Alert archive / Pennsylvania / Flash Flood Warnings
Flash Flood Warnings in Pennsylvania, 1996
535 flash flood warnings in 1996. 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 1996. Tap one for its archive.
- Flash Flood Warnings
- 535
- Busiest month
- June126 flash flood warnings
- Busiest day
- January 19, 199656 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 |
|---|---|---|---|---|
| Jan 18, 3:24 PM EST | Flash Flood Warning | CLE | Crawford | 6 hr |
| Jan 18, 7:17 PM EST | Flash Flood Warning | PBZ | Venango | 7 hr |
| Jan 18, 9:25 PM EST | Flash Flood Warning | CLE | Crawford | 6 hr |
| Jan 18, 10:42 PM EST | Flash Flood Warning | PBZ | Lawrence | 6 hr |
| Jan 19, 2:00 AM EST | Flash Flood Warning | PBZ | Venango | 6 hr |
| Jan 19, 2:48 AM EST | Flash Flood Warning | CLE | Erie | 5 hr |
| Jan 19, 4:58 AM EST | Flash Flood Warning | PBZ | Fayette, Washington, Westmoreland | 6 hr |
| Jan 19, 4:58 AM EST | Flash Flood Warning | PBZ | Allegheny, Beaver | 6 hr |
| Jan 19, 5:00 AM EST | Flash Flood Warning | CTP | Elk, McKean, Warren | 5 hr |
| Jan 19, 5:00 AM EST | Flash Flood Warning | CTP | Cambria, Somerset | 5 hr |
| Jan 19, 5:00 AM EST | Flash Flood Warning | CTP | Clearfield | 5 hr |
| Jan 19, 5:11 AM EST | Flash Flood Warning | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Venango | 6 hr |
| Jan 19, 5:11 AM EST | Flash Flood Warning | PBZ | Indiana | 6 hr |
| Jan 19, 5:11 AM EST | Flash Flood Warning | PBZ | Lawrence, Mercer | 6 hr |
| Jan 19, 6:23 AM EST | Flash Flood Warning | CTP | Blair, Centre, Clinton, Huntingdon | 4 hr |
| Jan 19, 6:23 AM EST | Flash Flood Warning | CTP | Cameron, Potter | 4 hr |
| Jan 19, 6:23 AM EST | Flash Flood Warning | CTP | Bedford, Fulton | 4 hr |
| Jan 19, 6:47 AM EST | Flash Flood Warning | CTP | Mifflin, Union | 4 hr |
| Jan 19, 6:47 AM EST | Flash Flood Warning | CTP | Lycoming, Tioga | 4 hr |
| Jan 19, 6:47 AM EST | Flash Flood Warning | CTP | Adams, Cumberland, Franklin | 4 hr |
| Jan 19, 6:47 AM EST | Flash Flood Warning | CTP | Juniata, Perry, Snyder | 4 hr |
| Jan 19, 6:53 AM EST | Flash Flood Warning | PBZ | Venango | 4 hr |
| Jan 19, 7:01 AM EST | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, Northumberland, Schuylkill, York | 5 hr |
| Jan 19, 7:01 AM EST | Flash Flood Warning | CTP | Columbia, Sullivan | 5 hr |
| Jan 19, 7:01 AM EST | Flash Flood Warning | CTP | Montour | 5 hr |
| Jan 19, 8:25 AM EST | Flash Flood Warning | CLE | Crawford | 3 hr |
| Jan 19, 8:25 AM EST | Flash Flood Warning | CLE | Erie | 3 hr |
| Jan 19, 8:55 AM EST | Flash Flood Warning | CTP | Bedford, Blair, Fulton, Huntingdon | 6 hr |
| Jan 19, 8:55 AM EST | Flash Flood Warning | CTP | Cambria, Clearfield, Somerset | 6 hr |
| Jan 19, 8:55 AM EST | Flash Flood Warning | CTP | Cameron, Elk, McKean, Warren | 6 hr |
| Jan 19, 9:17 AM EST | Flash Flood Warning | CTP | Cumberland, Franklin, Juniata, Perry | 6 hr |
| Jan 19, 9:17 AM EST | Flash Flood Warning | CTP | Lycoming, Potter, Tioga | 6 hr |
| Jan 19, 9:17 AM EST | Flash Flood Warning | CTP | Adams | 6 hr |
| Jan 19, 9:17 AM EST | Flash Flood Warning | CTP | Centre, Mifflin | 6 hr |
| Jan 19, 9:17 AM EST | Flash Flood Warning | CTP | Clinton | 6 hr |
| Jan 19, 10:00 AM EST | Flash Flood Warning | PHI | Bucks | 9 hr |
| Jan 19, 10:00 AM EST | Flash Flood Warning | PHI | Carbon, Monroe, Northampton | 9 hr |
| Jan 19, 10:00 AM EST | Flash Flood Warning | PHI | Chester, Delaware | 9 hr |
| Jan 19, 10:00 AM EST | Flash Flood Warning | PHI | Philadelphia | 9 hr |
| Jan 19, 10:00 AM EST | Flash Flood Warning | PHI | Berks, Lehigh, Montgomery | 9 hr |
| Jan 19, 10:02 AM EST | Flash Flood Warning | PBZ | Beaver, Butler | 6 hr |
| Jan 19, 10:07 AM EST | Flash Flood Warning | CTP | Columbia, Dauphin, Montour, Northumberland, Schuylkill, Snyder and 1 more | 5 hr |
| Jan 19, 10:07 AM EST | Flash Flood Warning | CTP | Lancaster, Lebanon, York | 5 hr |
| Jan 19, 10:07 AM EST | Flash Flood Warning | CTP | Sullivan | 5 hr |
| Jan 19, 10:10 AM EST | Flash Flood Warning | PBZ | Indiana, Westmoreland | 6 hr |
| Jan 19, 10:10 AM EST | Flash Flood Warning | PBZ | Fayette | 6 hr |
| Jan 19, 10:22 AM EST | Flash Flood Warning | PBZ | Clarion, Forest, Indiana, Jefferson | 6 hr |
| Jan 19, 10:40 AM EST | Flash Flood Warning | PBZ | Allegheny, Greene, Washington | 5 hr |
| Jan 19, 10:43 AM EST | Flash Flood Warning | PBZ | Lawrence, Mercer, Venango | 5 hr |
| Jan 19, 11:37 AM EST | Flash Flood Warning | CTP | McKean | 3 hr |
| Jan 19, 12:46 PM EST | Flash Flood Warning | BGM | Pike, Wayne | 5 hr |
| Jan 19, 12:46 PM EST | Flash Flood Warning | BGM | Lackawanna, Luzerne, Wyoming | 5 hr |
| Jan 19, 3:58 PM EST | Flash Flood Warning | PBZ | Armstrong, Butler, Fayette, Indiana, Westmoreland | 6 hr |
| Jan 19, 3:58 PM EST | Flash Flood Warning | PBZ | Beaver, Lawrence | 6 hr |
| Jan 19, 3:58 PM EST | Flash Flood Warning | PBZ | Clarion, Forest, Jefferson | 6 hr |
| Jan 19, 3:58 PM EST | Flash Flood Warning | PBZ | Venango | 6 hr |
| Jan 19, 6:13 PM EST | Flash Flood Warning | CLE | Crawford | 6 hr |
| Jan 19, 9:05 PM EST | Flash Flood Warning | PBZ | Armstrong, Butler, Fayette, Indiana, Westmoreland | 7 hr |
| Jan 19, 9:05 PM EST | Flash Flood Warning | PBZ | Clarion, Forest, Jefferson | 7 hr |
| Jan 19, 9:05 PM EST | Flash Flood Warning | PBZ | Venango | 7 hr |
| Jan 19, 9:05 PM EST | Flash Flood Warning | PBZ | Beaver, Lawrence | 7 hr |
| Jan 19, 10:22 PM EST | Flash Flood Warning | CTP | Cumberland, Dauphin | 2 hr |
| Jan 20, 4:05 AM EST | Flash Flood Warning | PBZ | Armstrong, Butler, Clarion, Forest, Venango | 7 hr |
| Jan 20, 4:05 AM EST | Flash Flood Warning | PBZ | Fayette, Westmoreland | 7 hr |
| Jan 20, 4:05 AM EST | Flash Flood Warning | PBZ | Beaver, Lawrence | 7 hr |
| Jan 20, 4:05 AM EST | Flash Flood Warning | PBZ | Indiana, Jefferson | 7 hr |
| Jan 24, 7:53 AM EST | Flash Flood Warning | PBZ | Fayette, Greene | 2 hr |
| Jan 27, 8:17 AM EST | Flash Flood Warning | BGM | Wyoming | 6 hr |
| Jan 27, 8:28 AM EST | Flash Flood Warning | BGM | Pike, Wayne | 6 hr |
| Jan 27, 11:41 AM EST | Flash Flood Warning | CTP | Huntingdon | 7 hr |
| Jan 27, 1:25 PM EST | Flash Flood Warning | BGM | Pike, Wayne | 4 hr |
| Jan 27, 1:25 PM EST | Flash Flood Warning | BGM | Susquehanna, Wyoming | 4 hr |
| Jan 27, 5:35 PM EST | Flash Flood Warning | PHI | Bucks | 10 hr |
| Jan 27, 5:42 PM EST | Flash Flood Warning | PHI | Delaware | 5 hr |
| Feb 20, 3:45 PM EST | Flash Flood Warning | PBZ | Indiana, Jefferson | 3 hr |
| Feb 20, 3:45 PM EST | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Feb 20, 5:15 PM EST | Flash Flood Warning | CTP | Cameron, Potter | 6 hr |
| Feb 20, 5:15 PM EST | Flash Flood Warning | CTP | Clearfield, Elk | 6 hr |
| Feb 20, 6:37 PM EST | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Feb 27, 8:28 PM EST | Flash Flood Warning | CLE | Crawford, Erie | 3 hr |
| Feb 27, 10:42 PM EST | Flash Flood Warning | PBZ | Fayette, Greene | 3 hr |
| Feb 28, 12:09 AM EST | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington | 3 hr |
| Feb 28, 12:26 AM EST | Flash Flood Warning | PBZ | Butler, Westmoreland | 3 hr |
| Feb 28, 12:37 AM EST | Flash Flood Warning | PBZ | Armstrong, Indiana, Jefferson | 3 hr |
| Feb 28, 12:37 AM EST | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Mar 19, 7:39 PM EST | Flash Flood Warning | CTP | Cameron, Elk | 4 hr |
| Mar 19, 8:30 PM EST | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Mar 19, 9:50 PM EST | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Mar 19, 9:55 PM EST | Flash Flood Warning | CTP | Cambria | 5 hr |
| Mar 19, 10:11 PM EST | Flash Flood Warning | PBZ | Beaver, Butler | 3 hr |
| Mar 19, 11:01 PM EST | Flash Flood Warning | CTP | Bedford | 4 hr |
| Mar 20, 8:57 AM EST | Flash Flood Warning | CTP | Huntingdon | 8 hr |
| Apr 1, 8:21 PM EST | Flash Flood Warning | PHI | Chester, Montgomery | 4 hr |
| Apr 1, 11:55 PM EST | Flash Flood Warning | PHI | Chester, Montgomery | 7 hr |
| Apr 2, 12:35 AM EST | Flash Flood Warning | PHI | Lehigh | 4 hr |
| Apr 16, 1:23 AM EDT | Flash Flood Warning | PHI | Carbon, Lehigh | 4 hr |
| Apr 16, 1:23 AM EDT | Flash Flood Warning | PHI | Berks, Chester | 4 hr |
| Apr 16, 1:25 AM EDT | Flash Flood Warning | BGM | Pike, Wayne | 6 hr |
| Apr 16, 3:04 AM EDT | Flash Flood Warning | CTP | Lebanon, Schuylkill | 4 hr |
| Apr 16, 3:04 AM EDT | Flash Flood Warning | CTP | Lancaster, York | 4 hr |
| Apr 16, 3:15 AM EDT | Flash Flood Warning | PHI | Monroe | 6 hr |
| Apr 16, 4:15 AM EDT | Flash Flood Warning | PHI | Monroe | 6 hr |
| Apr 16, 5:32 AM EDT | Flash Flood Warning | PHI | Chester, Delaware | 7 hr |
| Apr 16, 7:50 AM EDT | Flash Flood Warning | BGM | Pike, Wayne | 6 hr |
| Apr 16, 9:15 AM EDT | Flash Flood Warning | PHI | Monroe | 6 hr |
| Apr 16, 1:14 PM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Apr 23, 9:07 AM EDT | Flash Flood Warning | CLE | Crawford, Erie | 6 hr |
| Apr 23, 4:41 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 3 hr |
| Apr 30, 11:33 AM EDT | Flash Flood Warning | PBZ | Jefferson | 4 hr |
| Apr 30, 2:01 PM EDT | Flash Flood Warning | CTP | Potter | 3 hr |
| Apr 30, 3:30 PM EDT | Flash Flood Warning | PBZ | Jefferson | 6 hr |
| Apr 30, 3:53 PM EDT | Flash Flood Warning | CTP | Tioga | 2 hr |
| May 9, 1:00 AM EDT | Flash Flood Warning | CTP | Somerset | 3 hr |
| May 9, 3:47 AM EDT | Flash Flood Warning | PBZ | Washington | 4 hr |
| May 9, 7:31 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| May 9, 8:02 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| May 10, 3:50 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 115 min |
| May 10, 5:08 PM EDT | Flash Flood Warning | CTP | Warren | 4 hr |
| May 10, 8:55 PM EDT | Flash Flood Warning | CTP | Warren | 3 hr |
| May 11, 11:09 AM EDT | Flash Flood Warning | PBZ | Lawrence, Mercer | 5 hr |
| May 11, 11:09 AM EDT | Flash Flood Warning | PBZ | Clarion, Forest, Venango | 5 hr |
| May 11, 11:09 AM EDT | Flash Flood Warning | PBZ | Jefferson | 5 hr |
| May 11, 12:40 PM EDT | Flash Flood Warning | CTP | Elk, McKean, Warren | 5 hr |
| May 11, 12:40 PM EDT | Flash Flood Warning | CTP | Cameron, Potter | 5 hr |
| May 11, 1:48 PM EDT | Flash Flood Warning | CTP | Tioga | 4 hr |
| May 11, 3:59 PM EDT | Flash Flood Warning | PBZ | Lawrence, Mercer, Venango | 6 hr |
| May 11, 3:59 PM EDT | Flash Flood Warning | PBZ | Forest | 6 hr |
| May 11, 9:42 PM EDT | Flash Flood Warning | PBZ | Venango | 8 hr |
| May 11, 9:42 PM EDT | Flash Flood Warning | PBZ | Lawrence | 8 hr |
| May 12, 4:30 AM EDT | Flash Flood Warning | PBZ | Lawrence | 6 hr |
| May 17, 7:45 AM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| May 17, 8:07 AM EDT | Flash Flood Warning | PBZ | Allegheny, Fayette, Washington | 3 hr |
| May 17, 10:58 AM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jun 7, 8:13 PM EDT | Flash Flood Warning | CTP | Columbia | 3 hr |
| Jun 7, 8:51 PM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jun 7, 9:40 PM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
| Jun 7, 9:47 PM EDT | Flash Flood Warning | CLE | Erie | 118 min |
| Jun 7, 10:55 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Jun 8, 3:41 PM EDT | Flash Flood Warning | PBZ | Fayette | 4 hr |
| Jun 8, 5:03 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 117 min |
| Jun 11, 4:40 PM EDT | Flash Flood Warning | CTP | Schuylkill | 4 hr |
| Jun 11, 4:46 PM EDT | Flash Flood Warning | CTP | Schuylkill | 59 min |
| Jun 11, 5:17 PM EDT | Flash Flood Warning | CTP | Bedford | 73 min |
| Jun 11, 5:53 PM EDT | Flash Flood Warning | CTP | Bedford | 67 min |
| Jun 11, 7:35 PM EDT | Flash Flood Warning | CLE | Erie | 85 min |
| Jun 11, 8:38 PM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Jun 11, 11:40 PM EDT | Flash Flood Warning | CTP | Franklin | 5 hr |
| Jun 12, 5:00 AM EDT | Flash Flood Warning | CTP | Franklin | 6 hr |
| Jun 12, 10:50 AM EDT | Flash Flood Warning | CTP | Franklin | 5 hr |
| Jun 12, 4:28 PM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Jun 12, 4:48 PM EDT | Flash Flood Warning | CTP | Cumberland | 3 hr |
| Jun 12, 4:55 PM EDT | Flash Flood Warning | BGM | Wayne | 65 min |
| Jun 12, 5:39 PM EDT | Flash Flood Warning | CTP | Juniata, Mifflin | 66 min |
| Jun 12, 6:14 PM EDT | Flash Flood Warning | BGM | Wayne | 3 hr |
| Jun 12, 6:28 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 2 hr |
| Jun 12, 7:11 PM EDT | Flash Flood Warning | BGM | Susquehanna | 109 min |
| Jun 12, 8:15 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 3 hr |
| Jun 12, 10:15 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Jun 13, 2:00 AM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Jun 14, 2:01 AM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jun 14, 5:09 PM EDT | Flash Flood Warning | CTP | Cambria, Somerset | 2 hr |
| Jun 14, 7:11 PM EDT | Flash Flood Warning | CTP | Cambria, Somerset | 109 min |
| Jun 14, 7:26 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jun 17, 2:10 PM EDT | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| Jun 17, 3:05 PM EDT | Flash Flood Warning | CTP | Lebanon | 3 hr |
| Jun 17, 4:59 PM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Jun 17, 5:02 PM EDT | Flash Flood Warning | CTP | Centre | 118 min |
| Jun 17, 5:16 PM EDT | Flash Flood Warning | CTP | Lebanon | 3 hr |
| Jun 17, 5:46 PM EDT | Flash Flood Warning | CTP | Dauphin | 3 hr |
| Jun 17, 6:55 PM EDT | Flash Flood Warning | CTP | Centre | 4 hr |
| Jun 17, 7:20 PM EDT | Flash Flood Warning | CTP | Columbia | 3 hr |
| Jun 17, 8:00 PM EDT | Flash Flood Warning | CTP | Lancaster, Lebanon | 3 hr |
| Jun 17, 8:14 PM EDT | Flash Flood Warning | PHI | Chester | 2 hr |
| Jun 18, 6:18 AM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Jun 18, 8:58 AM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Jun 18, 9:40 AM EDT | Flash Flood Warning | CLE | Erie | 65 min |
| Jun 18, 9:48 AM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Jun 18, 12:34 PM EDT | Flash Flood Warning | CLE | Erie | 116 min |
| Jun 18, 2:36 PM EDT | Flash Flood Warning | PBZ | Butler | 2 hr |
| Jun 18, 3:38 PM EDT | Flash Flood Warning | PBZ | Armstrong | 2 hr |
| Jun 18, 4:25 PM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Jun 18, 4:50 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Jun 18, 5:24 PM EDT | Flash Flood Warning | PBZ | Washington | 2 hr |
| Jun 18, 5:43 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 107 min |
| Jun 18, 5:49 PM EDT | Flash Flood Warning | CTP | Cambria, Somerset | 4 hr |
| Jun 18, 5:49 PM EDT | Flash Flood Warning | PBZ | Allegheny | 2 hr |
| Jun 18, 6:52 PM EDT | Flash Flood Warning | CTP | Bedford | 4 hr |
| Jun 18, 7:11 PM EDT | Flash Flood Warning | CTP | Adams | 3 hr |
| Jun 18, 7:25 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 3 hr |
| Jun 18, 8:07 PM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Jun 18, 8:28 PM EDT | Flash Flood Warning | CTP | Blair | 3 hr |
| Jun 18, 8:36 PM EDT | Flash Flood Warning | CTP | Fulton, Huntingdon | 3 hr |
| Jun 18, 8:40 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Jun 18, 9:40 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 4 hr |
| Jun 18, 9:44 PM EDT | Flash Flood Warning | CTP | Somerset | 3 hr |
| Jun 18, 9:49 PM EDT | Flash Flood Warning | CTP | Adams | 4 hr |
| Jun 18, 9:57 PM EDT | Flash Flood Warning | CTP | Fulton | 3 hr |
| Jun 18, 10:55 PM EDT | Flash Flood Warning | CTP | Franklin, Huntingdon | 3 hr |
| Jun 18, 10:55 PM EDT | Flash Flood Warning | CTP | Bedford | 3 hr |
| Jun 18, 11:21 PM EDT | Flash Flood Warning | CLE | Erie | 4 hr |
| Jun 19, 1:00 AM EDT | Flash Flood Warning | CTP | Bedford, Fulton, Huntingdon | 4 hr |
| Jun 19, 1:00 AM EDT | Flash Flood Warning | CTP | Adams, Franklin | 4 hr |
| Jun 19, 1:30 AM EDT | Flash Flood Warning | CTP | York | 4 hr |
| Jun 19, 1:36 AM EDT | Flash Flood Warning | PBZ | Washington | 4 hr |
| Jun 19, 1:36 AM EDT | Flash Flood Warning | PBZ | Allegheny | 4 hr |
| Jun 19, 1:51 AM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
| Jun 19, 3:57 AM EDT | Flash Flood Warning | CLE | Crawford, Erie | 6 hr |
| Jun 19, 4:50 AM EDT | Flash Flood Warning | CTP | Adams, Franklin, York | 6 hr |
| Jun 19, 5:41 AM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 4 hr |
| Jun 19, 8:55 AM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Jun 19, 9:29 AM EDT | Flash Flood Warning | PBZ | Allegheny | 5 hr |
| Jun 19, 1:43 PM EDT | Flash Flood Warning | CLE | Erie | 4 hr |
| Jun 19, 2:35 PM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Jun 19, 5:15 PM EDT | Flash Flood Warning | CTP | Bedford, Franklin, Fulton | 4 hr |
| Jun 19, 5:15 PM EDT | Flash Flood Warning | CTP | Somerset | 4 hr |
| Jun 19, 7:29 PM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jun 19, 9:04 PM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Jun 19, 9:35 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Jun 19, 10:11 PM EDT | Flash Flood Warning | PBZ | Beaver, Butler | 2 hr |
| Jun 19, 10:27 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Jun 20, 12:13 AM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Jun 20, 1:15 AM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Jun 20, 2:45 AM EDT | Flash Flood Warning | PBZ | Beaver | 2 hr |
| Jun 20, 6:37 AM EDT | Flash Flood Warning | CTP | Warren | 3 hr |
| Jun 20, 2:30 PM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Jun 20, 3:48 PM EDT | Flash Flood Warning | CTP | Clinton | 3 hr |
| Jun 20, 4:16 PM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Jun 20, 5:11 PM EDT | Flash Flood Warning | CTP | Franklin, Fulton | 3 hr |
| Jun 20, 5:46 PM EDT | Flash Flood Warning | CTP | Union | 3 hr |
| Jun 20, 6:14 PM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
| Jun 20, 6:41 PM EDT | Flash Flood Warning | CTP | Adams | 3 hr |
| Jun 20, 7:33 PM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Jun 20, 7:52 PM EDT | Flash Flood Warning | CTP | Adams, Franklin | 3 hr |
| Jun 20, 7:52 PM EDT | Flash Flood Warning | CTP | Fulton | 3 hr |
| Jun 22, 6:34 PM EDT | Flash Flood Warning | CTP | Somerset | 116 min |
| Jun 22, 7:44 PM EDT | Flash Flood Warning | PHI | Monroe | 2 hr |
| Jun 24, 7:05 AM EDT | Flash Flood Warning | PBZ | Mercer | 115 min |
| Jun 24, 7:46 AM EDT | Flash Flood Warning | PBZ | Venango | 2 hr |
| Jun 24, 7:59 AM EDT | Flash Flood Warning | PBZ | Lawrence | 2 hr |
| Jun 24, 8:16 AM EDT | Flash Flood Warning | PBZ | Clarion | 2 hr |
| Jun 24, 8:25 AM EDT | Flash Flood Warning | PBZ | Butler | 2 hr |
| Jun 24, 8:42 AM EDT | Flash Flood Warning | PBZ | Forest, Jefferson | 2 hr |
| Jun 24, 12:27 PM EDT | Flash Flood Warning | CTP | Bedford | 93 min |
| Jun 24, 12:51 PM EDT | Flash Flood Warning | PBZ | Beaver | 69 min |
| Jun 24, 1:21 PM EDT | Flash Flood Warning | PBZ | Allegheny | 84 min |
| Jun 24, 1:56 PM EDT | Flash Flood Warning | PBZ | Armstrong, Westmoreland | 2 hr |
| Jun 24, 1:56 PM EDT | Flash Flood Warning | PBZ | Lawrence, Mercer | 2 hr |
| Jun 24, 2:00 PM EDT | Flash Flood Warning | PBZ | Beaver | 2 hr |
| Jun 24, 2:23 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 2 hr |
| Jun 24, 2:44 PM EDT | Flash Flood Warning | PBZ | Clarion, Jefferson | 2 hr |
| Jun 24, 2:44 PM EDT | Flash Flood Warning | PBZ | Indiana | 2 hr |
| Jun 24, 3:09 PM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 111 min |
| Jun 24, 3:44 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 2 hr |
| Jun 24, 3:54 PM EDT | Flash Flood Warning | CTP | Bedford, Blair, Cambria, Somerset | 4 hr |
| Jun 24, 4:44 PM EDT | Flash Flood Warning | PBZ | Fayette | 76 min |
| Jun 24, 4:44 PM EDT | Flash Flood Warning | PBZ | Indiana | 76 min |
| Jun 24, 5:51 PM EDT | Flash Flood Warning | PBZ | Allegheny, Fayette, Westmoreland | 3 hr |
| Jun 24, 7:59 PM EDT | Flash Flood Warning | CTP | Lebanon | 3 hr |
| Jun 30, 4:50 PM EDT | Flash Flood Warning | PBZ | Allegheny | 2 hr |
| Jul 2, 2:51 PM EDT | Flash Flood Warning | PBZ | Washington | 69 min |
| Jul 2, 3:05 PM EDT | Flash Flood Warning | PBZ | Allegheny, Armstrong, Westmoreland | 55 min |
| Jul 2, 4:31 PM EDT | Flash Flood Warning | CTP | Bedford, Cambria, Somerset | 3 hr |
| Jul 2, 4:31 PM EDT | Flash Flood Warning | CTP | Blair, Huntingdon | 3 hr |
| Jul 3, 2:46 PM EDT | Flash Flood Warning | CTP | Lycoming | 3 hr |
| Jul 8, 6:57 PM EDT | Flash Flood Warning | CTP | Franklin | 3 hr |
| Jul 13, 10:42 PM EDT | Flash Flood Warning | PBZ | Indiana | 2 hr |
| Jul 17, 2:45 AM EDT | Flash Flood Warning | CTP | McKean | 60 min |
| Jul 18, 10:44 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jul 18, 11:37 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| Jul 19, 1:28 AM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jul 19, 1:34 AM EDT | Flash Flood Warning | PBZ | Clarion, Mercer, Venango | 3 hr |
| Jul 19, 1:37 AM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
| Jul 19, 2:14 AM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jul 19, 3:22 AM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Jul 19, 4:09 AM EDT | Flash Flood Warning | CLE | Crawford, Erie | 3 hr |
| Jul 19, 4:25 AM EDT | Flash Flood Warning | PBZ | Clarion, Mercer, Venango | 2 hr |
| Jul 19, 4:35 AM EDT | Flash Flood Warning | CTP | Clearfield | 5 hr |
| Jul 19, 4:43 AM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jul 19, 5:08 AM EDT | Flash Flood Warning | PBZ | Clarion, Jefferson, Venango | 82 min |
| Jul 19, 5:09 AM EDT | Flash Flood Warning | CTP | Blair, Cambria | 66 min |
| Jul 19, 5:09 AM EDT | Flash Flood Warning | CTP | Centre | 66 min |
| Jul 19, 5:56 AM EDT | Flash Flood Warning | CTP | Blair, Cambria | 3 hr |
| Jul 19, 6:03 AM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Jul 19, 6:04 AM EDT | Flash Flood Warning | PBZ | Clarion, Indiana, Jefferson | 4 hr |
| Jul 19, 6:04 AM EDT | Flash Flood Warning | PBZ | Mercer, Venango | 4 hr |
| Jul 19, 6:35 AM EDT | Flash Flood Warning | CTP | Juniata, Mifflin | 3 hr |
| Jul 19, 6:53 AM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jul 19, 7:37 AM EDT | Flash Flood Warning | CTP | Franklin, Fulton | 4 hr |
| Jul 19, 7:37 AM EDT | Flash Flood Warning | CTP | Bedford | 4 hr |
| Jul 19, 7:55 AM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 3 hr |
| Jul 19, 8:58 AM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jul 19, 9:19 AM EDT | Flash Flood Warning | CTP | Clearfield | 3 hr |
| Jul 19, 9:59 AM EDT | Flash Flood Warning | PBZ | Indiana, Jefferson | 6 hr |
| Jul 19, 9:59 AM EDT | Flash Flood Warning | PBZ | Clarion, Venango | 6 hr |
| Jul 19, 9:59 AM EDT | Flash Flood Warning | PBZ | Mercer | 6 hr |
| Jul 19, 10:58 AM EDT | Flash Flood Warning | CTP | Blair | 3 hr |
| Jul 19, 10:58 AM EDT | Flash Flood Warning | CTP | Clearfield | 7 hr |
| Jul 19, 11:04 AM EDT | Flash Flood Warning | CLE | Crawford | 4 hr |
| Jul 19, 12:46 PM EDT | Flash Flood Warning | CTP | Blair, Huntingdon | 3 hr |
| Jul 19, 12:46 PM EDT | Flash Flood Warning | CTP | Cambria | 3 hr |
| Jul 19, 1:28 PM EDT | Flash Flood Warning | CTP | Bedford, Fulton | 4 hr |
| Jul 19, 1:28 PM EDT | Flash Flood Warning | CTP | Franklin | 4 hr |
| Jul 19, 2:14 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 19, 2:49 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jul 19, 3:48 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Jul 19, 3:53 PM EDT | Flash Flood Warning | PBZ | Clarion, Venango | 6 hr |
| Jul 19, 3:53 PM EDT | Flash Flood Warning | PBZ | Indiana, Jefferson | 6 hr |
| Jul 19, 4:57 PM EDT | Flash Flood Warning | PBZ | Fayette | 6 hr |
| Jul 19, 5:31 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 4 hr |
| Jul 19, 9:59 PM EDT | Flash Flood Warning | PBZ | Clarion, Venango | 12 hr |
| Jul 19, 9:59 PM EDT | Flash Flood Warning | PBZ | Indiana, Jefferson | 12 hr |
| Jul 19, 10:45 PM EDT | Flash Flood Warning | PBZ | Fayette | 11 hr |
| Jul 29, 6:43 PM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jul 30, 2:59 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 2 hr |
| Jul 30, 3:28 PM EDT | Flash Flood Warning | CTP | Clearfield | 4 hr |
| Jul 30, 7:46 PM EDT | Flash Flood Warning | CTP | Cumberland | 3 hr |
| Jul 30, 8:59 PM EDT | Flash Flood Warning | CTP | Adams | 3 hr |
| Jul 31, 11:17 AM EDT | Flash Flood Warning | PHI | Bucks, Philadelphia | 118 min |
| Jul 31, 9:44 PM EDT | Flash Flood Warning | PHI | Philadelphia | 61 min |
| Jul 31, 11:00 PM EDT | Flash Flood Warning | PHI | Philadelphia | 60 min |
| Aug 4, 7:08 PM EDT | Flash Flood Warning | PHI | Monroe | 112 min |
| Aug 8, 1:50 PM EDT | Flash Flood Warning | PBZ | Mercer | 4 hr |
| Aug 8, 1:53 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 2 hr |
| Aug 8, 2:01 PM EDT | Flash Flood Warning | CTP | Warren | 4 hr |
| Aug 8, 4:05 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 115 min |
| Aug 8, 4:47 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 8, 5:01 PM EDT | Flash Flood Warning | CTP | Blair, Clearfield | 3 hr |
| Aug 8, 5:05 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 8, 6:03 PM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 4 hr |
| Aug 8, 6:13 PM EDT | Flash Flood Warning | CTP | Somerset | 3 hr |
| Aug 8, 7:24 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 8, 8:29 PM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
| Aug 9, 4:27 PM EDT | Flash Flood Warning | CTP | Lancaster | 2 hr |
| Aug 9, 6:27 PM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Aug 13, 6:34 AM EDT | Flash Flood Warning | PHI | Delaware | 4 hr |
| Aug 14, 4:07 PM EDT | Flash Flood Warning | CTP | Bedford | 3 hr |
| Aug 14, 4:34 PM EDT | Flash Flood Warning | PBZ | Allegheny | 86 min |
| Aug 14, 4:43 PM EDT | Flash Flood Warning | CTP | Fulton | 3 hr |
| Aug 14, 5:04 PM EDT | Flash Flood Warning | PBZ | Washington | 116 min |
| Aug 14, 5:44 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 2 hr |
| Aug 15, 7:09 AM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Aug 15, 2:17 PM EDT | Flash Flood Warning | CLE | Erie | 118 min |
| Aug 15, 4:15 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Aug 15, 4:43 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Aug 15, 5:39 PM EDT | Flash Flood Warning | CTP | Warren | 4 hr |
| Aug 15, 6:18 PM EDT | Flash Flood Warning | PBZ | Venango | 117 min |
| Aug 16, 5:56 PM EDT | Flash Flood Warning | CTP | York | 2 hr |
| Aug 20, 7:55 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana | 2 hr |
| Aug 21, 5:21 AM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Jefferson | 4 hr |
| Aug 21, 5:51 AM EDT | Flash Flood Warning | CTP | Cambria | 3 hr |
| Aug 21, 5:55 AM EDT | Flash Flood Warning | CTP | Cambria | 3 hr |
| Aug 23, 5:17 PM EDT | Flash Flood Warning | PBZ | Indiana | 4 hr |
| Aug 23, 11:28 PM EDT | Flash Flood Warning | PHI | Bucks | 2 hr |
| Aug 23, 11:28 PM EDT | Flash Flood Warning | PHI | Chester | 2 hr |
| Aug 24, 1:03 AM EDT | Flash Flood Warning | PHI | Chester | 57 min |
| Aug 24, 2:20 AM EDT | Flash Flood Warning | PHI | Philadelphia | 115 min |
| Aug 27, 1:02 PM EDT | Flash Flood Warning | CTP | York | 3 hr |
| Aug 27, 3:15 PM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Aug 27, 6:08 PM EDT | Flash Flood Warning | CTP | McKean, Potter | 2 hr |
| Aug 27, 7:12 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 3 hr |
| Aug 28, 1:03 AM EDT | Flash Flood Warning | CTP | Elk | 117 min |
| Sep 6, 4:08 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 6 hr |
| Sep 6, 4:08 PM EDT | Flash Flood Warning | CTP | Franklin, Fulton | 6 hr |
| Sep 6, 5:51 PM EDT | Flash Flood Warning | CTP | Adams | 4 hr |
| Sep 6, 5:51 PM EDT | Flash Flood Warning | CTP | Blair, Huntingdon | 4 hr |
| Sep 6, 6:51 PM EDT | Flash Flood Warning | CTP | Cumberland, Juniata, Perry | 4 hr |
| Sep 6, 6:51 PM EDT | Flash Flood Warning | CTP | Mifflin | 4 hr |
| Sep 6, 7:07 PM EDT | Flash Flood Warning | CTP | Adams | 3 hr |
| Sep 6, 8:45 PM EDT | Flash Flood Warning | CTP | Cambria, Clearfield | 4 hr |
| Sep 6, 8:45 PM EDT | Flash Flood Warning | CTP | Centre | 4 hr |
| Sep 6, 9:36 PM EDT | Flash Flood Warning | CTP | Cumberland, Dauphin, Juniata, Perry, Snyder | 6 hr |
| Sep 6, 9:36 PM EDT | Flash Flood Warning | CTP | Adams, York | 6 hr |
| Sep 6, 9:36 PM EDT | Flash Flood Warning | CTP | Huntingdon, Mifflin | 6 hr |
| Sep 6, 10:02 PM EDT | Flash Flood Warning | CTP | Bedford, Franklin, Fulton | 4 hr |
| Sep 6, 10:02 PM EDT | Flash Flood Warning | CTP | Somerset | 4 hr |
| Sep 6, 10:02 PM EDT | Flash Flood Warning | CTP | Blair | 4 hr |
| Sep 6, 11:00 PM EDT | Flash Flood Warning | PBZ | Jefferson | 4 hr |
| Sep 6, 11:31 PM EDT | Flash Flood Warning | CTP | Clinton, Union | 4 hr |
| Sep 7, 12:31 AM EDT | Flash Flood Warning | CTP | Centre | 5 hr |
| Sep 7, 1:45 AM EDT | Flash Flood Warning | CTP | Bedford, Blair, Franklin, Fulton, Huntingdon | 6 hr |
| Sep 7, 1:45 AM EDT | Flash Flood Warning | CTP | Somerset | 6 hr |
| Sep 7, 3:45 AM EDT | Flash Flood Warning | CTP | Juniata, Mifflin, Perry | 4 hr |
| Sep 7, 3:45 AM EDT | Flash Flood Warning | CTP | Cumberland | 4 hr |
| Sep 8, 4:47 PM EDT | Flash Flood Warning | BGM | Pike | 118 min |
| Sep 8, 6:23 PM EDT | Flash Flood Warning | PHI | Bucks, Philadelphia | 2 hr |
| Sep 8, 6:29 PM EDT | Flash Flood Warning | PHI | Montgomery | 2 hr |
| Sep 8, 8:27 PM EDT | Flash Flood Warning | PHI | Montgomery | 3 hr |
| Sep 8, 10:50 PM EDT | Flash Flood Warning | PHI | Montgomery | 3 hr |
| Sep 9, 12:38 PM EDT | Flash Flood Warning | CLE | Erie | 67 min |
| Sep 9, 2:10 PM EDT | Flash Flood Warning | PBZ | Mercer | 2 hr |
| Sep 9, 2:46 PM EDT | Flash Flood Warning | PBZ | Venango | 119 min |
| Sep 9, 4:25 PM EDT | Flash Flood Warning | PBZ | Armstrong, Indiana, Jefferson | 2 hr |
| Sep 12, 6:36 AM EDT | Flash Flood Warning | CTP | Cumberland | 5 hr |
| Sep 12, 9:01 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 119 min |
| Sep 12, 10:30 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 5 hr |
| Sep 12, 11:16 PM EDT | Flash Flood Warning | CTP | Fulton | 4 hr |
| Sep 12, 11:31 PM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Sep 13, 1:37 AM EDT | Flash Flood Warning | CTP | Franklin | 5 hr |
| Sep 13, 3:03 AM EDT | Flash Flood Warning | CTP | Fulton, Huntingdon | 5 hr |
| Sep 13, 7:15 AM EDT | Flash Flood Warning | CTP | Juniata, Mifflin | 4 hr |
| Sep 13, 7:15 AM EDT | Flash Flood Warning | CTP | Perry | 4 hr |
| Sep 13, 7:39 AM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Sep 13, 7:55 AM EDT | Flash Flood Warning | CTP | Fulton | 3 hr |
| Sep 13, 11:43 AM EDT | Flash Flood Warning | CTP | Cumberland | 3 hr |
| Sep 13, 1:42 PM EDT | Flash Flood Warning | CTP | Huntingdon | 4 hr |
| Sep 16, 12:04 AM EDT | Flash Flood Warning | PBZ | Greene | 4 hr |
| Sep 17, 10:59 AM EDT | Flash Flood Warning | CLE | Erie | 2 hr |
| Sep 17, 11:43 AM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Sep 17, 12:54 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Sep 17, 1:34 PM EDT | Flash Flood Warning | CLE | Erie | 4 hr |
| Sep 17, 3:19 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Sep 17, 4:15 PM EDT | Flash Flood Warning | CTP | Warren | 5 hr |
| Sep 17, 4:45 PM EDT | Flash Flood Warning | CTP | Potter | 4 hr |
| Sep 17, 5:45 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Sep 17, 5:57 PM EDT | Flash Flood Warning | PBZ | Forest | 4 hr |
| Sep 17, 6:38 PM EDT | Flash Flood Warning | CTP | Lycoming | 4 hr |
| Sep 17, 6:45 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Sep 17, 7:10 PM EDT | Flash Flood Warning | CTP | McKean | 4 hr |
| Sep 17, 8:55 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Sep 17, 11:05 PM EDT | Flash Flood Warning | CLE | Erie | 7 hr |
| Sep 22, 10:48 AM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Sep 28, 7:52 AM EDT | Flash Flood Warning | CLE | Crawford, Erie | 4 hr |
| Sep 28, 12:00 PM EDT | Flash Flood Warning | PBZ | Forest, Mercer, Venango | 4 hr |
| Sep 28, 12:10 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 4 hr |
| Sep 28, 3:07 PM EDT | Flash Flood Warning | PBZ | Forest, Venango | 3 hr |
| Sep 28, 4:00 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 4 hr |
| Oct 8, 4:17 PM EDT | Flash Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 4 hr |
| Oct 8, 4:17 PM EDT | Flash Flood Warning | CTP | York | 4 hr |
| Oct 8, 4:36 PM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Oct 19, 2:58 AM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Oct 19, 6:20 AM EDT | Flash Flood Warning | CTP | Schuylkill | 6 hr |
| Oct 19, 6:51 AM EDT | Flash Flood Warning | CTP | Lancaster | 5 hr |
| Oct 19, 8:07 AM EDT | Flash Flood Warning | PHI | Berks | 118 min |
| Oct 19, 8:19 AM EDT | Flash Flood Warning | PHI | Delaware | 3 hr |
| Oct 19, 9:45 AM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Oct 19, 10:10 AM EDT | Flash Flood Warning | PHI | Delaware | 6 hr |
| Oct 19, 10:51 AM EDT | Flash Flood Warning | CTP | Franklin, Huntingdon | 4 hr |
| Oct 19, 11:08 AM EDT | Flash Flood Warning | PHI | Bucks | 6 hr |
| Oct 19, 12:25 PM EDT | Flash Flood Warning | CTP | Schuylkill | 6 hr |
| Oct 19, 1:30 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Oct 19, 2:18 PM EDT | Flash Flood Warning | PHI | Lehigh | 6 hr |
| Oct 19, 2:48 PM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Oct 19, 4:36 PM EDT | Flash Flood Warning | PHI | Monroe | 4 hr |
| Oct 19, 5:20 PM EDT | Flash Flood Warning | BGM | Lackawanna, Wayne | 7 hr |
| Oct 19, 5:20 PM EDT | Flash Flood Warning | BGM | Pike | 7 hr |
| Oct 19, 5:55 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 5 hr |
| Oct 19, 5:55 PM EDT | Flash Flood Warning | PHI | Carbon | 5 hr |
| Oct 19, 6:50 PM EDT | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| Oct 19, 9:05 PM EDT | Flash Flood Warning | CTP | Huntingdon | 8 hr |
| Oct 20, 5:00 AM EDT | Flash Flood Warning | CTP | Huntingdon | 5 hr |
| Nov 8, 8:14 AM EST | Flash Flood Warning | CTP | Tioga | 3 hr |
| Nov 8, 9:02 AM EST | Flash Flood Warning | CTP | Blair, Centre | 4 hr |
| Nov 8, 9:02 AM EST | Flash Flood Warning | CTP | Clinton, Lycoming | 4 hr |
| Nov 8, 9:51 AM EST | Flash Flood Warning | CTP | Potter, Tioga | 4 hr |
| Nov 8, 1:48 PM EST | Flash Flood Warning | CTP | Tioga | 3 hr |
| Nov 8, 3:59 PM EST | Flash Flood Warning | CTP | York | 4 hr |
| Nov 8, 4:05 PM EST | Flash Flood Warning | CTP | Lebanon, Schuylkill | 4 hr |
| Nov 8, 4:05 PM EST | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Nov 8, 4:23 PM EST | Flash Flood Warning | CTP | Tioga | 5 hr |
| Nov 8, 4:47 PM EST | Flash Flood Warning | PHI | Carbon | 4 hr |
| Nov 8, 5:54 PM EST | Flash Flood Warning | BGM | Lackawanna, Luzerne | 6 hr |
| Nov 8, 6:10 PM EST | Flash Flood Warning | PHI | Monroe | 5 hr |
| Nov 8, 6:10 PM EST | Flash Flood Warning | PHI | Berks | 5 hr |
| Nov 8, 7:56 PM EST | Flash Flood Warning | CTP | Lebanon, Schuylkill | 4 hr |
| Nov 8, 7:56 PM EST | Flash Flood Warning | CTP | Lancaster, York | 4 hr |
| Nov 8, 8:50 PM EST | Flash Flood Warning | CTP | Tioga | 6 hr |
| Nov 8, 10:11 PM EST | Flash Flood Warning | PHI | Carbon, Monroe | 5 hr |
| Nov 8, 10:11 PM EST | Flash Flood Warning | PHI | Berks | 5 hr |
| Nov 9, 12:00 AM EST | Flash Flood Warning | CTP | Lancaster, Lebanon, York | 2 hr |
| Nov 9, 12:00 AM EST | Flash Flood Warning | CTP | Schuylkill | 2 hr |
| Nov 9, 12:13 AM EST | Flash Flood Warning | BGM | Lackawanna, Luzerne | 3 hr |
| Nov 9, 1:42 AM EST | Flash Flood Warning | BGM | Pike, Wayne | 4 hr |
| Nov 9, 2:00 AM EST | Flash Flood Warning | CTP | Lancaster, York | 4 hr |
| Nov 9, 2:00 AM EST | Flash Flood Warning | CTP | Lebanon, Schuylkill | 4 hr |
| Nov 9, 2:40 AM EST | Flash Flood Warning | CTP | Tioga | 3 hr |
| Nov 9, 3:40 AM EST | Flash Flood Warning | PHI | Chester | 5 hr |
| Nov 9, 6:00 AM EST | Flash Flood Warning | CTP | Tioga | 4 hr |
| Nov 9, 6:00 AM EST | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Nov 26, 5:46 AM EST | Flash Flood Warning | CTP | Dauphin, Lancaster, Lebanon, York | 6 hr |
| Nov 26, 9:55 AM EST | Flash Flood Warning | PHI | Chester | 4 hr |
| Dec 1, 4:23 PM EST | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Dec 1, 4:59 PM EST | Flash Flood Warning | CTP | Schuylkill | 4 hr |
| Dec 1, 8:25 PM EST | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Dec 1, 8:25 PM EST | Flash Flood Warning | CTP | Franklin | 4 hr |
| Dec 1, 8:43 PM EST | Flash Flood Warning | CTP | Bedford, Blair, Fulton, Huntingdon | 4 hr |
| Dec 1, 9:13 PM EST | Flash Flood Warning | CTP | Centre, Clinton, Lycoming, Union | 4 hr |
| Dec 1, 9:13 PM EST | Flash Flood Warning | CTP | Tioga | 4 hr |
| Dec 1, 9:27 PM EST | Flash Flood Warning | BGM | Bradford | 6 hr |
| Dec 1, 9:34 PM EST | Flash Flood Warning | CTP | Juniata, Mifflin, Snyder | 4 hr |
| Dec 1, 10:37 PM EST | Flash Flood Warning | CTP | Columbia, Montour, Northumberland, Sullivan | 4 hr |
| Dec 1, 11:09 PM EST | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| Dec 2, 12:29 AM EST | Flash Flood Warning | CTP | Lancaster | 5 hr |
| Dec 2, 1:16 AM EST | Flash Flood Warning | CTP | Huntingdon | 5 hr |
| Dec 2, 2:05 AM EST | Flash Flood Warning | CTP | Schuylkill | 4 hr |
| Dec 2, 2:13 AM EST | Flash Flood Warning | BGM | Susquehanna | 6 hr |
| Dec 2, 2:45 AM EST | Flash Flood Warning | CTP | Columbia | 3 hr |
| Dec 2, 3:05 AM EST | Flash Flood Warning | PHI | Carbon, Monroe | 4 hr |
| Dec 2, 3:21 AM EST | Flash Flood Warning | CTP | Lycoming | 3 hr |
| Dec 2, 3:24 AM EST | Flash Flood Warning | BGM | Pike | 6 hr |
| Dec 2, 3:36 AM EST | Flash Flood Warning | BGM | Bradford | 3 hr |
| Dec 2, 4:12 AM EST | Flash Flood Warning | PHI | Bucks | 4 hr |
| Dec 2, 4:12 AM EST | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Dec 2, 8:15 AM EST | Flash Flood Warning | PHI | Chester | 5 hr |
| Dec 2, 9:44 AM EST | Flash Flood Warning | BGM | Pike | 3 hr |
| Dec 11, 2:58 PM EST | Flash Flood Warning | CLE | Crawford | 3 hr |
| Dec 11, 7:10 PM EST | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Dec 12, 9:15 AM EST | Flash Flood Warning | PBZ | Beaver, Butler | 5 hr |
| Dec 12, 10:34 AM EST | Flash Flood Warning | PBZ | Lawrence, Mercer | 3 hr |
| Dec 12, 2:16 PM EST | Flash Flood Warning | PBZ | Beaver, Butler | 4 hr |
| Dec 12, 2:24 PM EST | Flash Flood Warning | CLE | Crawford | 3 hr |
| Dec 13, 11:56 AM EST | Flash Flood Warning | CTP | Cumberland, Dauphin, Perry | 6 hr |
| Dec 13, 11:56 AM EST | Flash Flood Warning | CTP | Adams, York | 6 hr |
| Dec 13, 12:17 PM EST | Flash Flood Warning | CTP | Juniata, Northumberland, Snyder, Union | 6 hr |
| Dec 13, 12:17 PM EST | Flash Flood Warning | CTP | Montour | 6 hr |
| Dec 13, 12:39 PM EST | Flash Flood Warning | CTP | Lycoming, Sullivan | 5 hr |
| Dec 13, 1:15 PM EST | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Dec 13, 2:23 PM EST | Flash Flood Warning | CTP | Lancaster, Lebanon | 6 hr |
| Dec 13, 2:56 PM EST | Flash Flood Warning | BGM | Susquehanna | 3 hr |
| Dec 13, 2:56 PM EST | Flash Flood Warning | BGM | Bradford | 3 hr |
| Dec 13, 3:09 PM EST | Flash Flood Warning | CTP | Columbia, Schuylkill | 6 hr |
| Dec 13, 3:59 PM EST | Flash Flood Warning | BGM | Luzerne, Wyoming | 3 hr |
| Dec 13, 5:54 PM EST | Flash Flood Warning | CTP | Cumberland, Dauphin, Northumberland, Perry, Snyder | 3 hr |
| Dec 13, 5:54 PM EST | Flash Flood Warning | CTP | Lycoming, Union | 3 hr |
| Dec 13, 5:54 PM EST | Flash Flood Warning | CTP | Adams, York | 3 hr |
| Dec 13, 5:54 PM EST | Flash Flood Warning | CTP | Sullivan | 3 hr |
| Dec 13, 5:54 PM EST | Flash Flood Warning | CTP | Montour | 3 hr |
| Dec 13, 6:32 PM EST | Flash Flood Warning | PHI | Chester | 6 hr |
| Dec 13, 7:59 PM EST | Flash Flood Warning | CTP | Lancaster, Lebanon | 4 hr |
| Dec 13, 9:14 PM EST | Flash Flood Warning | CTP | Columbia, Sullivan | 3 hr |
| Dec 13, 9:14 PM EST | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| Dec 13, 9:14 PM EST | Flash Flood Warning | CTP | York | 3 hr |
| Dec 13, 10:30 PM EST | Flash Flood Warning | PHI | Monroe, Northampton | 6 hr |
| Dec 13, 10:30 PM EST | Flash Flood Warning | PHI | Berks, Lehigh | 6 hr |
| Dec 13, 11:49 PM EST | Flash Flood Warning | CTP | Lancaster, Lebanon, York | 6 hr |
| Dec 13, 11:49 PM EST | Flash Flood Warning | CTP | Columbia | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Erie County40
- Crawford County35
- Huntingdon County31
- Venango County24
- Lancaster County24
- Bedford County23
- Allegheny County22
- Franklin County22
- Jefferson County21
- Indiana County20
- Fayette County19
- Somerset County19
- Schuylkill County19
- Fulton County18
- York County18
- Westmoreland County17
- Clarion County17
- Lawrence County16
- Beaver County16
- Lebanon County16
- Mercer County15
- Blair County15
- Washington County14
- Cambria County14
- Adams County14
- Chester County13
- Butler County12
- Tioga County12
- Cumberland County12
- Bucks County12
- Monroe County12
- Armstrong County11
- Forest County11
- Centre County10
- Juniata County10
- Greene County10
- Pike County10
- Warren County9
- Clearfield County9
- Mifflin County9
27 more counties
- Lycoming County9
- Dauphin County9
- Columbia County9
- Wayne County9
- Potter County8
- Perry County8
- Berks County8
- Montgomery County8
- McKean County7
- Union County7
- Delaware County7
- Elk County6
- Clinton County6
- Snyder County6
- Sullivan County6
- Carbon County6
- Philadelphia County6
- Cameron County5
- Northumberland County5
- Montour County5
- Lehigh County5
- Lackawanna County4
- Luzerne County4
- Wyoming County4
- Susquehanna County4
- Northampton County3
- Bradford County3
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19951997
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.