Tornado Risk by County in Pennsylvania
Pennsylvania: 67 counties covered
11 of 67 Pennsylvania counties have recorded at least one violent (EF4-5) tornado since 1950, per NOAA's Storm Prediction Center. Every county page below links to storm-shelter cost and, where one exists, its state rebate program.
- Philadelphia County
- Allegheny County
- Montgomery County
- Bucks County
- Delaware County
- Lancaster County
- Chester County
- York County
- Berks County
- Lehigh County
- Westmoreland County
- Luzerne County
- Northampton County
- Dauphin County
- Cumberland County
- Erie County
- Lackawanna County
- Washington County
- Butler County
- Monroe County
- Beaver County
- Centre County
- Franklin County
- Lebanon County
- Schuylkill County
- Cambria County
- Fayette County
- Blair County
- Lycoming County
- Mercer County
- Adams County
- Northumberland County
- Lawrence County
- Indiana County
- Crawford County
- Clearfield County
- Somerset County
- Columbia County
- Carbon County
- Armstrong County
- Pike County
- Bradford County
- Wayne County
- Venango County
- Bedford County
- Perry County
- Mifflin County
- Jefferson County
- Huntingdon County
- Union County
- Tioga County
- Snyder County
- McKean County
- Susquehanna County
- Clinton County
- Warren County
- Clarion County
- Greene County
- Elk County
- Wyoming County
- Juniata County
- Montour County
- Potter County
- Fulton County
- Forest County
- Sullivan County
- Cameron County