Alert archive / Pennsylvania

Extreme Cold Watches in Pennsylvania

13 extreme cold 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 extreme cold watches reaches back to 2005.

Extreme Cold Watches by county

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

Extreme Cold Watches
13
Busiest year
202610 extreme cold watches
Average year
7over 2 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 extreme cold watches

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Feb 5, 12:15 PM ESTExtreme Cold WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more13 hr
Feb 5, 2:09 AM ESTExtreme Cold WatchPBZArmstrong, Butler, Clarion, Fayette, Forest, Indiana and 4 more10 hr
Feb 5, 2:02 AM ESTExtreme Cold WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more24 hr
Feb 5, 1:12 AM ESTExtreme Cold WatchCLECrawford, Erie12 hr
Feb 5, 12:49 AM ESTExtreme Cold WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more24 hr
Jan 30, 12:37 PM ESTExtreme Cold WatchCTPSomerset13 hr
Jan 25, 12:17 PM ESTExtreme Cold WatchCTPCambria, Clearfield, Somerset14 hr
Jan 25, 12:05 PM ESTExtreme Cold WatchCLECrawford, Erie12 hr
Jan 25, 11:57 AM ESTExtreme Cold WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more12 hr
Jan 22, 12:09 PM ESTExtreme Cold WatchCTPCambria, Somerset15 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.