Tornado and Damaging Winds in Pennsylvania, November 20, 1989

Name: Tornado and Damaging Winds in Pennsylvania, November 20, 1989
Start: 1989-11-20T18:00
End: 1989-11-20T20:41
Location: Pennsylvania

November 20, 1989 · NWS PHL · 91 events in 38 counties and zones

90 thunderstorm wind, 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: 3
Property damage: $25,000
Crop damage: None recorded
Events: 91

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

90 thunderstorm wind, 1 tornado. Local standard time, as filed.

Tornado, Huntingdon

When: November 20, 6:00 PM EST
Where: Huntingdon County
Rating: F2
Path length: 3.5 mi
Path width: 1,230 yd
Property damage: $25,000
Coordinates: 40.620, -77.820

Thunderstorm Wind, Tioga

When: November 20, 5:31 PM CST
Where: Tioga County
Injuries: 2 direct, 0 indirect
Coordinates: 41.950, -77.450

Thunderstorm Wind, Tioga

When: November 20, 5:45 PM CST
Where: Tioga County
Coordinates: 42.000, -77.120

Thunderstorm Wind, Clinton

When: November 20, 5:47 PM CST
Where: Clinton County
Coordinates: 41.130, -77.430

Thunderstorm Wind, Clinton

When: November 20, 5:58 PM CST
Where: Clinton County
Coordinates: 41.330, -77.980

Thunderstorm Wind, Tioga

When: November 20, 6:00 PM CST
Where: Tioga County
Coordinates: 41.800, -77.080

Thunderstorm Wind, Lycoming

When: November 20, 6:00 PM CST
Where: Lycoming County
Coordinates: 41.200, -77.270

Thunderstorm Wind, Bradford

When: November 20, 6:02 PM CST
Where: Bradford County
Coordinates: 41.950, -76.520

Thunderstorm Wind, Clinton

When: November 20, 6:03 PM CST
Where: Clinton County
Coordinates: 41.130, -77.430

Thunderstorm Wind, Lycoming

When: November 20, 6:04 PM CST
Where: Lycoming County
Coordinates: 41.470, -77.500

Thunderstorm Wind, Lycoming

When: November 20, 6:05 PM CST
Where: Lycoming County
Coordinates: 41.480, -76.980

Thunderstorm Wind, Centre

When: November 20, 6:10 PM CST
Where: Centre County
Measured: 74 kt (85 mph)
Coordinates: 40.780, -77.850

Thunderstorm Wind, Franklin

When: November 20, 6:10 PM CST
Where: Franklin County
Coordinates: 39.780, -77.750

Thunderstorm Wind, Franklin

When: November 20, 6:10 PM CST
Where: Franklin County
Measured: 72 kt (83 mph)
Coordinates: 39.930, -77.670

Thunderstorm Wind, Clinton

When: November 20, 6:19 PM CST
Where: Clinton County
Coordinates: 41.130, -77.430

Thunderstorm Wind, Lycoming

When: November 20, 6:20 PM CST
Where: Lycoming County
Coordinates: 41.130, -77.020

Thunderstorm Wind, Bradford

When: November 20, 6:23 PM CST
Where: Bradford County
Coordinates: 41.650, -76.850

Thunderstorm Wind, Lycoming

When: November 20, 6:28 PM CST
Where: Lycoming County
Coordinates: 41.470, -77.500

Thunderstorm Wind, Lycoming

When: November 20, 6:30 PM CST
Where: Lycoming County
Coordinates: 41.200, -76.800

Thunderstorm Wind, Union

When: November 20, 6:30 PM CST
Where: Union County
Coordinates: 40.980, -77.080

Thunderstorm Wind, Northumberland

When: November 20, 6:30 PM CST
Where: Northumberland County
Coordinates: 41.080, -76.880

Thunderstorm Wind, Wyoming

When: November 20, 6:30 PM CST
Where: Wyoming County
Coordinates: 41.520, -75.980

Thunderstorm Wind, Sullivan

When: November 20, 6:32 PM CST
Where: Sullivan County
Coordinates: 41.420, -76.500

Thunderstorm Wind, Northumberland

When: November 20, 6:37 PM CST
Where: Northumberland County
Coordinates: 40.950, -76.620

Thunderstorm Wind, Cumberland

When: November 20, 6:40 PM CST
Where: Cumberland County
Coordinates: 40.200, -77.180

Thunderstorm Wind, Luzerne

When: November 20, 6:45 PM CST
Where: Luzerne County
Coordinates: 41.250, -76.200

Thunderstorm Wind, Montour

When: November 20, 6:45 PM CST
Where: Montour County
Coordinates: 41.070, -76.630

Thunderstorm Wind, Lycoming

When: November 20, 6:45 PM CST
Where: Lycoming County
Coordinates: 41.250, -76.930

Thunderstorm Wind, Juniata

When: November 20, 6:45 PM CST
Where: Juniata County
Coordinates: 40.650, -77.270

Thunderstorm Wind, Mifflin

When: November 20, 6:45 PM CST
Where: Mifflin County
Coordinates: 40.600, -77.570

Thunderstorm Wind, Bradford

When: November 20, 6:45 PM CST
Where: Bradford County
Coordinates: 41.850, -76.330

Thunderstorm Wind, Northumberland

When: November 20, 6:45 PM CST
Where: Northumberland County
Coordinates: 40.780, -76.570

Thunderstorm Wind, Centre

When: November 20, 6:45 PM CST
Where: Centre County
Coordinates: 40.850, -77.570

Thunderstorm Wind, Lycoming

When: November 20, 6:49 PM CST
Where: Lycoming County
Coordinates: 41.150, -77.150

Thunderstorm Wind, Lycoming

When: November 20, 6:49 PM CST
Where: Lycoming County
Coordinates: 41.400, -76.800

Thunderstorm Wind, Snyder

When: November 20, 6:50 PM CST
Where: Snyder County
Coordinates: 40.780, -77.050

Thunderstorm Wind, Bradford

When: November 20, 6:52 PM CST
Where: Bradford County
Coordinates: 41.950, -76.680

Thunderstorm Wind, Luzerne

When: November 20, 6:54 PM CST
Where: Luzerne County
Coordinates: 41.330, -75.720

Thunderstorm Wind, Dauphin

When: November 20, 6:58 PM CST
Where: Dauphin County
Measured: 64 kt (74 mph)
Coordinates: 40.270, -76.870

Thunderstorm Wind, Bradford

When: November 20, 7:00 PM CST
Where: Bradford County
Coordinates: 41.720, -76.470

Thunderstorm Wind, Lackawanna

When: November 20, 7:00 PM CST
Where: Lackawanna County
Coordinates: 41.420, -75.670

Thunderstorm Wind, Adams

When: November 20, 7:02 PM CST
Where: Adams County
Coordinates: 39.930, -77.070

Thunderstorm Wind, Luzerne

When: November 20, 7:05 PM CST
Where: Luzerne County
Coordinates: 41.180, -76.000

Thunderstorm Wind, Lebanon

When: November 20, 7:05 PM CST
Where: Lebanon County
Coordinates: 40.350, -76.420

Thunderstorm Wind, Columbia

When: November 20, 7:05 PM CST
Where: Columbia County
Injuries: 1 direct, 0 indirect
Coordinates: 41.000, -76.450

Thunderstorm Wind, Huntingdon

When: November 20, 7:07 PM CST
Where: Huntingdon County
Coordinates: 40.250, -77.880

Thunderstorm Wind, Dauphin

When: November 20, 7:12 PM CST
Where: Dauphin County
Coordinates: 40.470, -76.920

Thunderstorm Wind, Fulton

When: November 20, 7:15 PM CST
Where: Fulton County
Coordinates: 39.950, -78.130

Thunderstorm Wind, Schuylkill

When: November 20, 7:15 PM CST
Where: Schuylkill County
Coordinates: 40.720, -76.220

Thunderstorm Wind, York

When: November 20, 7:19 PM CST
Where: York County
Measured: 75 kt (86 mph)
Coordinates: 40.220, -76.850

Thunderstorm Wind, Perry

When: November 20, 7:20 PM CST
Where: Perry County
Coordinates: 40.350, -76.980

Thunderstorm Wind, Carbon

When: November 20, 7:20 PM CST
Where: Carbon County
Coordinates: 40.920, -75.680

Thunderstorm Wind, Carbon

When: November 20, 7:20 PM CST
Where: Carbon County
Coordinates: 40.800, -75.800

Thunderstorm Wind, Berks

When: November 20, 7:20 PM CST
Where: Berks County
Coordinates: 40.320, -75.950

Thunderstorm Wind, Berks

When: November 20, 7:25 PM CST
Where: Berks County
Coordinates: 40.450, -75.550

Thunderstorm Wind, York

When: November 20, 7:25 PM CST
Where: York County
Measured: 74 kt (85 mph)
Coordinates: 39.950, -76.720

Thunderstorm Wind, Lebanon

When: November 20, 7:25 PM CST
Where: Lebanon County
Measured: 69 kt (79 mph)
Coordinates: 40.270, -76.420

Thunderstorm Wind, Cumberland

When: November 20, 7:26 PM CST
Where: Cumberland County
Coordinates: 40.180, -77.400

Thunderstorm Wind, Monroe

When: November 20, 7:30 PM CST
Where: Monroe County
Coordinates: 41.070, -75.280

Thunderstorm Wind, Pike

When: November 20, 7:30 PM CST
Where: Pike County
Coordinates: 41.330, -75.030

Thunderstorm Wind, Huntingdon

When: November 20, 7:30 PM CST
Where: Huntingdon County
Coordinates: 40.120, -77.880

Thunderstorm Wind, Schuylkill

When: November 20, 7:30 PM CST
Where: Schuylkill County
Coordinates: 40.650, -76.480

Thunderstorm Wind, Wyoming

When: November 20, 7:30 PM CST
Where: Wyoming County
Coordinates: 41.570, -75.900

Thunderstorm Wind, Cumberland

When: November 20, 7:32 PM CST
Where: Cumberland County
Coordinates: 40.230, -76.950

Thunderstorm Wind, Lehigh

When: November 20, 7:34 PM CST
Where: Lehigh County
Measured: 68 kt (78 mph)
Coordinates: 40.630, -75.470

Thunderstorm Wind, Northampton

When: November 20, 7:35 PM CST
Where: Northampton County
Coordinates: 40.720, -75.300

Thunderstorm Wind, Lebanon

When: November 20, 7:40 PM CST
Where: Lebanon County
Coordinates: 40.350, -76.420

Thunderstorm Wind, Lancaster

When: November 20, 7:50 PM CST
Where: Lancaster County
Measured: 60 kt (69 mph)
Coordinates: 40.120, -76.300

Thunderstorm Wind, Montgomery

When: November 20, 7:50 PM CST
Where: Montgomery County
Measured: 56 kt (64 mph)
Coordinates: 40.250, -75.630

Thunderstorm Wind, Montgomery

When: November 20, 7:55 PM CST
Where: Montgomery County
Measured: 56 kt (64 mph)
Coordinates: 40.330, -75.330

Thunderstorm Wind, York

When: November 20, 7:57 PM CST
Where: York County
Coordinates: 39.880, -76.980

Thunderstorm Wind, Chester

When: November 20, 8:00 PM CST
Where: Chester County
Measured: 61 kt (70 mph)
Coordinates: 39.980, -75.870

Thunderstorm Wind, Bucks

When: November 20, 8:00 PM CST
Where: Bucks County
Measured: 52 kt (60 mph)
Coordinates: 40.250, -75.130

Thunderstorm Wind, Adams

When: November 20, 8:00 PM CST
Where: Adams County
Coordinates: 39.870, -77.070

Thunderstorm Wind, Montgomery

When: November 20, 8:05 PM CST
Where: Montgomery County
Measured: 52 kt (60 mph)
Coordinates: 40.120, -75.330

Thunderstorm Wind, Chester

When: November 20, 8:06 PM CST
Where: Chester County
Coordinates: 39.970, -75.620

Thunderstorm Wind, Delaware

When: November 20, 8:07 PM CST
Where: Delaware County
Measured: 69 kt (79 mph)
Coordinates: 40.050, -75.400

Thunderstorm Wind, Franklin

When: November 20, 8:15 PM CST
Where: Franklin County
Coordinates: 39.930, -77.650

Thunderstorm Wind, Montgomery

When: November 20, 8:15 PM CST
Where: Montgomery County
Coordinates: 40.330, -75.330

Thunderstorm Wind, Bucks

When: November 20, 8:16 PM CST
Where: Bucks County
Measured: 52 kt (60 mph)
Coordinates: 40.320, -75.130

Thunderstorm Wind, Philadelphia

When: November 20, 8:17 PM CST
Where: Philadelphia County
Measured: 61 kt (70 mph)
Coordinates: 40.080, -75.030

Thunderstorm Wind, Chester

When: November 20, 8:20 PM CST
Where: Chester County
Measured: 56 kt (64 mph)
Coordinates: 39.780, -75.980

Thunderstorm Wind, Montgomery

When: November 20, 8:20 PM CST
Where: Montgomery County
Coordinates: 40.180, -75.120

Thunderstorm Wind, Philadelphia

When: November 20, 8:25 PM CST
Where: Philadelphia County
Measured: 53 kt (61 mph)
Coordinates: 39.880, -75.250

Thunderstorm Wind, Delaware

When: November 20, 8:25 PM CST
Where: Delaware County
Measured: 52 kt (60 mph)
Coordinates: 40.030, -75.370

Thunderstorm Wind, Chester

When: November 20, 8:25 PM CST
Where: Chester County
Coordinates: 40.130, -75.520

Thunderstorm Wind, Delaware

When: November 20, 8:25 PM CST
Where: Delaware County
Measured: 53 kt (61 mph)
Coordinates: 39.880, -75.250

Thunderstorm Wind, Philadelphia

When: November 20, 8:25 PM CST
Where: Philadelphia County
Coordinates: 40.030, -75.170

Thunderstorm Wind, Chester

When: November 20, 8:25 PM CST
Where: Chester County
Measured: 57 kt (66 mph)
Coordinates: 39.970, -75.620

Thunderstorm Wind, Chester

When: November 20, 8:25 PM CST
Where: Chester County
Coordinates: 39.970, -75.900

Thunderstorm Wind, Philadelphia

When: November 20, 8:41 PM CST
Where: Philadelphia County
Coordinates: 40.030, -75.220

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

Every storm in Pennsylvania in 1989 Every state in 1989 This day in weather history The tornado archive for Pennsylvania, 1989 Warnings in Pennsylvania, November 1989

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: 10117111, 10117107, 10117108, 10117109, 10117110, 10117112, 10117113, 10117114, 10117115, 10117116, 10117117, 10117327, 10117328, 10117329, 10117330, 10117331, 10117332, 10117333, 10117334, 10117335, 10117336, 10117337, 10117338, 10117339, 10117340, 10117341, 10117342, 10117343, 10117344, 10117345, 10117346, 10117347, 10117348, 10117349, 10117350, 10117351, 10117352, 10117353, 10117354, 10117355, and more.