Pennsylvania, 1964

Tornadoes and Hail in Pennsylvania, June 15, 1964

June 15, 1964 · 5 events in 5 counties and zones

3 tornado, 1 hail, 1 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

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The toll

Deaths
0
Injuries
10
Property damage
$750,000
Crop damage
None recorded
Events
5

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

3 tornado, 1 hail, 1 thunderstorm wind. Local standard time, as filed.

Tornado, Lebanon

When
June 15, 2:20 PM CST
Where
Lebanon County
Rating
F1
Path length
2 mi
Path width
800 yd
Injuries
2 direct, 0 indirect
Property damage
$250,000
Coordinates
40.420, -76.480

Tornado, Mercer

When
June 15, 3:00 PM CST
Where
Mercer County
Rating
F2
Path width
400 yd
Injuries
4 direct, 0 indirect
Property damage
$250,000
Coordinates
41.230, -80.230

Hail, Allegheny

When
June 15, 4:30 PM CST
Where
Allegheny County
Measured
0.75 in hail
Coordinates
40.500, -80.000

Thunderstorm Wind, Lehigh

When
June 15, 4:39 PM CST
Where
Lehigh County
Measured
95 kt (109 mph)
Coordinates
40.580, -75.400

Tornado, Westmoreland

When
June 15, 6:00 PM CST
Where
Westmoreland County
Rating
F2
Path length
2 mi
Path width
800 yd
Injuries
4 direct, 0 indirect
Property damage
$250,000
Coordinates
40.300, -79.550

What these are

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.
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

More

Every storm in Pennsylvania in 1964Every state in 1964This day in weather historyThe tornado archive for Pennsylvania, 1964

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: 10114715, 10114716, 10114717, 10114718, 10114719.