Alert archive / Pennsylvania / Flash Flood Warnings
Flash Flood Warnings in Pennsylvania, 2015
75 flash flood warnings in 2015. 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 2015. Tap one for its archive.
- Flash Flood Warnings
- 75
- Busiest month
- June41 flash flood warnings
- Busiest day
- June 15, 201511 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 6:44 PM EDT | Flash Flood Warning | CTP | Lebanon, Schuylkill | 5 hr |
| May 18, 6:58 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| May 18, 7:13 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| May 29, 5:38 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 3 hr |
| May 31, 2:00 PM EDT | Flash Flood Warning | BGM | Pike | 6 hr |
| May 31, 5:42 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 6 hr |
| May 31, 6:31 PM EDT | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| May 31, 6:44 PM EDT | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| May 31, 7:46 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 4 hr |
| Jun 8, 4:19 PM EDT | Flash Flood Warning | CTP | Dauphin, Juniata, Perry | 5 hr |
| Jun 8, 5:06 PM EDT | Flash Flood Warning | CTP | Cumberland, Dauphin, Franklin, Perry | 3 hr |
| Jun 8, 6:39 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne | 3 hr |
| Jun 14, 7:24 PM EDT | Flash Flood Warning | PBZ | Armstrong | 3 hr |
| Jun 14, 7:38 PM EDT | Flash Flood Warning | BGM | Luzerne | 6 hr |
| Jun 14, 9:08 PM EDT | Flash Flood Warning | PBZ | Allegheny | 9 hr |
| Jun 14, 9:37 PM EDT | Flash Flood Warning | PBZ | Beaver | 8 hr |
| Jun 14, 9:42 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jun 14, 10:01 PM EDT | Flash Flood Warning | PBZ | Butler, Lawrence, Mercer | 6 hr |
| Jun 14, 10:16 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 10 hr |
| Jun 14, 10:32 PM EDT | Flash Flood Warning | PBZ | Indiana | 6 hr |
| Jun 14, 11:14 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 9 hr |
| Jun 15, 12:46 AM EDT | Flash Flood Warning | PBZ | Allegheny | 5 hr |
| Jun 15, 5:09 PM EDT | Flash Flood Warning | PBZ | Butler, Lawrence, Mercer, Venango | 3 hr |
| Jun 15, 7:26 PM EDT | Flash Flood Warning | PHI | Northampton | 4 hr |
| Jun 15, 7:33 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 12 hr |
| Jun 15, 8:04 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Jun 15, 8:13 PM EDT | Flash Flood Warning | PBZ | Indiana, Westmoreland | 12 hr |
| Jun 15, 8:56 PM EDT | Flash Flood Warning | PBZ | Beaver, Butler, Lawrence | 3 hr |
| Jun 15, 10:07 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 10 hr |
| Jun 18, 9:35 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 4 hr |
| Jun 19, 12:05 AM EDT | Flash Flood Warning | PBZ | Clarion, Forest, Venango | 3 hr |
| Jun 20, 6:54 PM EDT | Flash Flood Warning | CTP | Cambria | 3 hr |
| Jun 20, 6:59 PM EDT | Flash Flood Warning | PBZ | Allegheny, Butler, Westmoreland | 3 hr |
| Jun 20, 7:05 PM EDT | Flash Flood Warning | CTP | Bedford, Blair, Cambria | 3 hr |
| Jun 20, 7:28 PM EDT | Flash Flood Warning | CTP | Dauphin, Lebanon | 3 hr |
| Jun 23, 9:42 AM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Jun 23, 12:38 PM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Jun 23, 1:59 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Butler, Indiana, Westmoreland | 2 hr |
| Jun 23, 2:25 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Westmoreland | 3 hr |
| Jun 23, 3:16 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 3 hr |
| Jun 23, 4:06 PM EDT | Flash Flood Warning | CTP | Cumberland | 4 hr |
| Jun 26, 10:59 PM EDT | Flash Flood Warning | PHI | Montgomery | 4 hr |
| Jun 26, 11:13 PM EDT | Flash Flood Warning | PHI | Montgomery, Philadelphia | 4 hr |
| Jun 26, 11:45 PM EDT | Flash Flood Warning | PHI | Chester, Montgomery | 4 hr |
| Jun 27, 6:43 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jun 30, 1:48 PM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Jun 30, 2:26 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 3 hr |
| Jun 30, 2:55 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 4 hr |
| Jun 30, 3:58 PM EDT | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| Jun 30, 6:03 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 11 hr |
| Jun 30, 9:29 PM EDT | Flash Flood Warning | CTP | Lycoming, Montour, Northumberland, Union | 3 hr |
| Jul 6, 7:55 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Jul 6, 8:18 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 4 hr |
| Jul 9, 8:51 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 4 hr |
| Jul 13, 8:49 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Westmoreland | 3 hr |
| Jul 14, 3:55 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 14, 7:50 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Jul 15, 4:27 AM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 4 hr |
| Jul 15, 5:36 AM EDT | Flash Flood Warning | PHI | Bucks, Chester, Philadelphia | 4 hr |
| Jul 15, 7:22 AM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 4 hr |
| Jul 18, 2:36 AM EDT | Flash Flood Warning | CTP | Clearfield | 3 hr |
| Jul 26, 8:14 PM EDT | Flash Flood Warning | BGM | Pike | 3 hr |
| Jul 26, 10:02 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 7 hr |
| Jul 27, 1:10 AM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Aug 19, 4:35 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 3 hr |
| Aug 20, 1:14 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, York | 3 hr |
| Aug 20, 10:55 PM EDT | Flash Flood Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 4 hr |
| Aug 21, 12:46 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 4 hr |
| Sep 9, 5:25 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Sep 9, 6:46 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Butler | 3 hr |
| Sep 10, 11:31 AM EDT | Flash Flood Warning | CTP | York | 3 hr |
| Sep 10, 11:36 AM EDT | Flash Flood Warning | CTP | Adams, York | 3 hr |
| Sep 10, 6:19 PM EDT | Flash Flood Warning | PHI | Chester, Montgomery | 116 min |
| Sep 10, 9:09 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Philadelphia | 6 hr |
| Sep 12, 4:55 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County16
- Westmoreland County11
- Montgomery County10
- Bucks County8
- Butler County7
- Philadelphia County7
- Chester County7
- Armstrong County6
- Indiana County5
- Monroe County5
- Berks County5
- Lehigh County5
- Beaver County5
- Lawrence County5
- Schuylkill County4
- Carbon County4
- Northampton County4
- York County4
- Dauphin County3
- Cumberland County3
- Mercer County3
- Washington County3
- Delaware County3
- Lebanon County2
- Pike County2
- Perry County2
- Franklin County2
- Luzerne County2
- Venango County2
- Cambria County2
- Adams County2
- Juniata County1
- Lackawanna County1
- Clarion County1
- Forest County1
- Bedford County1
- Blair County1
- Lancaster County1
- Lycoming County1
- Montour County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.