Hail, Erie
- When
- September 17, 12:05 PM CST
- Where
- Erie County
- Measured
- 1.5 in hail
- Coordinates
- 42.120, -79.950
Hail and Damaging Winds in Pennsylvania, September 17, 1987
14 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
- 17
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
14 thunderstorm wind, 3 hail. Local standard time, as filed.
Thunderstorm Wind, Beaver
- When
- September 17, 1:00 PM CST
- Where
- Beaver County
- Coordinates
- 40.600, -80.230
Thunderstorm Wind, Allegheny
- When
- September 17, 1:05 PM CST
- Where
- Allegheny County
- Coordinates
- 40.430, -80.250
Hail, Allegheny
- When
- September 17, 1:38 PM CST
- Where
- Allegheny County
- Measured
- 0.75 in hail
- Coordinates
- 40.430, -79.920
Thunderstorm Wind, Allegheny
- When
- September 17, 2:00 PM CST
- Where
- Allegheny County
- Coordinates
- 40.630, -80.050
Thunderstorm Wind, Mercer
- When
- September 17, 2:15 PM CST
- Where
- Mercer County
- Coordinates
- 41.230, -80.300
Hail, Allegheny
- When
- September 17, 2:50 PM CST
- Where
- Allegheny County
- Measured
- 0.75 in hail
- Coordinates
- 40.420, -80.080
Thunderstorm Wind, Westmoreland
- When
- September 17, 3:00 PM CST
- Where
- Westmoreland County
- Coordinates
- 40.300, -79.220
Thunderstorm Wind, Westmoreland
- When
- September 17, 4:00 PM CST
- Where
- Westmoreland County
- Coordinates
- 40.300, -79.380
Thunderstorm Wind, Indiana
- When
- September 17, 4:23 PM CST
- Where
- Indiana County
- Coordinates
- 40.550, -79.150
Thunderstorm Wind, Washington
- When
- September 17, 4:35 PM CST
- Where
- Washington County
- Coordinates
- 40.180, -80.250
Thunderstorm Wind, McKean
- When
- September 17, 4:45 PM CST
- Where
- McKean County
- Coordinates
- 41.970, -78.650
Thunderstorm Wind, Lancaster
- When
- September 17, 6:00 PM CST
- Where
- Lancaster County
- Coordinates
- 39.900, -76.170
Thunderstorm Wind, Cumberland
- When
- September 17, 6:40 PM CST
- Where
- Cumberland County
- Coordinates
- 40.120, -77.180
Thunderstorm Wind, Cumberland
- When
- September 17, 7:15 PM CST
- Where
- Cumberland County
- Coordinates
- 40.120, -77.200
Thunderstorm Wind, Adams
- When
- September 17, 8:00 PM CST
- Where
- Adams County
- Coordinates
- 39.830, -77.230
Thunderstorm Wind, Adams
- When
- September 17, 9:30 PM CST
- Where
- Adams County
- Coordinates
- 39.920, -77.300
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
- Damaging Winds in Ohio, September 17, 1987
- Hail and Damaging Wind in New York, September 17, 1987
- Damaging Winds in Mississippi, September 17, 1987
- Damaging Winds in Louisiana, September 17, 1987
- Hail in Virginia, September 17, 1987
- Hail in Colorado, September 17, 1987
- Damaging Wind in Texas, September 17, 1987
More
Every storm in Pennsylvania in 1987Every state in 1987This day in weather historyWarnings in Pennsylvania, September 1987
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: 10115028, 10115029, 10115030, 10115031, 10115032, 10115033, 10115034, 10115035, 10115036, 10115037, 10115038, 10115039, 10115040, 10115041, 10115042, 10115043, 10115044.