Pennsylvania, 1990

Tornado and Hail in Pennsylvania, July 9, 1990

July 9, 1990 · NWS PIT · 34 events in 19 counties and zones

30 thunderstorm wind, 3 hail, 1 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
0
Injuries
0
Property damage
$250,000
Crop damage
None recorded
Events
34

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

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

Thunderstorm Wind, Venango

When
July 9, 11:10 AM CST
Where
Venango County
Coordinates
41.430, -79.850

Thunderstorm Wind, Clearfield

When
July 9, 11:30 AM CST
Where
Clearfield County
Coordinates
41.030, -78.450

Thunderstorm Wind, Venango

When
July 9, 11:40 AM CST
Where
Venango County
Coordinates
41.400, -79.850

Thunderstorm Wind, Centre

When
July 9, 11:42 AM CST
Where
Centre County
Coordinates
40.900, -78.230

Thunderstorm Wind, Centre

When
July 9, 11:45 AM CST
Where
Centre County
Coordinates
40.800, -78.050

Thunderstorm Wind, Jefferson

When
July 9, 11:55 AM CST
Where
Jefferson County
Coordinates
41.170, -79.080

Thunderstorm Wind, Venango

When
July 9, 12:10 PM CST
Where
Venango County
Coordinates
41.430, -79.720

Thunderstorm Wind, Centre

When
July 9, 12:25 PM CST
Where
Centre County
Coordinates
40.830, -77.630

Thunderstorm Wind, Centre

When
July 9, 12:25 PM CST
Where
Centre County
Coordinates
40.870, -77.880

Thunderstorm Wind, Clearfield

When
July 9, 12:42 PM CST
Where
Clearfield County
Coordinates
41.000, -78.450

Thunderstorm Wind, Mifflin

When
July 9, 12:59 PM CST
Where
Mifflin County
Coordinates
40.600, -77.570

Thunderstorm Wind, Snyder

When
July 9, 1:00 PM CST
Where
Snyder County
Coordinates
40.750, -77.200

Thunderstorm Wind, Northampton

When
July 9, 1:11 PM CST
Where
Northampton County
Measured
53 kt (61 mph)
Coordinates
40.720, -75.270

Hail, Carbon

When
July 9, 1:15 PM CST
Where
Carbon County
Measured
0.75 in hail
Coordinates
40.830, -75.520

Thunderstorm Wind, Beaver

When
July 9, 1:15 PM CST
Where
Beaver County
Coordinates
40.620, -80.330

Hail, Monroe

When
July 9, 1:25 PM CST
Where
Monroe County
Measured
0.75 in hail
Coordinates
40.850, -75.430

Hail, Northampton

When
July 9, 1:30 PM CST
Where
Northampton County
Measured
1.75 in hail
Coordinates
40.850, -75.300

Thunderstorm Wind, Allegheny

When
July 9, 1:30 PM CST
Where
Allegheny County
Coordinates
40.430, -79.930

Thunderstorm Wind, Northampton

When
July 9, 1:55 PM CST
Where
Northampton County
Coordinates
40.750, -75.250

Thunderstorm Wind, Westmoreland

When
July 9, 2:05 PM CST
Where
Westmoreland County
Coordinates
40.270, -79.720

Thunderstorm Wind, Somerset

When
July 9, 2:10 PM CST
Where
Somerset County
Coordinates
39.820, -79.030

Thunderstorm Wind, Adams

When
July 9, 2:25 PM CST
Where
Adams County
Coordinates
40.000, -77.320

Thunderstorm Wind, York

When
July 9, 2:25 PM CST
Where
York County
Coordinates
39.880, -76.930

Tornado, Chester

When
July 9, 3:30 PM EST
Where
Chester County
Rating
F1
Path length
5 mi
Path width
50 yd
Property damage
$250,000
Coordinates
40.080, -75.630

Thunderstorm Wind, Washington

When
July 9, 2:45 PM CST
Where
Washington County
Coordinates
40.250, -80.200

Thunderstorm Wind, Lancaster

When
July 9, 2:45 PM CST
Where
Lancaster County
Coordinates
39.830, -76.330

Thunderstorm Wind, Lancaster

When
July 9, 2:50 PM CST
Where
Lancaster County
Measured
56 kt (64 mph)
Coordinates
40.000, -76.300

Thunderstorm Wind, York

When
July 9, 2:55 PM CST
Where
York County
Coordinates
39.730, -76.330

Thunderstorm Wind, York

When
July 9, 2:55 PM CST
Where
York County
Coordinates
39.900, -76.620

Thunderstorm Wind, Lancaster

When
July 9, 3:00 PM CST
Where
Lancaster County
Coordinates
40.080, -76.050

Thunderstorm Wind, Westmoreland

When
July 9, 3:00 PM CST
Where
Westmoreland County
Coordinates
40.300, -79.550

Thunderstorm Wind, Chester

When
July 9, 3:20 PM CST
Where
Chester County
Coordinates
40.120, -75.830

Thunderstorm Wind, Montgomery

When
July 9, 3:25 PM CST
Where
Montgomery County
Coordinates
40.250, -75.630

Thunderstorm Wind, Montgomery

When
July 9, 3:40 PM CST
Where
Montgomery County
Coordinates
40.170, -75.230

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.
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.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Pennsylvania in 1990Every state in 1990This day in weather historyThe tornado archive for Pennsylvania, 1990Warnings in Pennsylvania, July 1990

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: 10116298, 10116299, 10116300, 10116301, 10116302, 10116303, 10116304, 10116305, 10116306, 10116307, 10116308, 10116309, 10116310, 10116311, 10116312, 10116313, 10116314, 10116315, 10116316, 10116317, 10116318, 10116319, 10116320, 10117177, 10116321, 10116322, 10116323, 10116324, 10117172, 10117173, 10117174, 10117175, 10117176, 10117178.