Alert archive / Pennsylvania / Frost Advisories / 2009
Frost Advisories in Pennsylvania, May 2009
18 frost advisories in May 2009. 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 2009. Tap one for its archive.
- Frost Advisories
- 18
- Busiest day
- May 11, 20094 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 10, 2:37 AM EDT | Frost Advisory | CTP | Centre, Clinton, Lycoming, Sullivan, Tioga | 29 hr |
| May 10, 3:19 AM EDT | Frost Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 29 hr |
| May 11, 11:39 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne | 21 hr |
| May 11, 2:59 PM EDT | Frost Advisory | CTP | Lycoming, Sullivan, Tioga | 18 hr |
| May 11, 3:21 PM EDT | Frost Advisory | CLE | Crawford, Erie | 17 hr |
| May 11, 3:28 PM EDT | Frost Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Lawrence, Washington | 17 hr |
| May 12, 2:34 AM EDT | Frost Advisory | PHI | Carbon, Monroe | 30 hr |
| May 12, 3:55 AM EDT | Frost Advisory | CTP | Centre, Clinton, Lycoming, Schuylkill, Sullivan, Tioga | 29 hr |
| May 12, 11:32 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne, Wyoming | 21 hr |
| May 17, 3:09 AM EDT | Frost Advisory | CLE | Erie | 29 hr |
| May 17, 3:20 AM EDT | Frost Advisory | CTP | Bedford, Blair, Centre, Clinton, Columbia, Cumberland and 14 more | 30 hr |
| May 18, 4:27 AM EDT | Frost Advisory | PHI | Berks, Lehigh, Northampton | 28 hr |
| May 18, 3:02 PM EDT | Frost Advisory | CLE | Crawford, Erie | 17 hr |
| May 18, 3:04 PM EDT | Frost Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Greene and 4 more | 17 hr |
| May 18, 3:28 PM EDT | Frost Advisory | CTP | Adams, Bedford, Blair, Cambria, Centre, Clinton and 19 more | 17 hr |
| May 31, 3:18 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne, Wyoming | 29 hr |
| May 31, 5:50 AM EDT | Frost Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 26 hr |
| May 31, 1:55 PM EDT | Frost Advisory | PHI | Carbon, Monroe | 17 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lycoming County6
- Centre County5
- Clinton County5
- Sullivan County4
- Tioga County4
- Bradford County4
- Susquehanna County4
- Wayne County4
- Wyoming County3
- Erie County3
- Schuylkill County3
- Crawford County2
- Allegheny County2
- Armstrong County2
- Beaver County2
- Butler County2
- Lawrence County2
- Washington County2
- Carbon County2
- Monroe County2
- Bedford County2
- Blair County2
- Columbia County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Fulton County2
- Huntingdon County2
- Juniata County2
- Lebanon County2
- Mifflin County2
- Montour County2
- Northumberland County2
- Perry County2
- Snyder County2
- Union County2
- Lackawanna County1
- Luzerne County1
- Pike County1
- Berks County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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.