Thunderstorm Wind, Jefferson
- When
- June 30, 10:55 AM CST
- Where
- Jefferson County
- Coordinates
- 41.180, -78.900
Damaging Winds in Pennsylvania, June 30, 1991
16 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
The toll
- Deaths
- 0
- Injuries
- 1
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 16
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. Local standard time, as filed.
Thunderstorm Wind, Butler
- When
- June 30, 11:15 AM CST
- Where
- Butler County
- Coordinates
- 41.070, -79.880
Thunderstorm Wind, Butler
- When
- June 30, 11:15 AM CST
- Where
- Butler County
- Coordinates
- 40.920, -79.780
Thunderstorm Wind, Jefferson
- When
- June 30, 11:25 AM CST
- Where
- Jefferson County
- Coordinates
- 41.220, -78.970
Thunderstorm Wind, Lawrence
- When
- June 30, 11:30 AM CST
- Where
- Lawrence County
- Coordinates
- 40.970, -80.320
Thunderstorm Wind, Mercer
- When
- June 30, 11:30 AM CST
- Where
- Mercer County
- Coordinates
- 41.300, -80.250
Thunderstorm Wind, Lawrence
- When
- June 30, 12:00 PM CST
- Where
- Lawrence County
- Coordinates
- 40.950, -80.420
Thunderstorm Wind, Clearfield
- When
- June 30, 12:20 PM CST
- Where
- Clearfield County
- Coordinates
- 40.850, -78.270
Thunderstorm Wind, Beaver
- When
- June 30, 12:20 PM CST
- Where
- Beaver County
- Coordinates
- 40.800, -80.480
Thunderstorm Wind, Beaver
- When
- June 30, 12:35 PM CST
- Where
- Beaver County
- Coordinates
- 40.600, -80.330
Thunderstorm Wind, Lancaster
- When
- June 30, 1:45 PM CST
- Where
- Lancaster County
- Injuries
- 1 direct, 0 indirect
- Coordinates
- 39.950, -76.230
Thunderstorm Wind, Lancaster
- When
- June 30, 1:50 PM CST
- Where
- Lancaster County
- Coordinates
- 40.100, -76.080
Thunderstorm Wind, Chester
- When
- June 30, 2:15 PM CST
- Where
- Chester County
- Coordinates
- 39.880, -75.620
Thunderstorm Wind, Chester
- When
- June 30, 2:30 PM CST
- Where
- Chester County
- Coordinates
- 40.000, -75.580
Thunderstorm Wind, Delaware
- When
- June 30, 3:00 PM CST
- Where
- Delaware County
- Measured
- 52 kt (60 mph)
- Coordinates
- 39.920, -75.500
Thunderstorm Wind, Delaware
- When
- June 30, 3:25 PM CST
- Where
- Delaware County
- Coordinates
- 39.900, -75.300
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 and Damaging Winds in Minnesota, June 30, 1991
- Tornado in Montana, June 30, 1991
- Tornadoes and Hail in South Dakota, June 30, 1991
- Hail and Damaging Winds in Nebraska, June 30, 1991
- Hail and Damaging Winds in Ohio, June 30, 1991
- Damaging Winds in New Jersey, June 30, 1991
- Hail and Damaging Winds in North Dakota, June 30, 1991
- Hail in Kansas, June 30, 1991
- Damaging Winds in Indiana, June 30, 1991
- Damaging Wind in West Virginia, June 30, 1991
- Damaging Wind in Iowa, June 30, 1991
More
Every storm in Pennsylvania in 1991Every state in 1991This day in weather historyWarnings in Pennsylvania, June 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: 10115791, 10115792, 10115793, 10115794, 10115795, 10115796, 10115797, 10115798, 10115799, 10115800, 10115801, 10115802, 10115803, 10115804, 10115805, 10115806.