Pennsylvania

Storm History: Philadelphia County, Pennsylvania

1,121 episodes, 1,397 events since 1958

Every storm the National Weather Service has filed in Philadelphia County, Pennsylvania: floods, hail, damaging wind, tornadoes, winter storms, heat and the rest, with the most serious on record. Events filed by forecast zone count for every county the zone covers.

The record

Events
1,397
Deaths
392
Injuries
463
Damage
$153 million
Episodes
1,121

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

Open the live radar over Philadelphia County

Every year

From 1996 the record holds 48 kinds of event with each office’s narrative; before that, tornadoes, hail and thunderstorm wind only, and before 1955 tornadoes alone.

By kind of event

Counted under the kind that heads each episode.

Kind of eventEventsDeathsInjuriesDamage
Thunderstorm Wind191218$400,000
Flash Flood18661$125 million
Hail144012$5.1 million
Winter Weather97322
Heat91260249
Flood8430$5.5 million
Strong Wind8203$265,000
Winter Storm73573$6.5 million
Tornado61028$4.5 million
High Wind5431$769,000
Drought4600
Excessive Heat468650$25,000
Dense Fog4100
Heavy Snow3604
Coastal Flood3600$100,000
Heavy Rain3400
Astronomical Low Tide2500
Cold/Wind Chill17120
Storm Surge/Tide1601$3.0 million
Extreme Cold/Wind Chill1560$250,000
Lightning600$10,000
Tropical Storm600$110,000
Blizzard360$1.0 million
Ice Storm301
Sleet200
Wildfire100
Frost/Freeze100

The deadliest

The costliest

Damage within this county, in the dollars of its year.

The largest hail

The largest stone in each episode, which may have fallen in a neighboring county of the same episode.

The strongest tornadoes

Every tornado in Philadelphia County, with its track

Every episode, newest first

Earlier years, state by state:

More

Tornadoes in Philadelphia CountyEvery warning in Philadelphia County since 1986Every county in Pennsylvania

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.