Alert archive / Pennsylvania / Flash Flood Watches
Flash Flood Watches in Pennsylvania, 2009
30 flash flood watches in 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count in 2009. Tap one for its archive.
- Flash Flood Watches
- 30
- Busiest month
- August14 flash flood watches
- Busiest day
- June 11, 20093 flash flood watches
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 |
|---|---|---|---|---|
| Jun 9, 1:49 PM EDT | Flash Flood Watch | PHI | Delaware, Philadelphia | 5 hr |
| Jun 11, 4:04 AM EDT | Flash Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Centre, Clinton and 21 more | 23 hr |
| Jun 11, 3:15 PM EDT | Flash Flood Watch | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 13 hr |
| Jun 11, 3:16 PM EDT | Flash Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 13 hr |
| Jun 19, 11:53 AM EDT | Flash Flood Watch | PBZ | Allegheny, Beaver, Greene, Lawrence, Washington | 23 hr |
| Jun 19, 1:14 PM EDT | Flash Flood Watch | CTP | Bedford, Blair, Cambria, Somerset | 20 hr |
| Jun 20, 3:28 PM EDT | Flash Flood Watch | BGM | Wayne | 15 hr |
| Jul 11, 8:16 PM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Wayne, Wyoming | 4 hr |
| Jul 21, 10:44 AM EDT | Flash Flood Watch | CTP | Cambria, Cameron, Clearfield, Elk, McKean, Potter and 3 more | 15 hr |
| Jul 26, 3:07 AM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 20 hr |
| Jul 26, 3:40 AM EDT | Flash Flood Watch | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more | 16 hr |
| Jul 29, 10:15 AM EDT | Flash Flood Watch | PHI | Berks, Delaware, Lehigh, Northampton, Philadelphia | 17 hr |
| Jul 29, 2:50 PM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 6 hr |
| Jul 30, 3:30 PM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 27 hr |
| Aug 2, 2:19 AM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 13 hr |
| Aug 2, 3:28 AM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 14 hr |
| Aug 2, 5:08 AM EDT | Flash Flood Watch | CTP | Adams, Bedford, Columbia, Cumberland, Dauphin, Franklin and 15 more | 10 hr |
| Aug 9, 11:57 AM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 11 hr |
| Aug 13, 3:19 AM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Wayne | 12 hr |
| Aug 13, 4:12 AM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 15 hr |
| Aug 13, 4:33 AM EDT | Flash Flood Watch | CTP | Dauphin, Lancaster, Lebanon, Schuylkill, York | 15 hr |
| Aug 19, 2:55 PM EDT | Flash Flood Watch | PBZ | Allegheny, Beaver, Washington | 4 hr |
| Aug 21, 2:47 PM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 35 hr |
| Aug 22, 3:28 AM EDT | Flash Flood Watch | BGM | Pike | 23 hr |
| Aug 22, 1:37 PM EDT | Flash Flood Watch | CTP | Lancaster, Lebanon, Schuylkill, York | 12 hr |
| Aug 28, 2:27 PM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Wayne, Wyoming | 13 hr |
| Aug 28, 2:52 PM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 14 hr |
| Aug 28, 8:17 PM EDT | Flash Flood Watch | CTP | Lancaster, York | 7 hr |
| Sep 10, 2:50 PM EDT | Flash Flood Watch | PHI | Delaware, Philadelphia | 25 hr |
| Dec 8, 2:40 PM EST | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 21 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delaware County11
- Philadelphia County11
- Berks County10
- Lehigh County10
- Northampton County10
- Carbon County9
- Monroe County9
- Wayne County7
- Lancaster County6
- York County6
- Lackawanna County6
- Luzerne County6
- Pike County6
- Lebanon County5
- Schuylkill County5
- Wyoming County5
- Dauphin County4
- Adams County3
- Bedford County3
- Cambria County3
- Cumberland County3
- Franklin County3
- Perry County3
- Somerset County3
- Susquehanna County3
- Blair County2
- Columbia County2
- Fulton County2
- Huntingdon County2
- Juniata County2
- Lycoming County2
- Mifflin County2
- Montour County2
- Northumberland County2
- Snyder County2
- Sullivan County2
- Tioga County2
- Union County2
- Allegheny County2
- Beaver County2
The busiest days
Days with the most alerts issued, by UTC date.
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.