Pennsylvania tornado history

990 tornadoes in Pennsylvania from 1950 to 2025, killing 95 people. Choose a county to see every track on a map.

Westmoreland County50Crawford County40Lancaster County39York County34Chester County31Berks County29Lycoming County29Allegheny County28Bucks County28Butler County28Beaver County24Mercer County24Erie County23Cambria County22Washington County22Bradford County21Dauphin County21Fayette County20Indiana County20Luzerne County20Montgomery County20Lebanon County19Warren County18Adams County17Cumberland County17Elk County16Jefferson County16Lehigh County16Schuylkill County16Somerset County16Clarion County15Franklin County15Monroe County15Centre County14Northumberland County14Bedford County13Northampton County13Sullivan County13Susquehanna County13Venango County13Lackawanna County12Lawrence County12Potter County12Union County12Armstrong County11Philadelphia County11Clinton County10Forest County10Greene County10Huntingdon County10Snyder County10Wayne County10Columbia County9Clearfield County8Pike County8Wyoming County8Juniata County7Tioga County7Delaware County6Fulton County6Perry County6McKean County5Mifflin County5Blair County4Carbon County4Montour County4Cameron County2

By decade

’50’60’70’80’90’00’10’20

Deadliest tornadoes in Pennsylvania

DateRatingPathWidthInjuredKilled
May 31, 1985F547 mi450 yd31018
May 31, 1985F456.2 mi350 yd12516
May 31, 1985F414 mi400 yd8212
May 31, 1985F339 mi243 yd1209
May 31, 1985F429 mi800 yd307
May 31, 1985F319 mi910 yd606
May 31, 1985F429 mi1,000 yd404
Jul 27, 1994F32 mi100 yd253
Aug 3, 1963F30.1 mi10 yd702
May 31, 1985F323 mi277 yd02