Freeze Warnings in Pennsylvania
421 freeze 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Freeze Warnings
- 421
- Busiest year
- 201272 freeze warnings
- Average year
- 19over 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.
- Forest County64
- Jefferson County63
- Lycoming County58
- Berks County57
- Clarion County57
- Clinton County57
- Venango County57
- Adams County56
- Centre County55
- Crawford County55
- York County54
- Fayette County54
- Westmoreland County54
- Butler County53
- Armstrong County52
- Cumberland County52
- Erie County52
- Franklin County52
- Mercer County52
- Lawrence County51
- Clearfield County50
- Lancaster County50
- Lehigh County49
- Northampton County49
- Somerset County49
- Snyder County48
- Montgomery County48
- Dauphin County47
- Lebanon County47
- McKean County47
- Union County47
- Northumberland County46
- Cambria County45
- Montour County45
- Elk County44
- Bucks County44
- Cameron County43
- Huntingdon County43
- Mifflin County43
- Greene County42
27 more counties
- Chester County42
- Beaver County41
- Fulton County41
- Juniata County41
- Warren County41
- Carbon County39
- Monroe County39
- Potter County39
- Washington County39
- Allegheny County38
- Columbia County38
- Bedford County37
- Blair County37
- Perry County37
- Tioga County37
- Lackawanna County37
- Luzerne County35
- Schuylkill County34
- Sullivan County33
- Delaware County26
- Bradford County23
- Philadelphia County22
- Susquehanna County21
- Wayne County21
- Wyoming County17
- Pike County16
- Indiana County16
The latest freeze warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 1:36 PM EDT | Freeze Warning | BGM | Bradford, Susquehanna, Wayne | 19 hr |
| May 11, 12:58 PM EDT | Freeze Warning | CLE | Crawford, Erie | 19 hr |
| May 11, 12:45 PM EDT | Freeze Warning | PBZ | Armstrong, Butler, Clarion, Forest, Indiana, Jefferson and 3 more | 19 hr |
| May 11, 12:37 PM EDT | Freeze Warning | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 19 hr |
| May 10, 7:51 PM EDT | Freeze Warning | CTP | McKean, Potter | 12 hr |
| May 2, 1:21 PM EDT | Freeze Warning | CLE | Crawford, Erie | 20 hr |
| May 2, 1:15 PM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 17 hr |
| May 2, 12:42 PM EDT | Freeze Warning | PHI | Carbon, Monroe | 18 hr |
| May 2, 12:27 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 21 hr |
| May 2, 12:14 PM EDT | Freeze Warning | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 12 more | 21 hr |
| May 1, 1:53 PM EDT | Freeze Warning | CLE | Crawford, Erie | 19 hr |
| May 1, 12:56 PM EDT | Freeze Warning | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 5 more | 20 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. Rebuilt daily.