233
Recorded events
0
Direct deaths
6
Direct injuries
$3.3M
Property damage
Thunderstorm Wind in Warren County, Iowa: 233 recorded events between 1962 and 2025. The strongest on record measured 95. That places the county #788 nationally and #19 statewide for this hazard.
Decade by decade
Thunderstorm Wind in Warren County, Iowa: events per decade
Reporting practice changed over time — early decades are undercounted, not calmer.
The busiest decade for thunderstorm wind in Warren County is the 2000s, when 80 of the county's 233 recorded events were logged. Comparing decades is useful for spotting active periods, but the earliest years are thin because systematic reporting for this hazard began later.
Within the Warren County archive, thunderstorm wind makes up 26.4% of all recorded severe weather across 8 hazard types. Nationally the county sits at #788 for this hazard and #19 within Iowa, putting it in the 74.9 percentile of all U.S. counties.
Seasonality
Events by month
Jun is the peak month for thunderstorm wind in Warren County with 87 recorded events, while Jan is the quietest. Seasonality here is a property of the archive as much as the climate: reports cluster where population and spotter networks are densest.
Significant events
Deadliest on record
| Date | Location | Scale | Deaths | Injuries | Damage |
|---|---|---|---|---|---|
| Apr 11, 2001 | CARLISLE | 56 | 0 | 5 | $20K |
| Mar 9, 2002 | INDIANOLA | 65 | 0 | 1 | $100K |
Most recent
Latest recorded events
| Date | Location | Magnitude | Damage |
|---|---|---|---|
| Sep 17, 2025 | MILO | 50 | $0 |
| Mar 14, 2025 | CARLISLE | 56 | $0 |
| Mar 14, 2025 | ACKWORTH | 52 | $0 |
| Aug 1, 2024 | NORWALK | 50 | $0 |
| Jul 30, 2024 | NORWALK | 52 | $2K |
| May 24, 2024 | ACKWORTH | 60 | $0 |
| May 24, 2024 | MILO | 60 | $0 |
| May 24, 2024 | INDIANOLA | 60 | $0 |
| May 21, 2024 | CLARKSON | 61 | $75K |
| May 21, 2024 | SPRING HILL | 61 | $50K |
Other hazards here
More from Warren County
- Hail 338
- Heavy Rain 122
- Flood 79
- Tornado 48
From the record
What the reports say
Written by National Weather Service staff at the time of the event · public domain
Swath of winds downstream of a dissipating tornado. Worst damage was at the beginning, where an outbuilding was very heavily damaged and debris thrown east across a road. The damage intensity lessened and the path broadened within a few miles SE of the start point.
Trained spotter reported 3 foot wide, 40 to 50 foot tall maple trees down, partial roof missing on shed, windows blown out of outbuildings, and wood swing set flipped over about 1 mile south of Lake Ahquabi State Park. Time estimated from radar.
Quick answers
Frequently asked
How many thunderstorm wind events are on record in Warren County, Iowa?
233 thunderstorm wind events are recorded in Warren County between 1962 and 2025, causing 0 direct deaths.
What is the strongest thunderstorm wind recorded in Warren County?
The strongest thunderstorm wind on record in Warren County measured 95.
Where does the thunderstorm wind data for Warren County come from?
All events come from the NOAA/NCEI Storm Events Database, the federal public-domain archive of severe weather reports. Dates are UTC, damage is as reported and not inflation-adjusted, and the most recent entries may still be revised.
Cite this page
“Thunderstorm Wind in Warren County, Iowa.” Severe Weather History. severeweatherhistory.com/county/iowa/warren-county/thunderstorm-wind/ · Data: NOAA/NCEI, FEMA, U.S. Census — public domain.