Alert archive / Pennsylvania / Flash Flood Watches / 2011
Flash Flood Watches in Pennsylvania, September 2011
10 flash flood watches in September 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 September 2011. Tap one for its archive.
- Flash Flood Watches
- 10
- Busiest day
- September 5, 20112 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 |
|---|---|---|---|---|
| Sep 4, 7:50 PM EDT | Flash Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 30 hr |
| Sep 4, 11:29 PM EDT | Flash Flood Watch | CTP | Adams, Columbia, Cumberland, Dauphin, Franklin, Juniata and 12 more | 21 hr |
| Sep 5, 3:49 PM EDT | Flash Flood Watch | PBZ | Fayette, Greene, Jefferson, Westmoreland | 36 hr |
| Sep 8, 7:59 PM EDT | Flash Flood Watch | CTP | Adams, Bedford, Blair, Cumberland, Franklin, Fulton and 5 more | 8 hr |
| Sep 9, 8:33 PM EDT | Flash Flood Watch | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Mercer and 1 more | 7 hr |
| Sep 23, 9:53 AM EDT | Flash Flood Watch | CTP | Adams, Columbia, Cumberland, Dauphin, Juniata, Lancaster and 10 more | 16 hr |
| Sep 23, 12:42 PM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 9 hr |
| Sep 27, 9:12 AM EDT | Flash Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 40 hr |
| Sep 28, 2:43 AM EDT | Flash Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 39 hr |
| Sep 28, 3:56 AM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 39 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Adams County4
- Cumberland County4
- Juniata County4
- Perry County4
- York County4
- Lackawanna County3
- Luzerne County3
- Pike County3
- Susquehanna County3
- Wayne County3
- Wyoming County3
- Columbia County3
- Dauphin County3
- Franklin County3
- Lancaster County3
- Lebanon County3
- Lycoming County3
- Montour County3
- Northumberland County3
- Schuylkill County3
- Snyder County3
- Sullivan County3
- Union County3
- Bradford County2
- Tioga County2
- Jefferson County2
- Bedford County2
- Blair County2
- Fulton County2
- Huntingdon County2
- Mifflin County2
- Fayette County1
- Greene County1
- Westmoreland County1
- Armstrong County1
- Butler County1
- Clarion County1
- Forest County1
- Mercer County1
- Venango 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.