Damage Survey PNS (Max: EF2) from KBIS
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akr...@iastate.edu
Sep 17, 2025, 10:06:06 PMSep 17
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EF-2 ⇒ 2
263 NOUS43 KBIS 180205 PNSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-181415- Public Information Statement National Weather Service Bismarck ND 905 PM CDT Wed Sep 17 2025 /805 PM MDT Wed Sep 17 2025/ ...First Preliminary NWS Damage Survey Report for the September 14th Tornado Event... On September 14th, 2025, an outbreak of tornadoes occurred during the afternoon and early evening hours. Currently at least 15 confirmed tornadoes are known from this event. NWS received reports of damage during the evening of September 14th in Emmons County and near Denhoff. A survey team was sent September 15th and found damage consistent with an EF1 rating near Mercer, EF1 and EF2 near Denhoff, and EF2 in Emmons County near Beaver Bay Recreation Area. Below are their results. Also included in this report are known tracks of other reported tornadoes. Of note, there were no injuries or fatalities reported during this event. NWS Bismarck would like to thank Sheridan County Emergency Management, Sheridan County Sheriff's Department, Emmons and Burleigh County Emergency Management, and all who sent us their reports. .Emmons County Tornado... Rating: EF2 Estimated Peak Wind: 120 mph Path Length /statute/: 6.25 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:08 PM CDT Start Location: 2 NNE Beaver Bay Recreation Area / Emmons County / ND Start Lat/Lon: 46.2739 / -100.5239 End Date: 09/14/2025 End Time: 02:24 PM CDT End Location: 3 SE Cannon Ball / Emmons County / ND End Lat/Lon: 46.3618 / -100.5306 Survey Summary: NWS Bismarck received report of a barn destroyed near the intersection of Highway 1804 and Highway 13, near Beaver Bay Recreation Area. A survey team was dispatched and found grass and crop damage on a road south of the farm property. This was the likely start of the tornado. The tornado then traveled northwest where it dented in the south facing side of a large, and mostly empty, grain bin. It then proceeded to destroy an 80 by 124 foot pole barn to the north. On this barn, a small wall where a side garage door remained standing. Inside the barn, farm equipment was damaged. The south facing door to this barn was resting on a combine tractor. Debris was scattered in all directions and several hundred feet away. Large pieces of wood boards from the destroyed building were embedded in the ground including part of a rafter. There was limited tree damage to the row of trees to the north of this property. Storm chasers noted this tornado progressed north before roping out. .Arena... Rating: Unknown Estimated Peak Wind: Unknown Path Length /statute/: 2.96 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:01 PM CDT Start Location: 1 NW Arena / Burleigh County / ND Start Lat/Lon: 47.1387 / -100.1763 End Date: 09/14/2025 End Time: 04:12 PM CDT End Location: 3 N Arena / Burleigh County / ND End Lat/Lon: 47.1798 / -100.1584 Survey Summary: Storm chasers report tornado near Arena. Towards the end of this track, storm chasers report multiple vortex tornado. No damage was reported. .Wilton... Rating: Unknown Estimated Peak Wind: Unknown Path Length /statute/: 5.35 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:09 PM CDT Start Location: 5 SE Wilton / Burleigh County / ND Start Lat/Lon: 47.1107 / -100.6898 End Date: 09/14/2025 End Time: 04:16 PM CDT End Location: 2 NE Wilton / McLean County / ND End Lat/Lon: 47.1749 / -100.7533 Survey Summary: Storm chaser reported seeing a tornado begin southeast of Wilton around 4:09 PM. NWS Storm survey team found a twisted piece of metal in a ditch east of Wilton. There was also flattened grass nearby this debris. In a field to the south of this debris was a potential tornado track, although it could not be confirmed as perhaps it could have been a drainage channel from heavy rains. Time of tornado near debris was estimated. .Denhoff... Rating: EF2 Estimated Peak Wind: 112 mph Path Length /statute/: 18.01 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:29 PM CDT Start Location: 11 NNE Wing / Burleigh County / ND Start Lat/Lon: 47.305 / -100.2281 End Date: 09/14/2025 End Time: 04:59 PM CDT End Location: 6 N Denhoff / Sheridan County / ND End Lat/Lon: 47.561 / -100.285 Survey Summary: NWS received damage reports near Denhoff. A survey team was sent to assess and here are their findings. At 4:29 PM CDT storm chasers reported a tornado starting about 12 miles south of Denhoff. When the tornado reached about 6 miles south of Denhoff, it destroyed a 30 by 60 foot pole barn. A nearby barn had two skylights torn off the roof. Another nearby building had some minor damage. At this same property, a double wide mobile home propped up on a basement had the roof completely torn off and blown to the west side of the home. The southeast corner of this mobile home was also missing a wall. A car parked some distance was picked up and set down near the mobile home. Debris was scattered everywhere at this property and there was substantial tree damage, mostly snapped branches. The tornado then continued north. About a mile south of Denhoff a single wide mobile home was flipped. There was also debris scattered up to a quarter mile away from this property. Noticeable tree damage as well. Some haybales also reported damaged. The tornado then continued west and north of Denhoff. Near a gravel pit there was more haybale and tree damage. Several other properties then experience damage from 2 to 5 miles north of Denhoff. There was haybale damage and hay embedded in a road sign's wood post north of Denhoff. Roof panels were missing from a farm outbuilding north of this road sign. North of this, another property had missing skylights on a farm building, damage to a small grain bin, and a kid's wooden play area destroyed. Multiple areas of tree damage were also seen north of Denhoff by NWS Survey Team. The tornado was then estimated to end 5 to 6 miles north of Denhoff. No injuries reported. Of note, chasers and those NWS Survey Team talked to mentioned multiple times of a second tornado near the main one. It was reported this tornado at one point crossed a lake and pulled up water. NWS will look into confirming this tornado and its path. .Mercer... Rating: EF1 Estimated Peak Wind: 110 mph Path Length /statute/: 13.03 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:53 PM CDT Start Location: 3 SE Mercer / Sheridan County / ND Start Lat/Lon: 47.4607 / -100.6653 End Date: 09/14/2025 End Time: 05:31 PM CDT End Location: 8 N Mercer / McLean County / ND End Lat/Lon: 47.6133 / -100.7165 Survey Summary: Storm chaser shared video of a tornado touching down southeast of Mercer. This was likely the start of a damaging tornado. From here the tornado moved towards the city of Mercer. NWS Survey Team found damage at a farm just west of Mercer. Occupants were home at the time, and noted a lack of a loud roar like in a previously experienced tornado. The tornado damaged a high number of trees on the property with many branches and trees snapped, and a large tree uprooted. From there the tornado partially destroyed a pole barn building. The south facing half of building was missing, with the rafters of this half also ripped off. Debris was scattered all over and up to a quarter mile away. Large pieces of wood were embedded in the ground in the debris field. On the southeast side of the building, several large support beams buried about 5 deep were pulled out. From there the tornado crossed Highway 200, damaging trees on the north side of the highway. It then proceeded north and destroyed an unanchored and unoccupied mobile home on wheels being stored about 6 miles north of Mercer. This same property had a security camera video of the tornado. Radar may have also shown a debris signature at about the time of this damage. The tornado then ended shortly north of this mobile home damage as reported by storm chasers. .Butte... Rating: Unknown Estimated Peak Wind: Unknown Path Length /statute/: 7.02 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:59 PM CDT Start Location: 6 S Butte / McLean County / ND Start Lat/Lon: 47.751 / -100.68 End Date: 09/14/2025 End Time: 06:14 PM CDT End Location: 1 NNE Butte / McHenry County / ND End Lat/Lon: 47.8502 / -100.6596 Survey Summary: At around 5:59 PM CDT storm chasers reported a large wedge tornado beginning about 6 miles south of Butte. Storm chasers tracked this tornado to just west then north of Butte. At around 6:11 PM storm chasers stopped in Butte for gas and recorded the outer edge of the tornado moved over them. Some debris was seen blown in this video. No other damage was reported with this tornado. Tornado was reported to end north of Butte around 6:14 PM CDT. && EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.....65 to 85 mph EF1.....86 to 110 mph EF2.....111 to 135 mph EF3.....136 to 165 mph EF4.....166 to 200 mph EF5.....>200 mph NOTE: The information in this statement is preliminary and subject to change pending final review of the events and publication in NWS Storm Data. $$
akr...@iastate.edu
Sep 18, 2025, 9:39:46 PMSep 18
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EF-2 ⇒ 2
447 NOUS43 KBIS 190139 PNSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-191345- Public Information Statement National Weather Service Bismarck ND 839 PM CDT Thu Sep 18 2025 /739 PM MDT Thu Sep 18 2025/ ...NWS Damage Survey for September 14th 2025 Tornado Event Second Update... .Update...There are now a total of 12 tornado tracks with preliminary confirmation across central North Dakota for September 14th 2025. Below are all 12 of those tracks, including some surveyed by the National Weather Service in Bismarck. There remains high confidence in at least 15 tornadoes on September 14th 2025. Work continues to confirm the track of these and any other potential tornadoes on this date. .Overview...On September 14th, 2025, an outbreak of tornadoes occurred during the afternoon and early evening hours. Currently at least 15 confirmed tornadoes are known from this event. NWS received reports of damage during the evening of September 14th in Emmons County and near Denhoff. A survey team was sent September 15th and found damage consistent with an EF1 rating near Mercer, EF1 and EF2 near Denhoff, and EF2 in Emmons County near Beaver Bay Recreation Area. Below are their results. Also included in this report are known tracks of other reported tornadoes. Of note, there were no injuries or fatalities reported during this event. NWS Bismarck would like to thank Sheridan County Emergency Management, Sheridan County Sheriff's Department, Emmons and Burleigh County Emergency Management, and all who sent us their reports. .Menoken... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.19 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 10:27 AM CDT Start Location: 1 E Menoken / Burleigh County / ND Start Lat/Lon: 46.8181 / -100.5059 End Date: 09/14/2025 End Time: 10:27 AM CDT End Location: 1 E Menoken / Burleigh County / ND End Lat/Lon: 46.8209 / -100.506 Survey Summary: Storm chaser video of a brief tornado east of Menoken. .Baldwin... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 4.57 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 10:50 AM CDT Start Location: 8 SE Baldwin / Burleigh County / ND Start Lat/Lon: 46.9608 / -100.5956 End Date: 09/14/2025 End Time: 10:58 AM CDT End Location: 6 E Baldwin / Burleigh County / ND End Lat/Lon: 47.0246 / -100.6185 Survey Summary: Storm chaser confirmed tornado correlates with strong radar signature. End time is estimated, as tornado was somewhat rain wrapped and hard to see. Minor tree damage mentioned on storm chaser footage but no confirmation of that at this time. .NW Wing... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.79 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 11:08 AM CDT Start Location: 3 NW Wing / Burleigh County / ND Start Lat/Lon: 47.1707 / -100.3401 End Date: 09/14/2025 End Time: 11:15 AM CDT End Location: 6 NW Wing / Burleigh County / ND End Lat/Lon: 47.2066 / -100.3671 Survey Summary: Videos from storm chasers and locals show a tornado that developed northwest of Wing near Haystack Butte. Path is estimated and tornado was likely intermittent along the path. .Denhoff Satellite #1... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.60 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 11:29 AM CDT Start Location: 10 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.3291 / -100.2599 End Date: 09/14/2025 End Time: 11:38 AM CDT End Location: 6 S Denhoff / Sheridan County / ND End Lat/Lon: 47.3811 / -100.2553 Survey Summary: Intermittent rope tornado to the south of the Denhoff multivortex tornado that has a preliminary rating of EF-2. Time, duration, and estimated location from storm chaser footage. Some comments from footage on corn crops damaged but have no other confirmation. At one point in lifespan did pass over water source and ingested water into funnel. .Denhoff Satellite #2... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.97 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 11:42 AM CDT Start Location: 2 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.4482 / -100.2616 End Date: 09/14/2025 End Time: 11:44 AM CDT End Location: 1 S Denhoff / Sheridan County / ND End Lat/Lon: 47.4623 / -100.2599 Survey Summary: Short-lived satellite tornado north of the multivortex Denhoff tornado that has a preliminary EF-2 rating. Time, duration, and location are based off of storm chaser footage. .Emmons County Tornado... Rating: EF2 Estimated Peak Wind: 120 mph Path Length /statute/: 6.25 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:08 PM CDT Start Location: 2 NNE Beaver Bay Recreation Area / Emmons County / ND Start Lat/Lon: 46.2739 / -100.5239 End Date: 09/14/2025 End Time: 02:24 PM CDT End Location: 3 SE Cannon Ball / Emmons County / ND End Lat/Lon: 46.3618 / -100.5306 Survey Summary: NWS Bismarck received report of a barn destroyed near the intersection of Highway 1804 and Highway 13, near Beaver Bay Recreation Area. A survey team was dispatched and found grass and crop damage on a road south of the farm property. This was the likely start of the tornado. The tornado then traveled northwest where it dented in the south facing side of a large, and mostly empty, grain bin. It then proceeded to destroy an 80 by 124 foot pole barn to the north. On this barn, a small wall where a side garage door remained standing. Inside the barn, farm equipment was damaged. The south facing door to this barn was resting on a combine tractor. Debris was scattered in all directions and several hundred feet away. Large pieces of wood boards from the destroyed building were embedded in the ground including part of a rafter. There was limited tree damage to the row of trees to the north of this property. Storm chasers noted this tornado progressed north before roping out. .Granville... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.17 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:20 PM CDT Start Location: 1 S Granville / McHenry County / ND Start Lat/Lon: 48.249 / -100.8395 End Date: 09/14/2025 End Time: 02:20 PM CDT End Location: 1 S Granville / McHenry County / ND End Lat/Lon: 48.2515 / -100.8403 Survey Summary: Trained weather spotter reported brief tornado just south of Granville. .Arena... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.96 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:01 PM CDT Start Location: 1 NW Arena / Burleigh County / ND Start Lat/Lon: 47.1387 / -100.1763 End Date: 09/14/2025 End Time: 04:12 PM CDT End Location: 3 N Arena / Burleigh County / ND End Lat/Lon: 47.1798 / -100.1584 Survey Summary: Storm chasers report tornado near Arena. Towards the end of this track, storm chasers report multiple vortex tornado. No damage was reported. .Wilton... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 5.35 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:09 PM CDT Start Location: 5 SE Wilton / Burleigh County / ND Start Lat/Lon: 47.1107 / -100.6898 End Date: 09/14/2025 End Time: 04:16 PM CDT End Location: 2 NE Wilton / McLean County / ND End Lat/Lon: 47.1749 / -100.7533 Survey Summary: Storm chaser reported seeing a tornado begin southeast of Wilton around 4:09 PM. NWS Storm survey team found a twisted piece of metal in a ditch east of Wilton. There was also flattened grass nearby this debris. In a field to the south of this debris was a potential tornado track, although it could not be confirmed as perhaps it could have been a drainage channel from heavy rains. Time of tornado near debris was estimated. .Denhoff... Rating: EF2 Estimated Peak Wind: 112 mph Path Length /statute/: 18.01 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:29 PM CDT Start Location: 11 NNE Wing / Burleigh County / ND Start Lat/Lon: 47.305 / -100.2281 End Date: 09/14/2025 End Time: 04:59 PM CDT End Location: 6 N Denhoff / Sheridan County / ND End Lat/Lon: 47.561 / -100.285 Survey Summary: NWS received damage reports near Denhoff. A survey team was sent to assess and here are their findings. At 4:29 PM CDT storm chasers reported a tornado starting about 12 miles south of Denhoff. When the tornado reached about 6 miles south of Denhoff, it destroyed a 30 by 60 foot pole barn. A nearby barn had two skylights torn off the roof. Another nearby building had some minor damage. At this same property, a double wide mobile home propped up on a basement had the roof completely torn off and blown to the west side of the home. The southeast corner of this mobile home was also missing a wall. A car parked some distance was picked up and set down near the mobile home. Debris was scattered everywhere at this property and there was substantial tree damage, mostly snapped branches. The tornado then continued north. About a mile south of Denhoff a single wide mobile home was flipped. There was also debris scattered up to a quarter mile away from this property. Noticeable tree damage as well. Some haybales also reported damaged. The tornado then continued west and north of Denhoff. Near a gravel pit there was more haybale and tree damage. Several other properties then experience damage from 2 to 5 miles north of Denhoff. There was haybale damage and hay embedded in a road sign's wood post north of Denhoff. Roof panels were missing from a farm outbuilding north of this road sign. North of this, another property had missing skylights on a farm building, damage to a small grain bin, and a kid's wooden play area destroyed. Multiple areas of tree damage were also seen north of Denhoff by NWS Survey Team. The tornado was then estimated to end 5 to 6 miles north of Denhoff. No injuries reported. .Mercer... Rating: EF1 Estimated Peak Wind: 110 mph Path Length /statute/: 13.03 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:53 PM CDT Start Location: 3 SE Mercer / Sheridan County / ND Start Lat/Lon: 47.4607 / -100.6653 End Date: 09/14/2025 End Time: 05:31 PM CDT End Location: 8 N Mercer / McLean County / ND End Lat/Lon: 47.6133 / -100.7165 Survey Summary: Storm chaser shared video of a tornado touching down southeast of Mercer. This was likely the start of a damaging tornado. From here the tornado moved towards the city of Mercer. NWS Survey Team found damage at a farm just west of Mercer. Occupants were home at the time, and noted a lack of a loud roar like in a previously experienced tornado. The tornado damaged a high number of trees on the property with many branches and trees snapped, and a large tree uprooted. From there the tornado partially destroyed a pole barn building. The south facing half of building was missing, with the rafters of this half also ripped off. Debris was scattered all over and up to a quarter mile away. Large pieces of wood were embedded in the ground in the debris field. On the southeast side of the building, several large support beams buried about 5 deep were pulled out. From there the tornado crossed Highway 200, damaging trees on the north side of the highway. It then proceeded north and destroyed an unanchored and unoccupied mobile home on wheels being stored about 6 miles north of Mercer. This same property had a security camera video of the tornado. Radar may have also shown a debris signature at about the time of this damage. The tornado then ended shortly north of this mobile home damage as reported by storm chasers. .Butte... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 7.02 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:59 PM CDT Start Location: 6 S Butte / McLean County / ND Start Lat/Lon: 47.751 / -100.68 End Date: 09/14/2025 End Time: 06:14 PM CDT End Location: 1 NNE Butte / McHenry County / ND End Lat/Lon: 47.8502 / -100.6596 Survey Summary: At around 5:59 PM CDT storm chasers reported a large wedge tornado beginning several miles south of Butte. Storm chasers tracked this tornado north to just west then north of Butte. At around 6:11 PM storm chasers stopped in Butte for gas and recorded the outer edge of the tornado moved over them. Some debris was seen blown in this video. No other damage was reported with this tornado. Tornado was reported to end north of Butte around 6:14 PM CDT. && EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.....65 to 85 mph EF1.....86 to 110 mph EF2.....111 to 135 mph EF3.....136 to 165 mph EF4.....166 to 200 mph EF5.....>200 mph NOTE: The information in this statement is preliminary and subject to change pending final review of the events and publication in NWS Storm Data. $$
akr...@iastate.edu
Sep 18, 2025, 10:26:35 PMSep 18
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Text Permalink: IEM Website (202509190226-KBIS-NOUS43-PNSBIS)
Max EF Rating Below: (EF2)
Count by Rating:
EF-1 ⇒ 1
EF-2 ⇒ 2
357 NOUS43 KBIS 190226 PNSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-191430- Public Information Statement National Weather Service Bismarck ND 926 PM CDT Thu Sep 18 2025 /826 PM MDT Thu Sep 18 2025/ ...NWS Damage Survey for September 14th 2025 Tornado Event Third Update with corrected times for some tornadoes... .Update...This update is to correct times from previous update. Otherwise all information remains the same. There are now a total of 12 tornado tracks with preliminary confirmation across central North Dakota for September 14th 2025. Below are all 12 of those tracks, including some surveyed by the National Weather Service in Bismarck. There remains high confidence in at least 15 tornadoes on September 14th 2025. Work continues to confirm the track of these and any other potential tornadoes on this date. .Overview...On September 14th, 2025, an outbreak of tornadoes occurred during the afternoon and early evening hours. Currently at least 15 confirmed tornadoes are known from this event. NWS received reports of damage during the evening of September 14th in Emmons County and near Denhoff. A survey team was sent September 15th and found damage consistent with an EF1 rating near Mercer, EF1 and EF2 near Denhoff, and EF2 in Emmons County near Beaver Bay Recreation Area. Below are their results. Also included in this report are known tracks of other reported tornadoes. Of note, there were no injuries or fatalities reported during this event. NWS Bismarck would like to thank Sheridan County Emergency Management, Sheridan County Sheriff's Department, Emmons and Burleigh County Emergency Management, and all who sent us their reports. .Menoken... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.19 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 3:27 PM CDT Start Location: 1 E Menoken / Burleigh County / ND Start Lat/Lon: 46.8181 / -100.5059 End Date: 09/14/2025 End Time: 3:27 PM CDT End Location: 1 E Menoken / Burleigh County / ND End Lat/Lon: 46.8209 / -100.506 Survey Summary: Storm chaser video of a brief tornado east of Menoken. .Baldwin... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 4.57 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 3:50 PM CDT Start Location: 8 SE Baldwin / Burleigh County / ND Start Lat/Lon: 46.9608 / -100.5956 End Date: 09/14/2025 End Time: 3:58 PM CDT End Location: 6 E Baldwin / Burleigh County / ND End Lat/Lon: 47.0246 / -100.6185 Survey Summary: Storm chaser confirmed tornado correlates with strong radar signature. End time is estimated, as tornado was somewhat rain wrapped and hard to see. Minor tree damage mentioned on storm chaser footage but no confirmation of that at this time. .NW Wing... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.79 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 4:08 PM CDT Start Location: 3 NW Wing / Burleigh County / ND Start Lat/Lon: 47.1707 / -100.3401 End Date: 09/14/2025 End Time: 4:15 PM CDT End Location: 6 NW Wing / Burleigh County / ND End Lat/Lon: 47.2066 / -100.3671 Survey Summary: Videos from storm chasers and locals show a tornado that developed northwest of Wing near Haystack Butte. Path is estimated and tornado was likely intermittent along the path. .Denhoff Satellite #1... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.60 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 4:29 PM CDT Start Location: 10 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.3291 / -100.2599 End Date: 09/14/2025 End Time: 4:38 PM CDT End Location: 6 S Denhoff / Sheridan County / ND End Lat/Lon: 47.3811 / -100.2553 Survey Summary: Intermittent rope tornado to the south of the Denhoff multivortex tornado that has a preliminary rating of EF-2. Time, duration, and estimated location from storm chaser footage. Some comments from footage on corn crops damaged but have no other confirmation. At one point in lifespan did pass over water source and ingested water into funnel. .Denhoff Satellite #2... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.97 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 4:42 PM CDT Start Location: 2 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.4482 / -100.2616 End Date: 09/14/2025 End Time: 4:44 PM CDT End Location: 1 S Denhoff / Sheridan County / ND End Lat/Lon: 47.4623 / -100.2599 Survey Summary: Short-lived satellite tornado north of the multivortex Denhoff tornado that has a preliminary EF-2 rating. Time, duration, and location are based off of storm chaser footage. .Emmons County Tornado... Rating: EF2 Estimated Peak Wind: 120 mph Path Length /statute/: 6.25 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:08 PM CDT Start Location: 2 NNE Beaver Bay Recreation Area / Emmons County / ND Start Lat/Lon: 46.2739 / -100.5239 End Date: 09/14/2025 End Time: 02:24 PM CDT End Location: 3 SE Cannon Ball / Emmons County / ND End Lat/Lon: 46.3618 / -100.5306 Survey Summary: NWS Bismarck received report of a barn destroyed near the intersection of Highway 1804 and Highway 13, near Beaver Bay Recreation Area. A survey team was dispatched and found grass and crop damage on a road south of the farm property. This was the likely start of the tornado. The tornado then traveled northwest where it dented in the south facing side of a large, and mostly empty, grain bin. It then proceeded to destroy an 80 by 124 foot pole barn to the north. On this barn, a small wall where a side garage door remained standing. Inside the barn, farm equipment was damaged. The south facing door to this barn was resting on a combine tractor. Debris was scattered in all directions and several hundred feet away. Large pieces of wood boards from the destroyed building were embedded in the ground including part of a rafter. There was limited tree damage to the row of trees to the north of this property. Storm chasers noted this tornado progressed north before roping out. .Granville... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.17 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 7:20 PM CDT Start Location: 1 S Granville / McHenry County / ND Start Lat/Lon: 48.249 / -100.8395 End Date: 09/14/2025 End Time: 7:20 PM CDT End Location: 1 S Granville / McHenry County / ND End Lat/Lon: 48.2515 / -100.8403 Survey Summary: Trained weather spotter reported brief tornado just south of Granville. .Arena... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.96 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:01 PM CDT Start Location: 1 NW Arena / Burleigh County / ND Start Lat/Lon: 47.1387 / -100.1763 End Date: 09/14/2025 End Time: 04:12 PM CDT End Location: 3 N Arena / Burleigh County / ND End Lat/Lon: 47.1798 / -100.1584 Survey Summary: Storm chasers report tornado near Arena. Towards the end of this track, storm chasers report multiple vortex tornado. No damage was reported. .Wilton... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 5.35 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:09 PM CDT Start Location: 5 SE Wilton / Burleigh County / ND Start Lat/Lon: 47.1107 / -100.6898 End Date: 09/14/2025 End Time: 04:16 PM CDT End Location: 2 NE Wilton / McLean County / ND End Lat/Lon: 47.1749 / -100.7533 Survey Summary: Storm chaser reported seeing a tornado begin southeast of Wilton around 4:09 PM. NWS Storm survey team found a twisted piece of metal in a ditch east of Wilton. There was also flattened grass nearby this debris. In a field to the south of this debris was a potential tornado track, although it could not be confirmed as perhaps it could have been a drainage channel from heavy rains. Time of tornado near debris was estimated. .Denhoff... Rating: EF2 Estimated Peak Wind: 112 mph Path Length /statute/: 18.01 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:29 PM CDT Start Location: 11 NNE Wing / Burleigh County / ND Start Lat/Lon: 47.305 / -100.2281 End Date: 09/14/2025 End Time: 04:59 PM CDT End Location: 6 N Denhoff / Sheridan County / ND End Lat/Lon: 47.561 / -100.285 Survey Summary: NWS received damage reports near Denhoff. A survey team was sent to assess and here are their findings. At 4:29 PM CDT storm chasers reported a tornado starting about 12 miles south of Denhoff. When the tornado reached about 6 miles south of Denhoff, it destroyed a 30 by 60 foot pole barn. A nearby barn had two skylights torn off the roof. Another nearby building had some minor damage. At this same property, a double wide mobile home propped up on a basement had the roof completely torn off and blown to the west side of the home. The southeast corner of this mobile home was also missing a wall. A car parked some distance was picked up and set down near the mobile home. Debris was scattered everywhere at this property and there was substantial tree damage, mostly snapped branches. The tornado then continued north. About a mile south of Denhoff a single wide mobile home was flipped. There was also debris scattered up to a quarter mile away from this property. Noticeable tree damage as well. Some haybales also reported damaged. The tornado then continued west and north of Denhoff. Near a gravel pit there was more haybale and tree damage. Several other properties then experience damage from 2 to 5 miles north of Denhoff. There was haybale damage and hay embedded in a road sign's wood post north of Denhoff. Roof panels were missing from a farm outbuilding north of this road sign. North of this, another property had missing skylights on a farm building, damage to a small grain bin, and a kid's wooden play area destroyed. Multiple areas of tree damage were also seen north of Denhoff by NWS Survey Team. The tornado was then estimated to end 5 to 6 miles north of Denhoff. No injuries reported. .Mercer... Rating: EF1 Estimated Peak Wind: 110 mph Path Length /statute/: 13.03 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:53 PM CDT Start Location: 3 SE Mercer / Sheridan County / ND Start Lat/Lon: 47.4607 / -100.6653 End Date: 09/14/2025 End Time: 05:31 PM CDT End Location: 8 N Mercer / McLean County / ND End Lat/Lon: 47.6133 / -100.7165 Survey Summary: Storm chaser shared video of a tornado touching down southeast of Mercer. This was likely the start of a damaging tornado. From here the tornado moved towards the city of Mercer. NWS Survey Team found damage at a farm just west of Mercer. Occupants were home at the time, and noted a lack of a loud roar like in a previously experienced tornado. The tornado damaged a high number of trees on the property with many branches and trees snapped, and a large tree uprooted. From there the tornado partially destroyed a pole barn building. The south facing half of building was missing, with the rafters of this half also ripped off. Debris was scattered all over and up to a quarter mile away. Large pieces of wood were embedded in the ground in the debris field. On the southeast side of the building, several large support beams buried about 5 deep were pulled out. From there the tornado crossed Highway 200, damaging trees on the north side of the highway. It then proceeded north and destroyed an unanchored and unoccupied mobile home on wheels being stored about 6 miles north of Mercer. This same property had a security camera video of the tornado. Radar may have also shown a debris signature at about the time of this damage. The tornado then ended shortly north of this mobile home damage as reported by storm chasers. .Butte... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 7.02 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:59 PM CDT Start Location: 6 S Butte / McLean County / ND Start Lat/Lon: 47.751 / -100.68 End Date: 09/14/2025 End Time: 06:14 PM CDT End Location: 1 NNE Butte / McHenry County / ND End Lat/Lon: 47.8502 / -100.6596 Survey Summary: At around 5:59 PM CDT storm chasers reported a large wedge tornado beginning several miles south of Butte. Storm chasers tracked this tornado north to just west then north of Butte. At around 6:11 PM storm chasers stopped in Butte for gas and recorded the outer edge of the tornado moved over them. Some debris was seen blown in this video. No other damage was reported with this tornado. Tornado was reported to end north of Butte around 6:14 PM CDT. && EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.....65 to 85 mph EF1.....86 to 110 mph EF2.....111 to 135 mph EF3.....136 to 165 mph EF4.....166 to 200 mph EF5.....>200 mph NOTE: The information in this statement is preliminary and subject to change pending final review of the events and publication in NWS Storm Data. $$
akr...@iastate.edu
Sep 22, 2025, 10:44:24 PMSep 22
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790 NOUS43 KBIS 230244 PNSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-231445- Public Information Statement National Weather Service Bismarck ND 944 PM CDT Mon Sep 22 2025 /844 PM MDT Mon Sep 22 2025/ ...NWS Damage Survey for September 14th 2025 Tornado Event Fourth Update... .Update...There are now a total of 20 tornado tracks with preliminary confirmation across central North Dakota for September 14th 2025. Below are all 20 of those tracks, including some surveyed by the National Weather Service in Bismarck. This is anticipated to remain the total tornado count for the September 14th tornado outbreak event across central North Dakota. However, this data is preliminary and may change if additional tornado reports become available. .Overview...On September 14th, 2025, an outbreak of tornadoes occurred during the afternoon and early evening hours. Currently 20 confirmed tornadoes are known from this event. NWS received reports of damage during the evening of September 14th in Emmons County and near Denhoff. A survey team was sent on September 15th and found damage consistent with an EF1 rating near Mercer, EF1 and EF2 near Denhoff, and EF2 in Emmons County near Beaver Bay Recreation Area. Below are the damage survey results. Also included in this report are known tracks of other reported tornadoes. Of note, there were no injuries or fatalities reported during this event. NWS Bismarck would like to thank Sheridan County Emergency Management, Sheridan County Sheriff's Department, Emmons and Burleigh County Emergency Management, and all who sent us their reports. .Fort Yates... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.82 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 01:26 PM CDT Start Location: 5 SSE Cattail Recreation Area / Emmons County / ND Start Lat/Lon: 46.0313 / -100.5349 End Date: 09/14/2025 End Time: 01:30 PM CDT End Location: 3 SSE Cattail Recreation Area / Emmons County / ND End Lat/Lon: 46.0489 / -100.563 Survey Summary: Storm chaser reports tornado southeast of Fort Yates. Location estimated based on radar. No damage reported. .Emmons County Tornado...Surveyed by NWS Bismarck... Rating: EF2 Estimated Peak Wind: 120 mph Path Length /statute/: 6.25 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:08 PM CDT Start Location: 2 NNE Beaver Bay Recreation Area / Emmons County / ND Start Lat/Lon: 46.2739 / -100.5239 End Date: 09/14/2025 End Time: 02:24 PM CDT End Location: 3 SE Cannon Ball / Emmons County / ND End Lat/Lon: 46.3618 / -100.5306 Survey Summary: NWS Bismarck received report of a barn destroyed near the intersection of Highway 1804 and Highway 13, near Beaver Bay. A survey team was dispatched and found grass and crop damage on a road south of the farm property. This was the likely start of the tornado. The tornado then traveled northwest where it dented in the south facing side of a large, and mostly empty, grain bin. It then proceeded to destroy an 80 by 124 foot pole barn to the north. On this barn, a small wall where a side garage door remained standing. Inside the barn, farm equipment was damaged. The south facing door to this barn was resting on a combine tractor. Debris was scattered in all directions and several hundred feet away. Large pieces of board from the destroyed building were embedded in the ground including part of a rafter. There was limited tree damage to the row of trees to the north of this property. No one was home at the time, thus no injuries. Storm chasers noted this tornado progressed north before roping out. .Hazelton Recreation Area... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.29 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:58 PM CDT Start Location: 2 N Hazelton Recreation Area / Emmons County / ND Start Lat/Lon: 46.5553 / -100.5372 End Date: 09/14/2025 End Time: 03:01 PM CDT End Location: 5 ESE Huff / Emmons County / ND End Lat/Lon: 46.6028 / -100.5388 Survey Summary: Brief tornado occurred north of Hazelton Recreation Area. Storm chaser footage assisted with start and end time, and approximate location. No damage reported from this tornado. .Menoken... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.19 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 03:27 PM CDT Start Location: 1 E Menoken / Burleigh County / ND Start Lat/Lon: 46.8181 / -100.5059 End Date: 09/14/2025 End Time: 03:27 PM CDT End Location: 1 E Menoken / Burleigh County / ND End Lat/Lon: 46.8209 / -100.506 Survey Summary: Storm chaser video of a brief tornado east of Menoken. .North of Driscoll... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.91 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 03:40 PM CDT Start Location: 4 N Driscoll / Burleigh County / ND Start Lat/Lon: 46.9121 / -100.1322 End Date: 09/14/2025 End Time: 03:44 PM CDT End Location: 5 N Driscoll / Burleigh County / ND End Lat/Lon: 46.9252 / -100.1663 Survey Summary: Storm chaser reports and shared video of a tornado forming north of Driscoll and tracking north northwest. The tornado crosses 405th St NE just north of a farmstead. It then continues northward and likely crossed 110th Ave NE and diminishes near a body of water. Near the end of the tornado storm chaser reports crop damage, which was also reported by broadcast media. No other damage was reported with this tornado. .Baldwin... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 4.57 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 03:50 PM CDT Start Location: 8 SE Baldwin / Burleigh County / ND Start Lat/Lon: 46.9608 / -100.5956 End Date: 09/14/2025 End Time: 03:58 PM CDT End Location: 6 E Baldwin / Burleigh County / ND End Lat/Lon: 47.0246 / -100.6185 Survey Summary: Storm chaser confirmed tornado correlates with strong radar signature. End time is estimated, as tornado was somewhat rain wrapped and hard to see. Minor tree damage mentioned on storm chaser footage but no confirmation of that at this time. .Arena... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.96 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:01 PM CDT Start Location: 1 NW Arena / Burleigh County / ND Start Lat/Lon: 47.1387 / -100.1763 End Date: 09/14/2025 End Time: 04:12 PM CDT End Location: 3 N Arena / Burleigh County / ND End Lat/Lon: 47.1798 / -100.1584 Survey Summary: Storm chasers report tornado near Arena. Towards the end of this track, storm chasers report multiple vortex tornado. No damage was reported. .NW Wing... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.79 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:08 PM CDT Start Location: 3 NW Wing / Burleigh County / ND Start Lat/Lon: 47.1707 / -100.3401 End Date: 09/14/2025 End Time: 04:15 PM CDT End Location: 6 NW Wing / Burleigh County / ND End Lat/Lon: 47.2066 / -100.3671 Survey Summary: Videos from storm chasers and locals show a tornado that developed northwest of Wing near Haystack Butte. Path is estimated and tornado was likely intermittent along the path. .Wilton...Surveyed by NWS Bismarck... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 5.35 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:09 PM CDT Start Location: 5 SE Wilton / Burleigh County / ND Start Lat/Lon: 47.1107 / -100.6898 End Date: 09/14/2025 End Time: 04:16 PM CDT End Location: 2 NE Wilton / McLean County / ND End Lat/Lon: 47.1749 / -100.7533 Survey Summary: Storm chaser reported seeing a tornado begin southeast of Wilton around 4:09 PM. NWS Storm survey team found a twisted piece of metal in a ditch east of Wilton. There was also flattened grass nearby this debris. In a field to the south of this debris was a potential tornado track, although it could not be confirmed as perhaps it could have been a drainage channel from heavy rains. Time of tornado near debris was estimated. .Denhoff Satellite #1... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 5.24 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:29 PM CDT Start Location: 11 S Denhoff / Burleigh County / ND Start Lat/Lon: 47.3086 / -100.2303 End Date: 09/14/2025 End Time: 04:38 PM CDT End Location: 6 S Denhoff / Sheridan County / ND End Lat/Lon: 47.3811 / -100.2553 Survey Summary: Updated path as storm chaser reports intermittent rope tornado to the south of the Denhoff multivortex tornado that has a preliminary rating of EF-2. Time, duration, and estimated location from storm chaser footage. Some comments from footage on corn crops damaged but have no other confirmation. Footage also shows this tornado crossing Highway 14 from east to west then passing over a water source and ingesting water into funnel. .Denhoff...Surveyed by NWS Bismarck... Rating: EF2 Estimated Peak Wind: 112 mph Path Length /statute/: 12.98 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:31 PM CDT Start Location: 7 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.3763 / -100.2502 End Date: 09/14/2025 End Time: 04:59 PM CDT End Location: 6 N Denhoff / Sheridan County / ND End Lat/Lon: 47.561 / -100.285 Survey Summary: Updated path to start west of Highway 14 near the end of the first Denhoff satellite tornado. NWS received damage reports near Denhoff. A survey team was sent to assess and here are their findings. When the tornado reached about 6 miles south of Denhoff, it destroyed a 30 by 60 foot pole barn. A nearby barn had 2 skylights torn off the roof. Another nearby building had some minor damage. At this same property, a double wide mobile home propped up on a basement had the roof completely torn off and blown to the west side of the home. The southeast corner of this mobile home was also missing a wall. A car parked some distance was picked up and set down near the mobile home. Debris was scattered everywhere at this property and there was also a lot of tree damage, mostly snapped branches. The tornado then continued north. About a mile south of Denhoff a single wide mobile home was flipped. There was also debris scattered up to a quarter mile away near this property. Noticeable tree damage as well. Some haybales also reported damaged. The tornado then continued west and north of Denhoff. Near a gravel pit there was more haybale and tree damage. Several other properties then experience damage from 2 to 5 miles north of Denhoff. There was haybale damage and hay embedded in a road sign's wood post north of Denhoff. Roof panels were missing from a farm outbuilding north of this road sign. North of this, another property had missing skylights on a farm building, damage to a small grain bin, and a kids wooden play area destroyed. Multiple areas of tree damage were also seen north of Denhoff by NWS Survey Team. The tornado was then estimated to end 5 to 6 miles north of Denhoff. No injuries reported. .Denhoff Satellite #2... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.97 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:42 PM CDT Start Location: 2 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.4482 / -100.2616 End Date: 09/14/2025 End Time: 04:44 PM CDT End Location: 1 S Denhoff / Sheridan County / ND End Lat/Lon: 47.4623 / -100.2599 Survey Summary: Short-lived satellite tornado north of the multivortex Denhoff tornado that has a preliminary EF-2 rating. Time, duration, and location are based off of storm chaser footage. .SE Mercer... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.09 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:52 PM CDT Start Location: 5 SE Mercer / Sheridan County / ND Start Lat/Lon: 47.4363 / -100.6332 End Date: 09/14/2025 End Time: 04:56 PM CDT End Location: 2 SSE Mercer / McLean County / ND End Lat/Lon: 47.4598 / -100.6892 Survey Summary: Storm chaser reports and shared video of tornado briefly touching down southeast of Mercer. Reports and video showed tornado diminished before new longer tracked tornado began west of Mercer. No damage reported with this initial tornado. .Mercer...Surveyed by NWS Bismarck... Rating: EF1 Estimated Peak Wind: 110 mph Path Length /statute/: 9.22 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:00 PM CDT Start Location: 1 WSW Mercer / McLean County / ND Start Lat/Lon: 47.485 / -100.7383 End Date: 09/14/2025 End Time: 05:31 PM CDT End Location: 8 N Mercer / McLean County / ND End Lat/Lon: 47.6133 / -100.7165 Survey Summary: Updated path to have two tornadoes near Mercer. This longer lived tornado was responsible for damage near and north of Mercer. NWS Survey Team found damage at a farm just west of Mercer. Occupants were home at the time, and noted a lack of a loud roar like in a previous tornado. The tornado brought lots of tree damage to the property with many branches and trees snapped, and a large tree uprooted. From there the tornado partially destroyed a pole barn. Half of the rafters were ripped off. Debris was scattered all over and up to a quarter mile away. Large pieces of wood were embedded in the ground in the debris field. On the southeast side of the building, several large support beams buried about 5 deep were pulled out. From there the tornado crossed Highway 200, damaging trees on the north side of the highway. It then proceeded north and destroyed an unanchored and unoccupied mobile home on wheels being stored north of Mercer. This same property had a security camera video of the tornado. Radar may have shown a debris ball at about the time of this damage. The tornado then ended shortly north of this mobile home damage as reported by storm chasers. .SE Kief... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.21 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:25 PM CDT Start Location: 6 E Krueger Lake / Sheridan County / ND Start Lat/Lon: 47.7714 / -100.3719 End Date: 09/14/2025 End Time: 05:30 PM CDT End Location: 5 ENE Krueger Lake / Sheridan County / ND End Lat/Lon: 47.7855 / -100.3873 Survey Summary: Storm chaser reports new large multi vortex tornado 8 to 10 miles southeast of Kief. Reports tornado diminished a short time after 5:29 PM. No damage reported. Track estimated based on radar. .Butte... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 7.02 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:59 PM CDT Start Location: 6 S Butte / McLean County / ND Start Lat/Lon: 47.751 / -100.68 End Date: 09/14/2025 End Time: 06:14 PM CDT End Location: 1 NNE Butte / McHenry County / ND End Lat/Lon: 47.8502 / -100.6596 Survey Summary: At around 5:59 PM CDT storm chasers reported a large wedge tornado beginning several miles south of Butte. Storm chasers tracked this tornado north to just west then north of Butte. At around 6:11 PM storm chasers stopped in Butte for gas and recorded the outer edge of the tornado moved over them. Some debris was seen blown in this video. No other damage was reported with this tornado. Tornado was reported to end north of Butte around 6:14 PM CDT. .Balfour... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.08 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 06:26 PM CDT Start Location: 4 W Balfour / McHenry County / ND Start Lat/Lon: 47.9563 / -100.6232 End Date: 09/14/2025 End Time: 06:26 PM CDT End Location: 4 W Balfour / McHenry County / ND End Lat/Lon: 47.9574 / -100.6232 Survey Summary: Storm chaser video of brief tornado west of Balfour. No damage reported with this tornado. .Karlsruhe Tornado 1... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.62 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 06:45 PM CDT Start Location: 3 W Karlsruhe / McHenry County / ND Start Lat/Lon: 48.0895 / -100.6802 End Date: 09/14/2025 End Time: 06:54 PM CDT End Location: 5 NW Karlsruhe / McHenry County / ND End Lat/Lon: 48.1389 / -100.7021 Survey Summary: Storm chasers reported a tornado west of Karlsruhe. This tornado moved north northwest before lifting northwest of Karlsruhe. No damage was reported with this tornado, however, radar showed CC drop on a couple of scans. Track estimated based on reports and radar. .Karlsruhe Tornado 2... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.74 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 06:58 PM CDT Start Location: 7 E Simcoe / McHenry County / ND Start Lat/Lon: 48.1793 / -100.7103 End Date: 09/14/2025 End Time: 07:04 PM CDT End Location: 6 ENE Simcoe / McHenry County / ND End Lat/Lon: 48.1889 / -100.745 Survey Summary: Storm chasers report another brief tornado north of Karlsruhe. Radar showed a drop in CC at 6:59 PM CDT. No damage was reported. Tornado track estimated based on radar and storm chaser reports. .Granville... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.17 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 07:20 PM CDT Start Location: 1 S Granville / McHenry County / ND Start Lat/Lon: 48.249 / -100.8395 End Date: 09/14/2025 End Time: 07:20 PM CDT End Location: 1 S Granville / McHenry County / ND End Lat/Lon: 48.2515 / -100.8403 Survey Summary: Trained weather spotter reported brief tornado just south of Granville. && EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.....65 to 85 mph EF1.....86 to 110 mph EF2.....111 to 135 mph EF3.....136 to 165 mph EF4.....166 to 200 mph EF5.....>200 mph NOTE: The information in this statement is preliminary and subject to change pending final review of the events and publication in NWS Storm Data. $$
akr...@iastate.edu
Sep 26, 2025, 11:48:22 AMSep 26
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076 NOUS43 KBIS 261548 PNSBIS NDZ001>005-009>013-017>023-025-031>037-040>048-050-051-270400- Public Information Statement National Weather Service Bismarck ND 1048 AM CDT Fri Sep 26 2025 /948 AM MDT Fri Sep 26 2025/ ...NWS Damage Survey for September 14th 2025 Tornado Event Final Scheduled Update... Update...Below is the final scheduled update for the preliminary confirmed tornadoes from the September 14th 2025 tornado event. Although additional updates may be sent if new information becomes known, there are no more planned updates to this data. Users can find an event summary for this event at www.weather.gov/bis/severewx09142025. .Overview...On September 14th, 2025, an outbreak of tornadoes occurred during the afternoon and early evening hours. Preliminary data has confirmed 20 tornadoes from this event. NWS received reports of damage during the evening of September 14th in Emmons County and near Denhoff. A survey team was sent on September 15th and found damage consistent with an EF1 rating near Mercer, EF1 and EF2 near Denhoff, and EF2 in Emmons County near Beaver Bay Recreation Area. Additional damage was later reported near Menoken, which was given a preliminary rating of EF1. Below are the damage survey results. Also included in this report are known tracks of other reported tornadoes. Of note, there were no injuries or fatalities reported during this event. NWS Bismarck would like to thank Sheridan County Emergency Management, Sheridan County Sheriff's Department, Emmons and Burleigh County Emergency Management, and all who sent us their reports. .Fort Yates... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.82 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 01:26 PM CDT Start Location: 5 SSE Cattail Recreation Area / Emmons County / ND Start Lat/Lon: 46.0313 / -100.5349 End Date: 09/14/2025 End Time: 01:30 PM CDT End Location: 3 SSE Cattail Recreation Area / Emmons County / ND End Lat/Lon: 46.0489 / -100.563 Survey Summary: Storm chaser reports tornado southeast of Fort Yates. Location estimated based on radar. No damage reported. .Emmons County Tornado... Rating: EF2 Estimated Peak Wind: 120 mph Path Length /statute/: 6.25 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:08 PM CDT Start Location: 2 NNE Beaver Bay Recreation Area / Emmons County / ND Start Lat/Lon: 46.2739 / -100.5239 End Date: 09/14/2025 End Time: 02:24 PM CDT End Location: 3 SE Cannon Ball / Emmons County / ND End Lat/Lon: 46.3618 / -100.5306 Survey Summary: NWS Bismarck received report of a barn destroyed near the intersection of Highway 1804 and Highway 13, near Beaver Bay. A survey team was dispatched and found grass and crop damage on a road south of the farm property. This was the likely start of the tornado. The tornado then travelled north northeast where it dented in the south facing side of a large, and mostly empty, grain bin. It then proceeded to destroy an 80 by 124 foot pole barn to the north. On this barn, a small wall where a side garage door remained standing. Inside the barn, farm equipment was damaged. The south facing door to this barn was resting on a combine tractor. Debris was scattered in all directions and several hundred feet away. Large pieces of board from the destroyed building were embedded in the ground including part of a rafter. There was limited tree damage to the row of trees to the north of this property. No one was home at the time, and no injuries were reported. Storm chasers noted this tornado progressed north before roping out. High resolution satellite data also confirmed this northward progression. .Hazelton Recreation Area... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.29 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 02:58 PM CDT Start Location: 2 N Hazelton Recreation Area / Emmons County / ND Start Lat/Lon: 46.5553 / -100.5372 End Date: 09/14/2025 End Time: 03:01 PM CDT End Location: 5 ESE Huff / Emmons County / ND End Lat/Lon: 46.6028 / -100.5388 Survey Summary: Brief tornado occurred north of Hazelton Recreation Area. Storm chaser footage assisted with start and end time, and approximate location. No damage reported from this tornado. .Menoken... Rating: EF1 Estimated Peak Wind: 95 mph Path Length /statute/: 2.80 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 03:27 PM CDT Start Location: 1 E Menoken / Burleigh County / ND Start Lat/Lon: 46.8198 / -100.5008 End Date: 09/14/2025 End Time: 03:34 PM CDT End Location: 2 NNW Menoken / Burleigh County / ND End Lat/Lon: 46.8465 / -100.5443 Survey Summary: Storm chaser video confirmed tornado started approximately 2 miles east of Menoken. The tornado was probably intermittently on the ground, traveling northwest before coming to a farmstead just north of Interstate 94. This is where the most significant damage occurred, with the tin roof of an old pole barn ripped off and tossed into nearby trees. The damage to the pole barn was given an EF-1 damage rating. Various debris was scattered across the property, including a trampoline, and a larger barn door was dented. The tornado then progressed further to the northwest, crossing 158th Street Northeast and impacting another property. At this location, a single-wide trailer had shingle damage and a few 75 year old trees had either large branches down or were fully uprooted. Estimated max wind with this tornado was 95 mph. .North of Driscoll... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.91 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 03:40 PM CDT Start Location: 4 N Driscoll / Burleigh County / ND Start Lat/Lon: 46.9121 / -100.1322 End Date: 09/14/2025 End Time: 03:44 PM CDT End Location: 5 N Driscoll / Burleigh County / ND End Lat/Lon: 46.9252 / -100.1663 Survey Summary: Storm chaser reports and shared video of a tornado forming north or Driscoll then tracking north northwest. The tornado crosses 405th St NE just north of a farmstead. It then continues northward and likely crossed 110th Ave NE and diminishes near a body of water. Near the end of the tornado storm chaser reports crop damage, which was also reported by broadcast media. No other damage was reported with this tornado. .Baldwin... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 4.57 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 03:50 PM CDT Start Location: 8 SE Baldwin / Burleigh County / ND Start Lat/Lon: 46.9608 / -100.5956 End Date: 09/14/2025 End Time: 03:58 PM CDT End Location: 6 E Baldwin / Burleigh County / ND End Lat/Lon: 47.0246 / -100.6185 Survey Summary: Storm chaser confirmed tornado correlates with strong radar signature. End time is estimated, as tornado was somewhat rain wrapped and hard to see. Minor tree damage mentioned on storm chaser footage but no confirmation of that at this time. .Arena... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.96 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:01 PM CDT Start Location: 1 NW Arena / Burleigh County / ND Start Lat/Lon: 47.1387 / -100.1763 End Date: 09/14/2025 End Time: 04:12 PM CDT End Location: 3 N Arena / Burleigh County / ND End Lat/Lon: 47.1798 / -100.1584 Survey Summary: Storm chasers report tornado near Arena. Towards the end of this track, storm chasers report multiple vortex tornado. No damage was reported. .NW Wing... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 2.79 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:08 PM CDT Start Location: 3 NW Wing / Burleigh County / ND Start Lat/Lon: 47.1707 / -100.3401 End Date: 09/14/2025 End Time: 04:15 PM CDT End Location: 6 NW Wing / Burleigh County / ND End Lat/Lon: 47.2066 / -100.3671 Survey Summary: Videos from storm chasers and locals show a tornado that developed northwest of Wing near Haystack Butte. Path is estimated and tornado was likely intermittent along the path. .Wilton... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 5.35 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:09 PM CDT Start Location: 5 SE Wilton / Burleigh County / ND Start Lat/Lon: 47.1107 / -100.6898 End Date: 09/14/2025 End Time: 04:16 PM CDT End Location: 2 NE Wilton / McLean County / ND End Lat/Lon: 47.1749 / -100.7533 Survey Summary: Storm chaser reported seeing a tornado begin southeast of Wilton around 4:09 PM. NWS Storm survey team found a twisted piece of metal in a ditch east of Wilton. There was also flattened grass nearby this debris. In a field to the south of this debris was a potential tornado track, although it could not be confirmed as perhaps it could have been a drainage channel from heavy rains. Time of tornado near debris was estimated. .South Denhoff... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 5.24 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:29 PM CDT Start Location: 11 S Denhoff / Burleigh County / ND Start Lat/Lon: 47.3086 / -100.2303 End Date: 09/14/2025 End Time: 04:38 PM CDT End Location: 6 S Denhoff / Sheridan County / ND End Lat/Lon: 47.3811 / -100.2553 Survey Summary: Updated path as storm chaser reports intermittent rope tornado to the south of the Denhoff multivortex tornado that has a preliminary rating of EF-2. Time, duration, and estimated location from storm chaser footage. Some comments from footage on corn crops damaged but have no other confirmation. Footage also shows this tornado crossing Highway 14 from east to west then passing over a water source and ingesting water into funnel. .Denhoff... Rating: EF2 Estimated Peak Wind: 112 mph Path Length /statute/: 12.98 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:31 PM CDT Start Location: 7 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.3763 / -100.2502 End Date: 09/14/2025 End Time: 04:59 PM CDT End Location: 6 N Denhoff / Sheridan County / ND End Lat/Lon: 47.561 / -100.285 Survey Summary: Updated path to start west of Highway 14 near the end of the first Denhoff tornado. NWS received damage reports near Denhoff. A survey team was sent to assess and here are their findings. When the tornado reached about 6 miles south of Denhoff, it destroyed a 30 by 60 foot pole barn. A nearby barn had 2 skylights torn off the roof. Another nearby building had some minor damage. At this same property, a double wide mobile home propped up on a basement had the roof completely torn off and blown to the west side of the home. The southeast corner of this mobile home was also missing a wall. A car parked some distance was picked up and set down near the mobile home. Debris was scattered everywhere at this property and there was also a lot of tree damage, mostly snapped branches. The tornado then continued north. About a mile south of Denhoff a single wide mobile home was flipped. There was also debris scattered up to a quarter mile away near this property. Noticeable tree damage as well. Some haybales also reported damaged. The tornado then continued west and north of Denhoff. Near a gravel pit there was more haybale and tree damage. Several other properties then experience damage from 2 to 5 miles north of Denhoff. There was haybale damage and hay embedded in a road sign's wood post north of Denhoff. Roof panels were missing from a farm outbuilding north of this road sign. North of this, another property had missing skylights on a farm building, damage to a small grain bin, and a kids wooden play area destroyed. Multiple areas of tree damage were also seen north of Denhoff by NWS Survey Team. The tornado was then estimated to end 5 to 6 miles north of Denhoff. No injuries reported. Of note, chasers and those NWS Survey Team talked to mentioned multiple times of a second tornado near the main one. .Denhoff Satellite... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.97 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:42 PM CDT Start Location: 2 S Denhoff / Sheridan County / ND Start Lat/Lon: 47.4482 / -100.2616 End Date: 09/14/2025 End Time: 04:44 PM CDT End Location: 1 S Denhoff / Sheridan County / ND End Lat/Lon: 47.4623 / -100.2599 Survey Summary: Short-lived satellite tornado north of the multivortex Denhoff tornado that has a preliminary EF-2 rating. Time, duration, and location are based off of storm chaser footage. .SE of Mercer... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.09 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 04:52 PM CDT Start Location: 5 SE Mercer / Sheridan County / ND Start Lat/Lon: 47.4363 / -100.6332 End Date: 09/14/2025 End Time: 04:56 PM CDT End Location: 2 SSE Mercer / McLean County / ND End Lat/Lon: 47.4598 / -100.6892 Survey Summary: Storm chaser reports and shared video of tornado briefly touching down southeast of Mercer. Reports and video showed tornado diminished before new longer tracked tornado began west of Mercer. No damage reported with this initial tornado. .Mercer... Rating: EF1 Estimated Peak Wind: 110 mph Path Length /statute/: 9.22 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:00 PM CDT Start Location: 1 WSW Mercer / McLean County / ND Start Lat/Lon: 47.485 / -100.7383 End Date: 09/14/2025 End Time: 05:31 PM CDT End Location: 8 N Mercer / McLean County / ND End Lat/Lon: 47.6133 / -100.7165 Survey Summary: Updated path to have two tornadoes near Mercer. This longer lived tornado was responsible for damage near and north of Mercer. NWS Survey Team found damage at a farm just west of Mercer. Occupants were home at the time, and noted a lack of a loud roar like in a previous tornado. The tornado brought lots of tree damage to the property with many branches and trees snapped, and a large tree uprooted. From there the tornado partially destroyed a pole barn. Half of the rafters were ripped off. Debris was scattered all over and up to a quarter mile away. Large pieces of wood were embedded in the ground in the debris field. On the southeast side of the building, several large support beams buried about 5 deep were pulled out. From there the tornado crossed Highway 200, damaging trees on the north side of the highway. It then proceeded north and destroyed an unanchored and unoccupied mobile home on wheels being stored north of Mercer. This same property had a security camera video of the tornado. Radar may have shown a debris ball at about the time of this damage. The tornado then ended shortly north of this mobile home damage as reported by storm chasers. .SE of Kief... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.21 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:25 PM CDT Start Location: 6 E Krueger Lake / Sheridan County / ND Start Lat/Lon: 47.7714 / -100.3719 End Date: 09/14/2025 End Time: 05:30 PM CDT End Location: 5 ENE Krueger Lake / Sheridan County / ND End Lat/Lon: 47.7855 / -100.3873 Survey Summary: Storm chaser reports new large multi vortex tornado 8 to 10 miles southeast of Kief. Reports tornado diminished a short time after 5:29 PM. No damage reported. Track estimated based on radar. .Butte... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 7.02 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 05:59 PM CDT Start Location: 6 S Butte / McLean County / ND Start Lat/Lon: 47.751 / -100.68 End Date: 09/14/2025 End Time: 06:14 PM CDT End Location: 1 NNE Butte / McHenry County / ND End Lat/Lon: 47.8502 / -100.6596 Survey Summary: At around 5:59 PM CDT storm chasers reported a large wedge tornado beginning several miles south of Butte. Storm chasers tracked this tornado northward to just west then north of Butte. At around 6:11 PM storm chasers stopped in Butte for gas and recorded the outer edge of the tornado moved over them. Some debris was seen blown in this video. No other damage was reported with this tornado. Tornado was reported to end north of Butte around 6:14 PM CDT. .Balfour... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 7.41 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 06:26 PM CDT Start Location: 4 W Balfour / McHenry County / ND Start Lat/Lon: 47.9563 / -100.6232 End Date: 09/14/2025 End Time: 06:38 PM CDT End Location: 3 NNE Bergen / McHenry County / ND End Lat/Lon: 48.0479 / -100.6796 Survey Summary: Storm chasers report intermittent tornado touchdown from around Balfour to near Karlsruhe. Tornado became rain wrapped and hard to observe later on in the track. Radar data was used to estimate the end point of this tornado. No Damage was reported. .Karlsruhe Tornado 1... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 3.62 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 06:45 PM CDT Start Location: 3 W Karlsruhe / McHenry County / ND Start Lat/Lon: 48.0895 / -100.6802 End Date: 09/14/2025 End Time: 06:54 PM CDT End Location: 5 NW Karlsruhe / McHenry County / ND End Lat/Lon: 48.1389 / -100.7021 Survey Summary: Storm chasers reported a tornado west of Karlsruhe. This tornado moved north northwest before lifting northwest of Karlsruhe. No damage was reported with this tornado, however, radar showed CC drop on a couple of scans. Track estimated based on reports and radar. .Karlsruhe Tornado 2... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 1.74 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 06:58 PM CDT Start Location: 7 E Simcoe / McHenry County / ND Start Lat/Lon: 48.1793 / -100.7103 End Date: 09/14/2025 End Time: 07:04 PM CDT End Location: 6 ENE Simcoe / McHenry County / ND End Lat/Lon: 48.1889 / -100.745 Survey Summary: Storm chasers report another brief tornado north of Karlsruhe. Radar showed a drop in CC at 6:59 PM CDT. No damage was reported. Tornado track estimated based on radar and storm chaser reports. .Granville... Rating: EFU Estimated Peak Wind: Unknown Path Length /statute/: 0.17 miles Path Width /maximum/: Unknown Fatalities: 0 Injuries: 0 Start Date: 09/14/2025 Start Time: 07:20 PM CDT Start Location: 1 S Granville / McHenry County / ND Start Lat/Lon: 48.249 / -100.8395 End Date: 09/14/2025 End Time: 07:20 PM CDT End Location: 1 S Granville / McHenry County / ND End Lat/Lon: 48.2515 / -100.8403 Survey Summary: Trained weather spotter reported brief tornado just south of Granville. && EF Scale: The Enhanced Fujita Scale classifies tornadoes into the following categories: EF0.....65 to 85 mph EF1.....86 to 110 mph EF2.....111 to 135 mph EF3.....136 to 165 mph EF4.....166 to 200 mph EF5.....>200 mph NOTE: The information in this statement is preliminary and subject to change pending final review of the events and publication in NWS Storm Data. $$
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