Pennsylvania Tornado Statistics
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Widest Pennsylvania Tornadoes
Width (yards) Date County Rating
3,330 5/31/1985 Clearfield, Clinton, Centre, Lycoming 4
1,760 7/2/1970 Lancaster 2
1,230 11/20/1989 Huntingdon 2
1,200 6/2/1998 Somerset 4
1,200 4/1/1998 Montour 0
1,000 5/31/1985 Warren, Mckean, Elk 4
910 5/31/1985 Lycoming, Union, Northumberland 3
900 7/21/2003 Lycoming 1
880 6/2/1998 Somerset, Garrett (MD), Allegany (MD) 2
880 5/31/1998 Somerset 3
880 5/31/1998 Lancaster 2
880 7/18/1997 Lycoming 1
880 6/18/1970 Lebanon, Berks 3
880 7/19/1996 Blair 1
Longest Pennsylvania Tornadoes
Length (miles) Date County Rating
69.0 5/31/1985 Clearfield, Clinton, Centre, Lycoming 4
56.2* 5/31/1985 Trumbull (OH), Mercer, Crawford, Venango, Forest 4
47.0* 5/31/1985 Portage (OH), Trumball (OH), Mercer 5
45.3 6/4/1975 Beaver, Allegheny, Westmoreland 2
39.0 5/31/1985 Beaver, Butler 3
38.0 5/22/1983 Allegheny, Westmoreland, Indiana 2
36.5* 6/2/1998 Somerset, Garrett (MD), Allegany (MD) 4
33.4* 6/22/1985 Ashtabula (OH), Crawford 2
32.0 6/2/1998 Allegheny, Westmoreland 1
29.3 6/2/1971 Erie, Warren 3
*Tornado path not entirely in Pennsylvania

Lines on the maps DO NOT indicate exact paths or path widths.

Maps made using QGIS. 1950-2018 tornado data comes from SPC Database. More recent data is compiled from Tornado reports (Public Information Statements).

Additional sources: Land Area | Census Data