Thunderstorm Wind in Clarke County, Iowa

Thunderstorm Wind in Clarke County, Iowa: 93 recorded events between 1959 and 2025. The strongest on record measured 75. That places the county #2,292 nationally and #88 statewide for this hazard.

Reporting practice changed over time — early decades are undercounted, not calmer.

The busiest decade for thunderstorm wind in Clarke County is the 2010s, when 30 of the county's 93 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 Clarke County archive, thunderstorm wind makes up 26.2% of all recorded severe weather across 8 hazard types. Nationally the county sits at #2,292 for this hazard and #88 within Iowa, putting it in the 27.1 percentile of all U.S. counties.

Jun is the peak month for thunderstorm wind in Clarke County with 31 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.

• Hail 125
• Heavy Rain 81

How many thunderstorm wind events are on record in Clarke County, Iowa?

93 thunderstorm wind events are recorded in Clarke County between 1959 and 2025, causing 0 direct deaths.

What is the strongest thunderstorm wind recorded in Clarke County?

The strongest thunderstorm wind on record in Clarke County measured 75.

Where does the thunderstorm wind data for Clarke 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.