Alert archive / Pennsylvania / Winter Storm Watches

Winter Storm Watches in Pennsylvania, 2020

10 winter storm watches in 2020. 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 in 2020. Tap one for its archive.

Winter Storm Watches
10
Busiest month
December8 winter storm watches
Busiest day
December 14, 20204 winter storm watches

Over time

By month

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
Feb 25, 2:41 PM ESTWinter Storm WatchCLECrawford, Erie23 hr
Nov 29, 3:18 PM ESTWinter Storm WatchCLECrawford, Erie12 hr
Dec 13, 7:15 PM ESTWinter Storm WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more44 hr
Dec 14, 3:42 AM ESTWinter Storm WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more48 hr
Dec 14, 4:35 AM ESTWinter Storm WatchPBZFayette, Westmoreland23 hr
Dec 14, 4:44 AM ESTWinter Storm WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 25 more34 hr
Dec 15, 3:46 AM ESTWinter Storm WatchPBZAllegheny, Armstrong, Butler, Fayette, Greene, Jefferson and 2 more9 hr
Dec 22, 2:38 PM ESTWinter Storm WatchCLECrawford, Erie24 hr
Dec 23, 3:48 AM ESTWinter Storm WatchCTPSomerset, Warren30 hr
Dec 23, 4:01 AM ESTWinter Storm WatchPBZFayette, Westmoreland24 hr

By county

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

19 more counties

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.