Alert archive / Pennsylvania / Flash Flood Watches / 2011
Flash Flood Watches in Pennsylvania, May 2011
9 flash flood watches in May 2011. 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in May 2011. Tap one for its archive.
- Flash Flood Watches
- 9
- Busiest day
- May 14, 20113 flash flood watches
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 3, 3:54 AM EDT | Flash Flood Watch | CTP | Bedford, Blair, Centre, Clinton, Columbia, Cumberland and 17 more | 22 hr |
| May 14, 4:00 AM EDT | Flash Flood Watch | CTP | Cambria, Clearfield, Elk, McKean, Somerset, Warren | 24 hr |
| May 14, 4:10 AM EDT | Flash Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 20 hr |
| May 14, 4:19 AM EDT | Flash Flood Watch | CLE | Crawford, Erie | 19 hr |
| May 15, 9:50 AM EDT | Flash Flood Watch | CTP | McKean, Warren | 12 hr |
| May 19, 1:30 PM EDT | Flash Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming | 8 hr |
| May 20, 3:30 AM EDT | Flash Flood Watch | PHI | Carbon, Monroe, Northampton | 15 hr |
| May 23, 11:03 PM EDT | Flash Flood Watch | BGM | Bradford | 4 hr |
| May 27, 7:43 PM EDT | Flash Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bradford County3
- McKean County2
- Warren County2
- Lackawanna County2
- Luzerne County2
- Susquehanna County2
- Wyoming County2
- Bedford County1
- Blair County1
- Centre County1
- Clinton County1
- Columbia County1
- Cumberland County1
- Dauphin County1
- Franklin County1
- Fulton County1
- Huntingdon County1
- Juniata County1
- Lebanon County1
- Lycoming County1
- Mifflin County1
- Montour County1
- Northumberland County1
- Perry County1
- Potter County1
- Schuylkill County1
- Snyder County1
- Sullivan County1
- Tioga County1
- Union County1
- Cambria County1
- Clearfield County1
- Elk County1
- Somerset County1
- Allegheny County1
- Armstrong County1
- Beaver County1
- Butler County1
- Clarion County1
- Fayette County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.