Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2025

Severe Thunderstorm Warnings in Pennsylvania, August 2025

14 severe thunderstorm warnings in August 2025. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

Each county as a circle sized by its count in August 2025. Tap one for its archive.

Severe Thunderstorm Warnings
14
Busiest day
August 17, 20257 severe thunderstorm warnings

Over time

By day

Days in UTC, the clock the archive keeps.

The alerts

Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Aug 13, 3:32 PM EDTSevere Thunderstorm WarningCTPLancaster, Lebanon43 min
Aug 13, 4:49 PM EDTSevere Thunderstorm WarningPHIBucks, Lehigh, Northampton41 min
Aug 13, 6:26 PM EDTSevere Thunderstorm WarningPHIChester, Delaware49 min
Aug 16, 1:38 PM EDTSevere Thunderstorm WarningCTPCumberland, Franklin, Perry37 min
Aug 17, 6:19 AM EDTSevere Thunderstorm WarningCLEErie41 min
Aug 17, 1:53 PM EDTSevere Thunderstorm Warning Considerable damage threatPBZWestmoreland37 min
Aug 17, 2:00 PM EDTSevere Thunderstorm WarningCTPCambria, Somerset60 min
Aug 17, 2:46 PM EDTSevere Thunderstorm WarningPBZFayette44 min
Aug 17, 4:21 PM EDTSevere Thunderstorm WarningCTPLancaster54 min
Aug 17, 4:45 PM EDTSevere Thunderstorm WarningPBZFayette, Greene31 min
Aug 17, 5:14 PM EDTSevere Thunderstorm WarningCTPLancaster46 min
Aug 24, 4:45 PM EDTSevere Thunderstorm WarningCTPLycoming45 min
Aug 24, 7:17 PM EDTSevere Thunderstorm WarningPBZWestmoreland43 min
Aug 24, 10:16 PM EDTSevere Thunderstorm WarningCTPCentre, Clinton, Lycoming, Union44 min

By county

Every county with at least one alert. A county page lists each alert that covered it.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20242026

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.