Weather alerts in Pennsylvania, 2002
588 weather alerts in 2002, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in 2002. Tap one for its archive.
- Alerts
- 588
- Warnings
- 551
- Watches
- 37
- Advisories
- 0
- Busiest month
- May153 alerts
- Busiest day
- May 31, 200248 alerts
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 |
|---|---|---|---|---|
| Feb 20, 6:15 PM EST | Severe Thunderstorm Warning | PBZ | Butler | 45 min |
| Feb 26, 3:18 PM EST | Severe Thunderstorm Warning | CTP | Cameron, Centre | 57 min |
| Mar 9, 5:15 PM EST | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 20 more | 5 hr |
| Mar 9, 6:24 PM EST | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Mercer, Washington | 66 min |
| Mar 9, 6:44 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Butler, Venango | 61 min |
| Mar 9, 7:07 PM EST | Severe Thunderstorm Warning | PBZ | Greene | 53 min |
| Mar 9, 7:14 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Fayette, Forest, Westmoreland | 61 min |
| Mar 9, 8:30 PM EST | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Bradford, Carbon and 32 more | 5 hr |
| Mar 9, 9:44 PM EST | Severe Thunderstorm Warning | BGM | Bradford | 61 min |
| Mar 9, 9:47 PM EST | Severe Thunderstorm Warning | BGM | Bradford | 58 min |
| Mar 9, 10:33 PM EST | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Snyder, Union | 42 min |
| Mar 9, 10:39 PM EST | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Susquehanna, Wyoming | 51 min |
| Mar 9, 10:44 PM EST | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 31 min |
| Mar 9, 10:45 PM EST | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 60 min |
| Mar 9, 11:17 PM EST | Severe Thunderstorm Warning | CTP | Lancaster, York | 73 min |
| Mar 9, 11:23 PM EST | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 52 min |
| Mar 9, 11:30 PM EST | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 10 more | 4 hr |
| Mar 9, 11:39 PM EST | Severe Thunderstorm Warning | PHI | Berks | 51 min |
| Mar 9, 11:43 PM EST | Severe Thunderstorm Warning | PHI | Carbon | 32 min |
| Mar 10, 12:05 AM EST | Severe Thunderstorm Warning | PHI | Lehigh, Monroe, Northampton | 55 min |
| Mar 10, 12:07 AM EST | Severe Thunderstorm Warning | BGM | Luzerne, Pike, Wayne | 53 min |
| Mar 10, 12:15 AM EST | Severe Thunderstorm Warning | BGM | Pike | 60 min |
| Mar 10, 2:12 AM EST | Severe Thunderstorm Warning | PHI | Bucks | 18 min |
| Mar 19, 10:30 AM EST | Flash Flood Warning | CTP | Cameron, Clearfield, Elk, McKean, Warren | 15 min |
| Mar 19, 10:40 AM EST | Flash Flood Warning | CTP | Cambria, Somerset | 15 min |
| Mar 20, 10:30 AM EST | Flash Flood Warning | CTP | Bedford, Blair, Centre, Clinton, Fulton, Huntingdon and 2 more | 15 min |
| Mar 20, 10:40 AM EST | Flash Flood Warning | CTP | Lycoming, Montour, Northumberland, Potter, Snyder, Sullivan and 2 more | 15 min |
| Mar 20, 10:50 AM EST | Flash Flood Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 10 min |
| Mar 21, 10:30 AM EST | Flash Flood Warning | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Northampton | 15 min |
| Mar 21, 10:39 AM EST | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 21 min |
| Mar 26, 6:38 PM EST | Flash Flood Warning | BGM | Bradford | 4 hr |
| Mar 26, 7:15 PM EST | Flash Flood Warning | BGM | Susquehanna | 4 hr |
| Apr 14, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 64 min |
| Apr 14, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 38 min |
| Apr 15, 5:12 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 63 min |
| Apr 15, 5:42 PM EDT | Tornado Warning | CLE | Crawford | 48 min |
| Apr 15, 6:04 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 41 min |
| Apr 15, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 60 min |
| Apr 15, 6:15 PM EDT | Tornado Watch | SPC | Armstrong, Beaver, Butler, Clarion, Crawford, Erie and 6 more | 4 hr |
| Apr 15, 6:24 PM EDT | Tornado Warning | PBZ | Mercer | 36 min |
| Apr 15, 6:30 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 30 min |
| Apr 15, 6:32 PM EDT | Flash Flood Warning | CLE | Crawford | 118 min |
| Apr 15, 6:44 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 61 min |
| Apr 15, 6:59 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 46 min |
| Apr 15, 7:12 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 48 min |
| Apr 15, 7:14 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 46 min |
| Apr 15, 7:18 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 27 min |
| Apr 15, 7:23 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Apr 15, 7:35 PM EDT | Tornado Warning | PBZ | Butler | 25 min |
| Apr 15, 7:46 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 44 min |
| Apr 15, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 19 min |
| Apr 15, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 32 min |
| Apr 15, 7:59 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 61 min |
| Apr 15, 8:16 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Apr 15, 8:20 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 40 min |
| Apr 15, 8:25 PM EDT | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Apr 15, 8:28 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 47 min |
| Apr 15, 8:45 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 45 min |
| Apr 15, 9:35 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 55 min |
| Apr 15, 9:50 PM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Apr 15, 10:36 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 69 min |
| Apr 18, 8:58 PM EDT | Flash Flood Warning | CTP | Bedford | 107 min |
| Apr 18, 9:09 PM EDT | Flash Flood Warning | CTP | Bedford | 96 min |
| Apr 19, 12:00 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Luzerne, Pike, Wayne | 5 hr |
| Apr 19, 12:41 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 64 min |
| Apr 19, 2:48 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 57 min |
| Apr 19, 2:52 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 53 min |
| Apr 19, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 40 min |
| Apr 19, 4:58 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 62 min |
| Apr 19, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 64 min |
| Apr 28, 11:45 AM EDT | Tornado Watch | SPC | Beaver, Butler, Crawford, Forest, Lawrence, Mercer and 2 more | 5 hr |
| Apr 28, 1:02 PM EDT | Tornado Warning | CLE | Erie | 43 min |
| Apr 28, 1:41 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 64 min |
| Apr 28, 1:58 PM EDT | Tornado Warning | CLE | Erie | 32 min |
| Apr 28, 2:18 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 12 min |
| Apr 28, 2:20 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 55 min |
| Apr 28, 2:22 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 53 min |
| Apr 28, 2:30 PM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Bedford, Blair, Cambria, Cameron and 16 more | 6 hr |
| Apr 28, 2:38 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 67 min |
| Apr 28, 2:43 PM EDT | Tornado Warning | PBZ | Mercer | 47 min |
| Apr 28, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 60 min |
| Apr 28, 2:54 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 66 min |
| Apr 28, 2:57 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 63 min |
| Apr 28, 2:58 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 62 min |
| Apr 28, 2:59 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 61 min |
| Apr 28, 3:20 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 55 min |
| Apr 28, 3:40 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Westmoreland | 65 min |
| Apr 28, 3:51 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 54 min |
| Apr 28, 4:00 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 60 min |
| Apr 28, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 55 min |
| Apr 28, 4:17 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 58 min |
| Apr 28, 4:26 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 64 min |
| Apr 28, 4:27 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 63 min |
| Apr 28, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 65 min |
| Apr 28, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bradford, Bucks, Carbon, Chester and 30 more | 5 hr |
| Apr 28, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 55 min |
| Apr 28, 5:09 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 66 min |
| Apr 28, 5:12 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 63 min |
| Apr 28, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Snyder, Union | 59 min |
| Apr 28, 5:24 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 36 min |
| Apr 28, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon | 65 min |
| Apr 28, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 64 min |
| Apr 28, 6:19 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 26 min |
| Apr 28, 6:20 PM EDT | Tornado Warning | CTP | York | 25 min |
| Apr 28, 6:26 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 64 min |
| Apr 28, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 35 min |
| Apr 28, 7:13 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 32 min |
| Apr 28, 7:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 45 min |
| May 2, 4:30 AM EDT | Severe Thunderstorm Watch | SPC | Fayette, Greene, Washington | 4 hr |
| May 2, 5:43 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 62 min |
| May 2, 2:30 PM EDT | Tornado Watch | SPC | Adams, Bedford, Berks, Blair, Cambria, Cumberland and 16 more | 7 hr |
| May 2, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Union | 60 min |
| May 2, 3:30 PM EDT | Tornado Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 6 hr |
| May 2, 3:44 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 61 min |
| May 2, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | York | 60 min |
| May 2, 4:41 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 64 min |
| May 2, 4:56 PM EDT | Tornado Warning | CTP | York | 19 min |
| May 2, 4:58 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 47 min |
| May 2, 7:33 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 42 min |
| May 9, 1:05 AM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| May 9, 1:56 AM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| May 9, 2:05 AM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| May 9, 7:15 AM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| May 9, 11:15 AM EDT | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 5 hr |
| May 9, 1:29 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 61 min |
| May 9, 2:20 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 55 min |
| May 9, 2:36 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 54 min |
| May 9, 3:32 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 43 min |
| May 9, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 63 min |
| May 12, 10:45 AM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Butler, Cambria and 11 more | 5 hr |
| May 12, 12:52 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 68 min |
| May 12, 1:09 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 66 min |
| May 12, 1:13 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 47 min |
| May 12, 1:35 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 70 min |
| May 12, 1:51 PM EDT | Flash Flood Warning | PBZ | Clarion, Venango | 3 hr |
| May 12, 1:58 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 62 min |
| May 12, 2:01 PM EDT | Flash Flood Warning | CTP | Clearfield | 6 hr |
| May 12, 2:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 53 min |
| May 12, 2:09 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| May 12, 2:09 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 66 min |
| May 12, 2:13 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 62 min |
| May 12, 2:43 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 62 min |
| May 12, 3:10 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 80 min |
| May 12, 3:19 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 41 min |
| May 12, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Carbon, Chester and 19 more | 6 hr |
| May 12, 3:41 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 49 min |
| May 12, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 41 min |
| May 12, 4:36 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 39 min |
| May 12, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 60 min |
| May 12, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 30 min |
| May 12, 5:15 PM EDT | Severe Thunderstorm Watch | SPC | Chester, Delaware, Montgomery, Philadelphia | 5 hr |
| May 12, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 56 min |
| May 12, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 35 min |
| May 12, 5:41 PM EDT | Severe Thunderstorm Warning | CTP | York | 64 min |
| May 12, 5:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 33 min |
| May 12, 6:19 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 26 min |
| May 13, 1:07 AM EDT | Flash Flood Warning | PBZ | Mercer | 4 hr |
| May 13, 3:34 AM EDT | Flash Flood Warning | PBZ | Jefferson | 4 hr |
| May 13, 11:50 AM EDT | Flash Flood Warning | CTP | Lycoming, Sullivan | 4 hr |
| May 13, 1:30 PM EDT | Tornado Watch | SPC | Adams, Chester, Delaware, Lancaster, Montgomery, Philadelphia and 1 more | 6 hr |
| May 13, 2:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 42 min |
| May 13, 2:41 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 34 min |
| May 13, 3:02 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 28 min |
| May 13, 3:08 PM EDT | Tornado Warning | PHI | Berks | 37 min |
| May 13, 3:08 PM EDT | Tornado Warning | PHI | Berks | 112 min |
| May 13, 3:21 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 24 min |
| May 13, 3:25 PM EDT | Flash Flood Warning | PHI | Berks | 95 min |
| May 13, 4:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 24 min |
| May 13, 4:40 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 65 min |
| May 13, 4:57 PM EDT | Flash Flood Warning | PHI | Berks | 2 hr |
| May 13, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 42 min |
| May 13, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 39 min |
| May 13, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 60 min |
| May 13, 7:49 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 56 min |
| May 13, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 52 min |
| May 13, 8:41 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 64 min |
| May 13, 9:14 PM EDT | Flash Flood Warning | PHI | Berks | 2 hr |
| May 14, 4:53 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 37 min |
| May 14, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 48 min |
| May 14, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 34 min |
| May 14, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 43 min |
| May 14, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 51 min |
| May 14, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 27 min |
| May 14, 5:45 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 60 min |
| May 14, 5:50 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 55 min |
| May 14, 6:05 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 55 min |
| May 14, 6:15 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 30 min |
| May 14, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 30 min |
| May 14, 6:38 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 52 min |
| May 14, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 22 min |
| May 25, 9:01 PM EDT | Tornado Warning | CLE | Crawford | 44 min |
| May 25, 9:17 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 43 min |
| May 25, 10:12 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 33 min |
| May 26, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Chester, Cumberland, Dauphin, Franklin and 11 more | 6 hr |
| May 26, 2:20 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 40 min |
| May 26, 3:56 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 49 min |
| May 26, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | York | 75 min |
| May 26, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 55 min |
| May 26, 7:37 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 53 min |
| May 26, 9:20 PM EDT | Severe Thunderstorm Warning | CTP | Juniata | 55 min |
| May 27, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 46 min |
| May 27, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 54 min |
| May 28, 12:15 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 45 min |
| May 28, 2:20 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne, Pike, Wayne | 3 hr |
| May 28, 3:12 PM EDT | Flash Flood Warning | PHI | Monroe | 3 hr |
| May 28, 4:33 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| May 28, 4:40 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| May 28, 5:06 PM EDT | Flash Flood Warning | BGM | Luzerne, Pike | 3 hr |
| May 28, 5:20 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 6 hr |
| May 30, 2:07 PM EDT | Flash Flood Warning | CTP | Clinton | 3 hr |
| May 30, 3:32 PM EDT | Flash Flood Warning | CTP | Lycoming | 3 hr |
| May 30, 3:34 PM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
| May 30, 4:08 PM EDT | Flash Flood Warning | CTP | Somerset | 3 hr |
| May 31, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | Armstrong, Bradford, Butler, Cameron, Carbon, Centre and 27 more | 5 hr |
| May 31, 3:21 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 54 min |
| May 31, 3:30 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 30 min |
| May 31, 3:39 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 21 min |
| May 31, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 48 min |
| May 31, 4:08 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 37 min |
| May 31, 4:13 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 47 min |
| May 31, 4:15 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 45 min |
| May 31, 4:17 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 58 min |
| May 31, 4:22 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 53 min |
| May 31, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 62 min |
| May 31, 4:31 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 59 min |
| May 31, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 29 min |
| May 31, 4:35 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 40 min |
| May 31, 4:37 PM EDT | Tornado Warning | BGM | Wayne | 23 min |
| May 31, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 46 min |
| May 31, 5:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Fayette, Greene, Indiana and 3 more | 6 hr |
| May 31, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 26 min |
| May 31, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 45 min |
| May 31, 5:15 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Bucks, Cambria and 26 more | 6 hr |
| May 31, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 57 min |
| May 31, 5:18 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 27 min |
| May 31, 5:28 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 62 min |
| May 31, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 45 min |
| May 31, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 27 min |
| May 31, 5:33 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 57 min |
| May 31, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 39 min |
| May 31, 5:40 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Huntingdon | 95 min |
| May 31, 5:43 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 47 min |
| May 31, 5:44 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 61 min |
| May 31, 6:01 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 59 min |
| May 31, 6:07 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne | 38 min |
| May 31, 6:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 53 min |
| May 31, 6:09 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 51 min |
| May 31, 6:18 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 57 min |
| May 31, 6:21 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 39 min |
| May 31, 6:32 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| May 31, 6:51 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 54 min |
| May 31, 6:57 PM EDT | Tornado Warning | PBZ | Allegheny | 48 min |
| May 31, 6:59 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Perry | 46 min |
| May 31, 7:00 PM EDT | Tornado Warning | PBZ | Westmoreland | 45 min |
| May 31, 7:18 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 27 min |
| May 31, 7:19 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 41 min |
| May 31, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 62 min |
| May 31, 7:30 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 45 min |
| May 31, 7:44 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 31 min |
| May 31, 7:47 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 43 min |
| May 31, 7:47 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 58 min |
| May 31, 8:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 57 min |
| Jun 4, 3:27 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 63 min |
| Jun 4, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 56 min |
| Jun 4, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 62 min |
| Jun 4, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 59 min |
| Jun 4, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 55 min |
| Jun 4, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 63 min |
| Jun 4, 5:34 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 56 min |
| Jun 4, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 61 min |
| Jun 4, 5:45 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Bedford, Blair, Butler, Cambria and 20 more | 5 hr |
| Jun 4, 6:22 PM EDT | Tornado Warning | CTP | Clearfield | 23 min |
| Jun 4, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 46 min |
| Jun 4, 7:04 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 56 min |
| Jun 4, 7:50 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 55 min |
| Jun 4, 8:02 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 28 min |
| Jun 4, 11:25 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 65 min |
| Jun 5, 1:14 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 61 min |
| Jun 5, 2:24 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 21 min |
| Jun 5, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 17 more | 6 hr |
| Jun 5, 4:12 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 63 min |
| Jun 5, 4:14 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 61 min |
| Jun 5, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 60 min |
| Jun 5, 4:28 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 62 min |
| Jun 5, 4:30 PM EDT | Severe Thunderstorm Watch | SPC | Bedford, Blair, Bradford, Cambria, Centre, Clinton and 21 more | 6 hr |
| Jun 5, 4:37 PM EDT | Tornado Warning | CLE | Crawford | 53 min |
| Jun 5, 4:38 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin | 52 min |
| Jun 5, 4:41 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
| Jun 5, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 63 min |
| Jun 5, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 55 min |
| Jun 5, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 55 min |
| Jun 5, 5:11 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 64 min |
| Jun 5, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 57 min |
| Jun 5, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 53 min |
| Jun 5, 5:26 PM EDT | Severe Thunderstorm Warning | CTP | Union | 49 min |
| Jun 5, 5:29 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 46 min |
| Jun 5, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 44 min |
| Jun 5, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 59 min |
| Jun 5, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 40 min |
| Jun 5, 5:39 PM EDT | Tornado Warning | CTP | Warren | 51 min |
| Jun 5, 5:52 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 38 min |
| Jun 5, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 60 min |
| Jun 5, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 57 min |
| Jun 5, 6:35 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 40 min |
| Jun 5, 6:46 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 59 min |
| Jun 5, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
| Jun 5, 7:09 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 66 min |
| Jun 5, 7:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 62 min |
| Jun 5, 7:32 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Jun 5, 8:12 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 63 min |
| Jun 5, 8:38 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 37 min |
| Jun 5, 9:21 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 24 min |
| Jun 5, 10:30 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Jun 6, 12:52 PM EDT | Flash Flood Warning | PBZ | Greene | 4 hr |
| Jun 6, 5:21 PM EDT | Severe Thunderstorm Warning | CTP | York | 54 min |
| Jun 6, 5:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Jun 6, 6:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 50 min |
| Jun 6, 7:36 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 39 min |
| Jun 6, 7:47 PM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery | 28 min |
| Jun 6, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 28 min |
| Jun 6, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 34 min |
| Jun 12, 2:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 49 min |
| Jun 12, 2:57 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 48 min |
| Jun 12, 4:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 45 min |
| Jun 13, 12:43 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jun 13, 12:56 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jun 13, 1:19 PM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Jun 13, 1:41 PM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Jun 13, 2:12 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jun 13, 3:37 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jun 14, 5:06 AM EDT | Flash Flood Warning | PBZ | Butler, Lawrence | 114 min |
| Jun 14, 5:13 AM EDT | Flash Flood Warning | PBZ | Butler, Lawrence | 107 min |
| Jun 14, 9:20 AM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Jun 14, 5:49 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 56 min |
| Jun 14, 6:49 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 26 min |
| Jun 14, 7:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 65 min |
| Jun 18, 10:19 PM EDT | Flash Flood Warning | CTP | Sullivan | 3 hr |
| Jun 19, 1:51 AM EDT | Flash Flood Warning | PHI | Berks | 2 hr |
| Jun 19, 2:06 AM EDT | Flash Flood Warning | PHI | Lehigh | 3 hr |
| Jun 19, 2:42 AM EDT | Flash Flood Warning | PHI | Bucks | 2 hr |
| Jun 19, 3:47 AM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Jun 19, 2:14 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 2 hr |
| Jun 19, 6:51 PM EDT | Flash Flood Warning | PHI | Chester | 114 min |
| Jun 23, 5:40 PM EDT | Flash Flood Warning | BGM | Wyoming | 2 hr |
| Jun 23, 7:14 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 61 min |
| Jun 24, 4:32 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 43 min |
| Jun 24, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 22 min |
| Jun 24, 4:58 PM EDT | Severe Thunderstorm Warning | OKX | Bucks | 47 min |
| Jun 24, 5:10 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 50 min |
| Jun 24, 5:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 30 min |
| Jun 24, 5:36 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 24 min |
| Jun 24, 5:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 15 min |
| Jun 24, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 42 min |
| Jun 24, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 23 min |
| Jun 25, 10:34 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 26 min |
| Jun 26, 12:54 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 51 min |
| Jun 26, 1:28 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 62 min |
| Jun 26, 2:06 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 114 min |
| Jun 26, 2:24 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 66 min |
| Jun 26, 2:27 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 63 min |
| Jun 26, 2:45 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Susquehanna | 6 hr |
| Jun 26, 4:03 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 117 min |
| Jun 26, 4:23 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 22 min |
| Jun 26, 6:11 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 49 min |
| Jun 27, 12:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 60 min |
| Jun 27, 1:21 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 39 min |
| Jun 27, 1:40 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 65 min |
| Jun 27, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 63 min |
| Jun 27, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Blair, Bradford, Bucks, Cambria, Cameron and 36 more | 6 hr |
| Jun 27, 2:14 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Jun 27, 2:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 5 more | 6 hr |
| Jun 27, 2:42 PM EDT | Flash Flood Warning | CTP | Clearfield | 3 hr |
| Jun 27, 3:27 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 63 min |
| Jun 27, 3:53 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 67 min |
| Jun 27, 4:05 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 25 min |
| Jun 27, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 54 min |
| Jun 27, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Snyder, Union | 63 min |
| Jun 27, 4:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 54 min |
| Jun 27, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 37 min |
| Jun 27, 5:34 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 56 min |
| Jun 27, 5:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 39 min |
| Jun 27, 5:40 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 65 min |
| Jun 27, 5:45 PM EDT | Severe Thunderstorm Watch | SPC | Delaware, York | 4 hr |
| Jun 27, 6:05 PM EDT | Tornado Warning | PHI | Berks | 55 min |
| Jun 27, 6:26 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 19 min |
| Jun 27, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | York | 62 min |
| Jun 27, 6:30 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Northampton | 60 min |
| Jun 27, 6:55 PM EDT | Flash Flood Warning | PHI | Berks | 3 hr |
| Jun 27, 7:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Montgomery | 47 min |
| Jun 27, 7:59 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 31 min |
| Jul 1, 6:09 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 2, 3:23 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 2, 3:33 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 57 min |
| Jul 2, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 57 min |
| Jul 2, 4:52 PM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Jul 2, 5:21 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 54 min |
| Jul 2, 6:10 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 65 min |
| Jul 4, 12:30 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Susquehanna, Wayne, Wyoming | 6 hr |
| Jul 4, 1:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Jul 4, 3:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 61 min |
| Jul 4, 4:10 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 65 min |
| Jul 4, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 23 min |
| Jul 4, 10:20 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 40 min |
| Jul 18, 5:39 PM EDT | Flash Flood Warning | PBZ | Allegheny | 111 min |
| Jul 19, 1:47 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 min |
| Jul 19, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 60 min |
| Jul 19, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 60 min |
| Jul 19, 4:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 40 min |
| Jul 19, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 55 min |
| Jul 19, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 61 min |
| Jul 19, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 36 min |
| Jul 23, 12:08 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 52 min |
| Jul 23, 12:15 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Bucks, Carbon, Chester and 29 more | 7 hr |
| Jul 23, 12:46 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 59 min |
| Jul 23, 12:52 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 23 min |
| Jul 23, 1:11 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 49 min |
| Jul 23, 1:17 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 58 min |
| Jul 23, 1:30 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 60 min |
| Jul 23, 1:36 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 54 min |
| Jul 23, 1:50 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 55 min |
| Jul 23, 2:00 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 60 min |
| Jul 23, 2:10 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 23, 2:22 PM EDT | Severe Thunderstorm Warning | CTP | Union | 23 min |
| Jul 23, 3:27 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 3 hr |
| Jul 23, 3:27 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 33 min |
| Jul 23, 3:28 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 3 hr |
| Jul 23, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 54 min |
| Jul 23, 3:59 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 61 min |
| Jul 23, 4:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 56 min |
| Jul 23, 4:05 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 55 min |
| Jul 23, 4:24 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 66 min |
| Jul 23, 4:43 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jul 25, 4:52 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 26, 12:50 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 40 min |
| Jul 26, 1:51 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 39 min |
| Jul 26, 2:10 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 2 hr |
| Jul 26, 2:42 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Jul 26, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 61 min |
| Jul 26, 6:43 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 62 min |
| Jul 26, 6:58 PM EDT | Tornado Warning | PBZ | Forest | 47 min |
| Jul 26, 7:04 PM EDT | Tornado Warning | PBZ | Clarion | 26 min |
| Jul 26, 7:29 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 61 min |
| Jul 26, 8:12 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 63 min |
| Jul 26, 10:47 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 28 min |
| Jul 26, 11:19 PM EDT | Flash Flood Warning | PBZ | Jefferson | 116 min |
| Jul 27, 2:35 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 27, 5:42 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 63 min |
| Jul 27, 6:07 PM EDT | Tornado Warning | CLE | Crawford | 53 min |
| Jul 27, 6:22 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 53 min |
| Jul 28, 1:11 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 64 min |
| Jul 28, 9:54 AM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 51 min |
| Jul 28, 12:59 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 61 min |
| Jul 28, 1:52 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 38 min |
| Jul 28, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 58 min |
| Jul 28, 2:50 PM EDT | Tornado Watch | SPC | Armstrong, Butler, Cameron, Centre, Clarion, Clearfield and 17 more | 5 hr |
| Jul 28, 3:41 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 64 min |
| Jul 28, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, York | 56 min |
| Jul 28, 4:12 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 63 min |
| Jul 28, 5:02 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 58 min |
| Jul 28, 5:05 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 55 min |
| Jul 28, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 62 min |
| Jul 28, 5:30 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 60 min |
| Jul 28, 5:30 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Susquehanna, Wayne | 6 hr |
| Jul 28, 6:06 PM EDT | Tornado Warning | CLE | Crawford | 24 min |
| Jul 28, 6:26 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 49 min |
| Jul 28, 8:27 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jul 28, 10:54 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 66 min |
| Jul 29, 3:58 AM EDT | Flash Flood Warning | CLE | Crawford | 2 hr |
| Jul 29, 4:50 AM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Jul 29, 7:10 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 5 hr |
| Jul 29, 8:08 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 67 min |
| Jul 29, 8:21 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 84 min |
| Jul 29, 9:06 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 54 min |
| Jul 29, 9:58 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 62 min |
| Jul 31, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 52 min |
| Jul 31, 6:57 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 63 min |
| Aug 1, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 55 min |
| Aug 2, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Potter, Susquehanna, Tioga, Wayne, Wyoming | 6 hr |
| Aug 2, 2:32 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 28 min |
| Aug 2, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 45 min |
| Aug 2, 4:02 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 28 min |
| Aug 2, 4:32 PM EDT | Severe Thunderstorm Warning | CTP | York | 58 min |
| Aug 2, 4:46 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 74 min |
| Aug 2, 4:50 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Pike | 4 hr |
| Aug 2, 5:36 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne | 24 min |
| Aug 2, 5:48 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 27 min |
| Aug 2, 6:31 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 59 min |
| Aug 2, 7:05 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 55 min |
| Aug 2, 7:25 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 35 min |
| Aug 2, 7:50 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 55 min |
| Aug 2, 8:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 55 min |
| Aug 3, 12:46 AM EDT | Severe Thunderstorm Warning | CTP | York | 59 min |
| Aug 3, 1:36 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 54 min |
| Aug 3, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 57 min |
| Aug 3, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 66 min |
| Aug 3, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 62 min |
| Aug 3, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 61 min |
| Aug 3, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 59 min |
| Aug 3, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 59 min |
| Aug 3, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 48 min |
| Aug 3, 6:12 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 63 min |
| Aug 5, 2:01 PM EDT | Flash Flood Warning | CTP | Bedford | 89 min |
| Aug 5, 2:05 PM EDT | Severe Thunderstorm Watch | SPC | Fayette, Greene, Washington, Westmoreland | 6 hr |
| Aug 5, 3:47 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 58 min |
| Aug 5, 5:25 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 65 min |
| Aug 5, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 65 min |
| Aug 5, 7:20 PM EDT | Flash Flood Warning | CTP | Bedford, Somerset | 3 hr |
| Aug 12, 2:07 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 53 min |
| Aug 12, 2:52 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Aug 12, 4:13 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Aug 12, 4:26 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 64 min |
| Aug 12, 4:53 PM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Aug 12, 5:04 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 56 min |
| Aug 12, 5:23 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 12, 5:31 PM EDT | Flash Flood Warning | PBZ | Allegheny | 119 min |
| Aug 12, 7:41 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 49 min |
| Aug 12, 7:43 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 62 min |
| Aug 12, 8:11 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 64 min |
| Aug 14, 5:38 AM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 37 min |
| Aug 14, 3:45 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 60 min |
| Aug 14, 4:44 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 31 min |
| Aug 15, 7:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Aug 16, 9:22 PM EDT | Flash Flood Warning | PBZ | Mercer | 113 min |
| Aug 16, 11:07 PM EDT | Flash Flood Warning | PBZ | Mercer | 113 min |
| Aug 17, 12:18 AM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Aug 18, 4:37 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 38 min |
| Aug 22, 4:20 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 55 min |
| Aug 22, 4:37 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 38 min |
| Aug 22, 4:55 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 65 min |
| Aug 22, 5:37 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Aug 22, 5:48 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 57 min |
| Aug 22, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 33 min |
| Aug 22, 6:59 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wyoming | 46 min |
| Aug 22, 7:20 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 55 min |
| Aug 22, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 60 min |
| Aug 22, 8:12 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 63 min |
| Aug 22, 8:59 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 31 min |
| Aug 22, 9:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 33 min |
| Aug 23, 6:45 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 60 min |
| Aug 23, 8:18 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 57 min |
| Aug 23, 11:04 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 56 min |
| Aug 24, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, York | 44 min |
| Aug 24, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 54 min |
| Aug 24, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 29 min |
| Aug 24, 7:06 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 24 min |
| Aug 24, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 33 min |
| Aug 24, 7:42 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 33 min |
| Aug 24, 7:44 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 46 min |
| Sep 3, 12:20 PM EDT | Severe Thunderstorm Watch | SPC | Crawford, Erie, Forest, Lawrence, McKean, Mercer and 2 more | 6 hr |
| Sep 3, 3:21 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 54 min |
| Sep 3, 4:17 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 58 min |
| Sep 3, 4:18 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 57 min |
| Sep 3, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 40 min |
| Sep 3, 6:07 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 53 min |
| Sep 3, 6:46 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 59 min |
| Sep 15, 2:17 PM EDT | Flash Flood Warning | CLE | Erie | 118 min |
| Sep 18, 11:34 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 56 min |
| Sep 27, 4:08 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 67 min |
| Sep 27, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Dauphin, Lebanon, York | 63 min |
| Sep 27, 8:08 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 52 min |
| Oct 3, 7:12 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 48 min |
| Oct 3, 7:24 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 51 min |
| Oct 3, 7:44 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 46 min |
| Oct 3, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 47 min |
| Oct 3, 8:27 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Nov 10, 6:45 PM EST | Tornado Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 11 more | 5 hr |
| Nov 10, 7:48 PM EST | Severe Thunderstorm Warning | PBZ | Mercer | 57 min |
| Nov 10, 7:56 PM EST | Tornado Warning | PBZ | Mercer | 64 min |
| Nov 10, 8:04 PM EST | Severe Thunderstorm Warning | CLE | Crawford | 56 min |
| Nov 10, 8:23 PM EST | Tornado Warning | CLE | Crawford | 67 min |
| Nov 10, 8:24 PM EST | Severe Thunderstorm Warning | PBZ | Venango | 66 min |
| Nov 10, 8:31 PM EST | Severe Thunderstorm Warning | PBZ | Lawrence | 59 min |
| Nov 10, 8:39 PM EST | Severe Thunderstorm Warning | CLE | Erie | 51 min |
| Nov 10, 8:44 PM EST | Severe Thunderstorm Warning | CTP | Warren | 61 min |
| Nov 10, 9:11 PM EST | Severe Thunderstorm Warning | PBZ | Mercer | 34 min |
| Nov 10, 9:23 PM EST | Severe Thunderstorm Warning | PBZ | Venango | 67 min |
| Nov 10, 9:42 PM EST | Tornado Warning | CTP | Warren | 33 min |
| Nov 10, 9:42 PM EST | Tornado Warning | CTP | Warren | 33 min |
| Nov 10, 9:55 PM EST | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 65 min |
| Nov 10, 10:08 PM EST | Severe Thunderstorm Warning | CTP | Warren | 22 min |
| Nov 10, 10:08 PM EST | Severe Thunderstorm Warning | CTP | Warren | 22 min |
| Nov 10, 10:08 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny | 52 min |
| Nov 10, 10:14 PM EST | Severe Thunderstorm Warning | PBZ | Butler | 61 min |
| Nov 10, 10:44 PM EST | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Nov 10, 10:47 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong | 58 min |
| Nov 17, 1:10 AM EST | Flash Flood Warning | PHI | Chester | 6 hr |
| Nov 17, 9:26 AM EST | Flash Flood Warning | PHI | Montgomery | 109 min |
| Dec 11, 5:11 PM EST | Flash Flood Warning | PHI | Chester | 3 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 432 |
| Tornado Warning | 27 |
| Severe Thunderstorm Watch | 28 |
| Tornado Watch | 9 |
| Flooding | |
| Flash Flood Warning | 92 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berks County37
- Westmoreland County35
- Allegheny County34
- Crawford County33
- Chester County33
- Mercer County32
- Butler County31
- Washington County29
- Warren County28
- Bucks County28
- Lancaster County27
- Montgomery County27
- York County26
- Jefferson County25
- Wayne County25
- Clearfield County24
- Fayette County24
- Indiana County24
- Centre County23
- Lawrence County23
- Monroe County23
- Armstrong County22
- Bedford County22
- Clarion County22
- Venango County22
- Beaver County21
- Erie County21
- Greene County21
- Carbon County21
- McKean County19
- Philadelphia County19
- Blair County18
- Somerset County18
- Franklin County18
- Huntingdon County18
- Lehigh County18
- Northampton County18
- Adams County17
- Clinton County17
- Lycoming County17
27 more counties
- Susquehanna County17
- Delaware County17
- Cambria County16
- Elk County16
- Dauphin County16
- Lackawanna County16
- Forest County15
- Bradford County15
- Cumberland County15
- Lebanon County15
- Luzerne County15
- Mifflin County15
- Northumberland County15
- Snyder County15
- Sullivan County15
- Union County15
- Juniata County13
- Perry County13
- Pike County13
- Columbia County12
- Wyoming County12
- Fulton County11
- Montour County11
- Potter County11
- Tioga County10
- Cameron County9
- Schuylkill County9
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20012003
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.