Alert archive / Pennsylvania / Flash Flood Warnings / 2024
Flash Flood Warnings in Pennsylvania, August 2024
68 flash flood warnings in August 2024. 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 August 2024. Tap one for its archive.
- Flash Flood Warnings
- 68
- Busiest day
- August 9, 202421 flash flood warnings
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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 9:40 PM EDT | Flash Flood Warning | PHI | Delaware, Philadelphia | 4 hr |
| Aug 3, 12:47 PM EDT | Flash Flood Warning | CTP | Cumberland | 2 hr |
| Aug 3, 1:42 PM EDT | Flash Flood Warning | CTP | Perry | 76 min |
| Aug 3, 2:53 PM EDT | Flash Flood Warning | BGM | Luzerne | 4 hr |
| Aug 3, 2:53 PM EDT | Flash Flood Warning | PHI | Carbon | 117 min |
| Aug 3, 3:23 PM EDT | Flash Flood Warning | BGM | Pike, Wayne | 3 hr |
| Aug 3, 3:35 PM EDT | Flash Flood Warning | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming | 4 hr |
| Aug 5, 6:10 PM EDT | Flash Flood Warning | BGM | Bradford, Susquehanna | 3 hr |
| Aug 6, 2:00 PM EDT | Flash Flood Warning | PBZ | Butler, Lawrence, Mercer | 3 hr |
| Aug 6, 2:37 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Jefferson | 3 hr |
| Aug 6, 3:19 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Westmoreland | 6 hr |
| Aug 6, 3:39 PM EDT | Flash Flood Warning | PBZ | Indiana | 2 hr |
| Aug 6, 4:02 PM EDT | Flash Flood Warning | BGM | Luzerne | 3 hr |
| Aug 6, 4:07 PM EDT | Flash Flood Warning | CTP | Lancaster | 2 hr |
| Aug 6, 4:32 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 8 hr |
| Aug 6, 6:37 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 3 hr |
| Aug 6, 6:57 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 3 hr |
| Aug 6, 7:32 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Aug 6, 7:34 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver | 82 min |
| Aug 6, 8:29 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 6, 9:12 PM EDT | Flash Flood Warning | PHI | Bucks, Philadelphia | 3 hr |
| Aug 8, 5:48 PM EDT | Flash Flood Warning | PHI | Chester | 6 hr |
| Aug 8, 8:52 PM EDT | Flash Flood Warning | PHI | Berks, Chester | 3 hr |
| Aug 9, 12:12 AM EDT | Flash Flood Warning | CTP | Bedford, Fulton | 3 hr |
| Aug 9, 4:30 AM EDT | Flash Flood Warning | CTP | Cumberland, Dauphin, York | 99 min |
| Aug 9, 7:06 AM EDT | Flash Flood Warning | CTP | Lycoming, Union | 2 hr |
| Aug 9, 7:52 AM EDT | Flash Flood Warning | BGM | Susquehanna | 8 hr |
| Aug 9, 7:52 AM EDT | Flash Flood Warning | CTP | Lycoming, Tioga | 2 hr |
| Aug 9, 8:44 AM EDT | Flash Flood Warning | CTP | Adams, York | 2 hr |
| Aug 9, 8:54 AM EDT | Flash Flood Warning | CTP | Tioga | 6 hr |
| Aug 9, 9:18 AM EDT | Flash Flood Warning | CTP | Cumberland, Dauphin, York | 117 min |
| Aug 9, 10:07 AM EDT | Flash Flood Warning | CTP | York | 113 min |
| Aug 9, 10:58 AM EDT | Flash Flood Warning | CTP | Potter, Tioga | 6 hr |
| Aug 9, 11:33 AM EDT | Flash Flood Warning | BGM | Bradford, Luzerne, Susquehanna, Wyoming | 4 hr |
| Aug 9, 12:34 PM EDT | Flash Flood Warning | CTP | Lycoming | 116 min |
| Aug 9, 12:45 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne, Wyoming | 4 hr |
| Aug 9, 12:45 PM EDT | Flash Flood Warning | CTP | Sullivan | 3 hr |
| Aug 9, 1:33 PM EDT | Flash Flood Warning | BGM | Susquehanna, Wayne | 4 hr |
| Aug 9, 2:50 PM EDT | Flash Flood Warning | PHI | Lehigh, Northampton | 2 hr |
| Aug 9, 3:31 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 108 min |
| Aug 9, 3:50 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 2 hr |
| Aug 9, 4:11 PM EDT | Flash Flood Warning | PHI | Northampton | 100 min |
| Aug 9, 5:30 PM EDT | Flash Flood Warning | PHI | Bucks | 83 min |
| Aug 17, 12:42 PM EDT | Flash Flood Warning | CTP | Centre, Clinton | 101 min |
| Aug 17, 6:05 PM EDT | Flash Flood Warning | CLE | Crawford | 4 hr |
| Aug 17, 8:04 PM EDT | Flash Flood Warning | CTP | Blair, Centre, Huntingdon | 3 hr |
| Aug 17, 8:47 PM EDT | Flash Flood Warning | CTP | Centre, Huntingdon | 3 hr |
| Aug 18, 1:35 AM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 2 hr |
| Aug 18, 2:02 AM EDT | Flash Flood Warning | CTP | Clearfield | 118 min |
| Aug 18, 3:09 AM EDT | Flash Flood Warning | PHI | Bucks | 93 min |
| Aug 18, 2:21 PM EDT | Flash Flood Warning | BGM | Lackawanna, Susquehanna, Wayne | 9 hr |
| Aug 18, 4:56 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 6 hr |
| Aug 18, 5:31 PM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Northampton | 6 hr |
| Aug 18, 5:37 PM EDT | Flash Flood Warning | BGM | Susquehanna | 3 hr |
| Aug 18, 5:42 PM EDT | Flash Flood Warning | BGM | Lackawanna, Susquehanna, Wyoming | 5 hr |
| Aug 18, 6:37 PM EDT | Flash Flood Warning | BGM | Susquehanna | 3 hr |
| Aug 18, 8:28 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 3 hr |
| Aug 18, 8:35 PM EDT | Flash Flood Warning | CTP | Lancaster | 2 hr |
| Aug 29, 3:53 PM EDT | Flash Flood Warning | CTP | Somerset | 2 hr |
| Aug 29, 3:59 PM EDT | Flash Flood Warning | CTP | Bedford | 2 hr |
| Aug 29, 4:57 PM EDT | Flash Flood Warning | CTP | Cambria | 2 hr |
| Aug 29, 5:11 PM EDT | Flash Flood Warning | PBZ | Washington | 77 min |
| Aug 29, 7:27 PM EDT | Flash Flood Warning | CTP | Clinton | 3 hr |
| Aug 29, 10:27 PM EDT | Flash Flood Warning | CTP | Juniata, Mifflin | 4 hr |
| Aug 29, 10:48 PM EDT | Flash Flood Warning | CTP | Juniata, Perry | 3 hr |
| Aug 29, 11:14 PM EDT | Flash Flood Warning | PHI | Delaware | 3 hr |
| Aug 31, 3:33 PM EDT | Flash Flood Warning | CTP | Bedford, Cambria, Somerset | 2 hr |
| Aug 31, 7:30 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 85 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Susquehanna County9
- Northampton County7
- Bucks County7
- Delaware County5
- Luzerne County5
- Philadelphia County4
- Lackawanna County4
- Wyoming County4
- Montgomery County4
- Lehigh County4
- Monroe County4
- York County4
- Cumberland County3
- Wayne County3
- Bradford County3
- Allegheny County3
- Chester County3
- Berks County3
- Bedford County3
- Lycoming County3
- Tioga County3
- Centre County3
- Perry County2
- Carbon County2
- Butler County2
- Armstrong County2
- Indiana County2
- Beaver County2
- Westmoreland County2
- Lancaster County2
- Dauphin County2
- Clinton County2
- Huntingdon County2
- Somerset County2
- Cambria County2
- Washington County2
- Juniata County2
- Pike County1
- Lawrence County1
- Mercer County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.