Alert archive / Pennsylvania / 2003
Weather alerts in Pennsylvania, July 2003
306 weather alerts in July 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 July 2003. Tap one for its archive.
- Alerts
- 306
- Warnings
- 248
- Watches
- 17
- Advisories
- 0
- Busiest day
- July 21, 200367 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 |
|---|---|---|---|---|
| Jul 4, 10:28 AM EDT | Mesoscale Discussion | SPC | Erie | 2 hr |
| Jul 4, 12:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 58 min |
| Jul 4, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 62 min |
| Jul 4, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jul 4, 2:45 PM EDT | Mesoscale Discussion | SPC | Clarion, Crawford, Erie, Forest, Lawrence, Mercer and 2 more | 60 min |
| Jul 4, 2:53 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 67 min |
| Jul 4, 3:05 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria and 18 more | 6 hr |
| Jul 4, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 60 min |
| Jul 4, 3:18 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Jul 4, 3:33 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 4, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 56 min |
| Jul 4, 4:10 PM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Jul 4, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
| Jul 4, 4:29 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria and 14 more | 2 hr |
| Jul 4, 4:32 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Jul 4, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 61 min |
| Jul 4, 5:21 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 54 min |
| Jul 4, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 67 min |
| Jul 4, 6:07 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 4, 6:17 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 min |
| Jul 4, 6:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Jul 4, 6:49 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 56 min |
| Jul 4, 7:12 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 4, 7:17 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 58 min |
| Jul 4, 7:19 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 4, 7:29 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 14 more | 61 min |
| Jul 4, 11:43 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 47 min |
| Jul 5, 3:21 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 39 min |
| Jul 5, 4:05 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 55 min |
| Jul 5, 4:08 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 22 min |
| Jul 5, 4:20 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Chester, Cumberland, Delaware and 6 more | 2 hr |
| Jul 5, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 33 min |
| Jul 5, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 38 min |
| Jul 5, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 66 min |
| Jul 6, 12:28 AM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Fayette, Franklin, Fulton, Greene and 2 more | 2 hr |
| Jul 6, 3:17 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 58 min |
| Jul 6, 3:21 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 39 min |
| Jul 6, 3:35 PM EDT | Flash Flood Warning | PBZ | Lawrence, Mercer | 3 hr |
| Jul 6, 3:37 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Jul 6, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 53 min |
| Jul 6, 3:54 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Jul 6, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 63 min |
| Jul 6, 4:17 PM EDT | Flash Flood Warning | CTP | Fulton | 88 min |
| Jul 6, 4:56 PM EDT | Flash Flood Warning | PBZ | Indiana | 3 hr |
| Jul 6, 5:38 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 67 min |
| Jul 6, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 60 min |
| Jul 6, 7:23 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Chester, Cumberland, Dauphin and 11 more | 67 min |
| Jul 6, 8:38 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 67 min |
| Jul 6, 8:53 PM EDT | Severe Thunderstorm Warning | CTP | York | 52 min |
| Jul 7, 12:10 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Columbia, Lackawanna, Lebanon and 10 more | 65 min |
| Jul 7, 2:23 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 12 more | 67 min |
| Jul 7, 2:37 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 53 min |
| Jul 7, 2:55 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 8 more | 5 hr |
| Jul 7, 2:56 PM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Butler, Crawford, Greene, Lawrence and 3 more | 94 min |
| Jul 7, 3:10 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 14 more | 6 hr |
| Jul 7, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 55 min |
| Jul 7, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 63 min |
| Jul 7, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 54 min |
| Jul 7, 5:39 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 96 min |
| Jul 7, 5:46 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 74 min |
| Jul 7, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 44 min |
| Jul 7, 6:22 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 68 min |
| Jul 7, 6:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 78 min |
| Jul 7, 6:29 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 7 more | 61 min |
| Jul 7, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 57 min |
| Jul 7, 6:52 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 12 more | 53 min |
| Jul 7, 6:55 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 65 min |
| Jul 7, 6:58 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 62 min |
| Jul 7, 7:12 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 33 min |
| Jul 7, 7:22 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 68 min |
| Jul 7, 7:51 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 69 min |
| Jul 7, 9:55 PM EDT | Severe Thunderstorm Watch | SPC | Beaver, Lawrence | 3 hr |
| Jul 8, 12:57 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 7 more | 63 min |
| Jul 8, 2:57 AM EDT | Mesoscale Discussion | SPC | Beaver, Washington | 63 min |
| Jul 8, 2:58 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 47 min |
| Jul 8, 3:03 AM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 8, 3:05 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 55 min |
| Jul 8, 3:20 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 55 min |
| Jul 8, 3:20 AM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more | 6 hr |
| Jul 8, 3:43 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 62 min |
| Jul 8, 5:06 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 54 min |
| Jul 8, 5:18 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 57 min |
| Jul 8, 6:06 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 6 more | 114 min |
| Jul 8, 6:07 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 53 min |
| Jul 8, 6:22 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 68 min |
| Jul 8, 6:31 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 74 min |
| Jul 8, 6:40 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 65 min |
| Jul 8, 6:43 AM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jul 8, 6:43 AM EDT | Severe Thunderstorm Warning | PBZ | Butler, Jefferson | 62 min |
| Jul 8, 7:02 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 58 min |
| Jul 8, 7:13 AM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 8, 7:29 AM EDT | Mesoscale Discussion | SPC | Armstrong, Fayette, Indiana, Somerset, Westmoreland | 61 min |
| Jul 8, 7:55 AM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Jul 8, 3:02 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more | 28 min |
| Jul 8, 3:15 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Beaver, Butler, Crawford, Greene, Lawrence and 3 more | 5 hr |
| Jul 8, 5:05 PM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Butler, Crawford, Greene, Lawrence and 3 more | 115 min |
| Jul 8, 7:29 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 61 min |
| Jul 8, 7:32 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 min |
| Jul 8, 7:40 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 65 min |
| Jul 8, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 60 min |
| Jul 8, 8:12 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 15 more | 93 min |
| Jul 8, 8:14 PM EDT | Flash Flood Warning | PBZ | Beaver | 3 hr |
| Jul 8, 8:14 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Jul 8, 8:17 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 58 min |
| Jul 8, 8:18 PM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Jul 8, 8:30 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Bedford, Blair, Butler and 26 more | 4 hr |
| Jul 8, 8:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 58 min |
| Jul 8, 8:38 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 67 min |
| Jul 8, 8:51 PM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Jul 8, 9:11 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 49 min |
| Jul 8, 9:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 48 min |
| Jul 8, 10:02 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Somerset | 58 min |
| Jul 8, 11:16 PM EDT | Mesoscale Discussion | SPC | Bedford, Blair, Fulton, Huntingdon, Juniata, Mifflin and 1 more | 119 min |
| Jul 9, 10:28 AM EDT | Mesoscale Discussion | SPC | Adams, Franklin, York | 92 min |
| Jul 9, 1:15 PM EDT | Severe Thunderstorm Watch | SPC | Delaware, Philadelphia | 8 hr |
| Jul 9, 3:48 PM EDT | Mesoscale Discussion | SPC | Delaware | 117 min |
| Jul 9, 7:36 PM EDT | Mesoscale Discussion | SPC | Delaware, Philadelphia | 114 min |
| Jul 10, 3:45 PM EDT | Severe Thunderstorm Watch | SPC | Bedford, Fayette, Fulton, Greene, Somerset, Washington and 1 more | 6 hr |
| Jul 10, 5:15 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 60 min |
| Jul 10, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 45 min |
| Jul 10, 6:02 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 58 min |
| Jul 10, 6:48 PM EDT | Flash Flood Warning | PBZ | Fayette | 3 hr |
| Jul 10, 6:57 PM EDT | Mesoscale Discussion | SPC | Bedford, Fayette, Fulton, Somerset | 93 min |
| Jul 10, 7:04 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 10, 7:07 PM EDT | Flash Flood Warning | PBZ | Washington | 3 hr |
| Jul 10, 7:16 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 44 min |
| Jul 10, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 67 min |
| Jul 10, 7:37 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 38 min |
| Jul 10, 8:30 PM EDT | Flash Flood Warning | CTP | Cambria | 3 hr |
| Jul 12, 10:53 AM EDT | Mesoscale Discussion | SPC | Allegheny, Fayette, Greene, Washington, Westmoreland | 2 hr |
| Jul 12, 11:51 AM EDT | Mesoscale Discussion | SPC | Greene, Washington | 114 min |
| Jul 12, 12:40 PM EDT | Severe Thunderstorm Watch | SPC | Greene, Washington | 5 hr |
| Jul 12, 2:48 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 57 min |
| Jul 12, 3:11 PM EDT | Mesoscale Discussion | SPC | Greene, Washington | 2 hr |
| Jul 14, 3:19 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 56 min |
| Jul 14, 3:30 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Jul 14, 3:49 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 7 more | 56 min |
| Jul 15, 11:49 AM EDT | Mesoscale Discussion | SPC | Bradford, Cameron, Clarion, Crawford, Elk, Erie and 9 more | 116 min |
| Jul 18, 6:18 AM EDT | Flash Flood Warning | CTP | McKean, Potter | 3 hr |
| Jul 18, 1:35 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 3 more | 115 min |
| Jul 18, 1:55 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 65 min |
| Jul 18, 1:55 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Fayette, Greene and 2 more | 6 hr |
| Jul 18, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 57 min |
| Jul 18, 2:47 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 58 min |
| Jul 18, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 66 min |
| Jul 18, 3:07 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 53 min |
| Jul 18, 3:25 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 80 min |
| Jul 18, 3:45 PM EDT | Tornado Warning | CTP | Clearfield | 30 min |
| Jul 18, 3:55 PM EDT | Flash Flood Warning | PBZ | Jefferson | 2 hr |
| Jul 18, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 70 min |
| Jul 18, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 31 min |
| Jul 18, 4:18 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Union | 57 min |
| Jul 18, 4:22 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 53 min |
| Jul 18, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 50 min |
| Jul 18, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 60 min |
| Jul 18, 4:49 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Cambria, Fayette and 5 more | 116 min |
| Jul 18, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 81 min |
| Jul 18, 5:33 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 27 min |
| Jul 18, 5:53 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland | 22 min |
| Jul 18, 6:02 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 28 min |
| Jul 18, 6:03 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 42 min |
| Jul 18, 6:47 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Fayette, Greene, Washington and 1 more | 88 min |
| Jul 18, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 29 min |
| Jul 18, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 59 min |
| Jul 18, 7:31 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 59 min |
| Jul 18, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 18 min |
| Jul 18, 7:59 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 61 min |
| Jul 21, 5:29 AM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 21, 8:40 AM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Greene and 4 more | 5 hr |
| Jul 21, 1:15 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Blair, Bradford, Butler, Cambria and 36 more | 2 hr |
| Jul 21, 1:21 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 54 min |
| Jul 21, 1:33 PM EDT | Flash Flood Warning | CLE | Crawford | 3 hr |
| Jul 21, 1:40 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 38 more | 6 hr |
| Jul 21, 1:42 PM EDT | Tornado Warning | PBZ | Mercer | 63 min |
| Jul 21, 1:44 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 61 min |
| Jul 21, 1:45 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 60 min |
| Jul 21, 1:47 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 21, 1:50 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 70 min |
| Jul 21, 1:56 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Jul 21, 1:59 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 76 min |
| Jul 21, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 43 min |
| Jul 21, 2:07 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 53 min |
| Jul 21, 2:09 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 51 min |
| Jul 21, 2:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 62 min |
| Jul 21, 2:14 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 76 min |
| Jul 21, 2:17 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 73 min |
| Jul 21, 2:29 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 61 min |
| Jul 21, 2:32 PM EDT | Flash Flood Warning | PBZ | Clarion, Forest | 3 hr |
| Jul 21, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 79 min |
| Jul 21, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 65 min |
| Jul 21, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 57 min |
| Jul 21, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 81 min |
| Jul 21, 3:35 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Wayne | 6 hr |
| Jul 21, 3:46 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon | 59 min |
| Jul 21, 3:51 PM EDT | Tornado Warning | CTP | Potter | 24 min |
| Jul 21, 3:51 PM EDT | Mesoscale Discussion | SPC | Blair, Bradford, Cambria, Cameron, Centre, Clearfield and 25 more | 114 min |
| Jul 21, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 65 min |
| Jul 21, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 62 min |
| Jul 21, 4:00 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 45 min |
| Jul 21, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 41 min |
| Jul 21, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 93 min |
| Jul 21, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder, Union | 84 min |
| Jul 21, 4:34 PM EDT | Tornado Warning | CTP | Clinton, Lycoming | 26 min |
| Jul 21, 4:38 PM EDT | Flash Flood Warning | CLE | Crawford | 4 hr |
| Jul 21, 4:44 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 61 min |
| Jul 21, 4:46 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 59 min |
| Jul 21, 4:51 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 39 min |
| Jul 21, 4:59 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland | 61 min |
| Jul 21, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 70 min |
| Jul 21, 5:11 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 49 min |
| Jul 21, 5:17 PM EDT | Tornado Warning | CTP | Lycoming | 28 min |
| Jul 21, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 42 min |
| Jul 21, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 57 min |
| Jul 21, 5:39 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 36 min |
| Jul 21, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Schuylkill | 73 min |
| Jul 21, 6:04 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna | 41 min |
| Jul 21, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 49 min |
| Jul 21, 6:22 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 53 min |
| Jul 21, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 51 min |
| Jul 21, 6:30 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Lehigh, Monroe, Northampton, Pike | 5 hr |
| Jul 21, 6:33 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 27 min |
| Jul 21, 6:43 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 62 min |
| Jul 21, 6:44 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 61 min |
| Jul 21, 7:03 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 57 min |
| Jul 21, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 53 min |
| Jul 21, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 48 min |
| Jul 21, 7:26 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 64 min |
| Jul 21, 7:30 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 21, 7:32 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 43 min |
| Jul 21, 7:33 PM EDT | Tornado Warning | PBZ | Mercer | 42 min |
| Jul 21, 7:35 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Jul 21, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 30 min |
| Jul 21, 7:51 PM EDT | Mesoscale Discussion | SPC | Bucks, Northampton | 84 min |
| Jul 21, 7:54 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 81 min |
| Jul 21, 8:15 PM EDT | Tornado Warning | PBZ | Mercer | 60 min |
| Jul 21, 8:28 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Jul 21, 8:28 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 62 min |
| Jul 21, 8:33 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Jul 21, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 84 min |
| Jul 21, 8:46 PM EDT | Flash Flood Warning | CLE | Crawford | 6 hr |
| Jul 21, 8:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 81 min |
| Jul 21, 8:55 PM EDT | Flash Flood Warning | CTP | Warren | 6 hr |
| Jul 21, 9:06 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 39 min |
| Jul 21, 9:22 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Jul 21, 9:58 PM EDT | Flash Flood Warning | CTP | McKean | 6 hr |
| Jul 21, 10:03 PM EDT | Flash Flood Warning | PBZ | Forest | 3 hr |
| Jul 21, 10:27 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 21, 10:42 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 63 min |
| Jul 21, 11:19 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 26 min |
| Jul 21, 11:52 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 53 min |
| Jul 22, 1:33 AM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 42 min |
| Jul 22, 2:30 AM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 45 min |
| Jul 22, 12:06 PM EDT | Flash Flood Warning | PBZ | Mercer, Venango | 3 hr |
| Jul 22, 12:08 PM EDT | Flash Flood Warning | CLE | Crawford | 4 hr |
| Jul 22, 12:58 PM EDT | Flash Flood Warning | PBZ | Lawrence | 3 hr |
| Jul 22, 1:19 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 86 min |
| Jul 22, 1:35 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 55 min |
| Jul 22, 1:45 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Delaware, Montgomery, Philadelphia | 5 hr |
| Jul 22, 2:07 PM EDT | Flash Flood Warning | CLE | Erie | 4 hr |
| Jul 22, 2:12 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 63 min |
| Jul 22, 2:16 PM EDT | Flash Flood Warning | PBZ | Forest | 3 hr |
| Jul 22, 2:27 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 48 min |
| Jul 22, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 57 min |
| Jul 22, 2:56 PM EDT | Flash Flood Warning | PBZ | Mercer, Venango | 3 hr |
| Jul 22, 3:16 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more | 59 min |
| Jul 22, 3:23 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 52 min |
| Jul 22, 3:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Jul 22, 3:33 PM EDT | Flash Flood Warning | CLE | Crawford | 4 hr |
| Jul 22, 3:33 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 57 min |
| Jul 22, 3:50 PM EDT | Tornado Warning | CTP | Dauphin | 40 min |
| Jul 22, 3:52 PM EDT | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Jul 22, 3:57 PM EDT | Flash Flood Warning | PBZ | Jefferson | 3 hr |
| Jul 22, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 66 min |
| Jul 22, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 17 min |
| Jul 22, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 69 min |
| Jul 22, 5:15 PM EDT | Flash Flood Warning | PBZ | Allegheny | 3 hr |
| Jul 22, 5:59 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 91 min |
| Jul 22, 6:30 PM EDT | Flash Flood Warning | PHI | Berks, Lehigh | 4 hr |
| Jul 22, 6:32 PM EDT | Severe Thunderstorm Warning | CTP | York | 58 min |
| Jul 22, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 47 min |
| Jul 22, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 36 min |
| Jul 22, 8:00 PM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Northampton | 4 hr |
| Jul 22, 9:55 PM EDT | Flash Flood Warning | PBZ | Lawrence, Mercer | 3 hr |
| Jul 23, 8:07 AM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| Jul 23, 1:05 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 18 more | 115 min |
| Jul 23, 3:59 PM EDT | Flash Flood Warning | PBZ | Mercer | 3 hr |
| Jul 23, 4:09 PM EDT | Flash Flood Warning | PBZ | Venango | 3 hr |
| Jul 23, 5:09 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 66 min |
| Jul 23, 6:25 PM EDT | Flash Flood Warning | PBZ | Clarion | 3 hr |
| Jul 23, 6:34 PM EDT | Flash Flood Warning | PBZ | Forest | 3 hr |
| Jul 23, 7:23 PM EDT | Flash Flood Warning | PBZ | Armstrong | 3 hr |
| Jul 23, 7:43 PM EDT | Severe Thunderstorm Warning | CTP | York | 47 min |
| Jul 24, 6:34 AM EDT | Flash Flood Warning | PBZ | Mercer | 4 hr |
| Jul 24, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 57 min |
| Jul 27, 4:31 PM EDT | Mesoscale Discussion | SPC | Blair, Carbon, Centre, Clearfield, Clinton, Columbia and 14 more | 89 min |
| Jul 27, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 43 min |
| Jul 27, 5:32 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland, Union | 43 min |
| Jul 27, 5:40 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 29 more | 2 hr |
| Jul 27, 6:05 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks and 31 more | 5 hr |
| Jul 27, 6:42 PM EDT | Flash Flood Warning | PBZ | Lawrence, Mercer | 2 hr |
| Jul 27, 7:26 PM EDT | Flash Flood Warning | PBZ | Butler | 3 hr |
| Jul 27, 7:35 PM EDT | Flash Flood Warning | PBZ | Clarion, Jefferson | 3 hr |
| Jul 27, 8:18 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 36 more | 117 min |
| Jul 27, 8:37 PM EDT | Flash Flood Warning | CTP | Clearfield | 3 hr |
| Jul 31, 6:23 PM EDT | Flash Flood Warning | CLE | Erie | 3 hr |
| Jul 31, 6:33 PM EDT | Flash Flood Warning | PBZ | Fayette | 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 | 177 |
| Tornado Warning | 8 |
| Severe Thunderstorm Watch | 17 |
| Mesoscale Discussion | 41 |
| Flooding | |
| Flash Flood Warning | 63 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County42
- Mercer County39
- Beaver County39
- Westmoreland County39
- Allegheny County38
- Fayette County37
- Greene County37
- Butler County37
- Lawrence County32
- Armstrong County29
- Venango County28
- Clarion County25
- Clearfield County22
- Jefferson County21
- Somerset County21
- Forest County20
- Cambria County20
- Indiana County20
- Crawford County18
- Blair County15
- Huntingdon County15
- York County15
- Bucks County15
- Bedford County14
- Adams County14
- Montgomery County14
- Cameron County13
- Centre County13
- Elk County13
- Berks County13
- Fulton County13
- Perry County13
- Schuylkill County13
- Lancaster County12
- Juniata County12
- Mifflin County12
- Lycoming County12
- Potter County11
- Delaware County11
- Franklin County11
27 more counties
- Philadelphia County11
- Union County11
- Warren County10
- McKean County10
- Cumberland County10
- Dauphin County10
- Lehigh County10
- Columbia County10
- Luzerne County10
- Monroe County10
- Northampton County10
- Clinton County10
- Northumberland County10
- Chester County9
- Carbon County9
- Snyder County9
- Lebanon County8
- Pike County8
- Susquehanna County8
- Wyoming County8
- Montour County8
- Erie County7
- Lackawanna County7
- Bradford County7
- Wayne County6
- Sullivan County6
- Tioga County5
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.