Alert archive / Pennsylvania

Winter Weather Advisories in Pennsylvania

1,714 winter weather advisories 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 weather advisories reaches back to 2005.

Winter Weather Advisories by county

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

Winter Weather Advisories
1,714
Busiest year
2019122 winter weather advisories
Average year
78over 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 weather advisories

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
Mar 16, 1:46 PM EDTWinter Weather AdvisoryCLECrawford, Erie39 hr
Mar 16, 1:35 PM EDTWinter Weather AdvisoryBGMBradford, Susquehanna, Wyoming14 hr
Mar 16, 3:33 AM EDTWinter Weather AdvisoryCTPBlair, Cambria, Cameron, Centre, Clearfield, Clinton and 10 more37 hr
Mar 16, 2:13 AM EDTWinter Weather AdvisoryPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more39 hr
Mar 5, 1:25 PM ESTWinter Weather AdvisoryPHIMonroe21 hr
Mar 5, 1:09 AM ESTWinter Weather AdvisoryBGMPike, Wayne33 hr
Mar 3, 12:13 AM ESTWinter Weather AdvisoryCLECrawford, Erie10 hr
Mar 2, 12:02 PM ESTWinter Weather AdvisoryBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more39 hr
Mar 2, 11:44 AM ESTWinter Weather AdvisoryPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more34 hr
Mar 2, 2:10 AM ESTWinter Weather AdvisoryPBZArmstrong, Butler, Clarion, Fayette, Forest, Indiana and 5 more32 hr
Mar 2, 2:01 AM ESTWinter Weather AdvisoryCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more38 hr
Feb 24, 3:24 AM ESTWinter Weather AdvisoryCLECrawford, Erie25 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.