Alert archive / Pennsylvania / 2003
Weather alerts in Pennsylvania, August 2003
234 weather alerts in August 2003, 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 August 2003. Tap one for its archive.
- Alerts
- 234
- Warnings
- 198
- Watches
- 12
- Advisories
- 0
- Busiest day
- August 27, 200350 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Aug 2, 6:17 PM EDT | Mesoscale Discussion | SPC | Bedford, Blair, Cambria, Centre, Clinton, Somerset | 3 hr |
| Aug 2, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon | 49 min |
| Aug 2, 11:22 PM EDT | Flash Flood Warning | CTP | Bedford | 4 hr |
| Aug 3, 4:00 AM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Aug 3, 4:07 AM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 3, 2:47 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 28 min |
| Aug 3, 2:50 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 40 min |
| Aug 3, 2:57 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 63 min |
| Aug 3, 3:01 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 59 min |
| Aug 3, 3:15 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 3, 3:29 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Aug 3, 3:54 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 51 min |
| Aug 3, 4:02 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 58 min |
| Aug 4, 12:40 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 4, 12:52 PM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Aug 4, 4:21 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Aug 4, 6:18 PM EDT | Flash Flood Warning | PHI | Northampton | 117 min |
| Aug 5, 12:15 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Aug 5, 1:00 PM EDT | Flash Flood Warning | CLE | Erie | 4 hr |
| Aug 5, 2:32 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh | 3 hr |
| Aug 5, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 38 min |
| Aug 5, 6:20 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Aug 5, 7:06 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Aug 5, 8:37 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Aug 6, 1:19 PM EDT | Flash Flood Warning | PHI | Carbon | 3 hr |
| Aug 6, 1:22 PM EDT | Flash Flood Warning | BGM | Luzerne | 53 min |
| Aug 6, 2:10 PM EDT | Flash Flood Warning | BGM | Luzerne | 2 hr |
| Aug 6, 2:50 PM EDT | Flash Flood Warning | BGM | Wayne | 3 hr |
| Aug 6, 8:02 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 6, 9:22 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 7, 2:18 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 7, 7:09 PM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Aug 7, 7:23 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 52 min |
| Aug 7, 8:06 PM EDT | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Aug 7, 8:59 PM EDT | Flash Flood Warning | PBZ | Forest | 3 hr |
| Aug 7, 9:03 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Aug 7, 10:53 PM EDT | Flash Flood Warning | CTP | Potter | 3 hr |
| Aug 8, 3:25 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 8, 3:41 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Aug 8, 9:18 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Aug 8, 10:54 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Aug 9, 1:20 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Aug 9, 2:58 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Aug 9, 3:31 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 9, 3:47 PM EDT | Flash Flood Warning | CTP | Tioga | 3 hr |
| Aug 9, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 58 min |
| Aug 9, 5:21 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Aug 9, 5:38 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 9, 5:46 PM EDT | Flash Flood Warning | PHI | Chester, Montgomery | 3 hr |
| Aug 9, 5:53 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Aug 9, 6:00 PM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Aug 9, 6:14 PM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Aug 9, 6:24 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 51 min |
| Aug 9, 6:26 PM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Aug 9, 6:32 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Aug 9, 7:06 PM EDT | Flash Flood Warning | CTP | Tioga | 3 hr |
| Aug 9, 7:21 PM EDT | Flash Flood Warning | CTP | McKean | 3 hr |
| Aug 9, 7:32 PM EDT | Flash Flood Warning | CTP | Blair, Clearfield | 3 hr |
| Aug 9, 7:42 PM EDT | Flash Flood Warning | CTP | Cameron | 3 hr |
| Aug 9, 7:46 PM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
| Aug 9, 8:12 PM EDT | Flash Flood Warning | CTP | Juniata, Perry | 3 hr |
| Aug 9, 8:26 PM EDT | Flash Flood Warning | CTP | Potter | 3 hr |
| Aug 9, 8:30 PM EDT | Flash Flood Warning | PHI | Chester | 2 hr |
| Aug 9, 9:37 PM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Aug 9, 10:17 PM EDT | Flash Flood Warning | CTP | McKean | 118 min |
| Aug 9, 10:24 PM EDT | Flash Flood Warning | CTP | Tioga | 3 hr |
| Aug 9, 10:33 PM EDT | Flash Flood Warning | PHI | Chester | 3 hr |
| Aug 10, 7:22 AM EDT | Flash Flood Warning | PHI | Chester | 113 min |
| Aug 10, 7:35 AM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Aug 10, 3:37 PM EDT | Flash Flood Warning | CLE | Crawford | 4 hr |
| Aug 10, 3:56 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Aug 10, 8:34 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 11, 2:01 AM EDT | Flash Flood Warning | PHI | Montgomery | 3 hr |
| Aug 11, 3:16 AM EDT | Flash Flood Warning | PHI | Bucks, Lehigh | 119 min |
| Aug 11, 12:29 PM EDT | Flash Flood Warning | BGM | Lackawanna | 3 hr |
| Aug 11, 1:00 PM EDT | Flash Flood Warning | CTP | Lebanon | 3 hr |
| Aug 11, 6:07 PM EDT | Flash Flood Warning | PHI | Northampton | 3 hr |
| Aug 12, 5:06 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 54 min |
| Aug 12, 5:29 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 12, 5:46 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 59 min |
| Aug 12, 6:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 33 min |
| Aug 12, 7:02 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Aug 12, 10:03 PM EDT | Flash Flood Warning | CTP | McKean | 117 min |
| Aug 13, 3:39 PM EDT | Flash Flood Warning | PHI | Northampton | 3 hr |
| Aug 13, 4:24 PM EDT | Flash Flood Warning | CTP | Schuylkill | 2 hr |
| Aug 13, 5:36 PM EDT | Flash Flood Warning | CTP | Dauphin | 114 min |
| Aug 16, 12:44 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne | 2 hr |
| Aug 16, 12:51 PM EDT | Mesoscale Discussion | SPC | Bradford, Cameron, Clarion, Clinton, Elk, Forest and 11 more | 114 min |
| Aug 16, 1:25 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bradford, Butler, Cameron and 21 more | 6 hr |
| Aug 16, 1:50 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 55 min |
| Aug 16, 2:00 PM EDT | Flash Flood Warning | PHI | Monroe | 3 hr |
| Aug 16, 2:00 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Beaver, Crawford, Greene, Lawrence, Mercer and 1 more | 6 hr |
| Aug 16, 2:11 PM EDT | Flash Flood Warning | BGM | Pike | 2 hr |
| Aug 16, 2:12 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 3 hr |
| Aug 16, 2:22 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 38 min |
| Aug 16, 2:32 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 58 min |
| Aug 16, 2:43 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 47 min |
| Aug 16, 2:49 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 71 min |
| Aug 16, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 49 min |
| Aug 16, 3:48 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 72 min |
| Aug 16, 4:37 PM EDT | Flash Flood Warning | BGM | Luzerne | 3 hr |
| Aug 16, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler | 55 min |
| Aug 16, 5:10 PM EDT | Flash Flood Warning | PHI | Monroe | 2 hr |
| Aug 16, 5:25 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 50 min |
| Aug 16, 6:26 PM EDT | Mesoscale Discussion | SPC | Armstrong, Bradford, Cameron, Clarion, Clearfield, Clinton and 12 more | 64 min |
| Aug 16, 6:31 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Aug 16, 6:53 PM EDT | Mesoscale Discussion | SPC | Greene, Washington | 97 min |
| Aug 16, 7:49 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 56 min |
| Aug 16, 8:05 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 40 min |
| Aug 16, 8:45 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Indiana | 60 min |
| Aug 16, 8:50 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 55 min |
| Aug 16, 8:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 66 min |
| Aug 16, 8:58 PM EDT | Flash Flood Warning | CTP | Dauphin | 3 hr |
| Aug 16, 10:14 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 46 min |
| Aug 16, 10:26 PM EDT | Severe Thunderstorm Warning | CTP | York | 34 min |
| Aug 17, 3:00 AM EDT | Severe Thunderstorm Warning | CTP | Centre | 15 min |
| Aug 17, 3:17 AM EDT | Severe Thunderstorm Warning | CTP | Mifflin, Snyder | 28 min |
| Aug 17, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 51 min |
| Aug 17, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 58 min |
| Aug 22, 3:45 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 60 min |
| Aug 22, 4:25 AM EDT | Severe Thunderstorm Warning | CTP | McKean | 50 min |
| Aug 22, 12:32 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 3 more | 118 min |
| Aug 22, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia and 1 more | 7 hr |
| Aug 22, 3:27 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Bedford, Berks, Blair and 39 more | 3 hr |
| Aug 22, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 20 min |
| Aug 22, 4:10 PM EDT | Mesoscale Discussion | SPC | Bucks, Delaware, Montgomery, Philadelphia | 95 min |
| Aug 22, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | York | 53 min |
| Aug 22, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 54 min |
| Aug 22, 7:22 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia and 1 more | 53 min |
| Aug 25, 11:24 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 66 min |
| Aug 26, 12:03 AM EDT | Flash Flood Warning | PBZ | Armstrong | 3 hr |
| Aug 26, 12:27 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 7 more | 63 min |
| Aug 26, 3:00 AM EDT | Severe Thunderstorm Warning | PBZ | Butler, Venango | 60 min |
| Aug 26, 3:10 AM EDT | Flash Flood Warning | PBZ | Armstrong | 3 hr |
| Aug 26, 3:52 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 53 min |
| Aug 26, 4:25 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 65 min |
| Aug 26, 4:51 AM EDT | Severe Thunderstorm Warning | PBZ | Venango | 54 min |
| Aug 26, 5:13 AM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Aug 26, 5:38 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 52 min |
| Aug 26, 6:47 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 28 min |
| Aug 26, 7:07 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 53 min |
| Aug 26, 7:34 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 56 min |
| Aug 26, 8:06 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 54 min |
| Aug 26, 8:23 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 52 min |
| Aug 26, 8:30 AM EDT | Mesoscale Discussion | SPC | Cameron, Clarion, Crawford, Elk, Erie, Forest and 7 more | 2 hr |
| Aug 26, 8:54 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 66 min |
| Aug 26, 9:05 AM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Aug 26, 9:10 AM EDT | Severe Thunderstorm Watch | SPC | Armstrong, Beaver, Butler, Cameron, Clarion, Clearfield and 14 more | 5 hr |
| Aug 26, 9:18 AM EDT | Severe Thunderstorm Warning | PBZ | Venango | 57 min |
| Aug 26, 9:26 AM EDT | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Aug 26, 10:00 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 60 min |
| Aug 26, 11:08 AM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Bedford, Butler, Cambria, Fayette and 6 more | 2 hr |
| Aug 26, 11:20 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 55 min |
| Aug 26, 11:31 AM EDT | Severe Thunderstorm Warning | PBZ | Venango | 59 min |
| Aug 26, 11:47 AM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Aug 26, 12:16 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 59 min |
| Aug 26, 12:36 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 54 min |
| Aug 26, 12:44 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Aug 26, 1:05 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 17 more | 5 hr |
| Aug 26, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 62 min |
| Aug 26, 1:28 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 62 min |
| Aug 26, 1:33 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 57 min |
| Aug 26, 1:37 PM EDT | Tornado Warning | PBZ | Indiana | 38 min |
| Aug 26, 1:50 PM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Aug 26, 1:54 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 66 min |
| Aug 26, 1:54 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 26, 2:00 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 60 min |
| Aug 26, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 59 min |
| Aug 26, 2:19 PM EDT | Mesoscale Discussion | SPC | Bedford, Fulton | 116 min |
| Aug 26, 2:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Aug 26, 2:34 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 56 min |
| Aug 26, 2:53 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 52 min |
| Aug 26, 2:58 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 62 min |
| Aug 26, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 61 min |
| Aug 26, 3:46 PM EDT | Mesoscale Discussion | SPC | Fayette, Greene, Washington | 119 min |
| Aug 26, 7:55 PM EDT | Mesoscale Discussion | SPC | Beaver, Greene, Washington | 65 min |
| Aug 26, 9:20 PM EDT | Severe Thunderstorm Watch | SPC | Fayette, Greene, Washington | 6 hr |
| Aug 26, 9:38 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 52 min |
| Aug 26, 9:43 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 47 min |
| Aug 26, 10:03 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 42 min |
| Aug 26, 10:11 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 49 min |
| Aug 26, 10:18 PM EDT | Mesoscale Discussion | SPC | Fayette, Greene | 57 min |
| Aug 26, 10:24 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 51 min |
| Aug 27, 4:55 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 65 min |
| Aug 27, 5:36 AM EDT | Severe Thunderstorm Warning | PBZ | Greene | 54 min |
| Aug 27, 6:11 AM EDT | Mesoscale Discussion | SPC | Bedford, Fayette, Fulton, Greene, Somerset | 2 hr |
| Aug 27, 6:58 AM EDT | Flash Flood Warning | PBZ | Fayette, Greene | 4 hr |
| Aug 27, 7:31 AM EDT | Severe Thunderstorm Warning | PBZ | Greene | 59 min |
| Aug 27, 8:01 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 44 min |
| Aug 27, 8:22 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Aug 27, 8:27 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 63 min |
| Aug 27, 8:48 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 57 min |
| Aug 27, 9:06 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 54 min |
| Aug 27, 9:15 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 60 min |
| Aug 27, 9:23 AM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Centre, Cumberland and 8 more | 2 hr |
| Aug 27, 9:35 AM EDT | Severe Thunderstorm Warning | CTP | Cambria | 55 min |
| Aug 27, 9:38 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 52 min |
| Aug 27, 9:40 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 31 more | 5 hr |
| Aug 27, 9:43 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 62 min |
| Aug 27, 9:53 AM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Aug 27, 9:58 AM EDT | Severe Thunderstorm Warning | CTP | Blair | 17 min |
| Aug 27, 10:04 AM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 27, 10:05 AM EDT | Severe Thunderstorm Warning | CTP | Centre | 70 min |
| Aug 27, 10:15 AM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 45 min |
| Aug 27, 10:18 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 42 min |
| Aug 27, 10:27 AM EDT | Severe Thunderstorm Warning | CTP | Blair | 18 min |
| Aug 27, 10:42 AM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 33 min |
| Aug 27, 11:48 AM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Beaver, Bedford, Cambria, Columbia and 18 more | 87 min |
| Aug 27, 12:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 43 min |
| Aug 27, 12:58 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 42 min |
| Aug 27, 1:20 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 40 min |
| Aug 27, 2:05 PM EDT | Severe Thunderstorm Watch | SPC | Fayette, Greene, Washington, Westmoreland | 5 hr |
| Aug 27, 2:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 48 min |
| Aug 27, 3:09 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 96 min |
| Aug 27, 3:09 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Franklin, Fulton, Somerset | 66 min |
| Aug 27, 3:21 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 54 min |
| Aug 27, 3:30 PM EDT | Severe Thunderstorm Watch | SPC | Bedford, Franklin, Fulton, Somerset | 7 hr |
| Aug 27, 4:04 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Aug 27, 4:10 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 65 min |
| Aug 27, 4:12 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Aug 27, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 62 min |
| Aug 27, 4:36 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 54 min |
| Aug 27, 5:03 PM EDT | Mesoscale Discussion | SPC | Bedford, Fayette, Franklin, Fulton, Greene, Somerset and 1 more | 87 min |
| Aug 27, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 43 min |
| Aug 27, 5:56 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 64 min |
| Aug 27, 6:56 PM EDT | Mesoscale Discussion | SPC | Adams | 64 min |
| Aug 29, 1:32 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 26 more | 2 hr |
| Aug 29, 2:05 PM EDT | Severe Thunderstorm Watch | SPC | Armstrong, Beaver, Butler, Cameron, Centre, Clarion and 14 more | 5 hr |
| Aug 29, 2:59 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bucks, Carbon, Chester and 24 more | 3 hr |
| Aug 29, 3:50 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lebanon and 3 more | 5 hr |
| Aug 29, 4:51 PM EDT | Mesoscale Discussion | SPC | Armstrong, Beaver, Butler, Cameron, Centre, Clarion and 12 more | 84 min |
| Aug 29, 7:33 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Aug 29, 9:33 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Aug 30, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | Delaware | 5 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 | 104 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 12 |
| Mesoscale Discussion | 24 |
| Flooding | |
| Flash Flood Warning | 93 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County24
- Greene County22
- Washington County21
- Allegheny County19
- Fayette County19
- Venango County19
- Butler County18
- Bedford County17
- Lawrence County17
- Indiana County16
- Mercer County16
- Armstrong County16
- Somerset County15
- Beaver County15
- Clarion County13
- Fulton County13
- Centre County12
- Crawford County12
- McKean County12
- Clearfield County11
- Bucks County11
- Warren County11
- Franklin County11
- Blair County10
- Cambria County10
- Huntingdon County10
- Erie County10
- Forest County10
- Potter County10
- Tioga County10
- Chester County10
- Montgomery County10
- Jefferson County10
- Adams County10
- Clinton County9
- Northampton County9
- Cameron County9
- Lycoming County9
- York County9
- Elk County8
27 more counties
- Monroe County8
- Juniata County7
- Perry County7
- Lancaster County7
- Mifflin County7
- Philadelphia County7
- Delaware County7
- Carbon County6
- Luzerne County6
- Bradford County6
- Lebanon County6
- Dauphin County6
- Sullivan County6
- Snyder County6
- Cumberland County6
- Lehigh County5
- Wayne County5
- Schuylkill County5
- Susquehanna County5
- Wyoming County5
- Berks County5
- Northumberland County5
- Pike County4
- Columbia County4
- Union County4
- Lackawanna County3
- Montour County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.