Alert archive / Pennsylvania / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Pennsylvania, 2006
529 severe thunderstorm warnings in 2006. 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 2006. Tap one for its archive.
- Severe Thunderstorm Warnings
- 529
- Busiest month
- July167 severe thunderstorm warnings
- Busiest day
- December 1, 200642 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 |
|---|---|---|---|---|
| Jan 14, 5:28 AM EST | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 47 min |
| Feb 4, 9:29 PM EST | Severe Thunderstorm Warning | CTP | Lancaster, Warren | 58 days |
| Feb 4, 9:40 PM EST | Severe Thunderstorm Warning | PHI | Chester | 50 min |
| Feb 4, 10:00 PM EST | Severe Thunderstorm Warning | PHI | Berks | 45 min |
| Feb 17, 10:01 AM EST | Severe Thunderstorm Warning | BGM | Pike | 59 min |
| Feb 17, 10:25 AM EST | Severe Thunderstorm Warning | PHI | Bucks | 73 min |
| Mar 13, 11:53 AM EST | Severe Thunderstorm Warning | PBZ | Mercer | 30 min |
| Mar 13, 2:50 PM EST | Severe Thunderstorm Warning | PBZ | Beaver | 55 min |
| Mar 13, 3:06 PM EST | Severe Thunderstorm Warning | PBZ | Lawrence | 24 min |
| Mar 13, 3:07 PM EST | Severe Thunderstorm Warning | PBZ | Butler | 23 min |
| Mar 13, 4:28 PM EST | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 21 days |
| Mar 13, 5:19 PM EST | Severe Thunderstorm Warning | CTP | Blair, Clinton | 21 days |
| Mar 13, 6:25 PM EST | Severe Thunderstorm Warning | CTP | Clearfield, Sullivan | 25 days |
| Mar 13, 7:00 PM EST | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland, Union | 25 days |
| Apr 3, 12:59 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 61 min |
| Apr 3, 1:07 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 53 min |
| Apr 3, 1:42 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 63 min |
| Apr 3, 1:46 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 29 min |
| Apr 3, 1:54 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 36 min |
| Apr 3, 2:24 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 51 min |
| Apr 7, 4:41 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 64 min |
| Apr 7, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 49 min |
| Apr 12, 6:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 61 min |
| Apr 12, 7:02 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 43 min |
| Apr 12, 7:08 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 52 min |
| Apr 12, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 44 min |
| Apr 12, 7:52 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 38 min |
| Apr 12, 8:04 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 26 min |
| Apr 12, 9:00 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 60 min |
| Apr 12, 9:47 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 58 min |
| Apr 12, 10:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 48 min |
| Apr 13, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 45 min |
| Apr 13, 5:44 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 35 min |
| Apr 13, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 67 min |
| Apr 13, 6:53 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 52 min |
| Apr 13, 7:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 47 min |
| Apr 14, 7:44 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 46 min |
| Apr 14, 7:54 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 45 min |
| Apr 14, 8:09 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 48 min |
| Apr 22, 4:37 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 38 min |
| Apr 22, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 59 min |
| Apr 23, 11:51 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland | 54 min |
| Apr 24, 12:15 AM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 60 min |
| Apr 24, 3:01 AM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland | 44 min |
| Apr 24, 3:08 AM EDT | Severe Thunderstorm Warning | CTP | Columbia | 82 min |
| Apr 24, 4:03 AM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 27 min |
| Apr 24, 4:22 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 53 min |
| Apr 24, 5:08 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 37 min |
| Apr 24, 5:15 AM EDT | Severe Thunderstorm Warning | PHI | Chester | 60 min |
| Apr 24, 6:11 AM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 64 min |
| Apr 24, 7:19 AM EDT | Severe Thunderstorm Warning | CTP | York | 41 min |
| Apr 24, 7:20 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Apr 24, 7:57 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 40 min |
| May 13, 2:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 34 min |
| May 13, 2:59 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 46 min |
| May 13, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 13 min |
| May 15, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 48 min |
| May 15, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 38 min |
| May 17, 7:46 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 26 min |
| May 26, 9:38 AM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 26 min |
| May 26, 9:52 AM EDT | Severe Thunderstorm Warning | PHI | Northampton | 38 min |
| May 26, 6:06 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 15 min |
| May 29, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 67 min |
| May 30, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 56 min |
| May 30, 4:58 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 47 min |
| May 30, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 40 min |
| May 30, 5:34 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 56 min |
| May 30, 5:58 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 32 min |
| May 30, 6:01 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 59 min |
| May 30, 6:34 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 56 min |
| May 30, 6:55 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 65 min |
| May 30, 6:58 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 62 min |
| May 30, 7:18 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 57 min |
| May 30, 7:29 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 46 min |
| May 30, 7:42 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 63 min |
| May 30, 8:01 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 59 min |
| May 30, 8:13 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 62 min |
| May 30, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 54 min |
| May 30, 9:16 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 44 min |
| May 30, 9:16 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 44 min |
| May 30, 9:50 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 55 min |
| May 30, 9:59 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Union | 61 min |
| May 30, 10:08 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 97 min |
| May 30, 10:42 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 63 min |
| May 30, 11:10 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 35 min |
| May 30, 11:14 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 76 min |
| May 31, 12:31 AM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 44 min |
| May 31, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 74 min |
| May 31, 5:18 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 57 min |
| May 31, 5:40 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 65 min |
| May 31, 6:29 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 76 min |
| May 31, 7:53 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 67 min |
| Jun 1, 3:18 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 42 min |
| Jun 1, 1:17 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 58 min |
| Jun 1, 2:17 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 58 min |
| Jun 1, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 36 min |
| Jun 1, 3:46 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 29 min |
| Jun 1, 4:45 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 30 min |
| Jun 1, 5:12 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 63 min |
| Jun 1, 5:48 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 42 min |
| Jun 1, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 65 min |
| Jun 1, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 49 min |
| Jun 1, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 63 min |
| Jun 1, 6:56 PM EDT | Severe Thunderstorm Warning | CTP | York | 64 min |
| Jun 1, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 59 min |
| Jun 1, 7:28 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 47 min |
| Jun 2, 2:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 32 min |
| Jun 2, 3:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 51 min |
| Jun 2, 4:23 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin | 37 min |
| Jun 2, 6:09 PM EDT | Severe Thunderstorm Warning | CTP | York | 66 min |
| Jun 2, 8:28 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 62 min |
| Jun 9, 11:44 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 61 min |
| Jun 9, 12:17 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 43 min |
| Jun 9, 12:40 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 50 min |
| Jun 9, 1:20 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 25 min |
| Jun 9, 1:38 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 67 min |
| Jun 9, 1:47 PM EDT | Severe Thunderstorm Warning | CTP | York | 58 min |
| Jun 9, 1:59 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 46 min |
| Jun 9, 2:32 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 28 min |
| Jun 9, 2:37 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 53 min |
| Jun 9, 4:57 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 48 min |
| Jun 9, 5:34 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 26 min |
| Jun 19, 1:58 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 52 min |
| Jun 19, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 47 min |
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 56 min |
| Jun 19, 5:18 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 42 min |
| Jun 19, 5:27 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 78 min |
| Jun 19, 5:27 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jun 19, 6:10 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 65 min |
| Jun 19, 6:23 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 67 min |
| Jun 19, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 64 min |
| Jun 19, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 55 min |
| Jun 19, 9:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 44 min |
| Jun 19, 11:24 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 66 min |
| Jun 21, 10:34 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 56 min |
| Jun 22, 12:14 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 61 min |
| Jun 22, 1:12 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 63 min |
| Jun 22, 1:26 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 64 min |
| Jun 22, 3:41 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 79 min |
| Jun 22, 4:06 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 54 min |
| Jun 22, 4:21 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 54 min |
| Jun 22, 4:37 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Jun 22, 4:47 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 58 min |
| Jun 22, 4:49 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 56 min |
| Jun 22, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 59 min |
| Jun 22, 5:04 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 56 min |
| Jun 22, 5:12 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 63 min |
| Jun 22, 5:24 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 66 min |
| Jun 22, 5:34 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 56 min |
| Jun 22, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 61 min |
| Jun 22, 5:52 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 53 min |
| Jun 22, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 67 min |
| Jun 22, 6:13 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 62 min |
| Jun 22, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 62 min |
| Jun 22, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 58 min |
| Jun 22, 6:36 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 54 min |
| Jun 22, 6:41 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 64 min |
| Jun 22, 6:43 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 62 min |
| Jun 22, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 46 min |
| Jun 22, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 58 min |
| Jun 22, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 54 min |
| Jun 22, 6:55 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 65 min |
| Jun 22, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 89 min |
| Jun 22, 7:30 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 45 min |
| Jun 22, 7:39 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 66 min |
| Jun 22, 7:41 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 64 min |
| Jun 22, 7:49 PM EDT | Severe Thunderstorm Warning | CTP | Juniata | 26 min |
| Jun 22, 8:14 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Union | 76 min |
| Jun 22, 8:22 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 53 min |
| Jun 22, 8:38 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 82 min |
| Jun 22, 8:41 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 64 min |
| Jun 22, 8:43 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 62 min |
| Jun 22, 8:52 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Montour, Schuylkill | 68 min |
| Jun 22, 8:54 PM EDT | Severe Thunderstorm Warning | CTP | York | 66 min |
| Jun 22, 9:00 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 90 min |
| Jun 22, 9:02 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 58 min |
| Jun 22, 9:23 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 37 min |
| Jun 22, 9:31 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 44 min |
| Jun 22, 9:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 84 min |
| Jun 22, 9:58 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 32 min |
| Jun 22, 9:58 PM EDT | Severe Thunderstorm Warning | CTP | York | 47 min |
| Jun 22, 10:16 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 59 min |
| Jun 22, 10:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 37 min |
| Jun 22, 10:41 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 38 min |
| Jun 22, 10:56 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh | 25 min |
| Jun 25, 12:29 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 61 min |
| Jun 26, 5:51 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 24 min |
| Jun 27, 11:42 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 48 min |
| Jun 27, 12:17 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 58 min |
| Jun 27, 12:30 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 60 min |
| Jun 27, 12:56 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 49 min |
| Jun 28, 2:38 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 67 min |
| Jun 28, 3:12 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jun 28, 3:39 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 66 min |
| Jun 28, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 66 min |
| Jun 28, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 55 min |
| Jun 28, 5:41 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 64 min |
| Jun 28, 7:33 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin | 42 min |
| Jun 28, 7:50 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 40 min |
| Jun 28, 9:25 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 50 min |
| Jun 29, 1:38 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 67 min |
| Jun 29, 3:48 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 27 min |
| Jun 29, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 65 min |
| Jun 29, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 64 min |
| Jun 29, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 57 min |
| Jun 29, 5:03 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 57 min |
| Jun 29, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 65 min |
| Jun 29, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 60 min |
| Jun 29, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 53 min |
| Jun 29, 5:24 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 66 min |
| Jun 29, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 54 min |
| Jun 29, 6:12 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 48 min |
| Jun 29, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 22 min |
| Jun 29, 9:33 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 42 min |
| Jun 30, 3:02 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 28 min |
| Jun 30, 3:30 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 45 min |
| Jun 30, 5:48 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 27 min |
| Jun 30, 6:13 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 32 min |
| Jun 30, 6:42 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 33 min |
| Jun 30, 7:03 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 57 min |
| Jun 30, 7:14 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 31 min |
| Jul 2, 2:38 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 52 min |
| Jul 2, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 49 min |
| Jul 2, 2:55 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 65 min |
| Jul 2, 2:55 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 65 min |
| Jul 2, 3:00 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 60 min |
| Jul 2, 3:01 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 44 min |
| Jul 2, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 50 min |
| Jul 2, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 66 min |
| Jul 2, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 54 min |
| Jul 2, 3:38 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 67 min |
| Jul 2, 3:41 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 64 min |
| Jul 2, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 62 min |
| Jul 2, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 58 min |
| Jul 2, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 65 min |
| Jul 2, 4:01 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 59 min |
| Jul 2, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 91 min |
| Jul 2, 4:35 PM EDT | Severe Thunderstorm Warning | CTP | Juniata | 40 min |
| Jul 2, 4:35 PM EDT | Severe Thunderstorm Warning | CTP | Union | 40 min |
| Jul 2, 4:42 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 33 min |
| Jul 2, 4:43 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 30 min |
| Jul 2, 4:49 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 41 min |
| Jul 2, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 62 min |
| Jul 2, 5:00 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 30 min |
| Jul 2, 5:13 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 62 min |
| Jul 2, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 58 min |
| Jul 2, 5:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 58 min |
| Jul 2, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 66 min |
| Jul 2, 6:12 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 63 min |
| Jul 2, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 36 min |
| Jul 2, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 51 min |
| Jul 2, 6:58 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 32 min |
| Jul 2, 7:01 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 59 min |
| Jul 2, 7:38 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 37 min |
| Jul 4, 12:40 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 65 min |
| Jul 4, 12:55 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 65 min |
| Jul 4, 1:04 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 41 min |
| Jul 4, 1:19 PM EDT | Severe Thunderstorm Warning | CTP | York | 56 min |
| Jul 4, 1:25 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 65 min |
| Jul 4, 1:29 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 91 min |
| Jul 4, 2:08 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 67 min |
| Jul 4, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | York | 33 min |
| Jul 4, 2:34 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 26 min |
| Jul 4, 2:42 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 33 min |
| Jul 9, 1:49 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 41 min |
| Jul 9, 2:25 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 35 min |
| Jul 9, 3:23 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 67 min |
| Jul 9, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 39 min |
| Jul 9, 3:37 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 53 min |
| Jul 9, 4:18 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 42 min |
| Jul 9, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 60 min |
| Jul 9, 5:03 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 57 min |
| Jul 9, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Montour | 28 min |
| Jul 9, 6:05 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 55 min |
| Jul 9, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 78 min |
| Jul 9, 6:20 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 70 min |
| Jul 9, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 63 min |
| Jul 9, 7:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 79 min |
| Jul 9, 7:36 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 54 min |
| Jul 9, 7:53 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 67 min |
| Jul 9, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 82 min |
| Jul 9, 9:41 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 49 min |
| Jul 9, 11:31 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 59 min |
| Jul 10, 11:06 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 54 min |
| Jul 10, 12:51 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 54 min |
| Jul 10, 1:54 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 66 min |
| Jul 10, 1:59 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 61 min |
| Jul 10, 2:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 46 min |
| Jul 10, 7:34 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 56 min |
| Jul 10, 8:58 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 32 min |
| Jul 10, 10:01 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 59 min |
| Jul 10, 10:44 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 16 min |
| Jul 10, 10:48 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 42 min |
| Jul 12, 12:53 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 52 min |
| Jul 12, 3:37 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 53 min |
| Jul 12, 3:57 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 63 min |
| Jul 12, 5:56 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 49 min |
| Jul 12, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | Juniata | 54 min |
| Jul 12, 6:38 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 67 min |
| Jul 12, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 39 min |
| Jul 12, 7:10 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 80 min |
| Jul 12, 7:27 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 48 min |
| Jul 12, 7:49 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 56 min |
| Jul 12, 8:08 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 67 min |
| Jul 12, 8:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 65 min |
| Jul 12, 9:00 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 45 min |
| Jul 12, 9:00 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 45 min |
| Jul 12, 9:21 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 39 min |
| Jul 18, 10:53 AM EDT | Severe Thunderstorm Warning | BGM | Bradford | 33 min |
| Jul 18, 1:41 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 34 min |
| Jul 18, 1:57 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 63 min |
| Jul 18, 2:13 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 47 min |
| Jul 18, 2:38 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 44 min |
| Jul 18, 3:37 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 53 min |
| Jul 18, 3:39 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 66 min |
| Jul 18, 3:50 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 55 min |
| Jul 18, 4:23 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 59 min |
| Jul 18, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 50 min |
| Jul 18, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 76 min |
| Jul 18, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 32 min |
| Jul 18, 4:51 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 56 min |
| Jul 18, 4:53 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 82 min |
| Jul 18, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | York | 2 hr |
| Jul 18, 5:12 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 63 min |
| Jul 18, 5:26 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 64 min |
| Jul 18, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 57 min |
| Jul 18, 5:52 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 53 min |
| Jul 18, 5:53 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 112 min |
| Jul 18, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 78 min |
| Jul 18, 6:50 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 55 min |
| Jul 18, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery | 81 min |
| Jul 18, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 65 min |
| Jul 18, 7:37 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 53 min |
| Jul 18, 8:48 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 27 min |
| Jul 20, 6:36 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 39 min |
| Jul 20, 7:02 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 58 min |
| Jul 20, 7:13 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 47 min |
| Jul 20, 8:08 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 67 min |
| Jul 21, 6:48 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 57 min |
| Jul 21, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 29 min |
| Jul 21, 7:22 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 53 min |
| Jul 21, 7:53 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 82 min |
| Jul 22, 3:37 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 53 min |
| Jul 22, 3:42 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 57 min |
| Jul 22, 4:23 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 67 min |
| Jul 22, 5:24 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 66 min |
| Jul 25, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 84 min |
| Jul 27, 12:41 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 64 min |
| Jul 27, 12:59 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 46 min |
| Jul 27, 2:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 60 min |
| Jul 27, 3:53 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 67 min |
| Jul 27, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 61 min |
| Jul 27, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Montour | 36 min |
| Jul 27, 4:32 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 43 min |
| Jul 27, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 38 min |
| Jul 27, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 47 min |
| Jul 27, 5:02 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 43 min |
| Jul 27, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 69 min |
| Jul 27, 5:06 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 39 min |
| Jul 27, 5:08 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 67 min |
| Jul 27, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 62 min |
| Jul 27, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 53 min |
| Jul 27, 6:03 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 57 min |
| Jul 27, 9:57 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 48 min |
| Jul 27, 10:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 65 min |
| Jul 27, 11:32 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery | 88 min |
| Jul 28, 12:32 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 43 min |
| Jul 28, 12:40 AM EDT | Severe Thunderstorm Warning | PHI | Bucks | 65 min |
| Jul 28, 12:46 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland | 59 min |
| Jul 28, 1:00 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 60 min |
| Jul 28, 1:11 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 79 min |
| Jul 28, 2:28 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 62 min |
| Jul 28, 2:49 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 56 min |
| Jul 28, 3:07 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 53 min |
| Jul 28, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 57 min |
| Jul 29, 11:21 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 54 min |
| Jul 30, 12:10 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 65 min |
| Jul 30, 12:32 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 43 min |
| Jul 30, 3:50 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 40 min |
| Jul 30, 1:15 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 60 min |
| Jul 30, 2:19 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler | 26 min |
| Jul 30, 2:44 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 61 min |
| Jul 30, 3:50 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 40 min |
| Jul 30, 5:37 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 23 min |
| Jul 30, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 58 min |
| Jul 30, 8:32 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 58 min |
| Jul 31, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 56 min |
| Jul 31, 4:10 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 35 min |
| Aug 3, 11:40 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 65 min |
| Aug 3, 1:22 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 23 min |
| Aug 3, 1:38 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 67 min |
| Aug 3, 2:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 60 min |
| Aug 3, 2:19 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 56 min |
| Aug 3, 2:39 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 66 min |
| Aug 3, 2:48 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 117 min |
| Aug 3, 3:14 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 61 min |
| Aug 3, 3:22 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 38 min |
| Aug 3, 3:22 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 53 min |
| Aug 3, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 53 min |
| Aug 3, 3:38 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 36 min |
| Aug 3, 3:48 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 57 min |
| Aug 3, 3:49 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 56 min |
| Aug 3, 4:03 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Aug 3, 4:11 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 64 min |
| Aug 3, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 38 min |
| Aug 3, 4:26 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 64 min |
| Aug 3, 4:32 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 58 min |
| Aug 3, 4:56 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 64 min |
| Aug 3, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 57 min |
| Aug 3, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 64 min |
| Aug 3, 5:39 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 32 min |
| Aug 3, 5:49 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 41 min |
| Aug 3, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Aug 3, 6:21 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 54 min |
| Aug 3, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 58 min |
| Aug 3, 7:48 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 57 min |
| Aug 3, 9:15 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 30 min |
| Aug 7, 8:57 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 63 min |
| Aug 7, 9:32 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 43 min |
| Aug 23, 10:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 48 min |
| Aug 25, 9:13 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 62 min |
| Aug 25, 9:48 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 87 min |
| Aug 25, 10:26 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 64 min |
| Aug 25, 10:43 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 32 min |
| Aug 25, 10:51 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 39 min |
| Aug 25, 11:05 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 40 min |
| Aug 25, 11:43 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 47 min |
| Aug 25, 11:47 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 58 min |
| Aug 25, 11:53 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 52 min |
| Aug 26, 12:00 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 45 min |
| Aug 26, 12:52 AM EDT | Severe Thunderstorm Warning | CTP | Columbia | 38 min |
| Aug 26, 12:57 AM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 48 min |
| Aug 26, 1:55 AM EDT | Severe Thunderstorm Warning | PHI | Bucks | 50 min |
| Aug 26, 2:12 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh | 48 min |
| Aug 26, 3:05 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh | 55 min |
| Aug 26, 3:30 AM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 45 min |
| Aug 26, 4:11 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 49 min |
| Aug 29, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 56 min |
| Aug 29, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 61 min |
| Aug 29, 2:53 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 52 min |
| Aug 29, 3:37 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 68 min |
| Sep 9, 2:13 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 77 min |
| Sep 9, 3:02 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 28 min |
| Sep 9, 3:08 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 67 min |
| Sep 9, 3:42 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 63 min |
| Sep 9, 3:43 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 40 min |
| Sep 9, 4:01 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 33 min |
| Sep 9, 4:09 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Potter | 51 min |
| Sep 9, 4:19 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 41 min |
| Sep 9, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 57 min |
| Sep 9, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 35 min |
| Sep 28, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 59 min |
| Sep 28, 4:35 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 55 min |
| Sep 28, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 43 min |
| Sep 28, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | York | 44 min |
| Sep 28, 5:17 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 28 min |
| Sep 28, 5:21 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 39 min |
| Sep 28, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 65 min |
| Sep 28, 5:40 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 65 min |
| Sep 28, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 50 min |
| Sep 28, 6:05 PM EDT | Severe Thunderstorm Warning | CTP | York | 55 min |
| Sep 28, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 94 min |
| Sep 28, 6:41 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 49 min |
| Sep 28, 7:23 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 67 min |
| Sep 28, 7:28 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 62 min |
| Sep 28, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 50 min |
| Sep 28, 7:42 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 33 min |
| Oct 4, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 47 min |
| Oct 4, 5:28 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 32 min |
| Oct 4, 5:34 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 56 min |
| Oct 4, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 39 min |
| Oct 4, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 45 min |
| Oct 4, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 75 min |
| Oct 4, 6:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 73 min |
| Oct 4, 6:24 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 66 min |
| Oct 4, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 64 min |
| Oct 11, 11:46 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 13 min |
| Nov 16, 1:00 PM EST | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Perry | 60 min |
| Nov 16, 1:12 PM EST | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 48 min |
| Nov 16, 1:52 PM EST | Severe Thunderstorm Warning | CTP | Snyder | 38 min |
| Nov 16, 2:24 PM EST | Severe Thunderstorm Warning | CTP | York | 36 min |
| Nov 16, 2:29 PM EST | Severe Thunderstorm Warning | BGM | Bradford | 46 min |
| Nov 16, 2:48 PM EST | Severe Thunderstorm Warning | CTP | Lancaster | 57 min |
| Nov 16, 3:05 PM EST | Severe Thunderstorm Warning | CTP | Sullivan | 25 min |
| Nov 16, 3:14 PM EST | Severe Thunderstorm Warning | CTP | Lebanon | 31 min |
| Nov 16, 3:32 PM EST | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 42 min |
| Nov 16, 3:51 PM EST | Severe Thunderstorm Warning | CTP | Schuylkill | 39 min |
| Dec 1, 10:53 AM EST | Severe Thunderstorm Warning | PBZ | Allegheny | 67 min |
| Dec 1, 11:00 AM EST | Severe Thunderstorm Warning | PBZ | Venango | 60 min |
| Dec 1, 11:11 AM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 64 min |
| Dec 1, 11:15 AM EST | Severe Thunderstorm Warning | PBZ | Westmoreland | 60 min |
| Dec 1, 11:29 AM EST | Severe Thunderstorm Warning | CTP | Warren | 46 min |
| Dec 1, 11:44 AM EST | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 61 min |
| Dec 1, 12:05 PM EST | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 55 min |
| Dec 1, 12:11 PM EST | Severe Thunderstorm Warning | PBZ | Jefferson | 64 min |
| Dec 1, 12:14 PM EST | Severe Thunderstorm Warning | PBZ | Indiana | 46 min |
| Dec 1, 12:14 PM EST | Severe Thunderstorm Warning | PBZ | Fayette | 42 min |
| Dec 1, 12:25 PM EST | Severe Thunderstorm Warning | CTP | Bedford, Blair | 50 min |
| Dec 1, 12:26 PM EST | Severe Thunderstorm Warning | PBZ | Westmoreland | 47 min |
| Dec 1, 12:29 PM EST | Severe Thunderstorm Warning | CTP | McKean | 61 min |
| Dec 1, 12:45 PM EST | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 75 min |
| Dec 1, 12:59 PM EST | Severe Thunderstorm Warning | PBZ | Indiana | 31 min |
| Dec 1, 1:07 PM EST | Severe Thunderstorm Warning | CTP | Potter | 53 min |
| Dec 1, 2:29 PM EST | Severe Thunderstorm Warning | BGM | Bradford | 61 min |
| Dec 1, 2:38 PM EST | Severe Thunderstorm Warning | CTP | Montour, Northumberland, Snyder, Union | 37 min |
| Dec 1, 2:45 PM EST | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 30 min |
| Dec 1, 2:48 PM EST | Severe Thunderstorm Warning | CTP | Columbia | 27 min |
| Dec 1, 3:00 PM EST | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 60 min |
| Dec 1, 3:14 PM EST | Severe Thunderstorm Warning | BGM | Susquehanna | 61 min |
| Dec 1, 3:24 PM EST | Severe Thunderstorm Warning | BGM | Lackawanna | 66 min |
| Dec 1, 3:30 PM EST | Severe Thunderstorm Warning | CTP | Mifflin | 30 min |
| Dec 1, 3:34 PM EST | Severe Thunderstorm Warning | CTP | Juniata, Perry | 56 min |
| Dec 1, 3:44 PM EST | Severe Thunderstorm Warning | CTP | Snyder | 31 min |
| Dec 1, 3:57 PM EST | Severe Thunderstorm Warning | CTP | Montour, Northumberland, Union | 33 min |
| Dec 1, 3:59 PM EST | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 61 min |
| Dec 1, 4:04 PM EST | Severe Thunderstorm Warning | BGM | Wayne | 56 min |
| Dec 1, 4:07 PM EST | Severe Thunderstorm Warning | CTP | Dauphin | 53 min |
| Dec 1, 4:11 PM EST | Severe Thunderstorm Warning | CTP | Columbia | 49 min |
| Dec 1, 4:21 PM EST | Severe Thunderstorm Warning | CTP | Schuylkill | 54 min |
| Dec 1, 4:27 PM EST | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 78 min |
| Dec 1, 4:28 PM EST | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna | 47 min |
| Dec 1, 4:39 PM EST | Severe Thunderstorm Warning | CTP | Lebanon | 51 min |
| Dec 1, 4:49 PM EST | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 71 min |
| Dec 1, 4:59 PM EST | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wayne | 46 min |
| Dec 1, 4:59 PM EST | Severe Thunderstorm Warning | BGM | Pike | 61 min |
| Dec 1, 5:06 PM EST | Severe Thunderstorm Warning | CTP | York | 24 min |
| Dec 1, 5:09 PM EST | Severe Thunderstorm Warning | CTP | Lancaster | 66 min |
| Dec 1, 5:45 PM EST | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 42 min |
| Dec 1, 5:58 PM EST | Severe Thunderstorm Warning | BGM | Pike | 32 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berks County22
- Bucks County20
- Northumberland County18
- Montgomery County18
- Chester County17
- Dauphin County16
- Lancaster County15
- Clearfield County15
- York County15
- Northampton County14
- Schuylkill County14
- Lehigh County13
- Mercer County13
- Allegheny County13
- Luzerne County13
- Philadelphia County13
- Lackawanna County13
- Bradford County13
- Lycoming County13
- Beaver County12
- Columbia County12
- Susquehanna County12
- Westmoreland County11
- Snyder County11
- Lebanon County11
- Clinton County10
- Sullivan County10
- Fayette County10
- Delaware County10
- Wayne County10
- Cumberland County10
- Warren County9
- Butler County9
- Monroe County9
- Juniata County9
- Huntingdon County9
- Pike County8
- Elk County8
- Crawford County8
- Armstrong County8
26 more counties
- Washington County8
- Perry County8
- Franklin County8
- Mifflin County8
- Wyoming County8
- Lawrence County7
- Carbon County7
- McKean County7
- Indiana County7
- Union County6
- Clarion County6
- Montour County6
- Cambria County6
- Tioga County6
- Venango County6
- Centre County6
- Blair County5
- Cameron County5
- Adams County5
- Erie County4
- Jefferson County4
- Somerset County4
- Bedford County4
- Greene County3
- Potter County3
- Fulton County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20052007
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.