Damaging Winds in Pennsylvania, December 23, 1990

Name: Damaging Winds in Pennsylvania, December 23, 1990
Start: 1990-12-23T04:15
End: 1990-12-23T05:50
Location: Pennsylvania

December 23, 1990 · NWS PIT · 10 events in 6 counties and zones

10 thunderstorm wind, 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 10

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

10 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Beaver

When: December 23, 4:15 AM CST
Where: Beaver County
Coordinates: 40.670, -80.330

Thunderstorm Wind, Allegheny

When: December 23, 4:15 AM CST
Where: Allegheny County
Coordinates: 40.480, -79.730

Thunderstorm Wind, Armstrong

When: December 23, 4:30 AM CST
Where: Armstrong County
Coordinates: 40.820, -79.500

Thunderstorm Wind, Clarion

When: December 23, 4:40 AM CST
Where: Clarion County
Coordinates: 40.980, -79.600

Thunderstorm Wind, Allegheny

When: December 23, 4:45 AM CST
Where: Allegheny County
Coordinates: 40.330, -79.830

Thunderstorm Wind, Westmoreland

When: December 23, 5:10 AM CST
Where: Westmoreland County
Coordinates: 40.300, -79.720

Thunderstorm Wind, Westmoreland

When: December 23, 5:10 AM CST
Where: Westmoreland County
Coordinates: 40.180, -79.550

Thunderstorm Wind, Westmoreland

When: December 23, 5:25 AM CST
Where: Westmoreland County
Coordinates: 40.300, -79.220

Thunderstorm Wind, Westmoreland

When: December 23, 5:42 AM CST
Where: Westmoreland County
Coordinates: 40.300, -79.350

Thunderstorm Wind, Fayette

When: December 23, 5:50 AM CST
Where: Fayette County
Coordinates: 39.920, -79.630

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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Tornadoes in Ohio, December 23, 1990$500,000 · F1 · 2 events

Every storm in Pennsylvania in 1990 Every state in 1990 This day in weather history Warnings in Pennsylvania, December 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: 10117505, 10117506, 10117507, 10117508, 10117509, 10117510, 10117511, 10117512, 10117513, 10117514.