Thunderstorm Wind in Jefferson County, Pennsylvania

Thunderstorm Wind in Jefferson County, Pennsylvania: 380 recorded events between 1955 and 2026. The strongest on record measured 70. That places the county #250 nationally and #24 statewide for this hazard.

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

The busiest decade for thunderstorm wind in Jefferson County is the 2010s, when 140 of the county's 380 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 Jefferson County archive, thunderstorm wind makes up 64.2% of all recorded severe weather across 7 hazard types. Nationally the county sits at #250 for this hazard and #24 within Pennsylvania, putting it in the 92.0 percentile of all U.S. counties.

Jul is the peak month for thunderstorm wind in Jefferson County with 99 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 79
• Flash Flood 54
• Flood 51

How many thunderstorm wind events are on record in Jefferson County, Pennsylvania?

380 thunderstorm wind events are recorded in Jefferson County between 1955 and 2026, causing 0 direct deaths.

What is the strongest thunderstorm wind recorded in Jefferson County?

The strongest thunderstorm wind on record in Jefferson County measured 70.

Where does the thunderstorm wind data for Jefferson 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.