Alert archive / Pennsylvania / Flash Flood Warnings

Flash Flood Warnings in Pennsylvania, 2011

201 flash flood warnings in 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 warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2011. Tap one for its archive.

Flash Flood Warnings
201
Busiest month
September90 flash flood warnings
Busiest day
September 7, 201116 flash flood warnings

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 18, 10:33 AM ESTFlash Flood WarningPBZVenango65 min
Feb 28, 8:04 AM ESTFlash Flood WarningPBZAllegheny4 hr
Mar 6, 11:53 AM ESTFlash Flood WarningBGMWyoming6 hr
Mar 10, 6:12 PM ESTFlash Flood WarningBGMBradford, Wyoming6 hr
Mar 10, 6:33 PM ESTFlash Flood WarningBGMLuzerne6 hr
Mar 11, 12:11 AM ESTFlash Flood WarningBGMBradford, Wyoming4 hr
Mar 11, 12:16 AM ESTFlash Flood WarningBGMLuzerne4 hr
Mar 11, 2:48 AM ESTFlash Flood WarningBGMPike4 hr
Apr 16, 4:50 PM EDTFlash Flood WarningCTPAdams5 hr
Apr 16, 5:24 PM EDTFlash Flood WarningCTPCumberland5 hr
Apr 16, 5:38 PM EDTFlash Flood WarningCTPDauphin, Lancaster, Lebanon, York7 hr
Apr 16, 6:04 PM EDTFlash Flood WarningCTPFranklin5 hr
Apr 16, 7:27 PM EDTFlash Flood WarningCTPSchuylkill5 hr
Apr 16, 10:13 PM EDTFlash Flood WarningCTPAdams2 hr
Apr 16, 10:54 PM EDTFlash Flood WarningBGMBradford6 hr
Apr 25, 10:14 PM EDTFlash Flood WarningBGMBradford4 hr
Apr 26, 6:29 PM EDTFlash Flood WarningBGMBradford6 hr
Apr 26, 6:32 PM EDTFlash Flood WarningBGMBradford6 hr
Apr 26, 7:12 PM EDTFlash Flood WarningCTPClinton, Lycoming, Potter, Tioga3 hr
Apr 26, 9:05 PM EDTFlash Flood WarningBGMBradford, Lackawanna, Susquehanna, Wyoming4 hr
Apr 26, 10:43 PM EDTFlash Flood WarningCTPSullivan3 hr
Apr 26, 10:49 PM EDTFlash Flood WarningBGMLackawanna, Luzerne, Wayne, Wyoming4 hr
Apr 27, 8:33 PM EDTFlash Flood WarningBGMBradford2 hr
Apr 28, 1:42 AM EDTFlash Flood WarningCTPCameron, Clinton, Lycoming, Potter, Sullivan, Tioga4 hr
Apr 28, 1:44 AM EDTFlash Flood WarningCTPBedford, Blair, Cambria, Fulton, Huntingdon, Somerset4 hr
Apr 28, 3:00 AM EDTFlash Flood WarningBGMBradford10 hr
Apr 28, 3:02 AM EDTFlash Flood WarningCTPCentre3 hr
Apr 28, 3:29 AM EDTFlash Flood WarningBGMBradford10 hr
Apr 28, 3:34 AM EDTFlash Flood WarningCTPFranklin3 hr
Apr 28, 4:23 AM EDTFlash Flood WarningBGMLackawanna, Luzerne, Susquehanna, Wyoming9 hr
Apr 28, 4:25 AM EDTFlash Flood WarningCTPAdams, Cumberland, Dauphin, Perry, York7 hr
Apr 28, 5:23 AM EDTFlash Flood WarningBGMPike, Wayne9 hr
Apr 28, 6:13 AM EDTFlash Flood WarningCTPLebanon, Schuylkill4 hr
Apr 28, 7:06 AM EDTFlash Flood WarningPHICarbon, Monroe6 hr
Apr 28, 8:04 PM EDTFlash Flood WarningBGMLuzerne6 hr
May 3, 4:42 PM EDTFlash Flood WarningCTPBedford, Blair, Fulton, Huntingdon, Mifflin3 hr
May 3, 5:08 PM EDTFlash Flood WarningCTPCentre, Clinton, Huntingdon, Lycoming, Mifflin, Snyder and 3 more3 hr
May 3, 5:25 PM EDTFlash Flood WarningBGMBradford6 hr
May 3, 6:00 PM EDTFlash Flood WarningBGMSusquehanna, Wyoming6 hr
May 13, 2:24 PM EDTFlash Flood WarningCTPSomerset2 hr
May 14, 9:21 PM EDTFlash Flood WarningCLECrawford4 hr
May 16, 6:09 PM EDTFlash Flood WarningCTPLancaster2 hr
May 18, 2:58 PM EDTFlash Flood WarningPBZGreene62 min
May 18, 4:11 PM EDTFlash Flood WarningCTPSomerset3 hr
May 18, 4:31 PM EDTFlash Flood WarningCTPAdams, Cumberland, Dauphin, Lancaster, Perry, York4 hr
May 18, 5:52 PM EDTFlash Flood WarningCTPCentre, Clearfield, Clinton, Juniata, Mifflin, Snyder and 1 more3 hr
May 18, 6:31 PM EDTFlash Flood WarningCTPDauphin, Northumberland, Snyder3 hr
May 18, 9:22 PM EDTFlash Flood WarningCTPLycoming83 min
May 19, 3:55 AM EDTFlash Flood WarningCTPDauphin3 hr
May 19, 2:00 PM EDTFlash Flood WarningCTPLycoming3 hr
May 19, 3:43 PM EDTFlash Flood WarningBGMBradford4 hr
May 19, 4:39 PM EDTFlash Flood WarningPHIBucks, Monroe, Northampton4 hr
May 19, 6:13 PM EDTFlash Flood WarningCTPMcKean3 hr
May 19, 6:18 PM EDTFlash Flood WarningBGMPike, Wayne2 hr
May 26, 7:10 PM EDTFlash Flood WarningCTPFranklin, Fulton3 hr
May 26, 8:11 PM EDTFlash Flood WarningBGMLuzerne6 hr
May 26, 8:14 PM EDTFlash Flood WarningBGMBradford6 hr
May 27, 5:07 PM EDTFlash Flood WarningCTPBedford, Blair, Cambria, Huntingdon, Somerset3 hr
Jun 11, 6:41 PM EDTFlash Flood WarningCTPDauphin, Lebanon, Northumberland, Schuylkill5 hr
Jun 11, 7:53 PM EDTFlash Flood WarningCTPLancaster, Lebanon3 hr
Jun 11, 8:04 PM EDTFlash Flood WarningCTPYork3 hr
Jun 20, 12:38 AM EDTFlash Flood WarningPBZAllegheny3 hr
Jun 23, 8:45 AM EDTFlash Flood WarningBGMLackawanna, Luzerne, Pike, Wayne3 hr
Jun 23, 11:45 AM EDTFlash Flood WarningBGMPike, Wayne97 min
Jul 3, 7:06 PM EDTFlash Flood WarningBGMLuzerne3 hr
Jul 4, 7:11 PM EDTFlash Flood WarningPBZAllegheny3 hr
Jul 8, 2:00 PM EDTFlash Flood WarningCTPCumberland, Dauphin, Perry, York3 hr
Jul 8, 3:14 PM EDTFlash Flood WarningBGMLuzerne, Wyoming91 min
Jul 8, 3:37 PM EDTFlash Flood WarningBGMSusquehanna, Wyoming64 min
Jul 8, 3:45 PM EDTFlash Flood WarningPHIPhiladelphia3 hr
Jul 8, 3:46 PM EDTFlash Flood WarningBGMLackawanna, Wayne3 hr
Jul 8, 4:18 PM EDTFlash Flood WarningPHIMonroe2 hr
Jul 8, 5:44 PM EDTFlash Flood WarningPHIDelaware, Philadelphia3 hr
Jul 22, 2:38 PM EDTFlash Flood WarningPBZWashington3 hr
Jul 25, 4:25 PM EDTFlash Flood WarningPHINorthampton3 hr
Jul 25, 5:18 PM EDTFlash Flood WarningPHILehigh, Northampton3 hr
Jul 25, 5:48 PM EDTFlash Flood WarningBGMLuzerne3 hr
Aug 7, 12:57 AM EDTFlash Flood WarningCTPDauphin, Lebanon7 hr
Aug 7, 2:29 AM EDTFlash Flood WarningPHIBerks, Lehigh, Northampton3 hr
Aug 7, 3:08 AM EDTFlash Flood WarningPBZIndiana3 hr
Aug 13, 9:56 PM EDTFlash Flood WarningPHIBerks, Lehigh, Northampton4 hr
Aug 14, 1:12 AM EDTFlash Flood WarningPHIChester4 hr
Aug 14, 3:55 AM EDTFlash Flood WarningPHIBucks, Delaware, Montgomery, Philadelphia4 hr
Aug 14, 7:43 AM EDTFlash Flood WarningPHIBucks, Delaware, Montgomery, Philadelphia4 hr
Aug 15, 2:35 PM EDTFlash Flood WarningPHINorthampton3 hr
Aug 18, 6:59 PM EDTFlash Flood WarningPHIChester2 hr
Aug 19, 2:13 PM EDTFlash Flood WarningBGMLuzerne, Wyoming4 hr
Aug 19, 2:38 PM EDTFlash Flood WarningPBZLawrence60 min
Aug 19, 2:52 PM EDTFlash Flood WarningBGMWayne3 hr
Aug 19, 2:57 PM EDTFlash Flood WarningPHICarbon, Monroe3 hr
Aug 19, 3:01 PM EDTFlash Flood WarningBGMLuzerne3 hr
Aug 19, 3:42 PM EDTFlash Flood WarningCTPBedford3 hr
Aug 19, 4:24 PM EDTFlash Flood WarningPBZAllegheny3 hr
Aug 19, 5:33 PM EDTFlash Flood WarningPBZBeaver, Lawrence3 hr
Aug 19, 6:44 PM EDTFlash Flood WarningCTPBedford, Somerset2 hr
Aug 21, 3:31 PM EDTFlash Flood WarningPHIPhiladelphia8 hr
Aug 21, 6:05 PM EDTFlash Flood WarningPHIBucks, Delaware, Montgomery, Philadelphia6 hr
Aug 27, 8:28 PM EDTFlash Flood WarningPHIChester12 hr
Aug 27, 11:37 PM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia12 hr
Aug 28, 3:50 AM EDTFlash Flood WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery, Northampton10 hr
Aug 28, 5:17 AM EDTFlash Flood WarningPHICarbon, Monroe10 hr
Aug 28, 7:15 AM EDTFlash Flood WarningBGMWyoming6 hr
Aug 28, 8:16 AM EDTFlash Flood WarningBGMBradford, Susquehanna, Wyoming6 hr
Aug 28, 8:20 AM EDTFlash Flood WarningBGMPike6 hr
Aug 28, 8:41 AM EDTFlash Flood WarningBGMLuzerne6 hr
Aug 28, 9:01 AM EDTFlash Flood WarningCTPColumbia, Lycoming, Sullivan4 hr
Aug 28, 9:55 AM EDTFlash Flood WarningBGMBradford, Susquehanna, Wayne, Wyoming6 hr
Aug 28, 10:49 AM EDTFlash Flood Warning EmergencyBGMWyoming9 hr
Aug 28, 1:00 PM EDTFlash Flood WarningCTPColumbia, Lycoming, Sullivan4 hr
Aug 28, 2:25 PM EDTFlash Flood WarningBGMPike5 hr
Aug 28, 2:38 PM EDTFlash Flood WarningBGMLuzerne5 hr
Sep 4, 11:44 PM EDTFlash Flood WarningCTPAdams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 1 more3 hr
Sep 5, 1:41 AM EDTFlash Flood WarningCTPColumbia, Dauphin, Lebanon, Lycoming, Montour, Northumberland and 2 more4 hr
Sep 5, 10:18 PM EDTFlash Flood WarningPHILehigh, Northampton4 hr
Sep 5, 11:25 PM EDTFlash Flood WarningPHIBerks4 hr
Sep 6, 11:04 PM EDTFlash Flood WarningBGMLackawanna, Luzerne, Pike, Wayne6 hr
Sep 7, 5:01 AM EDTFlash Flood WarningBGMLackawanna, Luzerne, Wayne4 hr
Sep 7, 8:38 AM EDTFlash Flood WarningBGMBradford6 hr
Sep 7, 8:53 AM EDTFlash Flood WarningBGMSusquehanna6 hr
Sep 7, 9:33 AM EDTFlash Flood Warning EmergencyCTPDauphin, Lancaster, Lebanon, York10 hr
Sep 7, 10:23 AM EDTFlash Flood Warning EmergencyCTPColumbia, Dauphin, Lycoming, Montour, Northumberland, Schuylkill and 4 more12 hr
Sep 7, 11:33 AM EDTFlash Flood Warning EmergencyBGMBradford, Susquehanna18 hr
Sep 7, 12:12 PM EDTFlash Flood WarningBGMLuzerne, Wyoming6 hr
Sep 7, 1:24 PM EDTFlash Flood Warning EmergencyBGMWyoming6 hr
Sep 7, 2:05 PM EDTFlash Flood WarningPHIBerks4 hr
Sep 7, 2:25 PM EDTFlash Flood WarningBGMBradford, Luzerne, Susquehanna, Wyoming18 hr
Sep 7, 3:06 PM EDTFlash Flood WarningPHIChester4 hr
Sep 7, 3:33 PM EDTFlash Flood WarningPHIBerks, Chester4 hr
Sep 7, 4:14 PM EDTFlash Flood Warning EmergencyCTPSchuylkill6 hr
Sep 7, 4:42 PM EDTFlash Flood WarningBGMLackawanna, Luzerne, Susquehanna, Wayne4 hr
Sep 7, 7:00 PM EDTFlash Flood Warning EmergencyCTPDauphin, Lancaster, Lebanon, York6 hr
Sep 7, 8:11 PM EDTFlash Flood WarningPHIBerks4 hr
Sep 7, 9:24 PM EDTFlash Flood WarningBGMLackawanna, Luzerne, Susquehanna, Wyoming6 hr
Sep 7, 10:09 PM EDTFlash Flood Warning EmergencyCTPColumbia, Dauphin, Lycoming, Montour, Northumberland, Schuylkill and 4 more6 hr
Sep 7, 11:11 PM EDTFlash Flood WarningCTPAdams, Cumberland, Perry6 hr
Sep 8, 1:25 AM EDTFlash Flood WarningPHIDelaware, Montgomery, Philadelphia7 hr
Sep 8, 2:26 AM EDTFlash Flood WarningPHIBucks, Montgomery, Philadelphia6 hr
Sep 8, 3:15 AM EDTFlash Flood WarningPHILehigh, Monroe, Northampton6 hr
Sep 8, 3:33 AM EDTFlash Flood WarningBGMSusquehanna12 hr
Sep 8, 4:17 AM EDTFlash Flood WarningBGMPike, Wayne6 hr
Sep 8, 7:59 AM EDTFlash Flood Warning EmergencyBGMLuzerne6 hr
Sep 8, 8:27 AM EDTFlash Flood WarningBGMBradford, Susquehanna, Wyoming6 hr
Sep 8, 8:58 AM EDTFlash Flood WarningBGMLackawanna6 hr
Sep 8, 9:40 AM EDTFlash Flood WarningBGMPike, Wayne6 hr
Sep 9, 2:35 PM EDTFlash Flood WarningCTPBedford, Cambria, Somerset3 hr
Sep 9, 2:50 PM EDTFlash Flood WarningCTPAdams, Cumberland, Franklin, Fulton3 hr
Sep 9, 5:30 PM EDTFlash Flood WarningCTPBedford, Blair, Cumberland, Franklin, Fulton, Huntingdon3 hr
Sep 9, 6:07 PM EDTFlash Flood WarningCTPAdams, Blair, Cumberland, Franklin, Huntingdon, Juniata and 2 more3 hr
Sep 9, 6:54 PM EDTFlash Flood WarningCTPBedford, Blair, Cambria, Clearfield3 hr
Sep 9, 8:19 PM EDTFlash Flood WarningCTPBlair, Cambria, Centre, Clearfield, Huntingdon, Juniata and 2 more3 hr
Sep 9, 10:08 PM EDTFlash Flood WarningCTPJuniata, Mifflin, Perry, Snyder3 hr
Sep 9, 11:09 PM EDTFlash Flood WarningCTPDauphin, Montour, Northumberland, Schuylkill, Snyder, Union4 hr
Sep 10, 12:32 AM EDTFlash Flood Warning EmergencyCTPColumbia, Lycoming, Montour, Northumberland, Schuylkill5 hr
Sep 10, 9:02 AM EDTFlash Flood WarningCTPCambria, Clearfield4 hr
Sep 11, 7:31 PM EDTFlash Flood WarningCTPAdams3 hr
Sep 11, 7:51 PM EDTFlash Flood WarningCTPYork3 hr
Sep 11, 8:19 PM EDTFlash Flood WarningPHIBerks3 hr
Sep 11, 9:00 PM EDTFlash Flood WarningPHIChester3 hr
Sep 11, 9:14 PM EDTFlash Flood WarningPHIBerks, Chester, Montgomery110 min
Sep 11, 9:21 PM EDTFlash Flood WarningCTPLancaster3 hr
Sep 11, 9:38 PM EDTFlash Flood WarningCTPCentre, Clinton, Lycoming, Montour, Northumberland, Union3 hr
Sep 11, 9:56 PM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia4 hr
Sep 23, 11:46 AM EDTFlash Flood WarningCTPAdams6 hr
Sep 23, 12:47 PM EDTFlash Flood WarningPHIPhiladelphia2 hr
Sep 23, 1:46 PM EDTFlash Flood WarningCTPSchuylkill3 hr
Sep 23, 1:50 PM EDTFlash Flood WarningBGMLuzerne6 hr
Sep 23, 2:42 PM EDTFlash Flood WarningCTPDauphin3 hr
Sep 23, 4:04 PM EDTFlash Flood WarningCTPCumberland, York5 hr
Sep 23, 6:16 PM EDTFlash Flood WarningCTPLancaster3 hr
Sep 27, 8:35 AM EDTFlash Flood WarningCTPAdams, York115 min
Sep 27, 8:37 AM EDTFlash Flood WarningCTPClinton4 hr
Sep 27, 10:39 AM EDTFlash Flood WarningCTPBedford, Centre, Cumberland, Franklin, Fulton, Huntingdon and 5 more5 hr
Sep 27, 1:03 PM EDTFlash Flood WarningCTPColumbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 1 more4 hr
Sep 27, 1:10 PM EDTFlash Flood WarningCTPFranklin2 hr
Sep 27, 2:53 PM EDTFlash Flood WarningCTPAdams, Cumberland, Franklin, York2 hr
Sep 27, 3:43 PM EDTFlash Flood WarningCTPCumberland, Dauphin, Lebanon, Northumberland, Schuylkill, York3 hr
Sep 27, 4:56 PM EDTFlash Flood WarningCTPColumbia, Lebanon, Schuylkill3 hr
Sep 27, 5:47 PM EDTFlash Flood WarningBGMWyoming118 min
Sep 27, 7:14 PM EDTFlash Flood WarningBGMLackawanna, Luzerne3 hr
Sep 27, 7:17 PM EDTFlash Flood WarningBGMLuzerne3 hr
Sep 27, 7:56 PM EDTFlash Flood WarningCTPColumbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill2 hr
Sep 27, 9:46 PM EDTFlash Flood WarningBGMLuzerne, Wyoming3 hr
Sep 27, 10:13 PM EDTFlash Flood WarningBGMLuzerne3 hr
Sep 27, 10:54 PM EDTFlash Flood WarningBGMWyoming3 hr
Sep 28, 12:28 PM EDTFlash Flood WarningBGMLuzerne2 hr
Sep 28, 1:34 PM EDTFlash Flood WarningBGMLuzerne, Wyoming3 hr
Sep 28, 2:21 PM EDTFlash Flood WarningCTPCumberland, Dauphin, Perry114 min
Sep 28, 2:55 PM EDTFlash Flood WarningCTPColumbia, Dauphin, Lancaster, Lebanon, Northumberland, Schuylkill and 1 more3 hr
Sep 28, 3:38 PM EDTFlash Flood WarningCTPColumbia, Lycoming, Montour, Northumberland, Schuylkill, Snyder and 1 more6 hr
Sep 28, 4:06 PM EDTFlash Flood WarningCTPColumbia, Lycoming, Montour, Northumberland, Sullivan, Tioga3 hr
Sep 28, 4:12 PM EDTFlash Flood WarningCTPCumberland, Dauphin, Lancaster, Perry, York3 hr
Sep 28, 4:36 PM EDTFlash Flood WarningPHIBerks, Chester3 hr
Sep 28, 5:04 PM EDTFlash Flood WarningBGMLuzerne, Wyoming9 hr
Sep 28, 6:41 PM EDTFlash Flood WarningPHICarbon, Lehigh, Monroe, Northampton3 hr
Sep 28, 7:26 PM EDTFlash Flood WarningBGMSusquehanna, Wyoming6 hr
Sep 28, 7:41 PM EDTFlash Flood WarningBGMLuzerne, Wyoming72 min
Sep 28, 8:18 PM EDTFlash Flood WarningCTPColumbia, Dauphin, Northumberland, Schuylkill3 hr
Sep 29, 12:16 AM EDTFlash Flood WarningBGMBradford, Susquehanna, Wyoming4 hr
Sep 29, 1:29 AM EDTFlash Flood WarningBGMLuzerne, Susquehanna, Wyoming6 hr
Sep 29, 1:53 AM EDTFlash Flood WarningBGMLackawanna, Luzerne, Wayne3 hr
Sep 29, 7:32 AM EDTFlash Flood WarningBGMSusquehanna118 min

By county

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

16 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. September 7, 201116flash flood warnings
  2. September 28, 201115flash flood warnings
  3. August 28, 201114flash flood warnings
  4. September 8, 201113flash flood warnings
  5. April 28, 201112flash flood warnings
  6. September 27, 201112flash flood warnings
  7. August 19, 20119flash flood warnings
  8. May 19, 20117flash flood warnings
  9. July 8, 20117flash flood warnings
  10. September 23, 20117flash flood warnings
  11. September 12, 20116flash flood warnings
  12. April 16, 20115flash flood warnings

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. Rebuilt daily.