Pennsylvania, 1987

Tornadoes and Damaging Winds in Pennsylvania, June 30, 1987

June 30, 1987 · NWS PHL · 12 events in 9 counties and zones

10 thunderstorm wind, 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

Open the live radar over this ground

The toll

Deaths
1
Injuries
0
Property damage
$50,000
Crop damage
None recorded
Events
12

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

10 thunderstorm wind, 2 tornado. Local standard time, as filed.

Tornado, Huntingdon

When
June 30, 1:40 PM EST
Where
Huntingdon County
Rating
F0
Path length
0.2 mi
Path width
10 yd
Property damage
$25,000
Coordinates
40.420, -77.980

Thunderstorm Wind, York

When
June 30, 1:03 PM CST
Where
York County
Coordinates
39.970, -76.650

Thunderstorm Wind, York

When
June 30, 1:25 PM CST
Where
York County
Coordinates
39.870, -76.980

Thunderstorm Wind, Lancaster

When
June 30, 1:30 PM CST
Where
Lancaster County
Coordinates
40.120, -76.500

Thunderstorm Wind, Adams

When
June 30, 2:30 PM CST
Where
Adams County
Measured
87 kt (100 mph)
Deaths
1 direct, 0 indirect
Coordinates
39.830, -77.230

Thunderstorm Wind, Berks

When
June 30, 2:34 PM CST
Where
Berks County
Coordinates
40.330, -75.970

Thunderstorm Wind, Berks

When
June 30, 2:45 PM CST
Where
Berks County
Coordinates
40.350, -75.700

Thunderstorm Wind, Lancaster

When
June 30, 2:54 PM CST
Where
Lancaster County
Coordinates
40.200, -76.300

Tornado, Westmoreland

When
June 30, 5:10 PM EST
Where
Westmoreland County
Rating
F0
Path length
0.5 mi
Path width
20 yd
Property damage
$25,000
Coordinates
40.400, -79.420

Thunderstorm Wind, Cambria

When
June 30, 5:10 PM CST
Where
Cambria County
Coordinates
40.630, -78.530

Thunderstorm Wind, Allegheny

When
June 30, 6:10 PM CST
Where
Allegheny County
Coordinates
40.570, -80.220

Thunderstorm Wind, Clearfield

When
June 30, 7:00 PM CST
Where
Clearfield County
Coordinates
40.950, -78.470

The people who died

As the offices recorded each death: direct deaths were caused by the weather itself, indirect ones by something it set in motion.

EventDateAgeSexWhereKind
Thunderstorm Wind, Adams1987-06-30Direct

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.
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 1987Every state in 1987This day in weather historyThe tornado archive for Pennsylvania, 1987Warnings in Pennsylvania, June 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: 10118338, 10118335, 10118336, 10118337, 10118339, 10118340, 10118341, 10118342, 10118343, 10118344, 10118345, 10118346.