Alert archive / Pennsylvania

Winter Storm Watches in Pennsylvania

493 winter storm watches since 1986. 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 winter storm watches reaches back to 2005.

Winter Storm Watches by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Winter Storm Watches
493
Busiest year
200835 winter storm watches
Average year
22over 22 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By county

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

27 more counties

The latest winter storm watches

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Mar 16, 2:28 AM EDTWinter Storm WatchCLEErie11 hr
Feb 21, 1:43 PM ESTWinter Storm WatchCTPBedford, Blair, Centre, Clearfield, Columbia, Franklin and 9 more9 hr
Feb 21, 1:01 PM ESTWinter Storm WatchCLEErie24 hr
Feb 21, 2:39 AM ESTWinter Storm WatchBGMLackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming21 hr
Feb 20, 1:50 PM ESTWinter Storm WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more24 hr
Feb 20, 1:40 PM ESTWinter Storm WatchCTPAdams, Cambria, Cumberland, Dauphin, Lancaster, Lebanon and 4 more24 hr
Feb 20, 11:31 AM ESTWinter Storm WatchPBZFayette, Westmoreland24 hr
Feb 4, 12:32 PM ESTWinter Storm WatchCTPCambria, Somerset24 hr
Feb 4, 11:52 AM ESTWinter Storm WatchPBZFayette, Indiana, Westmoreland25 hr
Jan 22, 2:12 AM ESTWinter Storm WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more34 hr
Jan 22, 2:09 AM ESTWinter Storm WatchCLECrawford, Erie46 hr
Jan 22, 2:06 AM ESTWinter Storm WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more32 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.