Alert archive / Pennsylvania / Flash Flood Watches / 2011

Flash Flood Watches in Pennsylvania, April 2011

9 flash flood watches in April 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 April 2011. Tap one for its archive.

Flash Flood Watches
9
Busiest day
April 27, 20114 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
Apr 15, 12:54 PM EDTFlash Flood WatchCTPAdams, Bedford, Blair, Cambria, Centre, Clearfield and 21 more33 hr
Apr 19, 3:29 PM EDTFlash Flood WatchPBZFayette, Greene, Washington3 hr
Apr 21, 2:55 PM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more53 hr
Apr 22, 2:51 PM EDTFlash Flood WatchCTPBedford, Blair, Cambria, Fulton, Huntingdon, Somerset30 hr
Apr 26, 5:10 PM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more9 hr
Apr 27, 10:09 AM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more18 hr
Apr 27, 11:16 AM EDTFlash Flood WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 26 more23 hr
Apr 27, 11:25 AM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more27 hr
Apr 27, 3:26 PM EDTFlash Flood WatchPHICarbon, Lehigh, Monroe, Northampton24 hr

By county

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

18 more counties

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.