Alert archive / Pennsylvania / Frost Advisories / 2026
Frost Advisories in Pennsylvania, May 2026
19 frost advisories in May 2026. 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 May 2026. Tap one for its archive.
- Frost Advisories
- 19
- Busiest day
- May 11, 20265 frost advisories
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 1, 12:53 PM EDT | Frost Advisory | PBZ | Allegheny, Beaver, Fayette, Greene, Indiana, Washington and 1 more | 19 hr |
| May 1, 12:56 PM EDT | Frost Advisory | CTP | Bedford, Blair, Centre, Clinton, Franklin, Fulton and 8 more | 20 hr |
| May 1, 1:53 PM EDT | Frost Advisory | CLE | Erie | 19 hr |
| May 2, 12:14 PM EDT | Frost Advisory | CTP | Adams, Columbia, Cumberland, Dauphin, Franklin, Fulton and 9 more | 21 hr |
| May 2, 12:42 PM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 18 hr |
| May 2, 1:37 PM EDT | Frost Advisory | CLE | Erie | 19 hr |
| May 6, 12:52 PM EDT | Frost Advisory | PBZ | Clarion, Forest, Jefferson, Venango | 19 hr |
| May 6, 12:55 PM EDT | Frost Advisory | CTP | Cameron, Clearfield, Elk, McKean, Potter, Tioga and 1 more | 19 hr |
| May 7, 12:08 PM EDT | Frost Advisory | PBZ | Clarion, Fayette, Forest, Indiana, Jefferson, Venango and 1 more | 20 hr |
| May 7, 12:18 PM EDT | Frost Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 20 hr |
| May 10, 12:41 PM EDT | Frost Advisory | CLE | Crawford, Erie | 19 hr |
| May 10, 1:14 PM EDT | Frost Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 19 hr |
| May 10, 1:17 PM EDT | Frost Advisory | BGM | Bradford, Susquehanna | 19 hr |
| May 10, 1:20 PM EDT | Frost Advisory | PBZ | Armstrong, Beaver, Butler, Clarion, Forest, Indiana and 4 more | 19 hr |
| May 11, 12:37 PM EDT | Frost Advisory | CTP | Bedford, Blair, Centre, Clinton, Columbia, Fulton and 9 more | 19 hr |
| May 11, 12:45 PM EDT | Frost Advisory | PBZ | Allegheny, Beaver, Fayette, Washington, Westmoreland | 19 hr |
| May 11, 12:58 PM EDT | Frost Advisory | CLE | Erie | 19 hr |
| May 11, 1:12 PM EDT | Frost Advisory | PHI | Carbon, Monroe | 19 hr |
| May 11, 1:36 PM EDT | Frost Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne, Wyoming | 19 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Centre County4
- Clinton County4
- Lycoming County4
- Erie County4
- Beaver County3
- Fayette County3
- Indiana County3
- Westmoreland County3
- Fulton County3
- Snyder County3
- Sullivan County3
- Union County3
- Clarion County3
- Forest County3
- Jefferson County3
- Venango County3
- Cameron County3
- Clearfield County3
- Elk County3
- McKean County3
- Potter County3
- Tioga County3
- Warren County3
- Allegheny County2
- Washington County2
- Bedford County2
- Blair County2
- Franklin County2
- Huntingdon County2
- Juniata County2
- Mifflin County2
- Perry County2
- Columbia County2
- Montour County2
- Northumberland County2
- Schuylkill County2
- Greene County1
- Adams County1
- Cumberland County1
- Dauphin County1
25 more counties
- Lancaster County1
- Lebanon County1
- York County1
- Berks County1
- Bucks County1
- Chester County1
- Lehigh County1
- Montgomery County1
- Northampton County1
- Cambria County1
- Somerset County1
- Crawford County1
- Bradford County1
- Susquehanna County1
- Armstrong County1
- Butler County1
- Lawrence County1
- Mercer County1
- Carbon County1
- Monroe County1
- Lackawanna County1
- Luzerne County1
- Pike County1
- Wayne County1
- Wyoming County1
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.