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.
- Somerset County303
- Cambria County291
- McKean County249
- Clearfield County247
- Elk County246
- Erie County244
- Fayette County242
- Wayne County241
- Westmoreland County240
- Warren County229
- Potter County223
- Cameron County221
- Clinton County219
- Centre County216
- Monroe County213
- Carbon County212
- Lycoming County212
- Jefferson County206
- Tioga County206
- Pike County205
- Forest County199
- Sullivan County199
- Clarion County196
- Crawford County195
- Susquehanna County195
- Venango County188
- Bradford County187
- Blair County186
- Schuylkill County186
- Lackawanna County184
- Mercer County181
- Armstrong County178
- Butler County178
- Luzerne County178
- Huntingdon County177
- Northampton County175
- Columbia County173
- Wyoming County172
- Bedford County171
- Mifflin County170
27 more counties
- Union County170
- Lehigh County169
- Snyder County168
- Northumberland County167
- Juniata County164
- Lawrence County162
- Montour County161
- Fulton County159
- Dauphin County158
- Lebanon County157
- Perry County157
- Berks County156
- Lancaster County155
- Allegheny County154
- York County154
- Cumberland County153
- Franklin County152
- Adams County150
- Beaver County149
- Washington County142
- Greene County141
- Philadelphia County130
- Delaware County128
- Bucks County127
- Montgomery County124
- Chester County119
- Indiana County46
The latest winter weather advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 1:46 PM EDT | Winter Weather Advisory | CLE | Crawford, Erie | 39 hr |
| Mar 16, 1:35 PM EDT | Winter Weather Advisory | BGM | Bradford, Susquehanna, Wyoming | 14 hr |
| Mar 16, 3:33 AM EDT | Winter Weather Advisory | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 10 more | 37 hr |
| Mar 16, 2:13 AM EDT | Winter Weather Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 39 hr |
| Mar 5, 1:25 PM EST | Winter Weather Advisory | PHI | Monroe | 21 hr |
| Mar 5, 1:09 AM EST | Winter Weather Advisory | BGM | Pike, Wayne | 33 hr |
| Mar 3, 12:13 AM EST | Winter Weather Advisory | CLE | Crawford, Erie | 10 hr |
| Mar 2, 12:02 PM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 39 hr |
| Mar 2, 11:44 AM EST | Winter Weather Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 34 hr |
| Mar 2, 2:10 AM EST | Winter Weather Advisory | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Indiana and 5 more | 32 hr |
| Mar 2, 2:01 AM EST | Winter Weather Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 38 hr |
| Feb 24, 3:24 AM EST | Winter Weather Advisory | CLE | Crawford, Erie | 25 hr |
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. Warning verification from the Mesonet's Cow. Rebuilt daily.