Damage Survey PNS (Max: EF1) from KDVN

[akr...@iastate.edu]

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Text Permalink: IEM Website (202603112256-KDVN-NOUS43-PNSDVN)

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Max EF Rating Below: (EF1)

Count by Rating:

EF-1 ⇒ 2

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600 
NOUS43 KDVN 112256
PNSDVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-121100-

Public Information Statement
National Weather Service Quad Cities IA/IL
556 PM CDT Wed Mar 11 2026

...NWS Damage Survey for 3/10/26 Tornado Event...

.SW Donnellson Tornado...

Rating:                 EF1
Estimated Peak Wind:    100 mph
Path Length /statute/:  1.5 miles
Path Width /maximum/:   50 yards
Fatalities:             0
Injuries:               0

Start Date:             03/10/2026
Start Time:             09:05 PM CDT
Start Location:         3 E Shimek State Forest / Lee County / IA
Start Lat/Lon:          40.624 / -91.6272

End Date:               03/10/2026
End Time:               09:08 PM CDT
End Location:           2 SW Donnellson / Lee County / IA
End Lat/Lon:            40.6269 / -91.5991

Survey Summary:
An EF1 tornado with peak winds of 95 to 100 mph begun its
1.5 mile long path by downing some tree branches. The tornado
increased in strength causing damage to multiple farm 
outbuildings. The tornado continued east along 230th street, 
causing sporadic tree damage for around 1 mile.  The tornado then 
strengthened even more near 230th street and 160th avenue, where it 
destroyed two farm outbuildings and snapped numerous tree trunks.  
This is where the tornado was the strongest.  Shortly after 
crossing 160th street, the tornado weakened and eventually 
dissipated.

.Wilson Lake Park Tornado...

Rating:                 EF1
Estimated Peak Wind:    90 mph
Path Length /statute/:  2.1 miles
Path Width /maximum/:   50 yards
Fatalities:             0
Injuries:               0

Start Date:             03/10/2026
Start Time:             09:26 PM CDT
Start Location:         1 WSW Wilson Lake / Lee County / IA
Start Lat/Lon:          40.6405 / -91.5018

End Date:               03/10/2026
End Time:               09:31 PM CDT
End Location:           1 ENE Wilson Lake / Lee County / IA
End Lat/Lon:            40.6463 / -91.4626

Survey Summary:
An EF1 tornado with max winds near 90 mph begun its 2.1 mile long
path with damage to tree branches.  The tornado then caused
damage to some fascia on a house.  It then crossed into Wilson
Lake Park where additional trees were downed.  Some trees were
uprooted with a couple of trees having their trunks snapped.  Tree
damage became more sporadic as the tornado continued east leading
to minor tree damage through the remainder of its path.

&&

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]

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Text Permalink: IEM Website (202603122245-KDVN-NOUS43-PNSDVN)

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Max EF Rating Below: (EF1)

Count by Rating:

EF-1 ⇒ 3

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340 
NOUS43 KDVN 122245
PNSDVN
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-131045-

Public Information Statement
National Weather Service Quad Cities IA/IL
545 PM CDT Thu Mar 12 2026

...NWS Damage Survey for 3/10/26 Tornado Event...

.Update...
One additional EF1 tornado was determined in Lee County, IA west
of the town of Wever, about five miles north-northeast of Fort
Madison.


.SW Donnellson Tornado...

Rating:                 EF1
Estimated Peak Wind:    100 mph
Path Length /statute/:  1.5 miles
Path Width /maximum/:   50 yards
Fatalities:             0
Injuries:               0

Start Date:             03/10/2026
Start Time:             09:05 PM CDT
Start Location:         3 E Shimek State Forest / Lee County / IA
Start Lat/Lon:          40.624 / -91.6272

End Date:               03/10/2026
End Time:               09:08 PM CDT
End Location:           2 SW Donnellson / Lee County / IA
End Lat/Lon:            40.6269 / -91.5991

Survey Summary:
An EF1 tornado with peak winds of 95 to 100 mph begun its
1.5 mile long path by downing some tree branches. The tornado
increased in strength causing damage to multiple farm 
outbuildings. The tornado continued east along 230th street, 
causing sporadic tree damage for around 1 mile. The tornado then 
strengthened even more near 230th street and 160th avenue, where it 
destroyed two farm outbuildings and snapped numerous tree trunks.  
This is where the tornado was the strongest.  Shortly after 
crossing 160th street, the tornado weakened and eventually 
dissipated.


.Wilson Lake Park Tornado...

Rating:                 EF1
Estimated Peak Wind:    90 mph
Path Length /statute/:  2.1 miles
Path Width /maximum/:   50 yards
Fatalities:             0
Injuries:               0

Start Date:             03/10/2026
Start Time:             09:26 PM CDT
Start Location:         1 WSW Wilson Lake / Lee County / IA
Start Lat/Lon:          40.6405 / -91.5018

End Date:               03/10/2026
End Time:               09:31 PM CDT
End Location:           1 ENE Wilson Lake / Lee County / IA
End Lat/Lon:            40.6463 / -91.4626

Survey Summary:
An EF1 tornado with max winds near 90 mph begun its 2.1 mile long
path with damage to tree branches. The tornado then caused
damage to some fascia on a house. It then crossed into Wilson
Lake Park where additional trees were downed. Some trees were
uprooted with a couple of trees having their trunks snapped.  Tree
damage became more sporadic as the tornado continued east leading
to minor tree damage through the remainder of its path.

Note: In-between these first two tornadoes was determined to be 
isolated straight-line wind damage to outbuildings including one 
in Donnellson.


.Wever Area Tornado...

Rating:                 EF1
Estimated Peak Wind:    100 mph
Path Length /statute/:  1.2 miles
Path Width /maximum/:   50 yards
Fatalities:             0
Injuries:               0

Start Date:             03/10/2026
Start Time:             09:38 PM CDT
Start Location:         2 S Augusta / Lee County / IA
Start Lat/Lon:          40.7137 / -91.2866

End Date:               03/10/2026
End Time:               09:40 PM CDT
End Location:           2 W Wever / Lee County / IA
End Lat/Lon:            40.7183 / -91.2653

Survey Summary:
Large sections of shingles tore off a roof and the soffit 
blown in on two sides of the house. Minor roof damage at other
nearby residences too. About 10-15 snapped trees, with most 
snapped halfway up. There were also 5-8 trees that were 
uprooted. In addition, a power pole was snapped. Damage was
largely confined to along and just west of 330th Avenue.

Thank you to the Denmark Fire Department for their assistance
in this storm survey.

&&

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.

$$