Alert archive / Pennsylvania / Flash Flood Watches / 2009

Flash Flood Watches in Pennsylvania, August 2009

14 flash flood watches in August 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 August 2009. Tap one for its archive.

Flash Flood Watches
14
Busiest day
August 2, 20093 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.

IssuedProductOfficeCountiesLasted
Aug 2, 2:19 AM EDTFlash Flood WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more13 hr
Aug 2, 3:28 AM EDTFlash Flood WatchBGMLackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming14 hr
Aug 2, 5:08 AM EDTFlash Flood WatchCTPAdams, Bedford, Columbia, Cumberland, Dauphin, Franklin and 15 more10 hr
Aug 9, 11:57 AM EDTFlash Flood WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more11 hr
Aug 13, 3:19 AM EDTFlash Flood WatchBGMLackawanna, Luzerne, Pike, Wayne12 hr
Aug 13, 4:12 AM EDTFlash Flood WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more15 hr
Aug 13, 4:33 AM EDTFlash Flood WatchCTPDauphin, Lancaster, Lebanon, Schuylkill, York15 hr
Aug 19, 2:55 PM EDTFlash Flood WatchPBZAllegheny, Beaver, Washington4 hr
Aug 21, 2:47 PM EDTFlash Flood WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more35 hr
Aug 22, 3:28 AM EDTFlash Flood WatchBGMPike23 hr
Aug 22, 1:37 PM EDTFlash Flood WatchCTPLancaster, Lebanon, Schuylkill, York12 hr
Aug 28, 2:27 PM EDTFlash Flood WatchBGMLackawanna, Luzerne, Pike, Wayne, Wyoming13 hr
Aug 28, 2:52 PM EDTFlash Flood WatchPHIBerks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more14 hr
Aug 28, 8:17 PM EDTFlash Flood WatchCTPLancaster, York7 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

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.