Winter Storm Warnings in Pennsylvania
494 winter storm warnings 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 warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Winter Storm Warnings
- 494
- Busiest year
- 201140 winter storm warnings
- 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.
- Somerset County89
- Erie County78
- Monroe County78
- Carbon County74
- Cambria County67
- Wayne County63
- Crawford County62
- Fayette County62
- Northampton County61
- Lehigh County60
- Westmoreland County58
- Berks County56
- Pike County56
- Bedford County55
- Lycoming County54
- Schuylkill County54
- Fulton County53
- Sullivan County53
- Susquehanna County53
- Delaware County52
- Franklin County52
- Lebanon County51
- Philadelphia County51
- Potter County51
- Bradford County51
- Centre County50
- Clinton County50
- Tioga County50
- Cumberland County49
- Dauphin County49
- Lancaster County49
- York County49
- Adams County48
- Perry County47
- Wyoming County46
- Blair County45
- Huntingdon County45
- McKean County45
- Clearfield County44
- Columbia County44
27 more counties
- Lackawanna County44
- Warren County44
- Montgomery County44
- Luzerne County43
- Bucks County43
- Cameron County42
- Forest County42
- Juniata County42
- Mifflin County42
- Venango County42
- Clarion County41
- Mercer County41
- Northumberland County41
- Jefferson County40
- Montour County40
- Snyder County40
- Union County40
- Chester County39
- Elk County38
- Lawrence County32
- Butler County31
- Allegheny County30
- Armstrong County29
- Beaver County29
- Washington County28
- Greene County20
- Indiana County6
The latest winter storm warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 1:46 PM EDT | Winter Storm Warning | CLE | Erie | 39 hr |
| Feb 22, 1:00 PM EST | Winter Storm Warning | CLE | Erie | 30 hr |
| Feb 21, 1:43 PM EST | Winter Storm Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 17 more | 67 hr |
| Feb 21, 1:11 PM EST | Winter Storm Warning | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 43 hr |
| Feb 21, 12:00 PM EST | Winter Storm Warning | PBZ | Fayette, Indiana, Westmoreland | 61 hr |
| Feb 21, 3:27 AM EST | Winter Storm Warning | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 58 hr |
| Jan 23, 12:38 PM EST | Winter Storm Warning | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 60 hr |
| Jan 23, 12:12 PM EST | Winter Storm Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 61 hr |
| Jan 23, 10:20 AM EST | Winter Storm Warning | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 64 hr |
| Jan 23, 1:12 AM EST | Winter Storm Warning | CLE | Crawford, Erie | 3 days |
| Jan 23, 12:53 AM EST | Winter Storm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 3 days |
Nearby
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. Rebuilt daily.