Alert archive / Pennsylvania / Flash Flood Watches

Flash Flood Watches in Pennsylvania, 2019

50 flash flood watches in 2019. 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 2019. Tap one for its archive.

Flash Flood Watches
50
Busiest month
July20 flash flood watches
Busiest day
May 30, 20194 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
Apr 14, 5:19 PM EDTFlash Flood WatchPHIBerks, Carbon, Lehigh, Monroe, Northampton11 hr
Apr 14, 5:22 PM EDTFlash Flood WatchCTPAdams, Cumberland, Dauphin, Elk, Franklin, Lancaster and 6 more10 hr
Apr 18, 2:01 PM EDTFlash Flood WatchCTPAdams, Centre, Clinton, Columbia, Cumberland, Dauphin and 17 more42 hr
Apr 18, 2:46 PM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more46 hr
Apr 18, 3:17 PM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more42 hr
May 3, 4:15 PM EDTFlash Flood WatchCTPAdams, Bedford, Franklin, Fulton, Huntingdon7 hr
May 4, 2:06 PM EDTFlash Flood WatchCTPAdams, Lancaster, York21 hr
May 4, 3:11 PM EDTFlash Flood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more21 hr
May 28, 1:13 PM EDTFlash Flood WatchCTPBedford, Blair, Cambria, Cameron, Centre, Clearfield and 18 more32 hr
May 29, 3:18 AM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more18 hr
May 29, 3:29 AM EDTFlash Flood WatchBGMLackawanna, Luzerne, Pike, Wayne, Wyoming15 hr
May 29, 3:37 AM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more17 hr
May 30, 3:17 AM EDTFlash Flood WatchBGMLackawanna, Luzerne, Pike, Wayne19 hr
May 30, 3:20 AM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more18 hr
May 30, 3:48 AM EDTFlash Flood WatchCTPAdams, Bedford, Blair, Cambria, Centre, Clearfield and 20 more18 hr
May 30, 4:20 AM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Jefferson and 3 more17 hr
Jun 1, 6:05 PM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Susquehanna, Wyoming5 hr
Jun 14, 2:53 PM EDTFlash Flood WatchCLECrawford, Erie4 days
Jun 17, 3:30 AM EDTFlash Flood WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 23 more42 hr
Jun 17, 3:38 AM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more4 days
Jun 17, 3:51 AM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more47 hr
Jun 18, 8:22 AM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more7 hr
Jun 19, 2:52 AM EDTFlash Flood WatchCLECrawford, Erie43 hr
Jun 19, 3:17 AM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more43 hr
Jun 19, 3:43 AM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more17 hr
Jun 19, 1:49 PM EDTFlash Flood WatchCTPAdams, Bedford, Blair, Cambria, Centre, Clearfield and 21 more10 hr
Jun 20, 4:01 AM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more26 hr
Jun 20, 4:17 AM EDTFlash Flood WatchCTPAdams, Bedford, Blair, Cambria, Cameron, Centre and 27 more24 hr
Jul 4, 11:18 AM EDTFlash Flood WatchPBZFayette, Westmoreland6 hr
Jul 4, 11:51 AM EDTFlash Flood WatchCTPBedford, Blair, Cambria, Somerset7 hr
Jul 5, 5:25 AM EDTFlash Flood WatchCTPBedford, Blair, Cambria, Fulton, Huntingdon, Somerset16 hr
Jul 5, 7:43 AM EDTFlash Flood WatchPBZFayette, Westmoreland14 hr
Jul 5, 5:10 PM EDTFlash Flood WatchBGMBradford5 hr
Jul 6, 11:30 AM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more10 hr
Jul 6, 11:49 AM EDTFlash Flood WatchCTPBedford, Blair, Cambria, Clearfield, Elk, McKean and 2 more8 hr
Jul 7, 12:01 PM EDTFlash Flood WatchCTPAdams, Bedford, Blair, Cambria, Centre, Clearfield and 17 more22 hr
Jul 7, 12:05 PM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 4 more9 hr
Jul 11, 3:24 AM EDTFlash Flood WatchCTPAdams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 1 more17 hr
Jul 11, 3:44 AM EDTFlash Flood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more18 hr
Jul 11, 1:01 PM EDTFlash Flood WatchPBZAllegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 4 more7 hr
Jul 17, 3:54 AM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more19 hr
Jul 17, 10:18 AM EDTFlash Flood WatchCTPColumbia, Lycoming, Montour, Northumberland, Schuylkill, Sullivan and 1 more13 hr
Jul 17, 10:27 AM EDTFlash Flood WatchBGMBradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more12 hr
Jul 21, 3:15 AM EDTFlash Flood WatchPHIBerks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more51 hr
Jul 21, 3:07 PM EDTFlash Flood WatchCTPAdams, Bedford, Columbia, Cumberland, Dauphin, Franklin and 9 more35 hr
Jul 22, 12:52 AM EDTFlash Flood WatchPBZAllegheny, Beaver, Fayette, Greene, Washington, Westmoreland19 hr
Jul 22, 3:31 AM EDTFlash Flood WatchBGMLackawanna, Luzerne, Pike, Wayne16 hr
Jul 31, 3:28 AM EDTFlash Flood WatchPHIBucks, Chester, Delaware, Montgomery, Philadelphia17 hr
Aug 7, 10:02 AM EDTFlash Flood WatchPHIBucks, Delaware, Montgomery, Philadelphia11 hr
Aug 12, 3:34 PM EDTFlash Flood WatchPHIBerks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more23 hr

By county

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

26 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 30, 20194flash flood watches
  2. June 19, 20194flash flood watches
  3. April 18, 20193flash flood watches
  4. May 29, 20193flash flood watches
  5. June 17, 20193flash flood watches
  6. July 5, 20193flash flood watches
  7. July 11, 20193flash flood watches
  8. July 17, 20193flash flood watches
  9. April 14, 20192flash flood watches
  10. May 4, 20192flash flood watches
  11. June 20, 20192flash flood watches
  12. July 4, 20192flash flood watches

Nearby

Alerts in force nowTornadoes on recordThe radar archive20182020

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.