Hail and Damaging Winds in Pennsylvania, July 7, 1991

Name: Hail and Damaging Winds in Pennsylvania, July 7, 1991
Start: 1991-07-07T00:00
End: 1991-07-07T23:50
Location: Pennsylvania

July 7, 1991 · NWS YNG · 74 events in 32 counties and zones

69 thunderstorm wind, 5 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

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 12
Property damage: None recorded
Crop damage: None recorded
Events: 74

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

69 thunderstorm wind, 5 hail. Local standard time, as filed.

Hail, Mercer

When: July 7, 12:00 AM CST
Where: Mercer County
Measured: 1 in hail
Coordinates: 41.480, -80.450

Thunderstorm Wind, Erie

When: July 7, 2:00 AM CST
Where: Erie County
Coordinates: 42.120, -80.080

Thunderstorm Wind, Erie

When: July 7, 2:15 AM CST
Where: Erie County
Coordinates: 42.020, -80.350

Thunderstorm Wind, Warren

When: July 7, 3:00 AM CST
Where: Warren County
Coordinates: 41.850, -79.330

Thunderstorm Wind, Erie

When: July 7, 3:15 AM CST
Where: Erie County
Coordinates: 42.120, -80.080

Thunderstorm Wind, Erie

When: July 7, 3:45 AM CST
Where: Erie County
Coordinates: 42.030, -79.980

Thunderstorm Wind, McKean

When: July 7, 4:00 AM CST
Where: McKean County
Coordinates: 41.970, -78.650

Thunderstorm Wind, Crawford

When: July 7, 4:05 AM CST
Where: Crawford County
Coordinates: 41.730, -80.150

Thunderstorm Wind, Erie

When: July 7, 4:15 AM CST
Where: Erie County
Coordinates: 42.000, -80.320

Thunderstorm Wind, Crawford

When: July 7, 5:30 AM CST
Where: Crawford County
Coordinates: 41.630, -80.150

Thunderstorm Wind, Crawford

When: July 7, 6:00 AM CST
Where: Crawford County
Coordinates: 41.630, -80.150

Thunderstorm Wind, Erie

When: July 7, 6:00 AM CST
Where: Erie County
Coordinates: 42.030, -80.250

Thunderstorm Wind, Lehigh

When: July 7, 8:53 AM CST
Where: Lehigh County
Coordinates: 40.620, -75.480

Thunderstorm Wind, Montgomery

When: July 7, 9:00 AM CST
Where: Montgomery County
Coordinates: 40.420, -75.500

Hail, Montgomery

When: July 7, 9:10 AM CST
Where: Montgomery County
Measured: 0.75 in hail
Coordinates: 40.180, -75.530

Thunderstorm Wind, Chester

When: July 7, 9:15 AM CST
Where: Chester County
Coordinates: 40.180, -75.730

Thunderstorm Wind, Indiana

When: July 7, 9:16 AM CST
Where: Indiana County
Coordinates: 40.730, -78.830

Thunderstorm Wind, Chester

When: July 7, 9:30 AM CST
Where: Chester County
Coordinates: 40.130, -75.570

Thunderstorm Wind, Chester

When: July 7, 9:30 AM CST
Where: Chester County
Coordinates: 40.130, -75.520

Thunderstorm Wind, Clearfield

When: July 7, 9:38 AM CST
Where: Clearfield County
Coordinates: 40.820, -78.780

Thunderstorm Wind, Blair

When: July 7, 9:43 AM CST
Where: Blair County
Coordinates: 40.450, -78.370

Thunderstorm Wind, Chester

When: July 7, 9:45 AM CST
Where: Chester County
Measured: 56 kt (64 mph)
Coordinates: 39.980, -75.620

Thunderstorm Wind, Chester

When: July 7, 9:48 AM CST
Where: Chester County
Measured: 52 kt (60 mph)
Coordinates: 39.780, -75.870

Thunderstorm Wind, Philadelphia

When: July 7, 9:50 AM CST
Where: Philadelphia County
Coordinates: 40.080, -75.220

Thunderstorm Wind, Chester

When: July 7, 9:54 AM CST
Where: Chester County
Measured: 69 kt (79 mph)
Coordinates: 40.050, -75.400

Thunderstorm Wind, Montgomery

When: July 7, 10:00 AM CST
Where: Montgomery County
Coordinates: 40.000, -75.300

Thunderstorm Wind, Delaware

When: July 7, 10:04 AM CST
Where: Delaware County
Measured: 52 kt (60 mph)
Coordinates: 40.050, -75.350

Thunderstorm Wind, Blair

When: July 7, 10:05 AM CST
Where: Blair County
Coordinates: 40.580, -78.400

Thunderstorm Wind, Philadelphia

When: July 7, 10:10 AM CST
Where: Philadelphia County
Injuries: 12 direct, 0 indirect
Coordinates: 40.000, -75.150

Thunderstorm Wind, Cambria

When: July 7, 10:12 AM CST
Where: Cambria County
Coordinates: 40.670, -78.780

Thunderstorm Wind, Cambria

When: July 7, 10:19 AM CST
Where: Cambria County
Coordinates: 40.480, -78.730

Thunderstorm Wind, Delaware

When: July 7, 10:25 AM CST
Where: Delaware County
Coordinates: 39.900, -75.370

Thunderstorm Wind, Franklin

When: July 7, 10:45 AM CST
Where: Franklin County
Measured: 61 kt (70 mph)
Coordinates: 39.930, -77.670

Thunderstorm Wind, Franklin

When: July 7, 11:00 AM CST
Where: Franklin County
Coordinates: 39.850, -77.570

Hail, Huntingdon

When: July 7, 11:07 AM CST
Where: Huntingdon County
Measured: 1 in hail
Coordinates: 40.300, -78.030

Thunderstorm Wind, Adams

When: July 7, 11:15 AM CST
Where: Adams County
Measured: 50 kt (58 mph)
Coordinates: 39.830, -77.230

Thunderstorm Wind, York

When: July 7, 11:50 AM CST
Where: York County
Measured: 65 kt (75 mph)
Coordinates: 39.770, -76.630

Thunderstorm Wind, Mercer

When: July 7, 12:30 PM CST
Where: Mercer County
Coordinates: 41.250, -80.500

Thunderstorm Wind, Fayette

When: July 7, 5:30 PM CST
Where: Fayette County
Coordinates: 39.870, -79.500

Thunderstorm Wind, Venango

When: July 7, 7:15 PM CST
Where: Venango County
Coordinates: 41.350, -79.720

Thunderstorm Wind, Mercer

When: July 7, 9:15 PM CST
Where: Mercer County
Coordinates: 41.420, -80.380

Thunderstorm Wind, Erie

When: July 7, 9:25 PM CST
Where: Erie County
Coordinates: 42.080, -80.180

Thunderstorm Wind, Erie

When: July 7, 9:25 PM CST
Where: Erie County
Coordinates: 41.900, -80.350

Thunderstorm Wind, Crawford

When: July 7, 9:30 PM CST
Where: Crawford County
Coordinates: 41.600, -80.300

Thunderstorm Wind, Warren

When: July 7, 9:40 PM CST
Where: Warren County
Coordinates: 41.870, -79.300

Thunderstorm Wind, Crawford

When: July 7, 9:50 PM CST
Where: Crawford County
Coordinates: 41.680, -79.880

Thunderstorm Wind, Butler

When: July 7, 9:50 PM CST
Where: Butler County
Coordinates: 40.930, -80.130

Thunderstorm Wind, Washington

When: July 7, 10:00 PM CST
Where: Washington County
Coordinates: 40.120, -80.420

Thunderstorm Wind, Crawford

When: July 7, 10:01 PM CST
Where: Crawford County
Coordinates: 41.630, -79.680

Thunderstorm Wind, Erie

When: July 7, 10:05 PM CST
Where: Erie County
Coordinates: 42.170, -80.100

Hail, Beaver

When: July 7, 10:07 PM CST
Where: Beaver County
Measured: 0.75 in hail
Coordinates: 40.620, -80.280

Hail, Venango

When: July 7, 10:10 PM CST
Where: Venango County
Measured: 0.75 in hail
Coordinates: 41.430, -79.720

Thunderstorm Wind, Butler

When: July 7, 10:15 PM CST
Where: Butler County
Coordinates: 40.720, -79.920

Thunderstorm Wind, Warren

When: July 7, 10:20 PM CST
Where: Warren County
Coordinates: 41.850, -79.150

Thunderstorm Wind, Forest

When: July 7, 10:30 PM CST
Where: Forest County
Coordinates: 41.450, -79.080

Thunderstorm Wind, Elk

When: July 7, 10:30 PM CST
Where: Elk County
Coordinates: 41.430, -78.750

Thunderstorm Wind, Allegheny

When: July 7, 10:35 PM CST
Where: Allegheny County
Coordinates: 40.480, -79.980

Thunderstorm Wind, Washington

When: July 7, 10:37 PM CST
Where: Washington County
Coordinates: 40.180, -80.250

Thunderstorm Wind, McKean

When: July 7, 10:40 PM CST
Where: McKean County
Coordinates: 41.670, -78.830

Thunderstorm Wind, Clarion

When: July 7, 10:45 PM CST
Where: Clarion County
Coordinates: 41.020, -79.280

Thunderstorm Wind, Beaver

When: July 7, 10:45 PM CST
Where: Beaver County
Coordinates: 40.670, -80.330

Thunderstorm Wind, Westmoreland

When: July 7, 10:45 PM CST
Where: Westmoreland County
Coordinates: 40.430, -79.700

Thunderstorm Wind, Allegheny

When: July 7, 10:56 PM CST
Where: Allegheny County
Coordinates: 40.630, -79.830

Thunderstorm Wind, Clarion

When: July 7, 11:00 PM CST
Where: Clarion County
Coordinates: 41.230, -79.550

Thunderstorm Wind, Fayette

When: July 7, 11:00 PM CST
Where: Fayette County
Coordinates: 40.130, -79.850

Thunderstorm Wind, Lawrence

When: July 7, 11:00 PM CST
Where: Lawrence County
Coordinates: 40.970, -80.320

Thunderstorm Wind, Armstrong

When: July 7, 11:10 PM CST
Where: Armstrong County
Coordinates: 40.820, -79.500

Thunderstorm Wind, Somerset

When: July 7, 11:15 PM CST
Where: Somerset County
Coordinates: 39.830, -78.800

Thunderstorm Wind, Cambria

When: July 7, 11:15 PM CST
Where: Cambria County
Coordinates: 40.300, -78.950

Thunderstorm Wind, Cambria

When: July 7, 11:30 PM CST
Where: Cambria County
Coordinates: 40.330, -79.000

Thunderstorm Wind, Blair

When: July 7, 11:39 PM CST
Where: Blair County
Coordinates: 40.480, -78.400

Thunderstorm Wind, Indiana

When: July 7, 11:45 PM CST
Where: Indiana County
Coordinates: 40.400, -79.200

Thunderstorm Wind, Bedford

When: July 7, 11:47 PM CST
Where: Bedford County
Coordinates: 40.020, -78.500

Thunderstorm Wind, Cambria

When: July 7, 11:50 PM CST
Where: Cambria County
Coordinates: 40.330, -78.920

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
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

Every storm in Pennsylvania in 1991 Every state in 1991 This day in weather history Warnings in Pennsylvania, July 1991

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: 10115827, 10115828, 10115829, 10115830, 10115831, 10101959, 10101960, 10101961, 10101962, 10101963, 10101964, 10101965, 10101966, 10101967, 10101968, 10101969, 10101970, 10116411, 10116412, 10116413, 10116414, 10116415, 10116416, 10116417, 10116418, 10116419, 10116420, 10116421, 10116422, 10116423, 10116424, 10116425, 10116426, 10116427, 10116428, 10116429, 10116430, 10116431, 10116432, 10116433, and more.