Pennsylvania, 1977

Damaging Winds in Pennsylvania, September 19, 1977

September 19, 1977 · NWS SPR · 5 events in 4 counties and zones

5 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
0
Property damage
None recorded
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

5 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, York

When
September 19, 5:00 PM CST
Where
York County
Coordinates
40.120, -77.030

Thunderstorm Wind, York

When
September 19, 5:00 PM CST
Where
York County
Coordinates
39.900, -76.620

Thunderstorm Wind, Lancaster

When
September 19, 5:30 PM CST
Where
Lancaster County
Measured
54 kt (62 mph)
Coordinates
40.070, -76.570

Thunderstorm Wind, Philadelphia

When
September 19, 7:00 PM CST
Where
Philadelphia County
Coordinates
39.950, -75.170

Thunderstorm Wind, Chester

When
September 19, 8:00 PM CST
Where
Chester County
Coordinates
40.000, -75.480

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

More

Every storm in Pennsylvania in 1977Every state in 1977This day in weather history

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: 10116918, 10116919, 10116920, 10116921, 10116922.