Alert archive / Pennsylvania / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Pennsylvania, 2021
803 severe thunderstorm warnings in 2021. 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 severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Severe Thunderstorm Warnings
- 803
- Busiest month
- July333 severe thunderstorm warnings
- Busiest day
- June 21, 202155 severe thunderstorm 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 |
|---|---|---|---|---|
| Mar 28, 6:12 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 48 min |
| Mar 28, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 47 min |
| Mar 28, 6:47 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 43 min |
| Apr 21, 12:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 43 min |
| Apr 21, 12:25 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 50 min |
| Apr 21, 12:55 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Northampton | 27 min |
| Apr 21, 1:10 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 50 min |
| Apr 28, 6:45 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 30 min |
| Apr 28, 7:04 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne, Wyoming | 11 min |
| Apr 28, 7:18 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 42 min |
| Apr 28, 7:57 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 33 min |
| Apr 29, 7:45 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 45 min |
| Apr 29, 8:05 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 34 min |
| May 26, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 17 min |
| May 26, 1:23 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 41 min |
| May 26, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry, Snyder | 44 min |
| May 26, 2:24 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 51 min |
| May 26, 2:31 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 39 min |
| May 26, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Lebanon, Northumberland, Perry, Schuylkill and 1 more | 57 min |
| May 26, 2:42 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 50 min |
| May 26, 2:43 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 32 min |
| May 26, 2:46 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Snyder | 20 min |
| May 26, 3:09 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Perry | 51 min |
| May 26, 3:23 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 82 min |
| May 26, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 44 min |
| May 26, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 56 min |
| May 26, 3:51 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 54 min |
| May 26, 4:09 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 36 min |
| May 26, 4:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 65 min |
| May 26, 4:21 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 26 min |
| May 26, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 22 min |
| May 26, 4:36 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 24 min |
| May 26, 4:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 44 min |
| May 26, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 43 min |
| May 26, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 38 min |
| May 26, 5:17 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 43 min |
| May 26, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia | 48 min |
| May 26, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 41 min |
| May 26, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 23 min |
| May 26, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 53 min |
| May 26, 5:47 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 28 min |
| May 26, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 67 min |
| May 26, 6:17 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 12 min |
| May 26, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 15 min |
| May 26, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 37 min |
| May 26, 6:46 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wyoming | 25 min |
| May 26, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 38 min |
| May 26, 6:53 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 37 min |
| May 26, 8:10 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry, Snyder | 35 min |
| May 26, 8:29 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 32 min |
| May 26, 9:26 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 34 min |
| Jun 3, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 27 min |
| Jun 3, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 30 min |
| Jun 4, 1:49 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 41 min |
| Jun 4, 2:21 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 21 min |
| Jun 4, 2:24 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 51 min |
| Jun 4, 2:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 48 min |
| Jun 4, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 46 min |
| Jun 4, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 42 min |
| Jun 4, 3:23 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 67 min |
| Jun 4, 3:46 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 44 min |
| Jun 4, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 40 min |
| Jun 9, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 26 min |
| Jun 9, 4:02 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 28 min |
| Jun 9, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 23 min |
| Jun 9, 5:32 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 28 min |
| Jun 9, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 44 min |
| Jun 9, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 62 min |
| Jun 9, 6:59 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 31 min |
| Jun 9, 7:09 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 51 min |
| Jun 9, 8:03 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 27 min |
| Jun 9, 8:21 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 39 min |
| Jun 13, 9:08 AM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 67 min |
| Jun 13, 1:37 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 38 min |
| Jun 13, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 20 min |
| Jun 13, 2:08 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 33 min |
| Jun 13, 3:45 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 45 min |
| Jun 13, 3:55 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 35 min |
| Jun 13, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer | 35 min |
| Jun 13, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Union | 83 min |
| Jun 13, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 37 min |
| Jun 13, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 55 min |
| Jun 13, 5:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Westmoreland | 27 min |
| Jun 13, 5:43 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 47 min |
| Jun 13, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 17 min |
| Jun 13, 5:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 46 min |
| Jun 13, 6:21 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 39 min |
| Jun 13, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 54 min |
| Jun 13, 6:58 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 32 min |
| Jun 13, 7:26 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 49 min |
| Jun 13, 7:53 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon | 43 min |
| Jun 13, 8:10 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 35 min |
| Jun 13, 8:41 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 64 min |
| Jun 14, 12:37 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 38 min |
| Jun 14, 1:12 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 48 min |
| Jun 14, 11:17 AM EDT | Severe Thunderstorm Warning | PBZ | Butler, Mercer, Venango | 28 min |
| Jun 14, 12:45 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 30 min |
| Jun 14, 12:47 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 73 min |
| Jun 14, 1:31 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 74 min |
| Jun 14, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Union | 57 min |
| Jun 14, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 27 min |
| Jun 14, 3:01 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 29 min |
| Jun 14, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 25 min |
| Jun 14, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Union | 57 min |
| Jun 14, 3:26 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 34 min |
| Jun 14, 3:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 31 min |
| Jun 14, 3:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 33 min |
| Jun 14, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 24 min |
| Jun 14, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 37 min |
| Jun 14, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 41 min |
| Jun 14, 4:10 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 50 min |
| Jun 14, 4:11 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 49 min |
| Jun 14, 4:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 60 min |
| Jun 14, 4:22 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne, Wyoming | 38 min |
| Jun 14, 4:47 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 43 min |
| Jun 14, 4:50 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 27 min |
| Jun 14, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 27 min |
| Jun 14, 5:41 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 31 min |
| Jun 14, 5:45 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 30 min |
| Jun 14, 6:02 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 28 min |
| Jun 14, 6:27 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 33 min |
| Jun 14, 7:55 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 50 min |
| Jun 14, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 52 min |
| Jun 14, 8:34 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 41 min |
| Jun 14, 8:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 50 min |
| Jun 14, 9:11 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Jun 14, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 46 min |
| Jun 19, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 43 min |
| Jun 19, 9:31 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 29 min |
| Jun 20, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 17 min |
| Jun 20, 6:51 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 24 min |
| Jun 20, 8:13 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder | 24 min |
| Jun 20, 9:23 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 50 min |
| Jun 20, 11:19 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 26 min |
| Jun 21, 1:15 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 60 min |
| Jun 21, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 48 min |
| Jun 21, 2:06 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 54 min |
| Jun 21, 2:08 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 22 min |
| Jun 21, 2:15 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 30 min |
| Jun 21, 2:21 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 24 min |
| Jun 21, 2:37 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Washington | 23 min |
| Jun 21, 2:43 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 47 min |
| Jun 21, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 30 min |
| Jun 21, 2:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Westmoreland | 35 min |
| Jun 21, 3:00 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 30 min |
| Jun 21, 3:09 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 21 min |
| Jun 21, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 31 min |
| Jun 21, 3:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Indiana, Westmoreland | 24 min |
| Jun 21, 3:25 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Westmoreland | 35 min |
| Jun 21, 3:26 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean, Warren | 49 min |
| Jun 21, 3:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 46 min |
| Jun 21, 3:37 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Jefferson, Westmoreland | 23 min |
| Jun 21, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 45 min |
| Jun 21, 3:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 37 min |
| Jun 21, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 35 min |
| Jun 21, 3:57 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 33 min |
| Jun 21, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 25 min |
| Jun 21, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 32 min |
| Jun 21, 4:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 27 min |
| Jun 21, 4:19 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 41 min |
| Jun 21, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 33 min |
| Jun 21, 4:28 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 47 min |
| Jun 21, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 32 min |
| Jun 21, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 59 min |
| Jun 21, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 36 min |
| Jun 21, 4:41 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 49 min |
| Jun 21, 4:42 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 48 min |
| Jun 21, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 32 min |
| Jun 21, 4:43 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 32 min |
| Jun 21, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan, Tioga | 30 min |
| Jun 21, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 29 min |
| Jun 21, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 40 min |
| Jun 21, 5:08 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming | 37 min |
| Jun 21, 5:18 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 42 min |
| Jun 21, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan, Tioga | 44 min |
| Jun 21, 5:41 PM EDT | Severe Thunderstorm Warning | CTP | York | 34 min |
| Jun 21, 5:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 47 min |
| Jun 21, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 52 min |
| Jun 21, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 15 min |
| Jun 21, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 54 min |
| Jun 21, 6:27 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming | 48 min |
| Jun 21, 7:02 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Northampton | 43 min |
| Jun 21, 7:09 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 66 min |
| Jun 21, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 48 min |
| Jun 21, 7:38 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 52 min |
| Jun 21, 7:56 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Pike, Wayne | 64 min |
| Jun 21, 8:13 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 62 min |
| Jun 29, 2:24 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 36 min |
| Jun 29, 2:55 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 35 min |
| Jun 29, 9:16 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 89 min |
| Jun 29, 9:30 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 45 min |
| Jun 29, 10:42 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 63 min |
| Jun 30, 12:11 AM EDT | Severe Thunderstorm Warning | BGM | Bradford | 22 min |
| Jun 30, 1:04 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 26 min |
| Jun 30, 1:06 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 24 min |
| Jun 30, 1:23 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 52 min |
| Jun 30, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 42 min |
| Jun 30, 2:14 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 50 min |
| Jun 30, 2:25 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 28 min |
| Jun 30, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 49 min |
| Jun 30, 2:37 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 38 min |
| Jun 30, 2:41 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 34 min |
| Jun 30, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 45 min |
| Jun 30, 3:46 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Montour, Northumberland, Snyder, Union | 44 min |
| Jun 30, 3:54 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 51 min |
| Jun 30, 4:32 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 43 min |
| Jun 30, 4:33 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 42 min |
| Jun 30, 4:50 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 40 min |
| Jun 30, 5:24 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 48 min |
| Jun 30, 5:49 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 41 min |
| Jun 30, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 47 min |
| Jun 30, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 48 min |
| Jun 30, 8:37 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 38 min |
| Jul 1, 12:22 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 53 min |
| Jul 1, 1:15 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 45 min |
| Jul 1, 3:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 47 min |
| Jul 1, 3:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 40 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 48 min |
| Jul 1, 4:59 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 46 min |
| Jul 2, 5:37 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 23 min |
| Jul 2, 5:44 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 46 min |
| Jul 2, 6:21 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 24 min |
| Jul 2, 6:46 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 44 min |
| Jul 2, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 52 min |
| Jul 6, 2:14 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 31 min |
| Jul 6, 2:49 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 56 min |
| Jul 6, 3:08 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 37 min |
| Jul 6, 3:22 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 23 min |
| Jul 6, 3:28 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming | 47 min |
| Jul 6, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 24 min |
| Jul 6, 3:42 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Susquehanna, Wayne | 63 min |
| Jul 6, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 40 min |
| Jul 6, 4:06 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 39 min |
| Jul 6, 4:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 52 min |
| Jul 6, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 76 min |
| Jul 6, 4:41 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne | 49 min |
| Jul 6, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 33 min |
| Jul 6, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 49 min |
| Jul 6, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 60 min |
| Jul 6, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 41 min |
| Jul 6, 5:42 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 48 min |
| Jul 6, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 65 min |
| Jul 6, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 31 min |
| Jul 6, 6:41 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 64 min |
| Jul 6, 7:01 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 59 min |
| Jul 6, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 46 min |
| Jul 6, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 40 min |
| Jul 6, 9:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 41 min |
| Jul 6, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 61 min |
| Jul 6, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 57 min |
| Jul 6, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 39 min |
| Jul 7, 2:25 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 20 min |
| Jul 7, 2:32 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 13 min |
| Jul 7, 2:42 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 18 min |
| Jul 7, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 36 min |
| Jul 7, 2:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 31 min |
| Jul 7, 3:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 29 min |
| Jul 7, 3:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 32 min |
| Jul 7, 3:19 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 26 min |
| Jul 7, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 24 min |
| Jul 7, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 30 min |
| Jul 7, 3:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 37 min |
| Jul 7, 4:01 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 29 min |
| Jul 7, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 47 min |
| Jul 7, 4:21 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 39 min |
| Jul 7, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 38 min |
| Jul 7, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 32 min |
| Jul 7, 4:33 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 27 min |
| Jul 7, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 25 min |
| Jul 7, 4:40 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 13 min |
| Jul 7, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 61 min |
| Jul 7, 4:54 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 51 min |
| Jul 7, 4:58 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 47 min |
| Jul 7, 4:59 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 31 min |
| Jul 7, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 29 min |
| Jul 7, 5:06 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 24 min |
| Jul 7, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 53 min |
| Jul 7, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 41 min |
| Jul 7, 5:20 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 25 min |
| Jul 7, 5:23 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 37 min |
| Jul 7, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 51 min |
| Jul 7, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 25 min |
| Jul 7, 5:48 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 57 min |
| Jul 7, 5:50 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 40 min |
| Jul 7, 5:50 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin | 40 min |
| Jul 7, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 65 min |
| Jul 7, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Huntingdon | 48 min |
| Jul 7, 6:29 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 61 min |
| Jul 7, 6:36 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Clinton, Mifflin | 39 min |
| Jul 7, 6:37 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 37 min |
| Jul 7, 6:40 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 20 min |
| Jul 7, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 77 min |
| Jul 7, 6:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Mifflin, Snyder, Union | 49 min |
| Jul 7, 7:09 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Snyder | 36 min |
| Jul 7, 7:19 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 26 min |
| Jul 7, 7:22 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 23 min |
| Jul 7, 7:31 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Montour, Northumberland, Union | 44 min |
| Jul 7, 7:33 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 27 min |
| Jul 7, 7:37 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 23 min |
| Jul 7, 8:04 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 56 min |
| Jul 7, 8:12 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Tioga | 48 min |
| Jul 7, 8:21 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 39 min |
| Jul 7, 8:24 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 36 min |
| Jul 7, 8:38 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 67 min |
| Jul 7, 8:40 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 65 min |
| Jul 7, 8:41 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 34 min |
| Jul 7, 8:47 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 28 min |
| Jul 7, 8:50 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Susquehanna, Wyoming | 40 min |
| Jul 7, 9:16 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 44 min |
| Jul 7, 9:24 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming | 66 min |
| Jul 7, 10:06 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne | 54 min |
| Jul 7, 10:29 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Susquehanna, Wayne, Wyoming | 76 min |
| Jul 8, 1:49 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 41 min |
| Jul 8, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 60 min |
| Jul 8, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, York | 73 min |
| Jul 8, 3:38 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 52 min |
| Jul 8, 3:45 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 47 min |
| Jul 8, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Montgomery | 39 min |
| Jul 8, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 50 min |
| Jul 8, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 45 min |
| Jul 8, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 27 min |
| Jul 8, 4:51 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 54 min |
| Jul 8, 5:21 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 39 min |
| Jul 8, 6:06 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 39 min |
| Jul 8, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 44 min |
| Jul 9, 3:12 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 33 min |
| Jul 9, 3:57 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 48 min |
| Jul 9, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Lebanon, Perry, Schuylkill | 74 min |
| Jul 9, 4:46 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 44 min |
| Jul 9, 4:49 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 56 min |
| Jul 9, 5:17 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 43 min |
| Jul 9, 5:24 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 81 min |
| Jul 9, 5:30 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 45 min |
| Jul 9, 6:04 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 41 min |
| Jul 9, 6:13 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 47 min |
| Jul 9, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 23 min |
| Jul 11, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 42 min |
| Jul 11, 4:51 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 39 min |
| Jul 11, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 24 min |
| Jul 11, 5:11 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 34 min |
| Jul 11, 5:18 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 46 min |
| Jul 11, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 41 min |
| Jul 11, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 65 min |
| Jul 11, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clearfield, Huntingdon | 45 min |
| Jul 11, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Potter | 35 min |
| Jul 11, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Centre, Clearfield, Huntingdon and 1 more | 57 min |
| Jul 11, 6:23 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 52 min |
| Jul 11, 6:39 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 51 min |
| Jul 11, 6:57 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Centre, Cumberland, Franklin, Fulton, Huntingdon and 3 more | 63 min |
| Jul 11, 7:02 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 43 min |
| Jul 11, 7:25 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 50 min |
| Jul 11, 7:31 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Juniata, Mifflin, Snyder, Union | 44 min |
| Jul 11, 7:58 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 2 more | 62 min |
| Jul 11, 8:03 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Columbia, Lycoming, Montour, Northumberland, Snyder and 1 more | 42 min |
| Jul 11, 8:11 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 34 min |
| Jul 11, 8:42 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 48 min |
| Jul 11, 8:43 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan | 62 min |
| Jul 11, 8:44 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Perry, Schuylkill | 76 min |
| Jul 11, 8:51 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 54 min |
| Jul 11, 9:32 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, York | 58 min |
| Jul 11, 9:45 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 45 min |
| Jul 11, 9:52 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 53 min |
| Jul 11, 9:58 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 62 min |
| Jul 11, 10:13 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 47 min |
| Jul 11, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 24 min |
| Jul 11, 10:22 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 38 min |
| Jul 12, 2:49 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 41 min |
| Jul 12, 3:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 67 min |
| Jul 12, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Perry | 35 min |
| Jul 12, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 63 min |
| Jul 12, 3:59 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 46 min |
| Jul 12, 4:11 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, Lebanon, York | 34 min |
| Jul 12, 4:42 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 63 min |
| Jul 12, 5:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 67 min |
| Jul 12, 5:29 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 61 min |
| Jul 12, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 34 min |
| Jul 12, 7:06 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 69 min |
| Jul 12, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 30 min |
| Jul 12, 8:17 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 43 min |
| Jul 12, 8:59 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 46 min |
| Jul 12, 9:43 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 47 min |
| Jul 12, 10:35 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wyoming | 40 min |
| Jul 12, 11:09 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Susquehanna, Wayne | 51 min |
| Jul 13, 3:37 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 22 min |
| Jul 13, 4:10 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 35 min |
| Jul 13, 3:14 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer | 31 min |
| Jul 13, 3:25 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 35 min |
| Jul 13, 3:31 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 59 min |
| Jul 13, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Mercer, Venango | 39 min |
| Jul 13, 3:39 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler | 51 min |
| Jul 13, 3:51 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 54 min |
| Jul 13, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Mercer, Venango | 40 min |
| Jul 13, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 49 min |
| Jul 13, 4:14 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 31 min |
| Jul 13, 4:25 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 36 min |
| Jul 13, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 50 min |
| Jul 13, 4:34 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 41 min |
| Jul 13, 4:35 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 55 min |
| Jul 13, 4:41 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 34 min |
| Jul 13, 4:47 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Forest, Jefferson, Venango | 43 min |
| Jul 13, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 40 min |
| Jul 13, 5:00 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 45 min |
| Jul 13, 5:08 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 52 min |
| Jul 13, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 48 min |
| Jul 13, 5:23 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 52 min |
| Jul 13, 5:25 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson, Westmoreland | 50 min |
| Jul 13, 5:38 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 41 min |
| Jul 13, 5:47 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 28 min |
| Jul 13, 5:49 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Potter | 56 min |
| Jul 13, 5:53 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 67 min |
| Jul 13, 6:01 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Clearfield | 59 min |
| Jul 13, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 38 min |
| Jul 13, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson, Westmoreland | 37 min |
| Jul 13, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 31 min |
| Jul 13, 6:19 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 41 min |
| Jul 13, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 37 min |
| Jul 13, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Potter, Tioga | 47 min |
| Jul 13, 6:43 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 32 min |
| Jul 13, 6:46 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clearfield | 44 min |
| Jul 13, 6:46 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 44 min |
| Jul 13, 6:59 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 61 min |
| Jul 13, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 44 min |
| Jul 13, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 44 min |
| Jul 13, 7:26 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 64 min |
| Jul 13, 7:44 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Tioga | 61 min |
| Jul 13, 7:59 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Mifflin, Snyder, Union | 46 min |
| Jul 13, 8:17 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Northumberland, Union | 43 min |
| Jul 13, 8:27 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 48 min |
| Jul 13, 8:49 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 41 min |
| Jul 13, 8:59 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 61 min |
| Jul 13, 9:10 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 65 min |
| Jul 13, 9:30 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Northumberland, Snyder, Union | 60 min |
| Jul 13, 9:32 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 43 min |
| Jul 13, 10:07 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 53 min |
| Jul 13, 10:18 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Snyder, Union | 57 min |
| Jul 13, 11:35 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 25 min |
| Jul 14, 8:08 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 23 min |
| Jul 14, 8:11 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 22 min |
| Jul 15, 7:37 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 38 min |
| Jul 16, 2:18 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 42 min |
| Jul 16, 2:27 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence | 48 min |
| Jul 16, 2:49 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Beaver, Butler, Clarion, Lawrence | 41 min |
| Jul 16, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Westmoreland | 51 min |
| Jul 16, 3:11 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 34 min |
| Jul 16, 3:23 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 37 min |
| Jul 16, 3:30 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Indiana, Jefferson | 45 min |
| Jul 16, 3:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 33 min |
| Jul 16, 3:56 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 49 min |
| Jul 16, 4:11 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 49 min |
| Jul 16, 4:12 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 33 min |
| Jul 16, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 46 min |
| Jul 16, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 45 min |
| Jul 16, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 43 min |
| Jul 16, 5:13 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 32 min |
| Jul 16, 5:21 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 39 min |
| Jul 16, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 20 min |
| Jul 16, 6:02 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 45 min |
| Jul 16, 6:31 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 44 min |
| Jul 17, 1:05 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 40 min |
| Jul 17, 1:48 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 42 min |
| Jul 17, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 47 min |
| Jul 17, 2:29 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 46 min |
| Jul 17, 2:30 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 45 min |
| Jul 17, 2:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 39 min |
| Jul 17, 2:51 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 39 min |
| Jul 17, 2:52 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 38 min |
| Jul 17, 2:56 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 34 min |
| Jul 17, 3:02 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 43 min |
| Jul 17, 3:04 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield, Somerset | 56 min |
| Jul 17, 3:06 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 39 min |
| Jul 17, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 61 min |
| Jul 17, 3:52 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 23 min |
| Jul 17, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Juniata, Mifflin | 55 min |
| Jul 17, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 45 min |
| Jul 17, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Northumberland, Snyder, Union | 55 min |
| Jul 17, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 43 min |
| Jul 17, 5:23 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 67 min |
| Jul 17, 5:28 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne, Wyoming | 62 min |
| Jul 17, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 19 min |
| Jul 17, 5:35 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Susquehanna, Wyoming | 55 min |
| Jul 17, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Cumberland, Dauphin, Juniata, Lycoming, Montour and 6 more | 61 min |
| Jul 17, 6:02 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 43 min |
| Jul 17, 6:04 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 41 min |
| Jul 17, 6:09 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, York | 36 min |
| Jul 17, 6:22 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 28 min |
| Jul 17, 6:23 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Wyoming | 30 min |
| Jul 17, 6:39 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 36 min |
| Jul 17, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 51 min |
| Jul 17, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Dauphin, Lancaster, Lebanon, York | 46 min |
| Jul 17, 6:51 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 39 min |
| Jul 17, 7:01 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 44 min |
| Jul 17, 7:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Jul 17, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 56 min |
| Jul 17, 8:00 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 45 min |
| Jul 17, 8:57 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Jul 17, 9:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 48 min |
| Jul 17, 9:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 42 min |
| Jul 17, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 54 min |
| Jul 19, 6:31 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 29 min |
| Jul 19, 6:46 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin | 29 min |
| Jul 20, 6:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 39 min |
| Jul 20, 6:50 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 25 min |
| Jul 20, 7:11 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 34 min |
| Jul 20, 7:33 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 27 min |
| Jul 20, 7:54 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 51 min |
| Jul 20, 8:32 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Forest, Indiana, Jefferson | 43 min |
| Jul 20, 8:45 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 30 min |
| Jul 20, 9:28 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 62 min |
| Jul 21, 1:22 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 38 min |
| Jul 21, 1:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 48 min |
| Jul 21, 2:03 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 42 min |
| Jul 21, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Montgomery | 19 min |
| Jul 21, 2:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 42 min |
| Jul 21, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 38 min |
| Jul 21, 3:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 44 min |
| Jul 21, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 33 min |
| Jul 21, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 42 min |
| Jul 27, 3:51 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 39 min |
| Jul 27, 4:03 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 27 min |
| Jul 27, 4:22 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 53 min |
| Jul 27, 5:14 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 46 min |
| Jul 27, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 24 min |
| Jul 27, 6:26 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 49 min |
| Jul 27, 7:12 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 33 min |
| Jul 27, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 42 min |
| Jul 28, 3:09 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 31 min |
| Jul 28, 3:47 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 43 min |
| Jul 28, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | York | 43 min |
| Jul 29, 10:21 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 39 min |
| Jul 29, 11:35 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 40 min |
| Jul 29, 1:08 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 37 min |
| Jul 29, 1:50 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield | 25 min |
| Jul 29, 2:14 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon | 46 min |
| Jul 29, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 42 min |
| Jul 29, 4:30 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Northampton | 45 min |
| Jul 29, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Monroe, Northampton | 42 min |
| Jul 29, 5:15 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 30 min |
| Jul 29, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 36 min |
| Jul 29, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 52 min |
| Jul 29, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 32 min |
| Jul 29, 6:24 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria | 12 min |
| Jul 29, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 28 min |
| Jul 29, 6:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 45 min |
| Jul 29, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 45 min |
| Jul 29, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 50 min |
| Aug 1, 1:50 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 25 min |
| Aug 1, 5:50 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 40 min |
| Aug 1, 6:19 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 41 min |
| Aug 1, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Northumberland, Perry, Schuylkill | 33 min |
| Aug 8, 5:00 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 30 min |
| Aug 10, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 48 min |
| Aug 10, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 42 min |
| Aug 10, 2:07 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 30 min |
| Aug 10, 2:32 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 43 min |
| Aug 10, 2:52 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 33 min |
| Aug 10, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Chester, Lehigh, Montgomery, Northampton | 44 min |
| Aug 10, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 42 min |
| Aug 10, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 51 min |
| Aug 10, 6:17 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 73 min |
| Aug 10, 6:29 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 58 min |
| Aug 10, 6:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 39 min |
| Aug 10, 7:00 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 75 min |
| Aug 10, 7:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 65 min |
| Aug 10, 7:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 51 min |
| Aug 10, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 43 min |
| Aug 10, 8:18 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 42 min |
| Aug 10, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 39 min |
| Aug 11, 11:57 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Washington | 33 min |
| Aug 11, 12:25 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Washington | 50 min |
| Aug 11, 12:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler, Washington, Westmoreland | 36 min |
| Aug 11, 1:17 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Indiana, Westmoreland | 43 min |
| Aug 11, 1:30 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 30 min |
| Aug 11, 1:41 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 49 min |
| Aug 11, 2:04 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Westmoreland | 26 min |
| Aug 11, 2:11 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 34 min |
| Aug 11, 2:32 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 58 min |
| Aug 11, 2:47 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 28 min |
| Aug 11, 3:13 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Huntingdon | 46 min |
| Aug 11, 3:25 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 35 min |
| Aug 11, 3:28 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 62 min |
| Aug 11, 3:34 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 41 min |
| Aug 11, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 26 min |
| Aug 11, 4:23 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Snyder, Union | 59 min |
| Aug 11, 4:37 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 53 min |
| Aug 11, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder | 53 min |
| Aug 11, 5:08 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 52 min |
| Aug 11, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 46 min |
| Aug 11, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland | 48 min |
| Aug 11, 5:44 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 29 min |
| Aug 11, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 57 min |
| Aug 11, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 51 min |
| Aug 11, 5:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 47 min |
| Aug 11, 6:09 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 75 min |
| Aug 11, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Montgomery | 44 min |
| Aug 11, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 49 min |
| Aug 11, 6:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Montgomery, Northampton | 42 min |
| Aug 11, 7:11 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 49 min |
| Aug 12, 11:01 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 40 min |
| Aug 12, 11:33 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer, Venango | 27 min |
| Aug 12, 11:59 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 31 min |
| Aug 12, 12:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Lawrence and 1 more | 39 min |
| Aug 12, 12:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Westmoreland | 41 min |
| Aug 12, 12:51 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter, Tioga | 54 min |
| Aug 12, 12:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Indiana, Westmoreland | 49 min |
| Aug 12, 1:05 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 25 min |
| Aug 12, 1:26 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 49 min |
| Aug 12, 1:27 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 63 min |
| Aug 12, 1:43 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 49 min |
| Aug 12, 1:47 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 58 min |
| Aug 12, 2:14 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 46 min |
| Aug 12, 2:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 49 min |
| Aug 12, 2:59 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Pike, Wayne, Wyoming | 31 min |
| Aug 12, 3:28 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 47 min |
| Aug 12, 3:33 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 57 min |
| Aug 12, 4:46 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Venango | 44 min |
| Aug 12, 4:56 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 35 min |
| Aug 12, 4:58 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 47 min |
| Aug 12, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 42 min |
| Aug 12, 5:06 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 39 min |
| Aug 12, 5:12 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 48 min |
| Aug 12, 5:20 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 40 min |
| Aug 12, 5:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 39 min |
| Aug 12, 5:43 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence | 47 min |
| Aug 12, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 44 min |
| Aug 12, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 52 min |
| Aug 12, 6:06 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 24 min |
| Aug 12, 6:10 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Venango | 50 min |
| Aug 12, 6:25 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 65 min |
| Aug 12, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 42 min |
| Aug 12, 6:38 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Indiana, Jefferson and 1 more | 67 min |
| Aug 12, 6:40 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 20 min |
| Aug 12, 6:53 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 37 min |
| Aug 12, 7:07 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 53 min |
| Aug 12, 7:09 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Fayette, Indiana, Washington, Westmoreland | 81 min |
| Aug 12, 7:43 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 34 min |
| Aug 12, 7:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 37 min |
| Aug 12, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 49 min |
| Aug 12, 8:05 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Sullivan, Tioga | 40 min |
| Aug 12, 8:28 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 47 min |
| Aug 12, 8:39 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 51 min |
| Aug 12, 8:42 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming, Mifflin, Union | 48 min |
| Aug 12, 8:58 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Indiana, Washington, Westmoreland | 41 min |
| Aug 12, 9:01 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Union | 44 min |
| Aug 12, 9:14 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 46 min |
| Aug 12, 9:23 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Snyder, Union | 67 min |
| Aug 12, 9:31 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 44 min |
| Aug 12, 9:56 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne, Wyoming | 49 min |
| Aug 12, 9:59 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lebanon, Northumberland, Perry, Schuylkill | 31 min |
| Aug 12, 10:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon | 48 min |
| Aug 12, 10:31 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lebanon, Northumberland, Schuylkill | 59 min |
| Aug 12, 10:43 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 35 min |
| Aug 12, 11:10 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 34 min |
| Aug 13, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, Fulton, Huntingdon, Juniata and 2 more | 63 min |
| Aug 13, 3:12 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 63 min |
| Aug 13, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 61 min |
| Aug 13, 3:22 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 38 min |
| Aug 13, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | York | 40 min |
| Aug 13, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder | 29 min |
| Aug 13, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 47 min |
| Aug 13, 4:07 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Dauphin, Lancaster, Lebanon, York | 53 min |
| Aug 13, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 60 min |
| Aug 13, 5:24 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 36 min |
| Aug 13, 5:29 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 31 min |
| Aug 13, 6:42 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 48 min |
| Aug 13, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 43 min |
| Aug 13, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 49 min |
| Aug 13, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence | 45 min |
| Aug 13, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 44 min |
| Aug 13, 7:02 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 28 min |
| Aug 13, 7:04 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 26 min |
| Aug 13, 7:11 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 49 min |
| Aug 13, 7:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 39 min |
| Aug 13, 7:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 53 min |
| Aug 13, 7:27 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 48 min |
| Aug 13, 7:29 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 46 min |
| Aug 13, 7:37 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 53 min |
| Aug 13, 7:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Westmoreland | 48 min |
| Aug 13, 7:45 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence | 30 min |
| Aug 13, 8:11 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 31 min |
| Aug 13, 11:29 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 31 min |
| Aug 18, 10:32 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 43 min |
| Aug 18, 12:54 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 36 min |
| Aug 18, 1:31 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 44 min |
| Aug 18, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 33 min |
| Aug 18, 2:36 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 39 min |
| Aug 18, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, York | 24 min |
| Aug 18, 3:56 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder | 34 min |
| Aug 18, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 40 min |
| Aug 18, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 36 min |
| Aug 18, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, Perry, York | 35 min |
| Aug 18, 5:18 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 45 min |
| Aug 18, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 74 min |
| Aug 18, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 40 min |
| Aug 18, 5:38 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 37 min |
| Aug 18, 6:13 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Perry, York | 47 min |
| Aug 18, 6:47 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Dauphin, Lancaster, Lebanon, Schuylkill, York | 43 min |
| Aug 18, 7:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 45 min |
| Aug 18, 8:08 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 37 min |
| Aug 18, 9:12 PM EDT | Severe Thunderstorm Warning | CTP | York | 33 min |
| Aug 18, 9:21 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 39 min |
| Aug 18, 10:28 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 47 min |
| Aug 26, 1:20 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 40 min |
| Aug 26, 3:34 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 26 min |
| Aug 26, 3:48 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 57 min |
| Aug 26, 4:33 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 24 min |
| Aug 26, 4:33 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 42 min |
| Aug 26, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 34 min |
| Aug 26, 5:20 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 40 min |
| Aug 26, 5:37 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna | 25 min |
| Aug 26, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 51 min |
| Aug 27, 1:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 53 min |
| Aug 27, 2:32 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 28 min |
| Aug 27, 2:42 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 14 min |
| Aug 27, 3:07 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 24 min |
| Aug 27, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 59 min |
| Aug 27, 5:38 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 52 min |
| Aug 28, 2:15 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clearfield, Huntingdon | 30 min |
| Aug 28, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 10 min |
| Aug 29, 1:45 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 15 min |
| Aug 29, 3:17 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 28 min |
| Aug 29, 3:38 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 37 min |
| Aug 29, 3:44 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 31 min |
| Aug 29, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 23 min |
| Aug 29, 4:02 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 28 min |
| Aug 29, 4:06 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 24 min |
| Aug 29, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 32 min |
| Aug 29, 4:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 31 min |
| Aug 29, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 45 min |
| Aug 29, 5:14 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 31 min |
| Sep 1, 2:07 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 53 min |
| Sep 1, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | York | 77 min |
| Sep 1, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 35 min |
| Sep 1, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 39 min |
| Sep 1, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 47 min |
| Sep 1, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 61 min |
| Sep 8, 3:27 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 33 min |
| Sep 8, 3:37 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 38 min |
| Sep 8, 4:36 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Snyder | 39 min |
| Sep 8, 5:11 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Northumberland, Snyder | 49 min |
| Sep 8, 5:57 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 37 min |
| Sep 8, 7:17 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 43 min |
| Sep 8, 7:23 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 25 min |
| Sep 8, 7:59 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 61 min |
| Sep 8, 8:55 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 50 min |
| Sep 8, 10:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 49 min |
| Sep 8, 10:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Montgomery, Northampton | 58 min |
| Sep 8, 11:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 48 min |
| Sep 12, 11:23 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 37 min |
| Sep 13, 5:05 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 25 min |
| Sep 13, 5:33 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 27 min |
| Sep 13, 5:59 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 46 min |
| Sep 13, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 47 min |
| Sep 13, 6:44 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 31 min |
| Sep 13, 7:18 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 57 min |
| Sep 13, 7:35 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 55 min |
| Sep 13, 8:01 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Schuylkill | 48 min |
| Sep 13, 8:16 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 44 min |
| Sep 13, 8:28 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 22 min |
| Sep 13, 8:41 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 49 min |
| Sep 13, 9:21 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 38 min |
| Sep 15, 12:46 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 44 min |
| Sep 15, 1:22 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 23 min |
| Sep 15, 1:44 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 31 min |
| Sep 15, 1:48 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 42 min |
| Sep 15, 2:14 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 31 min |
| Sep 15, 2:54 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Northumberland, Union | 36 min |
| Sep 15, 3:20 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 40 min |
| Sep 15, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland, Union | 36 min |
| Sep 15, 4:18 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 27 min |
| Sep 15, 4:25 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 35 min |
| Sep 15, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 32 min |
| Sep 15, 4:49 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 41 min |
| Sep 15, 5:37 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 38 min |
| Sep 15, 6:17 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 43 min |
| Sep 15, 6:24 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 27 min |
| Sep 15, 7:08 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 37 min |
| Sep 23, 12:12 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 48 min |
| Sep 23, 1:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 47 min |
| Sep 28, 7:29 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 31 min |
| Oct 15, 12:17 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 43 min |
| Oct 15, 12:58 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 47 min |
| Oct 15, 2:43 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 44 min |
| Oct 15, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 32 min |
| Oct 16, 4:52 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 38 min |
| Oct 16, 5:47 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 43 min |
| Oct 16, 7:40 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 35 min |
| Oct 16, 8:13 AM EDT | Severe Thunderstorm Warning | CTP | Elk | 47 min |
| Oct 16, 8:13 AM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 17 min |
| Oct 16, 8:47 AM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean, Potter | 43 min |
| Oct 16, 3:31 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 18 min |
| Oct 16, 4:02 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 43 min |
| Oct 21, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 27 min |
| Oct 21, 5:48 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 27 min |
| Oct 21, 7:13 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 47 min |
| Oct 21, 9:06 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 24 min |
| Oct 21, 9:15 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 15 min |
| Oct 21, 9:39 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 36 min |
| Oct 21, 9:52 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 38 min |
| Oct 25, 6:33 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 42 min |
| Oct 25, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware | 48 min |
| Oct 25, 7:34 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 26 min |
| Dec 11, 9:01 PM EST | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 48 min |
| Dec 27, 7:25 PM EST | Severe Thunderstorm Warning | PBZ | Greene | 35 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County74
- Bucks County73
- Westmoreland County69
- Washington County63
- Montgomery County52
- Butler County51
- Beaver County45
- Indiana County45
- Chester County44
- Susquehanna County43
- Philadelphia County42
- Armstrong County42
- Lancaster County41
- Delaware County40
- Berks County40
- Bradford County39
- Northampton County38
- Lycoming County38
- Luzerne County37
- York County37
- Centre County37
- Dauphin County36
- Wayne County34
- Clarion County34
- Lehigh County33
- Wyoming County33
- Venango County33
- Lackawanna County32
- Cumberland County31
- Clinton County31
- Jefferson County30
- Clearfield County29
- Lebanon County29
- Fayette County29
- Perry County28
- Northumberland County28
- Greene County28
- Monroe County27
- Columbia County26
- Lawrence County25
27 more counties
- Juniata County22
- Snyder County22
- Sullivan County22
- Carbon County22
- Schuylkill County21
- Adams County21
- Crawford County21
- Blair County20
- Union County20
- Mercer County19
- Mifflin County19
- Forest County19
- Pike County18
- McKean County18
- Franklin County17
- Cambria County16
- Huntingdon County16
- Elk County14
- Potter County13
- Tioga County13
- Montour County13
- Warren County12
- Somerset County12
- Bedford County11
- Erie County10
- Cameron County8
- Fulton County5
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.