Alert archive / Pennsylvania / Frost Advisories
Frost Advisories in Pennsylvania, 2020
46 frost advisories in 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 frost advisories reaches back to 2005.
Frost Advisories by county
Each county as a circle sized by its count in 2020. Tap one for its archive.
- Frost Advisories
- 46
- Busiest month
- September17 frost advisories
- Busiest day
- September 19, 20205 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 14, 3:34 PM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 39 hr |
| Apr 16, 3:19 PM EDT | Frost Advisory | PHI | Delaware, Philadelphia | 18 hr |
| Apr 18, 3:07 AM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Montgomery | 29 hr |
| Apr 18, 3:34 AM EDT | Frost Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 1 more | 29 hr |
| Apr 18, 1:16 PM EDT | Frost Advisory | PBZ | Greene | 20 hr |
| Apr 22, 3:03 PM EDT | Frost Advisory | PHI | Chester, Montgomery | 16 hr |
| Apr 27, 3:12 PM EDT | Frost Advisory | PHI | Lehigh, Northampton | 17 hr |
| May 4, 1:18 PM EDT | Frost Advisory | PBZ | Armstrong, Butler, Clarion, Jefferson, Lawrence, Mercer and 1 more | 19 hr |
| May 6, 1:01 PM EDT | Frost Advisory | PBZ | Allegheny, Beaver, Washington | 20 hr |
| May 6, 2:19 PM EDT | Frost Advisory | CLE | Crawford, Erie | 19 hr |
| May 11, 2:58 AM EDT | Frost Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 6 more | 27 hr |
| May 11, 3:24 AM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 27 hr |
| May 11, 3:50 AM EDT | Frost Advisory | CLE | Crawford, Erie | 28 hr |
| May 12, 11:46 AM EDT | Frost Advisory | PBZ | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 21 hr |
| May 12, 12:22 PM EDT | Frost Advisory | CLE | Erie | 21 hr |
| May 12, 2:25 PM EDT | Frost Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 6 more | 18 hr |
| May 12, 2:25 PM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 18 hr |
| May 13, 10:23 AM EDT | Frost Advisory | BGM | Lackawanna, Luzerne | 22 hr |
| May 13, 2:02 PM EDT | Frost Advisory | CTP | Cameron, Clinton, Columbia, Lycoming, Montour, Schuylkill and 1 more | 18 hr |
| May 13, 2:20 PM EDT | Frost Advisory | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 18 hr |
| May 20, 1:14 PM EDT | Frost Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Columbia, Elk and 10 more | 18 hr |
| Sep 14, 3:28 AM EDT | Frost Advisory | CTP | McKean | 29 hr |
| Sep 18, 3:12 AM EDT | Frost Advisory | BGM | Bradford, Lackawanna, Pike, Susquehanna, Wayne, Wyoming | 29 hr |
| Sep 18, 3:31 AM EDT | Frost Advisory | CTP | Cameron, Clearfield, Sullivan, Tioga, Warren | 28 hr |
| Sep 18, 9:12 AM EDT | Frost Advisory | PBZ | Clarion, Forest, Jefferson, Mercer, Venango | 24 hr |
| Sep 18, 2:53 PM EDT | Frost Advisory | CLE | Crawford, Erie | 18 hr |
| Sep 19, 12:53 PM EDT | Frost Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more | 20 hr |
| Sep 19, 1:17 PM EDT | Frost Advisory | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Jefferson and 4 more | 20 hr |
| Sep 19, 2:46 PM EDT | Frost Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 17 hr |
| Sep 19, 3:04 PM EDT | Frost Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 18 hr |
| Sep 19, 3:04 PM EDT | Frost Advisory | CLE | Crawford, Erie | 18 hr |
| Sep 20, 11:59 AM EDT | Frost Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 18 more | 21 hr |
| Sep 20, 12:12 PM EDT | Frost Advisory | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Venango | 21 hr |
| Sep 20, 2:41 PM EDT | Frost Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 18 hr |
| Sep 20, 3:16 PM EDT | Frost Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 15 hr |
| Sep 21, 1:35 PM EDT | Frost Advisory | CTP | Adams, Bedford, Blair, Cambria, Clinton, Columbia and 16 more | 19 hr |
| Sep 21, 2:26 PM EDT | Frost Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 19 hr |
| Sep 21, 3:35 PM EDT | Frost Advisory | PBZ | Clarion, Fayette, Forest, Jefferson, Westmoreland | 17 hr |
| Oct 2, 1:10 PM EDT | Frost Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 7 more | 20 hr |
| Oct 2, 1:39 PM EDT | Frost Advisory | CTP | Cambria, Somerset | 19 hr |
| Oct 16, 3:24 AM EDT | Frost Advisory | BGM | Lackawanna, Luzerne | 30 hr |
| Oct 16, 1:34 PM EDT | Frost Advisory | PBZ | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 19 hr |
| Oct 16, 2:44 PM EDT | Frost Advisory | CTP | Adams, Clinton, Columbia, Cumberland, Franklin, Fulton and 9 more | 17 hr |
| Oct 16, 3:03 PM EDT | Frost Advisory | CLE | Erie | 18 hr |
| Oct 17, 3:46 AM EDT | Frost Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 28 hr |
| Oct 17, 12:25 PM EDT | Frost Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 1 more | 21 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lehigh County8
- Adams County8
- Cumberland County8
- Franklin County8
- York County8
- Montgomery County7
- Northampton County7
- Dauphin County7
- Berks County6
- Bucks County6
- Chester County6
- Clarion County6
- Jefferson County6
- Erie County6
- Fulton County6
- Juniata County6
- Mifflin County6
- Perry County6
- Lackawanna County6
- Clinton County6
- Columbia County6
- Lycoming County6
- Montour County6
- Lebanon County5
- Venango County5
- Huntingdon County5
- Fayette County5
- Westmoreland County5
- Luzerne County5
- Northumberland County5
- Snyder County5
- Union County5
- Lancaster County4
- Greene County4
- Armstrong County4
- Butler County4
- Mercer County4
- Allegheny County4
- Beaver County4
- Washington County4
26 more counties
- Crawford County4
- Schuylkill County4
- Clearfield County4
- Sullivan County4
- Pike County4
- Wayne County4
- Forest County4
- Cambria County4
- Somerset County4
- Lawrence County3
- Cameron County3
- Centre County3
- Bradford County3
- Susquehanna County3
- Wyoming County3
- Bedford County3
- Blair County3
- Warren County2
- McKean County2
- Tioga County2
- Carbon County2
- Monroe County2
- Delaware County1
- Philadelphia County1
- Elk County1
- Potter County1
The busiest days
Days with the most alerts issued, by UTC date.
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.