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.
BlizzardJanuary 7, 1996
Delaware · 1 killed · $1.4M damage
High WindSeptember 14, 2008
Venango · 1 killed · $1.0M damage
Tornado (F2)November 10, 2002
Mercer · 1 killed · 19 injured · $1.0M damage
FloodOctober 1, 2010
Montgomery · 1 killed · $750K damage
High WindOctober 29, 2012
Susquehanna · 1 killed · $200K damage
Tropical StormAugust 28, 2011
Monroe · 1 killed · $175K damage
Thunderstorm WindJune 6, 2010
Erie · 1 killed · $150K damage
Thunderstorm WindJune 29, 2008
Westmoreland · 1 killed · $150K damage
Thunderstorm WindJuly 9, 1999
Warren · 1 killed · 2 injured · $150K damage
FloodAugust 28, 2011
Montgomery · 1 killed · $100K damage
High WindNovember 13, 2003
Lehigh · 1 killed · $100K damage
Thunderstorm WindMay 12, 2002
Westmoreland · 1 killed · 2 injured · $100K damage
Heavy SnowJanuary 2, 1996
Crawford · 1 killed · $100K damage
Strong WindFebruary 10, 2008
Berks · 1 killed · 1 injured · $50K damage
Thunderstorm WindAugust 13, 1999
Cambria · 1 killed · 1 injured · $50K damage
Thunderstorm WindAugust 16, 1997
Wayne · 1 killed · $45K damage
Strong WindMarch 11, 2024
Cumberland · 1 killed · $40K damage
Thunderstorm WindOctober 20, 2016
Clinton · 1 killed · $25K damage
Strong WindAugust 28, 2011
Dauphin · 1 killed · 1 injured · $25K damage
Excessive HeatJune 8, 2011
Philadelphia · 1 killed · $25K damage
FloodApril 13, 2004
Fayette · 1 killed · $25K damage
Strong WindFebruary 2, 2015
Delaware · 1 killed · $20K damage
Strong WindDecember 1, 2004
Montgomery · 1 killed · $20K damage
Strong WindMarch 14, 2021
Cumberland · 1 killed · $15K damage
High WindDecember 12, 2000
Warren · 1 killed · 2 injured · $14K damage
FloodDecember 18, 2023
Lancaster · 1 killed · $10K damage
Thunderstorm WindJuly 24, 2022
Venango · 1 killed · $10K damage
Thunderstorm WindJune 12, 2015
Butler · 1 killed · $10K damage
Thunderstorm WindJuly 26, 2012
Potter · 1 killed · 1 injured · $10K damage
Thunderstorm WindJune 10, 1999
Crawford · 1 killed · 1 injured · $10K damage
Thunderstorm WindAugust 25, 2011
Somerset · 1 killed · $5K damage
High WindDecember 1, 2006
Southern Lycoming · 1 killed · $5K damage
Flash FloodAugust 4, 2020
Montgomery · 1 killed · $4K damage
Flash FloodAugust 4, 2020
Lehigh · 1 killed · $3K damage
Thunderstorm WindJune 23, 2015
Warren · 1 killed · 4 injured · $3K damage
Thunderstorm WindSeptember 7, 2023
Susquehanna · 1 killed · $1K damage
Winter WeatherNovember 17, 2025
Luzerne · 1 killed ·
Thunderstorm WindJuly 1, 2025
Lancaster · 1 killed ·
Thunderstorm WindApril 29, 2025
Greene · 1 killed · 1 injured ·
High WindFebruary 16, 2025
Philadelphia · 1 killed ·
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.