Thunderstorm Wind, Washington
- When
- November 20, 1:40 PM CST
- Where
- Washington County
- Coordinates
- 40.180, -80.250
Hail and Damaging Winds in Pennsylvania, November 20, 1988
24 thunderstorm wind, 3 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
- 27
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
24 thunderstorm wind, 3 hail. Local standard time, as filed.
Thunderstorm Wind, Allegheny
- When
- November 20, 1:50 PM CST
- Where
- Allegheny County
- Measured
- 50 kt (58 mph)
- Coordinates
- 40.480, -80.230
Hail, Butler
- When
- November 20, 2:00 PM CST
- Where
- Butler County
- Measured
- 0.75 in hail
- Coordinates
- 40.850, -79.880
Thunderstorm Wind, Beaver
- When
- November 20, 2:00 PM CST
- Where
- Beaver County
- Coordinates
- 40.780, -80.450
Thunderstorm Wind, Butler
- When
- November 20, 2:00 PM CST
- Where
- Butler County
- Coordinates
- 41.000, -79.720
Thunderstorm Wind, Greene
- When
- November 20, 2:00 PM CST
- Where
- Greene County
- Coordinates
- 39.900, -80.200
Thunderstorm Wind, Fayette
- When
- November 20, 2:03 PM CST
- Where
- Fayette County
- Coordinates
- 39.880, -79.880
Hail, Allegheny
- When
- November 20, 2:05 PM CST
- Where
- Allegheny County
- Measured
- 1.75 in hail
- Coordinates
- 40.550, -80.180
Thunderstorm Wind, Indiana
- When
- November 20, 2:10 PM CST
- Where
- Indiana County
- Coordinates
- 40.630, -79.150
Hail, Butler
- When
- November 20, 2:15 PM CST
- Where
- Butler County
- Measured
- 0.75 in hail
- Coordinates
- 40.850, -79.820
Thunderstorm Wind, Beaver
- When
- November 20, 2:15 PM CST
- Where
- Beaver County
- Measured
- 60 kt (69 mph)
- Coordinates
- 40.780, -80.450
Thunderstorm Wind, Beaver
- When
- November 20, 2:15 PM CST
- Where
- Beaver County
- Coordinates
- 40.870, -80.280
Thunderstorm Wind, Westmoreland
- When
- November 20, 2:15 PM CST
- Where
- Westmoreland County
- Coordinates
- 40.120, -79.780
Thunderstorm Wind, Fayette
- When
- November 20, 2:15 PM CST
- Where
- Fayette County
- Coordinates
- 40.050, -79.670
Thunderstorm Wind, Westmoreland
- When
- November 20, 2:19 PM CST
- Where
- Westmoreland County
- Measured
- 56 kt (64 mph)
- Coordinates
- 40.280, -79.400
Thunderstorm Wind, Westmoreland
- When
- November 20, 2:20 PM CST
- Where
- Westmoreland County
- Coordinates
- 40.300, -79.750
Thunderstorm Wind, Clarion
- When
- November 20, 2:30 PM CST
- Where
- Clarion County
- Coordinates
- 41.120, -79.530
Thunderstorm Wind, Jefferson
- When
- November 20, 2:30 PM CST
- Where
- Jefferson County
- Coordinates
- 41.000, -79.180
Thunderstorm Wind, Armstrong
- When
- November 20, 2:40 PM CST
- Where
- Armstrong County
- Coordinates
- 40.820, -79.500
Thunderstorm Wind, Jefferson
- When
- November 20, 2:45 PM CST
- Where
- Jefferson County
- Coordinates
- 41.030, -79.150
Thunderstorm Wind, Jefferson
- When
- November 20, 2:45 PM CST
- Where
- Jefferson County
- Coordinates
- 41.280, -79.120
Thunderstorm Wind, Clarion
- When
- November 20, 2:50 PM CST
- Where
- Clarion County
- Coordinates
- 41.200, -79.330
Thunderstorm Wind, Somerset
- When
- November 20, 3:00 PM CST
- Where
- Somerset County
- Coordinates
- 39.820, -79.030
Thunderstorm Wind, Somerset
- When
- November 20, 3:00 PM CST
- Where
- Somerset County
- Coordinates
- 40.020, -79.080
Thunderstorm Wind, Cambria
- When
- November 20, 3:00 PM CST
- Where
- Cambria County
- Measured
- 52 kt (60 mph)
- Coordinates
- 40.330, -78.920
Thunderstorm Wind, Cambria
- When
- November 20, 3:00 PM CST
- Where
- Cambria County
- Coordinates
- 40.520, -78.870
Thunderstorm Wind, Delaware
- When
- November 20, 6:00 PM CST
- Where
- Delaware County
- Coordinates
- 39.950, -75.450
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.
- 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 Damaging Winds in Alabama, November 20, 1988
- Hail and Damaging Winds in Ohio, November 20, 1988
- Damaging Winds in New York, November 20, 1988
- Damaging Winds in New Jersey, November 20, 1988
- Damaging Wind in Mississippi, November 20, 1988
- Damaging Wind in Florida, November 20, 1988
- Damaging Wind in Connecticut, November 20, 1988
More
Every storm in Pennsylvania in 1988Every state in 1988This day in weather historyWarnings in Pennsylvania, November 1988
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: 10118388, 10118389, 10118390, 10118391, 10118392, 10118393, 10118394, 10118395, 10118396, 10118397, 10118398, 10118399, 10118400, 10118401, 10118402, 10118403, 10118404, 10118405, 10118406, 10118407, 10118408, 10118409, 10118410, 10118411, 10118412, 10118413, 10118414.