Alert archive / Pennsylvania / Frost Advisories / 2020
Frost Advisories in Pennsylvania, September 2020
17 frost advisories in September 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 September 2020. Tap one for its archive.
- Frost Advisories
- 17
- Busiest day
- September 19, 20205 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 |
|---|---|---|---|---|
| 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 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lackawanna County4
- Pike County4
- Wayne County4
- Clarion County4
- Forest County4
- Jefferson County4
- Bradford County3
- Susquehanna County3
- Wyoming County3
- Clearfield County3
- Sullivan County3
- Venango County3
- Adams County3
- Bedford County3
- Blair County3
- Cambria County3
- Clinton County3
- Columbia County3
- Cumberland County3
- Dauphin County3
- Franklin County3
- Fulton County3
- Huntingdon County3
- Juniata County3
- Lycoming County3
- Mifflin County3
- Montour County3
- Northumberland County3
- Perry County3
- Snyder County3
- Somerset County3
- Union County3
- York County3
- Luzerne County3
- Mercer County2
- Crawford County2
- Erie County2
- Centre County2
- Schuylkill County2
- Armstrong 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.