Alert archive / Pennsylvania / Flash Flood Watches

Flash Flood Watches in Pennsylvania, 2020

24 flash flood watches in 2020. 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 2020. Tap one for its archive.

Flash Flood Watches
24
Busiest month
August10 flash flood watches
Busiest day
June 5, 20202 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.

IssuedProductOfficeCountiesLasted
Feb 11, 12:59 PM ESTFlash Flood WatchPBZFayette, Greene42 hr
Mar 27, 12:07 PM EDTFlash Flood WatchCLECrawford, Erie41 hr
Mar 28, 10:00 PM EDTFlash Flood WatchCTPBlair, Cambria, Centre, Clearfield, Huntingdon6 hr
Jun 5, 9:47 AM EDTFlash Flood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more12 hr
Jun 5, 10:38 AM EDTFlash Flood WatchCTPAdams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more10 hr
Jun 22, 1:04 PM EDTFlash Flood WatchCTPBedford, Blair, Cambria, Somerset6 hr
Jun 23, 1:52 PM EDTFlash Flood WatchCTPBedford, Blair, Cambria, Franklin, Fulton, Huntingdon and 1 more8 hr
Jul 6, 12:52 PM EDTFlash Flood WatchPHIBucks, Chester, Delaware, Montgomery, Philadelphia8 hr
Jul 8, 12:13 PM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more6 hr
Jul 8, 12:19 PM EDTFlash Flood WatchCTPColumbia, Lebanon, Schuylkill9 hr
Jul 9, 3:00 PM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more30 hr
Jul 10, 3:25 AM EDTFlash Flood WatchBGMPike, Wayne22 hr
Aug 2, 3:33 PM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more48 hr
Aug 2, 3:59 PM EDTFlash Flood WatchCTPAdams, Cumberland, Dauphin, Franklin, Fulton, Lancaster and 4 more47 hr
Aug 3, 4:05 AM EDTFlash Flood WatchBGMLackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming41 hr
Aug 6, 3:37 AM EDTFlash Flood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more44 hr
Aug 6, 1:59 PM EDTFlash Flood WatchCTPAdams, Franklin, Lancaster, York8 hr
Aug 7, 10:06 AM EDTFlash Flood WatchCTPAdams, Centre, Clinton, Columbia, Cumberland, Dauphin and 14 more9 hr
Aug 11, 3:48 PM EDTFlash Flood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more28 hr
Aug 12, 3:09 AM EDTFlash Flood WatchCTPLancaster, York16 hr
Aug 13, 2:22 AM EDTFlash Flood WatchCTPLancaster, York18 hr
Aug 13, 3:02 AM EDTFlash Flood WatchPHIBucks, Chester, Delaware, Montgomery, Philadelphia17 hr
Sep 9, 5:08 PM EDTFlash Flood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more29 hr
Sep 10, 1:38 PM EDTFlash Flood WatchCTPAdams, Dauphin, Lancaster, Lebanon, York6 hr

By county

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

7 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. June 5, 20202flash flood watches
  2. July 8, 20202flash flood watches
  3. August 2, 20202flash flood watches
  4. August 6, 20202flash flood watches
  5. August 13, 20202flash flood watches
  6. February 11, 20201flash flood watches
  7. March 27, 20201flash flood watches
  8. March 29, 20201flash flood watches
  9. June 22, 20201flash flood watches
  10. June 23, 20201flash flood watches
  11. July 6, 20201flash flood watches
  12. July 9, 20201flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20192021

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.