Pennsylvania Storm & Severe Weather History
Since 1996, Pennsylvania has logged 48,588 severe-weather events — about 1,567 a year — with 676 direct deaths, 1,883 injuries and $3.6B in reported property damage.
By event type
Thunderstorm Wind19,22831 d$270.2M
Flash Flood4,72773 d$2.0B
Hail4,638—$7.9M
Winter Weather3,47014 d$2.6M
Heavy Snow2,4524 d$32.3M
Winter Storm2,44712 d$80.1M
Flood2,20129 d$837.4M
High Wind1,62816 d$108.8M
Strong Wind1,25910 d$8.4M
Drought802——
Heat700318 d—
Tornado5777 d$183.9M
Ice Storm568—$1.4M
Heavy Rain5672 d$1K
Extreme Cold/Wind Chill5616 d$960K
Lightning55226 d$17.5M
Events by year
19962026
Notable events (400)
Events with deaths, major damage, or a strong tornado — deadliest first.
Flash FloodJune 27, 2006
Lackawanna · $50.0M damage
FloodSeptember 17, 2004
Warren · $50.0M damage
Flash FloodJuly 19, 1996
Venango · $50.0M damage
Tornado (F1)July 21, 2003
Mckean · $45.7M damage
FloodSeptember 8, 2011
Luzerne · $43.5M damage
Thunderstorm WindJune 30, 1998
Allegheny · 10 injured · $41.0M damage
Flash FloodSeptember 1, 2021
Philadelphia · $40.0M damage
FloodApril 3, 2005
Bucks · $40.0M damage
FloodApril 2, 2005
Northampton · $40.0M damage
FloodApril 2, 2005
Monroe · $40.0M damage
FloodJune 28, 2006
Bucks · $30.0M damage
Flash FloodOctober 21, 2016
Lycoming · $26.0M damage
Flash FloodSeptember 1, 2021
Bucks · $25.0M damage
Flash FloodSeptember 1, 2021
Northampton · $25.0M damage
Flash FloodSeptember 1, 2021
Northampton · $25.0M damage
Flash FloodJune 27, 2006
Bradford · $25.0M damage
Flash FloodAugust 20, 1999
Mckean · 1 injured · $25.0M damage
FloodJanuary 19, 1996
Monroe · $25.0M damage
FloodSeptember 18, 2004
Bucks · $24.0M damage
Flash FloodAugust 28, 2011
Wyoming · $23.0M damage
Flash FloodJanuary 19, 1996
Pike · $23.0M damage
FloodJune 27, 2006
Montgomery · $22.0M damage
Flash FloodSeptember 16, 1999
Bucks · 15 injured · $22.0M damage
Flash FloodJanuary 19, 1996
Luzerne · $21.3M damage
Flash FloodJanuary 19, 1996
Bradford · $21.1M damage
Flash FloodJanuary 19, 1996
Wyoming · $20.1M damage
Flash FloodSeptember 1, 2021
Montgomery · $20.0M damage
Flash FloodSeptember 1, 2021
Lehigh · $20.0M damage
Flash FloodSeptember 1, 2021
Montgomery · $20.0M damage
FloodSeptember 7, 2011
Wyoming · $20.0M damage
Flash FloodSeptember 18, 2004
Lackawanna · $20.0M damage
Flash FloodSeptember 17, 2004
Bradford · $20.0M damage
Flash FloodJanuary 19, 1996
Lackawanna · $19.5M damage
Flash FloodAugust 1, 2004
Philadelphia · $18.0M damage
Tornado (F3)July 14, 2004
Lebanon · $18.0M damage
Flash FloodJanuary 19, 1996
Wayne · $17.9M damage
FloodJune 27, 2006
Berks · $17.7M damage
FloodSeptember 7, 2011
Columbia · $15.5M damage
FloodSeptember 7, 2011
Bradford · $15.3M damage
Flash FloodSeptember 1, 2021
Delaware · $15.0M damage
Source: NOAA/NCEI Storm Events Database. Counts are every logged event since 1996; the "notable" list is filtered to events with fatalities, major damage or a strong tornado. Damage is the reporting office's estimate. A record of past weather is not a forecast. See About the Data.