Tornado and Hail in Pennsylvania, April 14, 1974

Name: Tornado and Hail in Pennsylvania, April 14, 1974
Start: 1974-04-14T13:55
End: 1974-04-14T20:34
Location: Pennsylvania

April 14, 1974 · 58 events in 30 counties and zones

51 thunderstorm wind, 6 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: $25,000
Crop damage: None recorded
Events: 58

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

51 thunderstorm wind, 6 hail, 1 tornado. Local standard time, as filed.

Thunderstorm Wind, Mercer

When: April 14, 1:55 PM CST
Where: Mercer County
Coordinates: 41.420, -80.380

Thunderstorm Wind, Erie

When: April 14, 1:55 PM CST
Where: Erie County
Coordinates: 41.900, -80.380

Thunderstorm Wind, Lawrence

When: April 14, 2:10 PM CST
Where: Lawrence County
Coordinates: 41.000, -80.350

Thunderstorm Wind, Crawford

When: April 14, 2:10 PM CST
Where: Crawford County
Coordinates: 41.630, -80.150

Thunderstorm Wind, Erie

When: April 14, 2:20 PM CST
Where: Erie County
Coordinates: 41.900, -79.850

Thunderstorm Wind, Venango

When: April 14, 2:30 PM CST
Where: Venango County
Coordinates: 41.400, -79.850

Thunderstorm Wind, Butler

When: April 14, 2:40 PM CST
Where: Butler County
Coordinates: 41.130, -79.820

Thunderstorm Wind, Butler

When: April 14, 2:40 PM CST
Where: Butler County
Coordinates: 40.770, -80.070

Thunderstorm Wind, Beaver

When: April 14, 2:40 PM CST
Where: Beaver County
Coordinates: 40.580, -80.330

Thunderstorm Wind, Washington

When: April 14, 2:40 PM CST
Where: Washington County
Coordinates: 40.180, -80.250

Thunderstorm Wind, Crawford

When: April 14, 2:40 PM CST
Where: Crawford County
Coordinates: 41.630, -79.680

Thunderstorm Wind, Greene

When: April 14, 2:45 PM CST
Where: Greene County
Coordinates: 39.730, -80.450

Thunderstorm Wind, Warren

When: April 14, 2:45 PM CST
Where: Warren County
Coordinates: 41.850, -79.330

Thunderstorm Wind, Allegheny

When: April 14, 2:47 PM CST
Where: Allegheny County
Measured: 50 kt (58 mph)
Coordinates: 40.500, -80.230

Hail, Allegheny

When: April 14, 2:50 PM CST
Where: Allegheny County
Measured: 0.75 in hail
Coordinates: 40.450, -80.130

Hail, Allegheny

When: April 14, 2:50 PM CST
Where: Allegheny County
Measured: 0.75 in hail
Coordinates: 40.550, -79.970

Thunderstorm Wind, Forest

When: April 14, 2:50 PM CST
Where: Forest County
Coordinates: 41.500, -79.470

Thunderstorm Wind, Greene

When: April 14, 2:50 PM CST
Where: Greene County
Coordinates: 39.900, -80.200

Thunderstorm Wind, Allegheny

When: April 14, 2:50 PM CST
Where: Allegheny County
Coordinates: 40.550, -79.970

Thunderstorm Wind, Butler

When: April 14, 2:50 PM CST
Where: Butler County
Coordinates: 40.780, -79.830

Thunderstorm Wind, Allegheny

When: April 14, 2:50 PM CST
Where: Allegheny County
Coordinates: 40.450, -80.130

Thunderstorm Wind, Clarion

When: April 14, 3:00 PM CST
Where: Clarion County
Coordinates: 41.220, -79.400

Thunderstorm Wind, Allegheny

When: April 14, 3:00 PM CST
Where: Allegheny County
Coordinates: 40.570, -79.770

Thunderstorm Wind, Warren

When: April 14, 3:00 PM CST
Where: Warren County
Coordinates: 41.700, -79.030

Thunderstorm Wind, Washington

When: April 14, 3:05 PM CST
Where: Washington County
Coordinates: 40.180, -79.870

Thunderstorm Wind, Fayette

When: April 14, 3:15 PM CST
Where: Fayette County
Coordinates: 39.900, -79.720

Thunderstorm Wind, McKean

When: April 14, 3:19 PM CST
Where: McKean County
Measured: 72 kt (83 mph)
Coordinates: 41.970, -78.650

Thunderstorm Wind, Westmoreland

When: April 14, 3:20 PM CST
Where: Westmoreland County
Measured: 80 kt (92 mph)
Coordinates: 40.280, -79.400

Thunderstorm Wind, McKean

When: April 14, 3:25 PM CST
Where: McKean County
Coordinates: 41.820, -78.450

Thunderstorm Wind, McKean

When: April 14, 3:25 PM CST
Where: McKean County
Coordinates: 41.980, -78.270

Thunderstorm Wind, Westmoreland

When: April 14, 3:30 PM CST
Where: Westmoreland County
Coordinates: 40.080, -79.350

Thunderstorm Wind, Armstrong

When: April 14, 3:32 PM CST
Where: Armstrong County
Coordinates: 40.670, -79.300

Thunderstorm Wind, Potter

When: April 14, 3:35 PM CST
Where: Potter County
Coordinates: 41.770, -78.020

Thunderstorm Wind, Jefferson

When: April 14, 3:43 PM CST
Where: Jefferson County
Coordinates: 40.950, -78.970

Thunderstorm Wind, Cambria

When: April 14, 3:43 PM CST
Where: Cambria County
Measured: 55 kt (63 mph)
Coordinates: 40.330, -78.920

Thunderstorm Wind, Potter

When: April 14, 3:45 PM CST
Where: Potter County
Coordinates: 42.000, -77.870

Thunderstorm Wind, Cambria

When: April 14, 4:00 PM CST
Where: Cambria County
Coordinates: 40.470, -78.580

Thunderstorm Wind, Potter

When: April 14, 4:00 PM CST
Where: Potter County
Coordinates: 41.480, -77.820

Thunderstorm Wind, Potter

When: April 14, 4:05 PM CST
Where: Potter County
Coordinates: 41.730, -77.650

Thunderstorm Wind, Tioga

When: April 14, 4:10 PM CST
Where: Tioga County
Coordinates: 41.920, -77.530

Thunderstorm Wind, Blair

When: April 14, 4:16 PM CST
Where: Blair County
Measured: 58 kt (67 mph)
Coordinates: 40.300, -78.320

Thunderstorm Wind, Tioga

When: April 14, 4:40 PM CST
Where: Tioga County
Coordinates: 41.730, -77.230

Thunderstorm Wind, Clinton

When: April 14, 4:40 PM CST
Where: Clinton County
Measured: 85 kt (98 mph)
Coordinates: 41.130, -77.420

Thunderstorm Wind,

When: April 14, 4:45 PM CST
Where: County
Coordinates: 40.380, -77.880

Thunderstorm Wind, Tioga

When: April 14, 4:45 PM CST
Where: Tioga County
Coordinates: 42.000, -77.120

Thunderstorm Wind, Lycoming

When: April 14, 4:50 PM CST
Where: Lycoming County
Coordinates: 41.500, -77.130

Thunderstorm Wind, Bradford

When: April 14, 5:05 PM CST
Where: Bradford County
Coordinates: 41.780, -76.800

Hail, Lycoming

When: April 14, 5:20 PM CST
Where: Lycoming County
Measured: 3 in hail
Coordinates: 41.230, -77.000

Hail, Lycoming

When: April 14, 5:25 PM CST
Where: Lycoming County
Measured: 2 in hail
Coordinates: 41.250, -76.920

Thunderstorm Wind, Bradford

When: April 14, 5:25 PM CST
Where: Bradford County
Coordinates: 41.770, -76.430

Tornado, Sullivan

When: April 14, 5:30 PM CST
Where: Sullivan County
Rating: F2
Path length: 12.8 mi
Path width: 100 yd
Property damage: $25,000
Coordinates: 41.420, -76.550

Thunderstorm Wind, Bradford

When: April 14, 6:00 PM CST
Where: Bradford County
Coordinates: 41.780, -76.130

Thunderstorm Wind, Susquehanna

When: April 14, 6:20 PM CST
Where: Susquehanna County
Coordinates: 41.930, -75.600

Hail, York

When: April 14, 7:30 PM CST
Where: York County
Measured: 1.5 in hail
Coordinates: 40.000, -76.850

Hail, York

When: April 14, 8:00 PM CST
Where: York County
Measured: 1 in hail
Coordinates: 40.070, -76.870

Thunderstorm Wind, Lancaster

When: April 14, 8:30 PM CST
Where: Lancaster County
Measured: 85 kt (98 mph)
Coordinates: 40.120, -76.300

Thunderstorm Wind, Lancaster

When: April 14, 8:30 PM CST
Where: Lancaster County
Coordinates: 40.100, -76.400

Thunderstorm Wind, Lancaster

When: April 14, 8:34 PM CST
Where: Lancaster County
Coordinates: 40.150, -76.250

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

Every storm in Pennsylvania in 1974 Every state in 1974 This day in weather history The tornado archive for Pennsylvania, 1974

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: 10116809, 10116810, 10116811, 10116812, 10116813, 10116814, 10116815, 10116816, 10116817, 10116818, 10116819, 10116820, 10116821, 10116822, 10116823, 10117661, 10117662, 10117663, 10117664, 10117665, 10117666, 10117667, 10117668, 10117669, 10117670, 10117671, 10117672, 10117673, 10117674, 10117675, 10117890, 10117891, 10117892, 10117893, 10117894, 10117895, 10117896, 10117897, 10117898, 10117899, and more.