Alert archive / Pennsylvania / Flash Flood Warnings

Flash Flood Warnings in Pennsylvania, 2019

167 flash flood warnings 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 warnings reaches back to 1986.

Flash Flood Warnings by county

Each county as a circle sized by its count in 2019. Tap one for its archive.

Flash Flood Warnings
167
Busiest month
July78 flash flood warnings
Busiest day
July 11, 201915 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
May 9, 9:06 PM EDTFlash Flood WarningCTPSomerset114 min
May 19, 6:21 PM EDTFlash Flood WarningCTPFranklin4 hr
May 19, 8:43 PM EDTFlash Flood WarningPHIBerks3 hr
May 19, 9:29 PM EDTFlash Flood WarningPHIBerks, Bucks, Lehigh, Montgomery, Northampton4 hr
May 19, 10:48 PM EDTFlash Flood WarningPHIBerks117 min
May 19, 11:15 PM EDTFlash Flood WarningPHICarbon, Lehigh, Monroe, Northampton3 hr
May 28, 6:03 PM EDTFlash Flood WarningPBZBeaver, Butler, Lawrence5 hr
May 28, 6:32 PM EDTFlash Flood WarningPBZAllegheny, Armstrong, Butler, Indiana, Westmoreland5 hr
May 28, 6:48 PM EDTFlash Flood WarningBGMLackawanna3 hr
May 28, 7:07 PM EDTFlash Flood WarningPBZLawrence3 hr
May 29, 2:05 PM EDTFlash Flood WarningPBZBeaver88 min
May 29, 2:16 PM EDTFlash Flood WarningPBZAllegheny, Butler109 min
May 29, 2:47 PM EDTFlash Flood WarningPBZArmstrong, Indiana, Westmoreland107 min
May 29, 3:43 PM EDTFlash Flood WarningPHICarbon, Monroe4 hr
May 29, 4:48 PM EDTFlash Flood WarningBGMLuzerne61 min
May 29, 4:55 PM EDTFlash Flood WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery4 hr
May 29, 5:14 PM EDTFlash Flood WarningPHIBerks, Bucks, Carbon, Lehigh, Monroe, Northampton3 hr
May 29, 5:27 PM EDTFlash Flood WarningPHIBucks, Chester, Montgomery, Philadelphia4 hr
May 29, 6:06 PM EDTFlash Flood WarningPHIBucks4 hr
May 29, 6:09 PM EDTFlash Flood WarningPBZAllegheny107 min
May 29, 6:18 PM EDTFlash Flood WarningPBZAllegheny, Indiana, Westmoreland2 hr
May 29, 6:35 PM EDTFlash Flood WarningPHIBerks, Chester, Delaware, Montgomery, Philadelphia3 hr
May 30, 4:49 PM EDTFlash Flood WarningPHILehigh, Northampton4 hr
May 30, 5:17 PM EDTFlash Flood WarningPHIBucks, Delaware, Montgomery, Philadelphia4 hr
Jun 1, 6:57 PM EDTFlash Flood WarningBGMBradford3 hr
Jun 5, 4:22 PM EDTFlash Flood WarningPBZMercer3 hr
Jun 13, 7:50 PM EDTFlash Flood WarningPHIChester, Delaware4 hr
Jun 13, 8:21 PM EDTFlash Flood WarningPHIBucks, Montgomery, Philadelphia4 hr
Jun 18, 9:52 AM EDTFlash Flood WarningBGMBradford, Susquehanna3 hr
Jun 18, 10:15 AM EDTFlash Flood WarningBGMSusquehanna2 hr
Jun 18, 10:30 AM EDTFlash Flood WarningBGMWyoming3 hr
Jun 18, 3:26 PM EDTFlash Flood WarningPHIBucks4 hr
Jun 18, 3:57 PM EDTFlash Flood WarningPHIBucks, Lehigh, Northampton4 hr
Jun 18, 5:09 PM EDTFlash Flood WarningPHIBerks, Lehigh, Northampton3 hr
Jun 18, 11:48 PM EDTFlash Flood WarningPBZBeaver3 hr
Jun 19, 2:38 PM EDTFlash Flood WarningPBZAllegheny, Washington3 hr
Jun 19, 3:11 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland119 min
Jun 19, 3:40 PM EDTFlash Flood WarningPBZArmstrong, Clarion, Jefferson91 min
Jun 19, 4:32 PM EDTFlash Flood WarningPBZArmstrong, Butler85 min
Jun 19, 4:58 PM EDTFlash Flood WarningBGMBradford3 hr
Jun 19, 5:32 PM EDTFlash Flood WarningPBZBeaver, Butler, Lawrence96 min
Jun 19, 6:17 PM EDTFlash Flood WarningPHIBucks, Philadelphia5 hr
Jun 19, 6:49 PM EDTFlash Flood WarningPHIPhiladelphia4 hr
Jun 19, 6:50 PM EDTFlash Flood WarningCTPColumbia3 hr
Jun 19, 7:15 PM EDTFlash Flood WarningPHIBerks2 hr
Jun 19, 8:04 PM EDTFlash Flood WarningPBZAllegheny, Washington, Westmoreland116 min
Jun 19, 9:19 PM EDTFlash Flood WarningCTPLebanon3 hr
Jun 19, 10:39 PM EDTFlash Flood WarningCTPWarren3 hr
Jun 19, 11:11 PM EDTFlash Flood WarningPHIChester, Delaware6 hr
Jun 19, 11:17 PM EDTFlash Flood WarningPBZBeaver3 hr
Jun 19, 11:34 PM EDTFlash Flood WarningPHIBerks6 hr
Jun 20, 12:45 AM EDTFlash Flood WarningPHIMontgomery, Philadelphia6 hr
Jun 20, 2:48 PM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia4 hr
Jun 20, 3:20 PM EDTFlash Flood WarningPHIBucks4 hr
Jun 27, 6:59 PM EDTFlash Flood WarningPBZLawrence2 hr
Jun 28, 5:35 PM EDTFlash Flood WarningPHILehigh, Northampton2 hr
Jun 28, 5:45 PM EDTFlash Flood WarningPHIBerks2 hr
Jun 28, 7:36 PM EDTFlash Flood WarningPBZLawrence114 min
Jun 28, 8:31 PM EDTFlash Flood WarningPBZWestmoreland119 min
Jun 28, 9:06 PM EDTFlash Flood WarningPBZAllegheny114 min
Jun 29, 3:45 PM EDTFlash Flood WarningPHIChester3 hr
Jun 29, 4:00 PM EDTFlash Flood WarningPHIChester, Delaware3 hr
Jul 4, 11:53 AM EDTFlash Flood WarningPBZWestmoreland4 hr
Jul 4, 4:28 PM EDTFlash Flood WarningPHIChester2 hr
Jul 4, 5:49 PM EDTFlash Flood WarningPHIChester, Delaware, Montgomery, Philadelphia115 min
Jul 4, 5:56 PM EDTFlash Flood WarningPBZAllegheny3 hr
Jul 4, 6:59 PM EDTFlash Flood WarningPBZAllegheny2 hr
Jul 4, 7:21 PM EDTFlash Flood WarningPBZArmstrong, Butler, Clarion, Venango3 hr
Jul 4, 8:19 PM EDTFlash Flood WarningPBZClarion, Forest, Venango3 hr
Jul 4, 8:28 PM EDTFlash Flood WarningCTPWarren3 hr
Jul 5, 12:31 PM EDTFlash Flood WarningPBZArmstrong, Butler, Clarion3 hr
Jul 5, 12:57 PM EDTFlash Flood WarningPBZAllegheny3 hr
Jul 5, 2:41 PM EDTFlash Flood WarningCTPSomerset2 hr
Jul 5, 3:57 PM EDTFlash Flood WarningPHIBucks4 hr
Jul 5, 4:27 PM EDTFlash Flood WarningCLECrawford, Erie2 hr
Jul 5, 6:06 PM EDTFlash Flood WarningPBZMercer90 min
Jul 5, 7:08 PM EDTFlash Flood WarningCTPAdams3 hr
Jul 5, 8:30 PM EDTFlash Flood WarningCTPYork104 min
Jul 6, 5:02 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland88 min
Jul 6, 5:37 PM EDTFlash Flood WarningBGMLackawanna, Luzerne3 hr
Jul 6, 6:49 PM EDTFlash Flood WarningPHIMonroe, Northampton3 hr
Jul 6, 6:50 PM EDTFlash Flood WarningCTPCumberland, Dauphin, Lancaster, Lebanon, Perry, York3 hr
Jul 7, 7:18 AM EDTFlash Flood WarningPBZAllegheny, Beaver3 hr
Jul 7, 8:52 AM EDTFlash Flood WarningPBZAllegheny, Westmoreland3 hr
Jul 7, 1:02 PM EDTFlash Flood WarningPBZJefferson3 hr
Jul 7, 1:52 PM EDTFlash Flood WarningPBZClarion, Forest, Venango2 hr
Jul 7, 2:01 PM EDTFlash Flood WarningPBZAllegheny, Beaver, Washington2 hr
Jul 7, 2:21 PM EDTFlash Flood WarningPBZAllegheny2 hr
Jul 7, 3:10 PM EDTFlash Flood WarningPBZWashington2 hr
Jul 7, 3:28 PM EDTFlash Flood WarningPBZJefferson3 hr
Jul 7, 4:40 PM EDTFlash Flood WarningCTPCambria, Somerset3 hr
Jul 7, 5:06 PM EDTFlash Flood WarningPBZWestmoreland3 hr
Jul 7, 6:54 PM EDTFlash Flood WarningCTPBedford3 hr
Jul 7, 7:08 PM EDTFlash Flood WarningCTPSomerset3 hr
Jul 7, 8:08 PM EDTFlash Flood WarningPBZFayette3 hr
Jul 11, 8:09 AM EDTFlash Flood WarningPBZAllegheny4 hr
Jul 11, 8:34 AM EDTFlash Flood WarningPBZAllegheny, Westmoreland3 hr
Jul 11, 8:49 AM EDTFlash Flood WarningPBZAllegheny, Westmoreland116 min
Jul 11, 10:24 AM EDTFlash Flood WarningPBZAllegheny, Beaver99 min
Jul 11, 10:36 AM EDTFlash Flood WarningPBZAllegheny, Washington, Westmoreland3 hr
Jul 11, 12:53 PM EDTFlash Flood WarningPBZFayette, Greene3 hr
Jul 11, 1:22 PM EDTFlash Flood WarningPBZFayette3 hr
Jul 11, 3:00 PM EDTFlash Flood WarningPHIBerks, Chester, Montgomery8 hr
Jul 11, 3:18 PM EDTFlash Flood WarningCTPDauphin, Lancaster, Lebanon3 hr
Jul 11, 3:45 PM EDTFlash Flood WarningPHIBerks, Bucks, Lehigh, Montgomery, Northampton4 hr
Jul 11, 4:45 PM EDTFlash Flood Warning EmergencyPHIBerks, Montgomery4 hr
Jul 11, 5:12 PM EDTFlash Flood WarningPHIChester4 hr
Jul 11, 5:20 PM EDTFlash Flood WarningPHIBucks, Chester, Montgomery4 hr
Jul 11, 6:15 PM EDTFlash Flood WarningPHIBucks, Chester, Delaware, Montgomery, Philadelphia4 hr
Jul 11, 7:47 PM EDTFlash Flood WarningPHIBerks, Bucks, Lehigh, Montgomery3 hr
Jul 17, 4:53 PM EDTFlash Flood WarningBGMSusquehanna3 hr
Jul 17, 6:36 PM EDTFlash Flood WarningBGMPike3 hr
Jul 17, 7:06 PM EDTFlash Flood WarningPHIBerks3 hr
Jul 17, 7:21 PM EDTFlash Flood WarningPHIChester97 min
Jul 17, 7:36 PM EDTFlash Flood WarningPHIBucks, Lehigh, Montgomery3 hr
Jul 18, 2:55 PM EDTFlash Flood WarningPHIChester4 hr
Jul 18, 3:33 PM EDTFlash Flood WarningPHIChester, Delaware4 hr
Jul 19, 5:28 PM EDTFlash Flood WarningBGMBradford86 min
Jul 19, 9:20 PM EDTFlash Flood WarningCLECrawford11 hr
Jul 19, 10:06 PM EDTFlash Flood WarningPBZForest, Venango114 min
Jul 19, 10:30 PM EDTFlash Flood WarningPBZClarion, Venango85 min
Jul 19, 10:50 PM EDTFlash Flood WarningCLECrawford, Erie10 hr
Jul 20, 2:42 AM EDTFlash Flood WarningPBZVenango68 min
Jul 20, 2:54 AM EDTFlash Flood WarningPBZMercer2 hr
Jul 20, 8:12 AM EDTFlash Flood WarningPBZMercer112 min
Jul 21, 7:29 PM EDTFlash Flood WarningPBZFayette3 hr
Jul 21, 9:28 PM EDTFlash Flood WarningPBZAllegheny, Fayette, Washington, Westmoreland3 hr
Jul 21, 9:40 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland3 hr
Jul 21, 10:30 PM EDTFlash Flood WarningPHIBerks, Lehigh, Northampton3 hr
Jul 21, 10:31 PM EDTFlash Flood WarningPHIBerks, Lehigh, Northampton3 hr
Jul 21, 11:38 PM EDTFlash Flood WarningPHIBerks, Carbon, Lehigh, Monroe, Northampton2 hr
Jul 22, 1:04 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland3 hr
Jul 22, 5:05 PM EDTFlash Flood WarningPHIBerks, Lehigh, Northampton4 hr
Jul 22, 5:34 PM EDTFlash Flood WarningPHIBucks, Lehigh, Montgomery, Northampton4 hr
Jul 26, 4:08 PM EDTFlash Flood WarningPBZFayette2 hr
Jul 30, 10:38 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland2 hr
Jul 31, 1:19 PM EDTFlash Flood WarningPHIBucks, Delaware, Philadelphia5 hr
Jul 31, 1:46 PM EDTFlash Flood WarningPHIBucks3 hr
Jul 31, 1:50 PM EDTFlash Flood WarningCTPBedford, Somerset2 hr
Jul 31, 4:58 PM EDTFlash Flood WarningPHIMonroe4 hr
Aug 2, 3:16 PM EDTFlash Flood WarningPBZFayette, Westmoreland3 hr
Aug 2, 3:24 PM EDTFlash Flood WarningCTPBlair3 hr
Aug 2, 4:34 PM EDTFlash Flood WarningPBZAllegheny, Washington, Westmoreland106 min
Aug 2, 5:27 PM EDTFlash Flood WarningCTPColumbia, Montour, Northumberland3 hr
Aug 2, 6:45 PM EDTFlash Flood WarningPBZFayette, Greene69 min
Aug 5, 6:34 PM EDTFlash Flood WarningPBZMercer98 min
Aug 6, 6:57 PM EDTFlash Flood WarningPHIMonroe104 min
Aug 7, 3:24 PM EDTFlash Flood WarningPHIBerks106 min
Aug 7, 4:20 PM EDTFlash Flood WarningPHIBucks, Montgomery, Philadelphia4 hr
Aug 7, 4:44 PM EDTFlash Flood WarningPHIChester, Delaware, Montgomery, Philadelphia3 hr
Aug 14, 9:12 PM EDTFlash Flood WarningPHIChester, Delaware, Montgomery, Philadelphia3 hr
Aug 15, 2:48 PM EDTFlash Flood WarningBGMLuzerne91 min
Aug 15, 4:19 PM EDTFlash Flood WarningCTPLycoming3 hr
Aug 15, 7:27 PM EDTFlash Flood WarningCTPMcKean, Potter3 hr
Aug 15, 10:29 PM EDTFlash Flood WarningCTPMcKean3 hr
Aug 18, 5:18 PM EDTFlash Flood WarningBGMLuzerne97 min
Aug 18, 6:10 PM EDTFlash Flood WarningPBZMercer90 min
Sep 1, 9:15 PM EDTFlash Flood WarningPBZBeaver3 hr
Sep 1, 9:24 PM EDTFlash Flood WarningPBZMercer, Venango3 hr
Sep 1, 10:03 PM EDTFlash Flood WarningPBZAllegheny3 hr
Oct 31, 8:13 PM EDTFlash Flood WarningBGMBradford6 hr
Oct 31, 8:35 PM EDTFlash Flood WarningBGMSusquehanna5 hr
Oct 31, 8:49 PM EDTFlash Flood WarningCTPAdams, Cumberland, Dauphin, Lebanon, York3 hr
Oct 31, 9:41 PM EDTFlash Flood WarningPHIBerks4 hr
Oct 31, 10:26 PM EDTFlash Flood WarningCTPLancaster, York3 hr
Oct 31, 11:08 PM EDTFlash Flood WarningPHIBerks, Bucks, Chester, Lehigh, Montgomery, Northampton4 hr
Oct 31, 11:14 PM EDTFlash Flood WarningPHICarbon, Monroe, Northampton4 hr

By county

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

12 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. July 11, 201915flash flood warnings
  2. May 29, 201912flash flood warnings
  3. July 7, 201912flash flood warnings
  4. June 19, 201911flash flood warnings
  5. June 20, 20199flash flood warnings
  6. July 5, 20199flash flood warnings
  7. July 22, 20198flash flood warnings
  8. July 20, 20197flash flood warnings
  9. November 1, 20197flash flood warnings
  10. June 18, 20196flash flood warnings
  11. July 4, 20196flash flood warnings
  12. July 6, 20195flash flood warnings

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. Rebuilt daily.