Alert archive / Pennsylvania / Flash Flood Warnings / 2012
Flash Flood Warnings in Pennsylvania, September 2012
12 flash flood warnings in September 2012. 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 warnings reaches back to 1986.
Flash Flood Warnings by county
Each county as a circle sized by its count in September 2012. Tap one for its archive.
- Flash Flood Warnings
- 12
- Busiest day
- September 3, 20123 flash flood warnings
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 1, 4:32 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver | 2 hr |
| Sep 3, 12:58 AM EDT | Flash Flood Warning | PHI | Chester, Delaware | 5 hr |
| Sep 3, 8:23 AM EDT | Flash Flood Warning | PHI | Delaware | 82 min |
| Sep 3, 9:15 AM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 3 hr |
| Sep 4, 4:00 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 84 min |
| Sep 4, 1:47 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 4, 7:33 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe, Northampton | 6 hr |
| Sep 6, 5:07 PM EDT | Flash Flood Warning | CTP | Lycoming, Tioga | 6 hr |
| Sep 7, 12:57 AM EDT | Flash Flood Warning | CTP | Columbia | 75 min |
| Sep 18, 2:00 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more | 5 hr |
| Sep 18, 2:25 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Sep 27, 5:43 PM EDT | Flash Flood Warning | PBZ | Allegheny | 85 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delaware County4
- Montgomery County3
- Allegheny County2
- Chester County2
- Bucks County2
- Philadelphia County2
- Carbon County2
- Monroe County2
- Northampton County2
- Beaver County1
- Lycoming County1
- Tioga County1
- Columbia County1
- Adams County1
- Cumberland County1
- Dauphin County1
- Lancaster County1
- Lebanon County1
- Schuylkill County1
- York County1
- Lehigh County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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. Rebuilt daily.