Alert archive / Pennsylvania / Freeze Warnings / 2020
Freeze Warnings in Pennsylvania, May 2020
29 freeze warnings in May 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 freeze warnings reaches back to 2005.
Freeze Warnings by county
Each county as a circle sized by its count in May 2020. Tap one for its archive.
- Freeze Warnings
- 29
- Busiest day
- May 7, 20208 freeze warnings
Over time
By day
Days in UTC, the clock the archive keeps.
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 1:18 PM EDT | Freeze Warning | PBZ | Clarion, Forest, Jefferson, Venango | 19 hr |
| May 4, 3:36 PM EDT | Freeze Warning | CLE | Crawford, Erie | 15 hr |
| May 6, 1:01 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 20 hr |
| May 6, 9:57 PM EDT | Freeze Warning | CLE | Crawford | 11 hr |
| May 7, 1:13 PM EDT | Freeze Warning | PBZ | Clarion, Forest, Jefferson, Venango | 18 hr |
| May 7, 1:13 PM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 45 hr |
| May 7, 1:44 PM EDT | Freeze Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more | 44 hr |
| May 7, 2:33 PM EDT | Freeze Warning | CLE | Crawford, Erie | 18 hr |
| May 7, 2:33 PM EDT | Freeze Warning | CLE | Crawford, Erie | 43 hr |
| May 7, 3:11 PM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 44 hr |
| May 7, 3:46 PM EDT | Freeze Warning | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 41 hr |
| May 9, 3:17 AM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 28 hr |
| May 9, 3:46 AM EDT | Freeze Warning | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 29 hr |
| May 9, 5:04 AM EDT | Freeze Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more | 27 hr |
| May 9, 2:35 PM EDT | Freeze Warning | BGM | Lackawanna, Luzerne | 19 hr |
| May 9, 3:02 PM EDT | Freeze Warning | CLE | Crawford, Erie | 16 hr |
| May 11, 2:48 AM EDT | Freeze Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 30 hr |
| May 11, 2:53 AM EDT | Freeze Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 29 hr |
| May 11, 2:58 AM EDT | Freeze Warning | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 12 more | 30 hr |
| May 11, 3:24 AM EDT | Freeze Warning | PHI | Carbon, Monroe | 27 hr |
| May 11, 12:41 PM EDT | Freeze Warning | CLE | Crawford, Erie | 20 hr |
| May 12, 9:22 AM EDT | Freeze Warning | PHI | Carbon, Monroe, Northampton | 23 hr |
| May 12, 10:08 AM EDT | Freeze Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 23 hr |
| May 12, 10:20 AM EDT | Freeze Warning | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 12 more | 22 hr |
| May 12, 11:46 AM EDT | Freeze Warning | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Jefferson and 4 more | 21 hr |
| May 12, 12:22 PM EDT | Freeze Warning | CLE | Crawford, Erie | 21 hr |
| May 13, 10:23 AM EDT | Freeze Warning | BGM | Bradford, Lackawanna, Pike, Susquehanna, Wayne, Wyoming | 22 hr |
| May 13, 2:02 PM EDT | Freeze Warning | CTP | Sullivan, Tioga | 18 hr |
| May 13, 2:20 PM EDT | Freeze Warning | PHI | Carbon, Monroe | 18 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clarion County7
- Forest County7
- Jefferson County7
- Venango County7
- Crawford County7
- Erie County6
- Armstrong County5
- Butler County5
- Fayette County5
- Lawrence County5
- Mercer County5
- Westmoreland County5
- Lackawanna County5
- Carbon County5
- Monroe County5
- Allegheny County4
- Beaver County4
- Greene County4
- Washington County4
- Bedford County4
- Blair County4
- Cambria County4
- Centre County4
- Clearfield County4
- Clinton County4
- Columbia County4
- Lycoming County4
- Montour County4
- Northumberland County4
- Schuylkill County4
- Snyder County4
- Somerset County4
- Union County4
- Luzerne County4
- Northampton County3
- Bradford County3
- Pike County3
- Susquehanna County3
- Wayne County3
- Wyoming County3
21 more counties
- Sullivan County3
- Tioga County3
- Adams County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Fulton County2
- Huntingdon County2
- Juniata County2
- Lancaster County2
- Lebanon County2
- Mifflin County2
- Perry County2
- York County2
- Berks County2
- Bucks County2
- Chester County2
- Lehigh County2
- Montgomery County2
- Cameron County2
- Warren County2
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.