Alert archive / Pennsylvania / Frost Advisories
Frost Advisories in Pennsylvania, 2025
44 frost advisories in 2025. 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2025. Tap one for its archive.
- Frost Advisories
- 44
- Busiest month
- October26 frost advisories
- Busiest day
- May 19, 20254 frost advisories
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 16, 3:00 AM EDT | Frost Advisory | PBZ | Fayette, Greene, Washington | 30 hr |
| Apr 16, 3:38 AM EDT | Frost Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 10 more | 29 hr |
| Apr 16, 9:40 AM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia | 21 hr |
| May 9, 2:19 AM EDT | Frost Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 30 hr |
| May 9, 2:38 AM EDT | Frost Advisory | CLE | Crawford, Erie | 29 hr |
| May 9, 2:52 AM EDT | Frost Advisory | CTP | Cambria, Clearfield, Elk, McKean, Somerset, Warren | 29 hr |
| May 19, 3:11 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne | 29 hr |
| May 19, 3:29 AM EDT | Frost Advisory | PBZ | Clarion, Forest, Jefferson, Venango | 28 hr |
| May 19, 3:34 AM EDT | Frost Advisory | CLE | Crawford, Erie | 28 hr |
| May 19, 3:34 AM EDT | Frost Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 28 hr |
| Jun 1, 1:18 PM EDT | Frost Advisory | CTP | Cameron, Clearfield, Elk, McKean, Potter, Tioga and 1 more | 18 hr |
| Jun 1, 1:58 PM EDT | Frost Advisory | PBZ | Clarion, Forest, Jefferson | 18 hr |
| Jun 1, 2:58 PM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne | 17 hr |
| Aug 29, 5:10 PM EDT | Frost Advisory | CTP | McKean, Potter | 14 hr |
| Aug 30, 4:58 PM EDT | Frost Advisory | CTP | McKean | 14 hr |
| Sep 7, 1:12 PM EDT | Frost Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 5 more | 19 hr |
| Sep 8, 1:27 PM EDT | Frost Advisory | CTP | Cameron, Elk, McKean, Potter | 19 hr |
| Oct 1, 12:35 AM EDT | Frost Advisory | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 8 more | 32 hr |
| Oct 1, 12:48 AM EDT | Frost Advisory | BGM | Bradford, Pike, Susquehanna, Wayne, Wyoming | 31 hr |
| Oct 1, 11:44 AM EDT | Frost Advisory | PBZ | Forest, Jefferson | 15 hr |
| Oct 8, 1:20 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne | 32 hr |
| Oct 8, 1:48 AM EDT | Frost Advisory | CLE | Crawford, Erie | 31 hr |
| Oct 8, 2:15 AM EDT | Frost Advisory | CTP | Cambria, Cameron, Clearfield, Elk, Potter, Somerset and 2 more | 31 hr |
| Oct 8, 2:39 AM EDT | Frost Advisory | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Indiana and 5 more | 30 hr |
| Oct 9, 1:41 AM EDT | Frost Advisory | CTP | Dauphin, Lancaster, Lebanon, York | 31 hr |
| Oct 9, 1:56 AM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 31 hr |
| Oct 9, 2:43 AM EDT | Frost Advisory | CLE | Crawford, Erie | 30 hr |
| Oct 9, 12:18 PM EDT | Frost Advisory | PBZ | Allegheny, Beaver, Fayette, Greene, Indiana, Washington and 1 more | 21 hr |
| Oct 15, 1:14 AM EDT | Frost Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 9 more | 32 hr |
| Oct 15, 1:31 AM EDT | Frost Advisory | CLE | Crawford, Erie | 31 hr |
| Oct 16, 1:39 AM EDT | Frost Advisory | BGM | Lackawanna, Luzerne | 31 hr |
| Oct 16, 1:57 AM EDT | Frost Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 1 more | 31 hr |
| Oct 16, 12:40 PM EDT | Frost Advisory | PBZ | Allegheny, Beaver, Greene, Lawrence, Mercer, Washington | 20 hr |
| Oct 23, 2:04 AM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Montgomery | 31 hr |
| Oct 23, 5:02 PM EDT | Frost Advisory | PBZ | Greene, Washington | 16 hr |
| Oct 24, 10:37 AM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Delaware, Montgomery | 22 hr |
| Oct 24, 11:55 AM EDT | Frost Advisory | CTP | Dauphin, Lancaster, Lebanon | 21 hr |
| Oct 25, 12:58 PM EDT | Frost Advisory | PBZ | Allegheny, Beaver | 20 hr |
| Oct 25, 1:21 PM EDT | Frost Advisory | CTP | Dauphin, Lancaster, Lebanon, York | 20 hr |
| Oct 25, 2:16 PM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Montgomery | 19 hr |
| Oct 26, 12:23 PM EDT | Frost Advisory | CLE | Erie | 21 hr |
| Oct 26, 2:50 PM EDT | Frost Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 18 hr |
| Oct 27, 2:40 PM EDT | Frost Advisory | PHI | Bucks, Delaware | 18 hr |
| Nov 6, 3:48 AM EST | Frost Advisory | PHI | Delaware, Philadelphia | 28 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- McKean County8
- Bucks County7
- Elk County7
- Potter County7
- Greene County6
- Washington County6
- Montgomery County6
- Forest County6
- Jefferson County6
- Erie County6
- Clearfield County6
- Cameron County6
- Fayette County5
- Dauphin County5
- Lancaster County5
- Lebanon County5
- Berks County5
- Chester County5
- Delaware County5
- Allegheny County5
- Beaver County5
- Clarion County5
- Crawford County5
- Tioga County5
- York County4
- Indiana County4
- Lawrence County4
- Mercer County4
- Venango County4
- Westmoreland County4
- Cambria County4
- Somerset County4
- Warren County4
- Bradford County4
- Susquehanna County4
- Wayne County4
- Philadelphia County3
- Armstrong County3
- Butler County3
- Centre County3
22 more counties
- Clinton County3
- Sullivan County3
- Adams County2
- Cumberland County2
- Franklin County2
- Lycoming County2
- Fulton County1
- Huntingdon County1
- Juniata County1
- Mifflin County1
- Montour County1
- Northumberland County1
- Perry County1
- Snyder County1
- Union County1
- Bedford County1
- Blair County1
- Pike County1
- Wyoming County1
- Lehigh County1
- Lackawanna County1
- Luzerne County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.