Thunderstorm Wind, Erie
- When
- September 6, 1:30 PM CST
- Where
- Erie County
- Coordinates
- 41.900, -80.350
Tornadoes and Hail in Pennsylvania, September 6, 1990
16 thunderstorm wind, 4 tornado, 4 hail, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 24
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
Event by event
16 thunderstorm wind, 4 tornado, 4 hail. Local standard time, as filed.
Tornado, Butler
- When
- September 6, 3:10 PM CST
- Where
- Butler County
- Rating
- F1
- Path length
- 0.1 mi
- Path width
- 40 yd
- Coordinates
- 41.130, -80.020
Thunderstorm Wind, Butler
- When
- September 6, 3:10 PM CST
- Where
- Butler County
- Coordinates
- 40.850, -79.880
Thunderstorm Wind, Allegheny
- When
- September 6, 3:25 PM CST
- Where
- Allegheny County
- Coordinates
- 40.630, -80.050
Thunderstorm Wind, Beaver
- When
- September 6, 3:30 PM CST
- Where
- Beaver County
- Coordinates
- 40.600, -80.220
Thunderstorm Wind, Venango
- When
- September 6, 3:30 PM CST
- Where
- Venango County
- Coordinates
- 41.400, -79.850
Thunderstorm Wind, Allegheny
- When
- September 6, 3:30 PM CST
- Where
- Allegheny County
- Coordinates
- 40.380, -80.100
Thunderstorm Wind, Indiana
- When
- September 6, 4:00 PM CST
- Where
- Indiana County
- Coordinates
- 40.520, -79.320
Thunderstorm Wind, Westmoreland
- When
- September 6, 4:00 PM CST
- Where
- Westmoreland County
- Coordinates
- 40.380, -79.450
Thunderstorm Wind, Washington
- When
- September 6, 4:00 PM CST
- Where
- Washington County
- Coordinates
- 40.220, -80.200
Thunderstorm Wind, Allegheny
- When
- September 6, 4:10 PM CST
- Where
- Allegheny County
- Coordinates
- 40.630, -80.080
Thunderstorm Wind, Jefferson
- When
- September 6, 4:14 PM CST
- Where
- Jefferson County
- Coordinates
- 40.950, -78.970
Tornado, Westmoreland
- When
- September 6, 4:30 PM CST
- Where
- Westmoreland County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 40 yd
- Coordinates
- 40.430, -79.700
Tornado, Westmoreland
- When
- September 6, 4:40 PM CST
- Where
- Westmoreland County
- Rating
- F1
- Path length
- 0.2 mi
- Path width
- 40 yd
- Coordinates
- 40.370, -79.330
Tornado, Westmoreland
- When
- September 6, 5:00 PM CST
- Where
- Westmoreland County
- Rating
- F1
- Path length
- 0.1 mi
- Path width
- 40 yd
- Coordinates
- 40.430, -79.280
Thunderstorm Wind, Armstrong
- When
- September 6, 5:11 PM CST
- Where
- Armstrong County
- Coordinates
- 40.720, -79.620
Thunderstorm Wind, Greene
- When
- September 6, 5:15 PM CST
- Where
- Greene County
- Coordinates
- 39.920, -80.430
Thunderstorm Wind, Fayette
- When
- September 6, 5:20 PM CST
- Where
- Fayette County
- Coordinates
- 39.900, -79.720
Thunderstorm Wind, Westmoreland
- When
- September 6, 5:20 PM CST
- Where
- Westmoreland County
- Coordinates
- 40.380, -79.450
Thunderstorm Wind, Somerset
- When
- September 6, 5:30 PM CST
- Where
- Somerset County
- Coordinates
- 39.930, -79.200
Hail, Erie
- When
- September 6, 6:35 PM CST
- Where
- Erie County
- Measured
- 0.75 in hail
- Coordinates
- 42.030, -80.250
Hail, Erie
- When
- September 6, 6:50 PM CST
- Where
- Erie County
- Measured
- 0.75 in hail
- Coordinates
- 42.000, -80.250
Hail, Erie
- When
- September 6, 6:50 PM CST
- Where
- Erie County
- Measured
- 0.75 in hail
- Coordinates
- 42.120, -80.080
Hail, Crawford
- When
- September 6, 7:05 PM CST
- Where
- Crawford County
- Measured
- 0.75 in hail
- Coordinates
- 41.750, -80.370
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Tornado
- A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Tornado and Hail in Ohio, September 6, 1990
- Tornadoes and Hail in Michigan, September 6, 1990
- Hail and Damaging Winds in North Dakota, September 6, 1990
- Hail and Damaging Winds in West Virginia, September 6, 1990
- Damaging Wind in Wyoming, September 6, 1990
- Damaging Wind in Iowa, September 6, 1990
- Damaging Wind in Texas, September 6, 1990
More
Every storm in Pennsylvania in 1990Every state in 1990This day in weather historyThe tornado archive for Pennsylvania, 1990Warnings in Pennsylvania, September 1990
Sources
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 10118570, 10118571, 10118572, 10118573, 10118574, 10118575, 10118576, 10117241, 10117242, 10117243, 10117244, 10117245, 10117246, 10117247, 10117248, 10117249, 10117250, 10117251, 10117252, 10117253, 10117254, 10117255, 10117256, 10117466.