Damage Survey PNS (Max: EF1) from KARX

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akr...@iastate.edu

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Apr 18, 2026, 3:44:09 PM (6 days ago) Apr 18
to nws-damage...@googlegroups.com

Text Permalink: IEM Website (202604181943-KARX-NOUS43-PNSARX)


Max EF Rating Below: (EF1)

Count by Rating:

EF-1 ⇒ 1


457 
NOUS43 KARX 181943
PNSARX
WIZ033-190745-

Public Information Statement
National Weather Service La Crosse WI
243 PM CDT Sat Apr 18 2026

...NWS Damage Survey for 04/17/26 Tornado Event...

.Blair WI Tornado...

Rating:                 EF1
Estimated Peak Wind:    110 mph
Path Length /statute/:  5.73 miles
Path Width /maximum/:   75 yards
Fatalities:             0
Injuries:               0

Start Date:             04/17/2026
Start Time:             04:08 PM CDT
Start Location:         3 W Blair / Trempealeau County / WI
Start Lat/Lon:          44.2947 / -91.2958

End Date:               04/17/2026
End Time:               04:17 PM CDT
End Location:           2 NE Blair / Trempealeau County / WI
End Lat/Lon:            44.3163 / -91.1849

Survey Summary:
The 6 mile EF1 tornado first touched down around 4:08 pm west-
northwest of Blair and tracked east affecting mainly rural areas.
The track was a few miles north of Blair with mainly tree damage
noted. The tornado ended just before the Trempealeau/Jackson
county line on Turri Coulee Road at 4:17 pm. Maximum winds were
estimated at around 110 mph.  

&&

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 event and publication in
NWS Storm Data.


$$
Kurz/Cecava/Baumgardt/Boyne

akr...@iastate.edu

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Apr 18, 2026, 4:18:49 PM (6 days ago) Apr 18
to nws-damage...@googlegroups.com

Text Permalink: IEM Website (202604182018-KARX-NOUS43-PNSARX)


Max EF Rating Below: (EF1)

Count by Rating:

EF-1 ⇒ 1


612 
NOUS43 KARX 182018
PNSARX
MNZ079-087-190830-

Public Information Statement
National Weather Service La Crosse WI
318 PM CDT Sat Apr 18 2026

...NWS Damage Survey for 04/17/26 Tornado Event - Update 5...

.Update...Tornado #5

.Potsdam MN...

Rating:                 EF1
Estimated Peak Wind:    100 mph
Path Length /statute/:  12.12 miles
Path Width /maximum/:   80 yards
Fatalities:             0
Injuries:               0

Start Date:             04/17/2026
Start Time:             02:30 PM CDT
Start Location:         4 NE Rochester / Olmsted County / MN
Start Lat/Lon:          44.0426 / -92.4102

End Date:               04/17/2026
End Time:               02:54 PM CDT
End Location:           4 NNW Elgin / Wabasha County / MN
End Lat/Lon:            44.1839 / -92.2681

Survey Summary:
The tornado began in a northeast suburb of Rochester at around
2:30 pm with just shingle damage to homes and traveled northeast 
into more rural areas. The first portion of the tornado was weak 
with mainly EF0 damage. On the second portion of the 12 mile track, 
the tornado intensified to produce approximately 100 mph winds with 
tree and farm outbuilding damage. The tornado finally lifted at 2:54 pm. 

&&

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 event and publication in
NWS Storm Data.


$$

akr...@iastate.edu

unread,
Apr 18, 2026, 5:44:19 PM (6 days ago) Apr 18
to nws-damage...@googlegroups.com

Text Permalink: IEM Website (202604182144-KARX-NOUS43-PNSARX)


Max EF Rating Below: (EF1)

Count by Rating:

EF-1 ⇒ 1


047 
NOUS43 KARX 182144
PNSARX
WIZ033-034-190945-

Public Information Statement
National Weather Service La Crosse WI
444 PM CDT Sat Apr 18 2026

...NWS Damage Survey for 04/17/26 Tornado Event - Update 6...

.Update...Tornado #6

.Requa WI...

Rating:                 EF1
Estimated Peak Wind:    100 mph
Path Length /statute/:  4.56 miles
Path Width /maximum/:   80 yards
Fatalities:             0
Injuries:               0

Start Date:             04/17/2026
Start Time:             04:19 PM CDT
Start Location:         3 SW Requa / Trempealeau County / WI
Start Lat/Lon:          44.5493 / -91.1703

End Date:               04/17/2026
End Time:               04:24 PM CDT
End Location:           2 ENE Requa / Jackson County / WI
End Lat/Lon:            44.587 / -91.0948

Survey Summary:
The EF1-rated tornado began near Interstate 94 where
County Road B nearly intersects about 3 miles southeast of Osseo
WI in Trempealeau county. The tornado continued into Jackson
county and affected rural areas causing tree damage, sometimes 
extensive acreage, before ending near the intersection
of Highway 10 and Moe Rd. The path was 5 miles with max wind
estimated at 100 mph.   

&&

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 event and publication in
NWS Storm Data.


$$
Kurz/Cecava/Baumgardt/Boyne

akr...@iastate.edu

unread,
Apr 19, 2026, 12:12:29 PM (5 days ago) Apr 19
to nws-damage...@googlegroups.com

Text Permalink: IEM Website (202604191612-KARX-NOUS43-PNSARX)


Max EF Rating Below: (EF1)

Count by Rating:

EF-1 ⇒ 1


587 
NOUS43 KARX 191612
PNSARX
MNZ087-200415-

Public Information Statement
National Weather Service La Crosse WI
1112 AM CDT Sun Apr 19 2026

...NWS Damage Survey for April 17 Tornado Event Update 10...

.South of Hatfield...

Rating:                 EF1
Estimated Peak Wind:    100 mph
Path Length /statute/:  4.02 miles
Path Width /maximum/:   100 yards
Fatalities:             0
Injuries:               0

Start Date:             04/17/2026
Start Time:             04:51 PM CDT
Start Location:         2 SW Hatfield / Jackson County / WI
Start Lat/Lon:          44.3922 / -90.762

End Date:               04/17/2026
End Time:               04:58 PM CDT
End Location:           2 SSE Lake Arbutus / Jackson County / WI
End Lat/Lon:            44.3957 / -90.681

Survey Summary:
This tornado developed southwest of Hatfield along the Black
River and churned eastward, causing extensive damage to trees as
it roughly paralleled Old Highway 54. Despite the extensive tree
damage, damage to buildings along the path was limited,
supporting an EF1 rating. The tornado ended around Campground
Road and the Canadian National railroad tracks southeast of
Hatfield.

&&

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 event and publication in
NWS Storm Data.


$$

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