Alert archive / Pennsylvania / Freeze Watches
Freeze Watches in Pennsylvania, 2021
13 freeze watches in 2021. 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 watches reaches back to 2005.
Freeze Watches by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Freeze Watches
- 13
- Busiest month
- April9 freeze watches
- Busiest day
- April 21, 20213 freeze watches
Over time
By month
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 |
|---|---|---|---|---|
| Apr 20, 7:01 AM EDT | Freeze Watch | PBZ | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 19 hr |
| Apr 20, 8:48 PM EDT | Freeze Watch | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 7 hr |
| Apr 21, 2:11 AM EDT | Freeze Watch | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 10 more | 5 hr |
| Apr 21, 1:25 PM EDT | Freeze Watch | PBZ | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 13 hr |
| Apr 22, 8:58 AM EDT | Freeze Watch | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 6 hr |
| Apr 22, 9:16 AM EDT | Freeze Watch | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 10 more | 4 hr |
| Apr 29, 2:33 PM EDT | Freeze Watch | CTP | Cambria, Centre, Clearfield, Somerset, Warren | 24 hr |
| Apr 29, 2:46 PM EDT | Freeze Watch | CLE | Crawford, Erie | 24 hr |
| Apr 30, 12:59 AM EDT | Freeze Watch | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Jefferson and 4 more | 12 hr |
| May 11, 3:13 AM EDT | Freeze Watch | PBZ | Fayette | 9 hr |
| May 11, 2:58 PM EDT | Freeze Watch | CTP | Cambria, Somerset | 3 hr |
| Nov 1, 4:23 AM EDT | Freeze Watch | CTP | Adams, Clinton, Columbia, Cumberland, Dauphin, Franklin and 14 more | 22 hr |
| Nov 1, 2:25 PM EDT | Freeze Watch | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 13 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fayette County4
- Westmoreland County3
- Berks County3
- Bucks County3
- Lehigh County3
- Montgomery County3
- Northampton County3
- Adams County3
- Cumberland County3
- Dauphin County3
- Franklin County3
- Fulton County3
- Huntingdon County3
- Juniata County3
- Lancaster County3
- Lebanon County3
- Mifflin County3
- Montour County3
- Northumberland County3
- Perry County3
- Snyder County3
- Union County3
- York County3
- Allegheny County2
- Beaver County2
- Greene County2
- Washington County2
- Chester County2
- Cambria County2
- Somerset County2
- Centre County1
- Clearfield County1
- Warren County1
- Crawford County1
- Erie County1
- Armstrong County1
- Butler County1
- Clarion County1
- Forest County1
- Jefferson County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.