Alert archive / Pennsylvania / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Pennsylvania, 1996
512 severe thunderstorm warnings in 1996. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in 1996. Tap one for its archive.
- Severe Thunderstorm Warnings
- 512
- Busiest month
- June178 severe thunderstorm warnings
- Busiest day
- June 24, 199628 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 19, 12:33 PM EST | Severe Thunderstorm Warning | BGM | Pike, Wayne | 42 min |
| Jan 27, 9:20 AM EST | Severe Thunderstorm Warning | CTP | McKean | 55 min |
| Jan 27, 9:24 AM EST | Severe Thunderstorm Warning | CTP | Cambria, Clearfield, Elk | 66 min |
| Jan 27, 9:24 AM EST | Severe Thunderstorm Warning | CTP | Somerset | 66 min |
| Feb 24, 1:21 AM EST | Severe Thunderstorm Warning | PBZ | Westmoreland | 69 min |
| Feb 27, 10:34 AM EST | Severe Thunderstorm Warning | PBZ | Fayette | 26 min |
| Mar 25, 5:10 PM EST | Severe Thunderstorm Warning | PBZ | Washington | 50 min |
| Mar 25, 5:28 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 47 min |
| Mar 25, 5:28 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny | 47 min |
| Mar 25, 7:33 PM EST | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Union | 57 min |
| Mar 25, 7:33 PM EST | Severe Thunderstorm Warning | CTP | Snyder | 57 min |
| Apr 12, 7:03 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 57 min |
| Apr 12, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 64 min |
| Apr 12, 8:18 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 57 min |
| Apr 12, 8:18 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 57 min |
| Apr 12, 8:18 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence | 57 min |
| Apr 12, 8:25 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 65 min |
| Apr 12, 8:45 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 60 min |
| Apr 12, 9:20 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield | 70 min |
| Apr 12, 9:20 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 70 min |
| Apr 12, 9:43 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 62 min |
| Apr 12, 9:43 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 62 min |
| Apr 12, 9:43 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 62 min |
| Apr 12, 10:14 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 61 min |
| Apr 15, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 45 min |
| Apr 15, 6:36 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 54 min |
| Apr 15, 6:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 54 min |
| Apr 15, 6:36 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 54 min |
| Apr 15, 7:03 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 42 min |
| Apr 23, 3:14 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 46 min |
| Apr 23, 3:41 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 64 min |
| Apr 23, 3:59 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland | 46 min |
| Apr 23, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 48 min |
| Apr 23, 4:12 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 63 min |
| Apr 23, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 59 min |
| Apr 23, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 57 min |
| Apr 23, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Fulton, Huntingdon | 43 min |
| Apr 23, 5:12 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin | 63 min |
| Apr 23, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 63 min |
| Apr 23, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Juniata | 63 min |
| Apr 23, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 53 min |
| Apr 23, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Snyder, Union | 58 min |
| Apr 23, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 57 min |
| Apr 23, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Northumberland | 57 min |
| Apr 23, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lebanon, Schuylkill | 60 min |
| Apr 23, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Montour | 60 min |
| Apr 23, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 60 min |
| Apr 23, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 46 min |
| Apr 23, 7:06 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 54 min |
| Apr 23, 7:18 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 27 min |
| Apr 23, 7:40 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 35 min |
| Apr 23, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 42 min |
| Apr 26, 4:52 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 53 min |
| Apr 26, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 44 min |
| Apr 26, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 60 min |
| Apr 26, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 46 min |
| Apr 26, 7:10 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 50 min |
| Apr 30, 1:48 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 57 min |
| Apr 30, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 29 min |
| May 1, 6:30 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 60 min |
| May 1, 6:58 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 62 min |
| May 1, 6:58 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 62 min |
| May 1, 6:59 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 46 min |
| May 1, 7:39 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 66 min |
| May 5, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 63 min |
| May 5, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 60 min |
| May 5, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 64 min |
| May 9, 6:59 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 61 min |
| May 9, 7:59 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 76 min |
| May 9, 8:16 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 44 min |
| May 9, 8:35 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 70 min |
| May 9, 9:14 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 91 min |
| May 9, 9:18 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 57 min |
| May 9, 9:20 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 55 min |
| May 10, 5:18 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 57 min |
| May 10, 7:22 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 68 min |
| May 10, 8:26 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 64 min |
| May 10, 8:47 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 58 min |
| May 10, 9:45 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 45 min |
| May 11, 1:51 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder | 54 min |
| May 11, 2:01 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 59 min |
| May 11, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland | 56 min |
| May 11, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 56 min |
| May 11, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 58 min |
| May 11, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, York | 87 min |
| May 11, 2:44 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 61 min |
| May 11, 2:56 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 94 min |
| May 11, 3:14 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 46 min |
| May 11, 3:51 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 34 min |
| May 11, 3:53 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh | 47 min |
| May 11, 4:10 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 50 min |
| May 11, 4:43 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 47 min |
| May 11, 5:10 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 50 min |
| May 21, 9:27 AM EDT | Severe Thunderstorm Warning | CTP | Potter | 63 min |
| May 21, 12:29 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 46 min |
| May 21, 12:49 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 56 min |
| May 21, 1:01 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 44 min |
| May 21, 1:05 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wayne | 55 min |
| May 21, 1:11 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 64 min |
| May 21, 1:19 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 56 min |
| May 21, 1:30 PM EDT | Severe Thunderstorm Warning | CTP | Fulton, Huntingdon | 60 min |
| May 21, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 30 min |
| May 22, 6:09 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 51 min |
| May 22, 7:02 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 43 min |
| Jun 4, 2:23 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Juniata, Perry | 67 min |
| Jun 4, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 65 min |
| Jun 4, 3:29 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 61 min |
| Jun 4, 3:30 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 30 min |
| Jun 4, 3:39 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 51 min |
| Jun 4, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 62 min |
| Jun 4, 3:48 PM EDT | Severe Thunderstorm Warning | CTP | York | 57 min |
| Jun 4, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 45 min |
| Jun 4, 4:40 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 65 min |
| Jun 4, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 60 min |
| Jun 4, 4:47 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 58 min |
| Jun 4, 4:54 PM EDT | Severe Thunderstorm Warning | CTP | York | 36 min |
| Jun 4, 5:08 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 52 min |
| Jun 4, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 65 min |
| Jun 4, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 60 min |
| Jun 4, 5:28 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon | 62 min |
| Jun 4, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | York | 44 min |
| Jun 4, 6:02 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh | 43 min |
| Jun 4, 6:09 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 51 min |
| Jun 4, 6:21 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 69 min |
| Jun 4, 6:23 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 52 min |
| Jun 4, 6:53 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 52 min |
| Jun 4, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Jun 4, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 67 min |
| Jun 4, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 39 min |
| Jun 7, 4:26 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 64 min |
| Jun 7, 5:59 PM EDT | Severe Thunderstorm Warning | CTP | Montour | 16 min |
| Jun 7, 6:21 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Union | 39 min |
| Jun 7, 6:25 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 65 min |
| Jun 7, 6:37 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 68 min |
| Jun 7, 7:30 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 30 min |
| Jun 7, 7:57 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 63 min |
| Jun 8, 3:19 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 56 min |
| Jun 8, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 45 min |
| Jun 8, 4:16 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 44 min |
| Jun 8, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 45 min |
| Jun 8, 4:52 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 38 min |
| Jun 8, 4:55 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 65 min |
| Jun 8, 5:00 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Westmoreland | 60 min |
| Jun 8, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Jun 8, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 17 min |
| Jun 8, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 60 min |
| Jun 8, 6:26 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 64 min |
| Jun 8, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 59 min |
| Jun 10, 9:03 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 57 min |
| Jun 10, 9:49 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cambria | 56 min |
| Jun 11, 3:29 AM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 61 min |
| Jun 11, 4:30 AM EDT | Severe Thunderstorm Warning | CTP | Elk | 45 min |
| Jun 11, 2:30 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 60 min |
| Jun 11, 2:35 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 40 min |
| Jun 11, 2:39 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 66 min |
| Jun 11, 2:47 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 58 min |
| Jun 11, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 60 min |
| Jun 11, 2:57 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 63 min |
| Jun 11, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 65 min |
| Jun 11, 3:12 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 63 min |
| Jun 11, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 61 min |
| Jun 11, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 68 min |
| Jun 11, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 68 min |
| Jun 11, 3:43 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 62 min |
| Jun 11, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 63 min |
| Jun 11, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 45 min |
| Jun 11, 4:46 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 59 min |
| Jun 11, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 83 min |
| Jun 11, 5:10 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 50 min |
| Jun 11, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 60 min |
| Jun 11, 5:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 63 min |
| Jun 11, 5:42 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jun 11, 5:59 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Jun 11, 6:36 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 69 min |
| Jun 11, 7:07 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 68 min |
| Jun 11, 9:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 60 min |
| Jun 11, 10:10 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland | 65 min |
| Jun 12, 1:56 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 64 min |
| Jun 12, 2:47 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 33 min |
| Jun 12, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Jun 12, 4:13 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 62 min |
| Jun 12, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 45 min |
| Jun 12, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 66 min |
| Jun 12, 4:55 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 65 min |
| Jun 12, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 34 min |
| Jun 12, 5:21 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 69 min |
| Jun 12, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 66 min |
| Jun 12, 6:23 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 67 min |
| Jun 12, 6:38 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 37 min |
| Jun 13, 9:34 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 56 min |
| Jun 13, 9:41 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 49 min |
| Jun 14, 12:56 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 64 min |
| Jun 14, 1:29 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 61 min |
| Jun 14, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 64 min |
| Jun 14, 2:49 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 26 min |
| Jun 14, 3:31 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 59 min |
| Jun 14, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 61 min |
| Jun 14, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 62 min |
| Jun 14, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 55 min |
| Jun 14, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 60 min |
| Jun 14, 5:09 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 66 min |
| Jun 14, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 60 min |
| Jun 14, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 55 min |
| Jun 14, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 67 min |
| Jun 14, 6:19 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 56 min |
| Jun 14, 6:35 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 55 min |
| Jun 14, 7:07 PM EDT | Severe Thunderstorm Warning | CTP | York | 68 min |
| Jun 14, 8:28 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 62 min |
| Jun 14, 9:55 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 65 min |
| Jun 17, 12:53 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 27 min |
| Jun 17, 1:55 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 50 min |
| Jun 17, 3:51 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 69 min |
| Jun 17, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Jun 17, 4:54 PM EDT | Severe Thunderstorm Warning | CTP | York | 66 min |
| Jun 17, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 55 min |
| Jun 18, 3:16 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 29 min |
| Jun 18, 3:23 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Westmoreland | 52 min |
| Jun 18, 3:58 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 62 min |
| Jun 18, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 65 min |
| Jun 18, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 2 hr |
| Jun 18, 6:32 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 58 min |
| Jun 18, 6:36 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 69 min |
| Jun 19, 7:05 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 40 min |
| Jun 19, 7:23 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 67 min |
| Jun 19, 8:02 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 58 min |
| Jun 19, 8:03 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 57 min |
| Jun 19, 9:58 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 62 min |
| Jun 20, 3:30 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 60 min |
| Jun 20, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 59 min |
| Jun 20, 7:38 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Perry | 67 min |
| Jun 20, 8:15 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 60 min |
| Jun 20, 8:26 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 64 min |
| Jun 22, 11:52 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 53 min |
| Jun 22, 12:16 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 59 min |
| Jun 22, 1:16 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 59 min |
| Jun 22, 1:27 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 63 min |
| Jun 22, 1:54 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 81 min |
| Jun 22, 2:03 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 57 min |
| Jun 22, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 56 min |
| Jun 22, 2:18 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 57 min |
| Jun 22, 2:27 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 63 min |
| Jun 22, 2:55 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 65 min |
| Jun 22, 3:07 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wyoming | 53 min |
| Jun 22, 3:20 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 55 min |
| Jun 22, 3:31 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 59 min |
| Jun 22, 3:33 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 57 min |
| Jun 22, 3:35 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 45 min |
| Jun 22, 4:24 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 51 min |
| Jun 22, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 50 min |
| Jun 22, 5:26 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 34 min |
| Jun 22, 6:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 30 min |
| Jun 24, 7:05 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 115 min |
| Jun 24, 7:46 AM EDT | Severe Thunderstorm Warning | PBZ | Venango | 2 hr |
| Jun 24, 7:59 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 2 hr |
| Jun 24, 8:16 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 2 hr |
| Jun 24, 8:25 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 2 hr |
| Jun 24, 9:54 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 36 min |
| Jun 24, 10:06 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 54 min |
| Jun 24, 12:12 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 63 min |
| Jun 24, 12:12 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 63 min |
| Jun 24, 12:27 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 93 min |
| Jun 24, 12:36 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 69 min |
| Jun 24, 12:51 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 69 min |
| Jun 24, 1:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 84 min |
| Jun 24, 1:56 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Westmoreland | 2 hr |
| Jun 24, 1:56 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 2 hr |
| Jun 24, 2:23 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 2 hr |
| Jun 24, 2:32 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 58 min |
| Jun 24, 2:44 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 2 hr |
| Jun 24, 2:44 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 2 hr |
| Jun 24, 3:05 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 70 min |
| Jun 24, 3:09 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 111 min |
| Jun 24, 3:50 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 70 min |
| Jun 24, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 61 min |
| Jun 24, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Fulton, Huntingdon | 60 min |
| Jun 24, 5:08 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 67 min |
| Jun 24, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland | 63 min |
| Jun 24, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | York | 66 min |
| Jun 24, 6:46 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 59 min |
| Jun 30, 4:38 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 52 min |
| Jun 30, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 45 min |
| Jun 30, 7:11 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 64 min |
| Jul 2, 1:50 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 40 min |
| Jul 2, 2:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler, Washington | 59 min |
| Jul 2, 2:51 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 69 min |
| Jul 2, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 66 min |
| Jul 2, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Westmoreland | 55 min |
| Jul 2, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 68 min |
| Jul 2, 3:29 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 61 min |
| Jul 2, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 65 min |
| Jul 2, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 65 min |
| Jul 2, 4:00 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 60 min |
| Jul 2, 4:13 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 62 min |
| Jul 2, 4:29 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 61 min |
| Jul 2, 4:36 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 54 min |
| Jul 2, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 76 min |
| Jul 2, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Union | 60 min |
| Jul 2, 5:08 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 67 min |
| Jul 2, 5:24 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton, Huntingdon | 66 min |
| Jul 2, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 84 min |
| Jul 2, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Potter | 57 min |
| Jul 2, 9:12 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 63 min |
| Jul 3, 1:11 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 64 min |
| Jul 3, 1:46 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 59 min |
| Jul 3, 2:01 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 59 min |
| Jul 3, 2:11 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 79 min |
| Jul 3, 2:41 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 49 min |
| Jul 3, 2:52 AM EDT | Severe Thunderstorm Warning | CTP | Cambria | 53 min |
| Jul 3, 2:57 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 33 min |
| Jul 3, 3:03 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 57 min |
| Jul 3, 3:05 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 25 min |
| Jul 3, 3:32 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 min |
| Jul 3, 3:45 AM EDT | Severe Thunderstorm Warning | CTP | Blair | 60 min |
| Jul 3, 4:16 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 59 min |
| Jul 3, 4:45 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Juniata, Perry | 60 min |
| Jul 3, 5:49 AM EDT | Severe Thunderstorm Warning | CTP | York | 56 min |
| Jul 4, 12:51 AM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 54 min |
| Jul 7, 11:13 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 62 min |
| Jul 8, 12:45 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 60 min |
| Jul 8, 3:45 AM EDT | Severe Thunderstorm Warning | CTP | Tioga | 45 min |
| Jul 8, 1:37 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 68 min |
| Jul 8, 2:30 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 60 min |
| Jul 8, 2:37 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 83 min |
| Jul 8, 2:42 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 48 min |
| Jul 8, 2:44 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 31 min |
| Jul 8, 3:06 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 69 min |
| Jul 8, 3:08 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland | 52 min |
| Jul 8, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 60 min |
| Jul 8, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 45 min |
| Jul 8, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 48 min |
| Jul 8, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 69 min |
| Jul 13, 10:42 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 63 min |
| Jul 14, 2:54 PM EDT | Severe Thunderstorm Warning | CTP | Union | 66 min |
| Jul 14, 3:24 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 66 min |
| Jul 14, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 46 min |
| Jul 14, 10:28 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 62 min |
| Jul 16, 2:29 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 46 min |
| Jul 16, 3:10 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 65 min |
| Jul 16, 3:17 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 58 min |
| Jul 16, 3:20 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 25 min |
| Jul 16, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 47 min |
| Jul 16, 4:26 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 64 min |
| Jul 16, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 60 min |
| Jul 16, 5:34 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 56 min |
| Jul 16, 5:48 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 42 min |
| Jul 16, 6:05 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 55 min |
| Jul 16, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence | 67 min |
| Jul 16, 7:36 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 39 min |
| Jul 16, 8:21 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 69 min |
| Jul 16, 8:23 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 52 min |
| Jul 16, 9:25 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 50 min |
| Jul 16, 10:35 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 55 min |
| Jul 16, 10:46 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 44 min |
| Jul 16, 11:12 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 63 min |
| Jul 17, 12:35 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 25 min |
| Jul 17, 2:45 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 60 min |
| Jul 17, 3:30 AM EDT | Severe Thunderstorm Warning | CTP | Potter | 60 min |
| Jul 18, 11:23 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 52 min |
| Jul 19, 3:41 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 49 min |
| Jul 19, 5:08 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson, Venango | 82 min |
| Jul 19, 5:09 AM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 66 min |
| Jul 19, 5:09 AM EDT | Severe Thunderstorm Warning | CTP | Centre | 66 min |
| Jul 19, 5:26 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 64 min |
| Jul 19, 6:26 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 64 min |
| Jul 19, 11:06 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 54 min |
| Jul 19, 11:09 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 51 min |
| Jul 19, 1:35 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 55 min |
| Jul 19, 1:39 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 51 min |
| Jul 19, 1:42 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 63 min |
| Jul 19, 2:51 PM EDT | Severe Thunderstorm Warning | CTP | York | 54 min |
| Jul 26, 6:16 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 29 min |
| Jul 29, 6:21 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 54 min |
| Jul 30, 4:09 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 66 min |
| Jul 30, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 61 min |
| Jul 30, 4:52 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 68 min |
| Jul 30, 5:16 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 44 min |
| Jul 30, 5:23 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 67 min |
| Jul 30, 8:55 PM EDT | Severe Thunderstorm Warning | CTP | York | 80 min |
| Aug 8, 12:11 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 49 min |
| Aug 8, 12:20 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 55 min |
| Aug 8, 12:25 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 65 min |
| Aug 8, 12:54 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 66 min |
| Aug 8, 1:34 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 56 min |
| Aug 8, 1:39 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 51 min |
| Aug 8, 1:57 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 63 min |
| Aug 8, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 58 min |
| Aug 8, 2:09 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Clarion | 66 min |
| Aug 8, 2:09 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 66 min |
| Aug 8, 2:45 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 60 min |
| Aug 8, 2:53 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 67 min |
| Aug 8, 3:07 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 68 min |
| Aug 8, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 69 min |
| Aug 8, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 59 min |
| Aug 8, 4:22 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 68 min |
| Aug 8, 4:39 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 21 min |
| Aug 8, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 44 min |
| Aug 8, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 59 min |
| Aug 8, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 12 min |
| Aug 8, 5:21 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 69 min |
| Aug 8, 5:58 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 62 min |
| Aug 14, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 62 min |
| Aug 14, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 86 min |
| Aug 14, 5:04 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 116 min |
| Aug 14, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 68 min |
| Aug 14, 5:44 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 2 hr |
| Aug 14, 8:35 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 25 min |
| Aug 15, 7:06 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 69 min |
| Aug 15, 1:35 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 55 min |
| Aug 15, 2:25 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 65 min |
| Aug 15, 3:32 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 58 min |
| Aug 15, 3:32 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 73 min |
| Aug 15, 4:21 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 39 min |
| Aug 15, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 56 min |
| Aug 15, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 62 min |
| Aug 15, 4:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 94 min |
| Aug 15, 5:00 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 60 min |
| Aug 15, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 64 min |
| Aug 15, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 64 min |
| Aug 15, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 77 min |
| Aug 15, 5:43 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 47 min |
| Aug 15, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 62 min |
| Aug 15, 6:16 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 119 min |
| Aug 15, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 75 min |
| Aug 15, 6:30 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 60 min |
| Aug 15, 6:43 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 62 min |
| Aug 15, 6:55 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 65 min |
| Aug 15, 7:03 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 42 min |
| Aug 15, 7:19 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson, Westmoreland | 71 min |
| Aug 15, 7:19 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 71 min |
| Aug 15, 7:44 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 61 min |
| Aug 15, 8:25 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 65 min |
| Aug 15, 8:25 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 65 min |
| Aug 15, 8:28 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Huntingdon | 62 min |
| Aug 15, 8:54 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 66 min |
| Aug 15, 9:42 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 33 min |
| Aug 15, 10:05 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 55 min |
| Aug 16, 5:04 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 56 min |
| Aug 20, 4:37 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 68 min |
| Aug 20, 7:29 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 61 min |
| Aug 20, 8:08 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 67 min |
| Aug 20, 8:20 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 55 min |
| Aug 20, 9:11 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 64 min |
| Aug 20, 9:26 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 79 min |
| Aug 21, 2:41 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 64 min |
| Aug 23, 2:35 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 55 min |
| Aug 23, 2:35 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 55 min |
| Aug 23, 3:29 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 61 min |
| Aug 23, 3:39 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 66 min |
| Aug 23, 3:44 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 31 min |
| Aug 23, 3:57 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 48 min |
| Aug 23, 4:15 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 30 min |
| Aug 23, 6:09 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 51 min |
| Aug 23, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 64 min |
| Aug 23, 11:12 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 33 min |
| Aug 23, 11:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 60 min |
| Aug 23, 11:19 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 56 min |
| Aug 24, 1:03 AM EDT | Severe Thunderstorm Warning | PHI | Chester | 57 min |
| Aug 27, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 57 min |
| Aug 27, 8:17 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 58 min |
| Aug 28, 4:46 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 59 min |
| Aug 28, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | York | 55 min |
| Sep 8, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Philadelphia | 44 min |
| Sep 12, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 64 min |
| Sep 12, 2:48 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 57 min |
| Sep 12, 2:51 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 69 min |
| Sep 12, 3:02 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 58 min |
| Sep 12, 3:10 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 65 min |
| Sep 12, 3:31 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 29 min |
| Sep 12, 3:32 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 58 min |
| Sep 12, 3:41 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 64 min |
| Sep 12, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 59 min |
| Sep 12, 4:57 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 63 min |
| Sep 12, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 42 min |
| Sep 12, 7:53 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 67 min |
| Sep 13, 5:27 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 63 min |
| Sep 13, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Sep 13, 6:15 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 30 min |
| Sep 28, 5:24 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 51 min |
| Sep 28, 6:02 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, York | 58 min |
| Sep 28, 6:50 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Oct 18, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 45 min |
| Oct 18, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Huntingdon | 63 min |
| Oct 18, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 63 min |
| Oct 18, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 69 min |
| Oct 18, 6:56 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 64 min |
| Oct 18, 7:05 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 55 min |
| Oct 18, 7:10 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 65 min |
| Oct 18, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 60 min |
| Oct 18, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 67 min |
| Oct 18, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Snyder, Union | 63 min |
| Nov 7, 8:00 PM EST | Severe Thunderstorm Warning | CLE | Crawford, Erie | 60 min |
| Nov 8, 9:20 AM EST | Severe Thunderstorm Warning | CTP | Centre, Mifflin | 55 min |
| Nov 8, 9:20 AM EST | Severe Thunderstorm Warning | CTP | Juniata | 55 min |
| Nov 8, 9:58 AM EST | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 62 min |
| Nov 8, 10:06 AM EST | Severe Thunderstorm Warning | CTP | Tioga | 69 min |
| Nov 8, 10:29 AM EST | Severe Thunderstorm Warning | CTP | Snyder, Union | 46 min |
| Nov 8, 10:29 AM EST | Severe Thunderstorm Warning | CTP | Perry | 46 min |
| Nov 8, 10:45 AM EST | Severe Thunderstorm Warning | CTP | Dauphin, Montour, Northumberland | 60 min |
| Nov 8, 10:56 AM EST | Severe Thunderstorm Warning | BGM | Bradford | 64 min |
| Nov 8, 11:09 AM EST | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 66 min |
| Nov 8, 11:24 AM EST | Severe Thunderstorm Warning | BGM | Susquehanna, Wyoming | 66 min |
| Nov 8, 11:30 AM EST | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 60 min |
| Nov 8, 2:19 PM EST | Severe Thunderstorm Warning | CTP | Lancaster, York | 56 min |
| Nov 8, 3:03 PM EST | Severe Thunderstorm Warning | PHI | Berks | 62 min |
| Nov 8, 3:24 PM EST | Severe Thunderstorm Warning | PHI | Lehigh | 36 min |
| Nov 8, 3:46 PM EST | Severe Thunderstorm Warning | CTP | Lancaster | 59 min |
| Nov 8, 4:01 PM EST | Severe Thunderstorm Warning | PHI | Berks, Chester | 64 min |
| Nov 8, 4:37 PM EST | Severe Thunderstorm Warning | PHI | Lehigh, Montgomery | 38 min |
| Nov 8, 4:40 PM EST | Severe Thunderstorm Warning | PHI | Lehigh | 35 min |
| Nov 8, 5:10 PM EST | Severe Thunderstorm Warning | PHI | Northampton | 50 min |
| Dec 1, 1:16 PM EST | Severe Thunderstorm Warning | CLE | Crawford, Erie | 59 min |
| Dec 1, 7:04 PM EST | Severe Thunderstorm Warning | CTP | Bedford | 41 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County26
- Bedford County20
- York County19
- Fayette County18
- Washington County17
- Allegheny County17
- Mercer County17
- Butler County17
- Armstrong County16
- Crawford County16
- Franklin County16
- Cambria County15
- Indiana County15
- Centre County15
- Cumberland County15
- Somerset County14
- Huntingdon County14
- Adams County14
- Clarion County12
- Potter County12
- Bucks County12
- Clearfield County11
- Lycoming County11
- Beaver County11
- Fulton County11
- Lancaster County11
- Elk County10
- Venango County10
- Jefferson County10
- Greene County10
- Columbia County10
- Blair County10
- Perry County10
- McKean County9
- Snyder County9
- Lawrence County9
- Warren County9
- Dauphin County9
- Chester County9
- Clinton County8
27 more counties
- Erie County8
- Northumberland County8
- Mifflin County8
- Juniata County8
- Schuylkill County8
- Luzerne County8
- Union County7
- Tioga County7
- Montgomery County7
- Susquehanna County7
- Berks County7
- Wayne County6
- Monroe County6
- Bradford County6
- Pike County5
- Forest County5
- Montour County5
- Lehigh County5
- Cameron County4
- Lebanon County4
- Lackawanna County4
- Carbon County4
- Northampton County4
- Philadelphia County3
- Sullivan County2
- Wyoming County2
- Delaware County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19951997
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.