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.
LightningOctober 4, 2000
Cumberland · 1 killed ·
LightningJuly 16, 2000
Chester · 1 killed ·
HeatJune 10, 2000
Philadelphia · 1 killed ·
HeatJuly 23, 1999
Delaware · 1 killed ·
HeatJuly 4, 1999
Lehigh · 1 killed ·
HeatJuly 4, 1999
Northampton · 1 killed ·
HeatJuly 4, 1999
Montgomery · 1 killed · 5 injured ·
HeatJune 27, 1999
Montgomery · 1 killed ·
Winter WeatherJanuary 8, 1999
Lehigh · 1 killed ·
Winter StormJanuary 2, 1999
Monroe · 1 killed ·
Thunderstorm WindAugust 10, 1998
York · 1 killed ·
HeatJune 25, 1998
Montgomery · 1 killed ·
HeatJune 20, 1998
Philadelphia · 1 killed ·
LightningMay 25, 1998
Berks · 1 killed ·
Flash FloodNovember 7, 1997
Huntingdon · 1 killed ·
Tornado (F1)August 16, 1997
Sullivan · 1 killed ·
HeatJuly 27, 1997
Montgomery · 1 killed ·
LightningJuly 18, 1997
Luzerne · 1 killed ·
HeatJuly 13, 1997
Delaware · 1 killed ·
HeatJune 24, 1997
Montgomery · 1 killed ·
Heavy RainMay 25, 1997
Chester · 1 killed ·
Heavy RainMay 19, 1997
Armstrong · 1 killed · 2 injured ·
Flash FloodMay 19, 1997
Washington · 1 killed ·
High WindMay 3, 1997
Franklin · 1 killed ·
High WindMarch 6, 1997
Montgomery · 1 killed ·
Flash FloodSeptember 6, 1996
Perry · 1 killed ·
Flash FloodSeptember 6, 1996
Cumberland · 1 killed ·
Flash FloodJuly 19, 1996
Bedford · 1 killed ·
Flash FloodJune 19, 1996
Allegheny · 1 killed ·
HeatMay 19, 1996
Philadelphia · 1 killed ·
FloodJanuary 28, 1996
Bucks · 1 killed ·
Flash FloodJanuary 19, 1996
Snyder · 1 killed ·
Flash FloodJanuary 19, 1996
Cumberland · 1 killed ·
Flash FloodJanuary 19, 1996
Blair · 1 killed ·
Flash FloodJanuary 19, 1996
Bedford · 1 killed ·
Heavy SnowJanuary 12, 1996
Montgomery · 1 killed ·
Flash FloodSeptember 18, 2004
Luzerne · $100.0M damage
Flash FloodJuly 19, 1996
Jefferson · $100.0M damage
Flash FloodSeptember 1, 2021
Philadelphia · $60.0M damage
Flash FloodJune 27, 2006
Wyoming · $60.0M 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.