Pennsylvania, 1978

Tornadoes and Hail in Pennsylvania, June 27, 1978

June 27, 1978 · NWS S · 16 events in 10 counties and zones

12 thunderstorm wind, 2 hail, 2 tornado, 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

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The toll

Deaths
0
Injuries
1
Property damage
$250,000
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

12 thunderstorm wind, 2 hail, 2 tornado. Local standard time, as filed.

Hail, McKean

When
June 27, 12:20 PM CST
Where
McKean County
Measured
1.75 in hail
Coordinates
41.970, -78.650

Tornado, Butler

When
June 27, 2:30 PM CST
Where
Butler County
Path width
33 yd
Injuries
1 direct, 0 indirect
Property damage
$250,000
Coordinates
40.980, -79.770

Hail, Westmoreland

When
June 27, 2:30 PM CST
Where
Westmoreland County
Measured
1 in hail
Coordinates
40.300, -79.380

Thunderstorm Wind, Westmoreland

When
June 27, 2:30 PM CST
Where
Westmoreland County
Measured
65 kt (75 mph)
Coordinates
40.300, -79.380

Thunderstorm Wind, Westmoreland

When
June 27, 2:50 PM CST
Where
Westmoreland County
Coordinates
40.380, -79.750

Thunderstorm Wind, Westmoreland

When
June 27, 2:50 PM CST
Where
Westmoreland County
Coordinates
40.300, -79.550

Thunderstorm Wind, Perry

When
June 27, 3:45 PM CST
Where
Perry County
Coordinates
40.380, -77.050

Thunderstorm Wind, Adams

When
June 27, 3:45 PM CST
Where
Adams County
Coordinates
39.820, -77.220

Thunderstorm Wind, Cumberland

When
June 27, 3:45 PM CST
Where
Cumberland County
Coordinates
40.230, -77.200

Tornado, Huntingdon

When
June 27, 4:00 PM CST
Where
Huntingdon County
Path width
33 yd
Coordinates
40.500, -78.020

Thunderstorm Wind, Dauphin

When
June 27, 4:05 PM CST
Where
Dauphin County
Measured
60 kt (69 mph)
Coordinates
40.220, -76.850

Thunderstorm Wind, Dauphin

When
June 27, 4:15 PM CST
Where
Dauphin County
Measured
50 kt (58 mph)
Coordinates
40.200, -76.770

Thunderstorm Wind, York

When
June 27, 4:15 PM CST
Where
York County
Coordinates
40.130, -76.870

Thunderstorm Wind, York

When
June 27, 4:30 PM CST
Where
York County
Coordinates
39.980, -76.870

Thunderstorm Wind, Lancaster

When
June 27, 5:00 PM CST
Where
Lancaster County
Coordinates
40.130, -76.300

Thunderstorm Wind, Lancaster

When
June 27, 5:00 PM CST
Where
Lancaster County
Measured
60 kt (69 mph)
Coordinates
40.120, -76.300

What these are

Hail
Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
Tornado
A violently rotating column of air in contact with the ground and extending from a thunderstorm, filed with its path, width and Fujita or Enhanced Fujita rating from the damage survey.
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

More

Every storm in Pennsylvania in 1978Every state in 1978This day in weather historyThe tornado archive for Pennsylvania, 1978

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: 10116961, 10117802, 10117803, 10117804, 10117805, 10117806, 10117807, 10117808, 10117809, 10117810, 10117811, 10117812, 10117813, 10117814, 10117815, 10117816.