Alert archive / Pennsylvania / 2012
Weather alerts in Pennsylvania, September 2012
315 weather alerts in September 2012, 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 September 2012. Tap one for its archive.
- Alerts
- 315
- Warnings
- 87
- Watches
- 8
- Advisories
- 45
- Busiest day
- September 18, 201258 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 |
|---|---|---|---|---|
| Sep 1, 2:11 PM EDT | Special Weather Statement | PBZ | Beaver | 49 min |
| Sep 1, 2:35 PM EDT | Special Weather Statement | PBZ | Allegheny | 40 min |
| Sep 1, 3:00 PM EDT | Special Weather Statement | PBZ | Allegheny | 30 min |
| Sep 1, 3:46 PM EDT | Special Weather Statement | PBZ | Allegheny | 44 min |
| Sep 1, 3:51 PM EDT | Special Weather Statement | CTP | Somerset | 54 min |
| Sep 1, 4:20 PM EDT | Special Weather Statement | PBZ | Beaver | 40 min |
| Sep 1, 4:32 PM EDT | Flash Flood Warning | PBZ | Allegheny, Beaver | 2 hr |
| Sep 1, 4:50 PM EDT | Special Weather Statement | PBZ | Lawrence | 55 min |
| Sep 1, 4:51 PM EDT | Special Weather Statement | PBZ | Westmoreland | 39 min |
| Sep 1, 5:45 PM EDT | Areal Flood Advisory | CTP | Somerset | 90 min |
| Sep 1, 6:14 PM EDT | Special Weather Statement | CTP | Adams | 46 min |
| Sep 1, 6:53 PM EDT | Areal Flood Advisory | CTP | Adams, Franklin | 112 min |
| Sep 1, 7:14 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 30 min |
| Sep 1, 8:26 PM EDT | Special Weather Statement | CTP | Cumberland | 34 min |
| Sep 2, 7:01 PM EDT | Areal Flood Advisory | CTP | York | 3 hr |
| Sep 3, 12:24 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 3 hr |
| Sep 3, 12:58 AM EDT | Flash Flood Warning | PHI | Chester, Delaware | 5 hr |
| Sep 3, 4:19 AM EDT | River Flood Warning | PHI | Delaware | 91 min |
| Sep 3, 4:44 AM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 3 hr |
| Sep 3, 6:24 AM EDT | Areal Flood Warning | PHI | Chester | 4 hr |
| Sep 3, 8:05 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 3, 8:23 AM EDT | Flash Flood Warning | PHI | Delaware | 82 min |
| Sep 3, 9:15 AM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 3 hr |
| Sep 3, 10:28 AM EDT | Special Weather Statement | PHI | Philadelphia | 62 min |
| Sep 3, 11:14 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 2 hr |
| Sep 3, 12:04 PM EDT | Areal Flood Warning | PHI | Chester | 4 hr |
| Sep 3, 2:44 PM EDT | Areal Flood Advisory | PHI | Chester | 119 min |
| Sep 3, 3:00 PM EDT | Flash Flood Watch | PHI | Delaware, Philadelphia | 49 hr |
| Sep 3, 5:27 PM EDT | Areal Flood Warning | PHI | Delaware | 3 hr |
| Sep 3, 6:41 PM EDT | River Flood Warning | PHI | Delaware | 2 hr |
| Sep 3, 11:25 PM EDT | Special Weather Statement | PBZ | Allegheny, Beaver, Washington | 65 min |
| Sep 4, 12:13 AM EDT | Areal Flood Advisory | PHI | Chester | 111 min |
| Sep 4, 12:17 AM EDT | Special Weather Statement | PBZ | Beaver, Butler, Lawrence | 28 min |
| Sep 4, 1:52 AM EDT | Flash Flood Watch | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 26 hr |
| Sep 4, 2:23 AM EDT | Areal Flood Advisory | CTP | Cumberland, Franklin | 3 hr |
| Sep 4, 2:59 AM EDT | Areal Flood Advisory | CTP | Adams, Lancaster, York | 3 hr |
| Sep 4, 3:41 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 2 hr |
| Sep 4, 4:00 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 84 min |
| Sep 4, 12:08 PM EDT | Areal Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 4 hr |
| Sep 4, 12:15 PM EDT | Areal Flood Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 106 min |
| Sep 4, 1:47 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 4, 2:22 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin | 3 hr |
| Sep 4, 2:22 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 4 hr |
| Sep 4, 2:59 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 61 min |
| Sep 4, 3:11 PM EDT | River Flood Warning | PHI | Delaware | 50 min |
| Sep 4, 3:32 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Sep 4, 3:40 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 4 hr |
| Sep 4, 3:48 PM EDT | Special Weather Statement | CTP | Tioga | 27 min |
| Sep 4, 4:37 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 4, 5:14 PM EDT | Special Weather Statement | CTP | Schuylkill | 31 min |
| Sep 4, 5:22 PM EDT | Special Weather Statement | PHI | Philadelphia | 53 min |
| Sep 4, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 65 min |
| Sep 4, 6:34 PM EDT | Special Weather Statement | PHI | Lehigh | 56 min |
| Sep 4, 7:01 PM EDT | Areal Flood Warning | PHI | Philadelphia | 55 min |
| Sep 4, 7:04 PM EDT | Special Weather Statement | PBZ | Allegheny | 41 min |
| Sep 4, 7:06 PM EDT | Areal Flood Advisory | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 114 min |
| Sep 4, 7:15 PM EDT | Special Weather Statement | PBZ | Armstrong | 60 min |
| Sep 4, 7:33 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe, Northampton | 6 hr |
| Sep 4, 7:56 PM EDT | Special Weather Statement | PBZ | Indiana | 34 min |
| Sep 4, 8:22 PM EDT | Special Weather Statement | CTP | Cambria, Clearfield | 38 min |
| Sep 4, 8:26 PM EDT | Tornado Warning | PHI | Monroe, Northampton | 34 min |
| Sep 4, 9:10 PM EDT | Special Weather Statement | CTP | Cambria, Somerset | 50 min |
| Sep 4, 9:16 PM EDT | Special Weather Statement | CTP | Clinton | 44 min |
| Sep 4, 9:30 PM EDT | Areal Flood Advisory | PHI | Monroe | 2 hr |
| Sep 4, 10:09 PM EDT | Tornado Warning | PHI | Monroe | 36 min |
| Sep 4, 11:36 PM EDT | Areal Flood Advisory | BGM | Pike | 4 hr |
| Sep 5, 6:30 AM EDT | Special Weather Statement | PHI | Monroe | 60 min |
| Sep 5, 7:35 AM EDT | Special Weather Statement | PHI | Carbon, Monroe | 55 min |
| Sep 6, 1:04 PM EDT | Mesoscale Discussion | SPC | McKean, Potter | 56 min |
| Sep 6, 2:45 PM EDT | Special Weather Statement | BGM | Bradford | 45 min |
| Sep 6, 3:14 PM EDT | Special Weather Statement | CTP | McKean | 31 min |
| Sep 6, 3:25 PM EDT | Special Weather Statement | BGM | Bradford | 50 min |
| Sep 6, 3:29 PM EDT | Special Weather Statement | CTP | Union | 31 min |
| Sep 6, 3:31 PM EDT | Special Weather Statement | CTP | Lycoming | 44 min |
| Sep 6, 3:44 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 38 min |
| Sep 6, 3:49 PM EDT | Special Weather Statement | CTP | Sullivan | 41 min |
| Sep 6, 3:53 PM EDT | Special Weather Statement | BGM | Wyoming | 67 min |
| Sep 6, 4:11 PM EDT | Areal Flood Advisory | CTP | Lycoming, Tioga | 3 hr |
| Sep 6, 4:22 PM EDT | Special Weather Statement | CTP | Lycoming | 23 min |
| Sep 6, 4:24 PM EDT | Special Weather Statement | CTP | Mifflin | 36 min |
| Sep 6, 4:29 PM EDT | Special Weather Statement | CTP | Sullivan | 46 min |
| Sep 6, 4:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 46 min |
| Sep 6, 4:52 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 53 min |
| Sep 6, 4:58 PM EDT | Special Weather Statement | CTP | Warren | 62 min |
| Sep 6, 5:02 PM EDT | Special Weather Statement | CTP | Lycoming | 28 min |
| Sep 6, 5:05 PM EDT | Special Weather Statement | PBZ | Venango | 55 min |
| Sep 6, 5:07 PM EDT | Flash Flood Warning | CTP | Lycoming, Tioga | 6 hr |
| Sep 6, 5:10 PM EDT | Special Weather Statement | CTP | Mifflin | 35 min |
| Sep 6, 5:19 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 56 min |
| Sep 6, 5:22 PM EDT | Special Weather Statement | CTP | Montour, Northumberland, Union | 38 min |
| Sep 6, 5:24 PM EDT | Special Weather Statement | CTP | Tioga | 66 min |
| Sep 6, 5:39 PM EDT | Special Weather Statement | CTP | Fulton | 36 min |
| Sep 6, 5:47 PM EDT | Special Weather Statement | BGM | Bradford | 43 min |
| Sep 6, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Snyder, Union | 58 min |
| Sep 6, 5:51 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 54 min |
| Sep 6, 5:54 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 66 min |
| Sep 6, 5:59 PM EDT | Special Weather Statement | CTP | McKean | 31 min |
| Sep 6, 6:11 PM EDT | Special Weather Statement | CTP | Tioga | 34 min |
| Sep 6, 6:15 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Sep 6, 6:17 PM EDT | Special Weather Statement | CTP | Lycoming | 28 min |
| Sep 6, 6:30 PM EDT | Special Weather Statement | CTP | Potter | 45 min |
| Sep 6, 6:44 PM EDT | Special Weather Statement | CTP | Northumberland, Union | 31 min |
| Sep 6, 6:45 PM EDT | Mesoscale Discussion | SPC | Bradford, Columbia, Lackawanna, Luzerne, Lycoming, Montour and 8 more | 60 min |
| Sep 6, 6:48 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 20 min |
| Sep 6, 6:48 PM EDT | Special Weather Statement | CTP | Lycoming | 42 min |
| Sep 6, 7:02 PM EDT | Special Weather Statement | CTP | Union | 28 min |
| Sep 6, 7:03 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 57 min |
| Sep 6, 7:04 PM EDT | Special Weather Statement | CTP | Elk | 41 min |
| Sep 6, 7:07 PM EDT | Special Weather Statement | CTP | Sullivan | 23 min |
| Sep 6, 7:49 PM EDT | Special Weather Statement | CTP | Lycoming, Montour | 56 min |
| Sep 6, 7:56 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 49 min |
| Sep 6, 7:56 PM EDT | Special Weather Statement | CTP | Cameron | 64 min |
| Sep 6, 7:58 PM EDT | Special Weather Statement | CTP | Sullivan | 47 min |
| Sep 6, 8:25 PM EDT | Special Weather Statement | CTP | Tioga | 65 min |
| Sep 6, 8:40 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wayne | 36 min |
| Sep 6, 8:48 PM EDT | Special Weather Statement | CTP | Lycoming, Sullivan | 57 min |
| Sep 6, 9:01 PM EDT | Special Weather Statement | PHI | Monroe | 89 min |
| Sep 6, 9:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 66 min |
| Sep 6, 10:19 PM EDT | Special Weather Statement | CTP | Bradford | 26 min |
| Sep 6, 10:31 PM EDT | Special Weather Statement | PHI | Carbon | 119 min |
| Sep 6, 10:45 PM EDT | Special Weather Statement | CTP | Columbia | 30 min |
| Sep 6, 10:52 PM EDT | Special Weather Statement | CTP | Sullivan | 38 min |
| Sep 6, 10:54 PM EDT | Areal Flood Advisory | CTP | Lycoming, Tioga | 6 hr |
| Sep 6, 11:09 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 66 min |
| Sep 6, 11:10 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 48 min |
| Sep 6, 11:12 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 65 min |
| Sep 6, 11:42 PM EDT | Areal Flood Advisory | CTP | Columbia | 93 min |
| Sep 6, 11:54 PM EDT | Special Weather Statement | CTP | Snyder | 36 min |
| Sep 7, 12:05 AM EDT | Special Weather Statement | CTP | Potter | 40 min |
| Sep 7, 12:24 AM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 66 min |
| Sep 7, 12:50 AM EDT | Special Weather Statement | CTP | Montour | 25 min |
| Sep 7, 12:57 AM EDT | Flash Flood Warning | CTP | Columbia | 75 min |
| Sep 7, 1:23 AM EDT | Special Weather Statement | CTP | Schuylkill | 52 min |
| Sep 7, 1:57 AM EDT | Special Weather Statement | PHI | Berks | 2 hr |
| Sep 7, 2:02 AM EDT | Special Weather Statement | PBZ | Westmoreland | 28 min |
| Sep 7, 2:20 AM EDT | Special Weather Statement | BGM | Bradford | 55 min |
| Sep 7, 2:29 AM EDT | Special Weather Statement | PBZ | Westmoreland | 46 min |
| Sep 7, 3:19 AM EDT | Special Weather Statement | PBZ | Indiana | 26 min |
| Sep 7, 3:21 AM EDT | Special Weather Statement | CTP | Sullivan | 54 min |
| Sep 7, 3:21 AM EDT | Special Weather Statement | PBZ | Somerset | 24 min |
| Sep 7, 3:39 AM EDT | Severe Thunderstorm Warning | PHI | Berks | 81 min |
| Sep 7, 2:16 PM EDT | Mesoscale Discussion | SPC | Beaver, Butler, Clarion, Crawford, Erie, Forest and 4 more | 59 min |
| Sep 7, 3:09 PM EDT | Special Weather Statement | PBZ | Lawrence | 36 min |
| Sep 7, 3:22 PM EDT | Severe Thunderstorm Watch | SPC | Beaver, Butler, Clarion, Crawford, Erie, Forest and 3 more | 4 hr |
| Sep 7, 3:33 PM EDT | Special Weather Statement | PBZ | Butler | 27 min |
| Sep 7, 3:48 PM EDT | Special Weather Statement | CTP | McKean | 57 min |
| Sep 7, 3:49 PM EDT | Special Weather Statement | PBZ | Butler | 26 min |
| Sep 7, 3:53 PM EDT | Special Weather Statement | PBZ | Mercer | 37 min |
| Sep 7, 3:55 PM EDT | Special Weather Statement | PBZ | Clarion | 35 min |
| Sep 7, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Mercer, Venango | 40 min |
| Sep 7, 4:23 PM EDT | Special Weather Statement | CTP | Dauphin | 37 min |
| Sep 7, 4:49 PM EDT | Special Weather Statement | CTP | McKean, Warren | 56 min |
| Sep 7, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 65 min |
| Sep 7, 5:28 PM EDT | Special Weather Statement | PBZ | Armstrong | 32 min |
| Sep 7, 6:03 PM EDT | Special Weather Statement | CTP | Bedford | 42 min |
| Sep 7, 6:12 PM EDT | Special Weather Statement | CTP | McKean | 63 min |
| Sep 7, 6:12 PM EDT | Special Weather Statement | PBZ | Lawrence | 48 min |
| Sep 7, 6:14 PM EDT | Special Weather Statement | PBZ | Mercer, Venango | 46 min |
| Sep 7, 6:38 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 23 more | 97 min |
| Sep 7, 6:45 PM EDT | Special Weather Statement | PBZ | Butler | 45 min |
| Sep 7, 6:47 PM EDT | Special Weather Statement | CTP | Blair | 58 min |
| Sep 7, 6:56 PM EDT | Special Weather Statement | PBZ | Mercer, Venango | 49 min |
| Sep 7, 9:01 PM EDT | Special Weather Statement | CTP | Mifflin | 44 min |
| Sep 8, 12:57 AM EDT | Mesoscale Discussion | SPC | Beaver, Crawford, Erie, Lawrence, Mercer, Venango | 2 hr |
| Sep 8, 3:57 AM EDT | Rip Current Statement | CLE | Erie | 12 hr |
| Sep 8, 4:47 AM EDT | Special Weather Statement | PBZ | Allegheny, Beaver, Butler, Lawrence, Mercer, Venango | 58 min |
| Sep 8, 4:50 AM EDT | Special Weather Statement | PBZ | Greene, Washington | 55 min |
| Sep 8, 5:00 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 20 more | 60 min |
| Sep 8, 5:48 AM EDT | Special Weather Statement | PBZ | Allegheny, Armstrong, Butler, Clarion, Indiana, Washington and 1 more | 57 min |
| Sep 8, 6:08 AM EDT | Special Weather Statement | PBZ | Fayette | 52 min |
| Sep 8, 6:55 AM EDT | Special Weather Statement | PBZ | Jefferson | 35 min |
| Sep 8, 7:25 AM EDT | Special Weather Statement | CTP | Elk | 35 min |
| Sep 8, 8:42 AM EDT | Mesoscale Discussion | SPC | Berks, Bradford, Carbon, Clinton, Columbia, Cumberland and 18 more | 93 min |
| Sep 8, 10:06 AM EDT | Special Weather Statement | PBZ | Allegheny, Armstrong, Clarion, Forest, Greene, Indiana and 3 more | 54 min |
| Sep 8, 10:11 AM EDT | Special Weather Statement | CTP | Elk, McKean | 64 min |
| Sep 8, 10:54 AM EDT | Special Weather Statement | PBZ | Fayette, Greene, Indiana, Jefferson, Westmoreland | 66 min |
| Sep 8, 11:07 AM EDT | Special Weather Statement | CTP | Cameron, Clearfield, Elk, Potter | 53 min |
| Sep 8, 11:38 AM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bradford, Carbon, Centre and 29 more | 97 min |
| Sep 8, 11:44 AM EDT | Special Weather Statement | CTP | Bedford, Blair, Cambria, Centre, Somerset | 61 min |
| Sep 8, 11:49 AM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton, Elk, Potter, Tioga | 56 min |
| Sep 8, 11:57 AM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Centre, Clearfield, Huntingdon and 1 more | 63 min |
| Sep 8, 12:15 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Bucks, Carbon and 29 more | 9 hr |
| Sep 8, 12:32 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Lycoming, Potter and 1 more | 58 min |
| Sep 8, 12:40 PM EDT | Tornado Watch | SPC | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 7 hr |
| Sep 8, 12:41 PM EDT | Special Weather Statement | BGM | Bradford | 64 min |
| Sep 8, 12:55 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Centre, Cumberland, Franklin, Fulton and 6 more | 65 min |
| Sep 8, 1:09 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin, York | 51 min |
| Sep 8, 1:19 PM EDT | Special Weather Statement | BGM | Susquehanna | 56 min |
| Sep 8, 1:28 PM EDT | Special Weather Statement | BGM | Bradford | 32 min |
| Sep 8, 1:29 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon, Juniata, Lycoming, Mifflin and 5 more | 61 min |
| Sep 8, 1:33 PM EDT | Special Weather Statement | BGM | Lackawanna | 27 min |
| Sep 8, 1:43 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Juniata, Northumberland and 3 more | 62 min |
| Sep 8, 1:55 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 65 min |
| Sep 8, 1:59 PM EDT | Special Weather Statement | BGM | Lackawanna | 31 min |
| Sep 8, 2:09 PM EDT | Tornado Warning | BGM | Lackawanna, Susquehanna, Wayne | 40 min |
| Sep 8, 2:11 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lebanon, Lycoming, Montour, Northumberland and 4 more | 94 min |
| Sep 8, 2:12 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 6 more | 93 min |
| Sep 8, 2:18 PM EDT | Special Weather Statement | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne | 57 min |
| Sep 8, 2:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 65 min |
| Sep 8, 2:46 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon, Schuylkill, York | 3 hr |
| Sep 8, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 53 min |
| Sep 8, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 35 min |
| Sep 8, 3:17 PM EDT | Special Weather Statement | BGM | Lackawanna, Pike, Wayne | 58 min |
| Sep 8, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Monroe, Montgomery, Northampton | 60 min |
| Sep 8, 4:07 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 83 min |
| Sep 8, 4:13 PM EDT | Special Weather Statement | BGM | Pike | 47 min |
| Sep 8, 4:22 PM EDT | Mesoscale Discussion | SPC | Bucks, Delaware, Montgomery, Philadelphia | 53 min |
| Sep 8, 4:29 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 61 min |
| Sep 14, 12:41 PM EDT | Rip Current Statement | CLE | Erie | 7 hr |
| Sep 14, 3:10 PM EDT | Special Weather Statement | PBZ | Venango | 50 min |
| Sep 14, 3:54 PM EDT | Special Weather Statement | PBZ | Forest | 51 min |
| Sep 17, 2:33 PM EDT | High Wind Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 14 hr |
| Sep 17, 2:54 PM EDT | Wind Advisory | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 30 hr |
| Sep 18, 4:03 AM EDT | Wind Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 16 hr |
| Sep 18, 4:13 AM EDT | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 21 hr |
| Sep 18, 4:21 AM EDT | Rip Current Statement | CLE | Erie | 16 hr |
| Sep 18, 8:06 AM EDT | Special Weather Statement | PBZ | Fayette | 54 min |
| Sep 18, 8:49 AM EDT | Mesoscale Discussion | SPC | Adams, Cumberland, Franklin, Lancaster, York | 116 min |
| Sep 18, 10:10 AM EDT | Special Weather Statement | CTP | Fulton | 35 min |
| Sep 18, 10:43 AM EDT | Special Weather Statement | CTP | Franklin | 32 min |
| Sep 18, 11:14 AM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 6 more | 91 min |
| Sep 18, 11:19 AM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 23 more | 86 min |
| Sep 18, 11:24 AM EDT | Special Weather Statement | CTP | Adams | 36 min |
| Sep 18, 11:32 AM EDT | Special Weather Statement | CTP | Juniata, Snyder | 28 min |
| Sep 18, 12:02 PM EDT | Special Weather Statement | CTP | Adams, York | 43 min |
| Sep 18, 12:07 PM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland | 23 min |
| Sep 18, 12:10 PM EDT | Tornado Watch | SPC | Adams, Berks, Bradford, Bucks, Carbon, Chester and 28 more | 9 hr |
| Sep 18, 12:32 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 43 min |
| Sep 18, 12:46 PM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland | 29 min |
| Sep 18, 12:52 PM EDT | Areal Flood Advisory | CTP | Adams, Columbia, Cumberland, Dauphin, Lancaster, Lebanon and 5 more | 3 hr |
| Sep 18, 12:58 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 93 min |
| Sep 18, 12:59 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 46 min |
| Sep 18, 1:03 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 57 min |
| Sep 18, 1:05 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 115 min |
| Sep 18, 1:09 PM EDT | Special Weather Statement | BGM | Luzerne | 51 min |
| Sep 18, 1:16 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 59 min |
| Sep 18, 1:22 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, Schuylkill | 53 min |
| Sep 18, 1:32 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 43 min |
| Sep 18, 1:56 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 23 more | 64 min |
| Sep 18, 2:00 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more | 5 hr |
| Sep 18, 2:00 PM EDT | Special Weather Statement | PHI | Chester, Montgomery | 60 min |
| Sep 18, 2:07 PM EDT | Special Weather Statement | BGM | Bradford | 53 min |
| Sep 18, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more | 62 min |
| Sep 18, 2:18 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 57 min |
| Sep 18, 2:23 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 30 min |
| Sep 18, 2:25 PM EDT | Flash Flood Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Sep 18, 2:35 PM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 6 hr |
| Sep 18, 2:36 PM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Wayne | 9 hr |
| Sep 18, 2:52 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 17 min |
| Sep 18, 3:03 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 32 min |
| Sep 18, 3:07 PM EDT | Areal Flood Warning | PHI | Berks, Lehigh | 8 hr |
| Sep 18, 3:11 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 79 min |
| Sep 18, 3:16 PM EDT | Special Weather Statement | PHI | Monroe | 59 min |
| Sep 18, 3:18 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Wayne, Wyoming | 6 hr |
| Sep 18, 3:18 PM EDT | Special Weather Statement | CTP | Schuylkill | 57 min |
| Sep 18, 3:24 PM EDT | Special Weather Statement | PHI | Berks, Carbon | 51 min |
| Sep 18, 3:52 PM EDT | Special Weather Statement | PHI | Chester | 53 min |
| Sep 18, 4:05 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 55 min |
| Sep 18, 4:19 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 56 min |
| Sep 18, 4:21 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 11 more | 114 min |
| Sep 18, 4:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Monroe, Northampton | 52 min |
| Sep 18, 4:26 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 3 hr |
| Sep 18, 4:35 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Lehigh, Montgomery | 55 min |
| Sep 18, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Lehigh, Montgomery, Northampton and 1 more | 59 min |
| Sep 18, 5:12 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery | 63 min |
| Sep 18, 5:12 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 78 min |
| Sep 18, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 62 min |
| Sep 18, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 60 min |
| Sep 18, 6:06 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 54 min |
| Sep 18, 6:19 PM EDT | Areal Flood Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 16 hr |
| Sep 18, 6:54 PM EDT | Areal Flood Advisory | PHI | Bucks | 111 min |
| Sep 19, 1:36 PM EDT | Frost Advisory | CTP | Cameron, Elk, McKean, Potter | 19 hr |
| Sep 19, 5:48 PM EDT | Frost Advisory | PBZ | Forest | 15 hr |
| Sep 22, 12:27 AM EDT | Special Weather Statement | PBZ | Allegheny | 33 min |
| Sep 22, 12:43 AM EDT | Special Weather Statement | PBZ | Lawrence | 47 min |
| Sep 22, 12:51 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Mercer | 54 min |
| Sep 22, 1:18 AM EDT | Special Weather Statement | PBZ | Mercer, Venango | 42 min |
| Sep 22, 1:44 AM EDT | Special Weather Statement | PBZ | Butler, Lawrence | 46 min |
| Sep 22, 3:09 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Dauphin and 14 more | 2 hr |
| Sep 22, 4:27 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 63 min |
| Sep 22, 4:54 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 49 min |
| Sep 22, 5:03 PM EDT | Special Weather Statement | CTP | Lancaster | 27 min |
| Sep 22, 5:11 PM EDT | Special Weather Statement | PHI | Chester | 64 min |
| Sep 22, 6:01 PM EDT | Special Weather Statement | CTP | Warren | 29 min |
| Sep 22, 6:02 PM EDT | Special Weather Statement | PHI | Chester, Delaware | 88 min |
| Sep 22, 6:05 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Mercer, Venango | 40 min |
| Sep 22, 6:14 PM EDT | Special Weather Statement | PHI | Lehigh | 61 min |
| Sep 22, 6:19 PM EDT | Special Weather Statement | PHI | Northampton | 56 min |
| Sep 22, 6:27 PM EDT | Special Weather Statement | BGM | Pike | 48 min |
| Sep 22, 6:31 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Elk and 7 more | 119 min |
| Sep 22, 6:39 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 51 min |
| Sep 22, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 74 min |
| Sep 22, 7:02 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 43 min |
| Sep 22, 7:02 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 58 min |
| Sep 22, 7:12 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 33 min |
| Sep 22, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 32 min |
| Sep 22, 7:36 PM EDT | Special Weather Statement | CTP | Elk | 24 min |
| Sep 22, 7:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Philadelphia | 66 min |
| Sep 22, 8:02 PM EDT | Special Weather Statement | CTP | McKean | 28 min |
| Sep 22, 8:05 PM EDT | Special Weather Statement | PBZ | Indiana, Jefferson, Westmoreland | 40 min |
| Sep 22, 8:25 PM EDT | Special Weather Statement | CTP | Cameron, Elk | 35 min |
| Sep 23, 3:04 AM EDT | Frost Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 5 more | 30 hr |
| Sep 23, 1:38 PM EDT | Frost Advisory | CTP | Cameron, Elk, McKean, Potter | 15 hr |
| Sep 23, 3:21 PM EDT | Frost Advisory | BGM | Bradford | 18 hr |
| Sep 26, 9:41 AM EDT | Special Weather Statement | PBZ | Mercer | 49 min |
| Sep 27, 5:41 AM EDT | Special Weather Statement | PHI | Delaware | 79 min |
| Sep 27, 4:54 PM EDT | Special Weather Statement | PBZ | Allegheny | 36 min |
| Sep 27, 5:08 PM EDT | Special Weather Statement | PBZ | Allegheny, Beaver, Washington, Westmoreland | 52 min |
| Sep 27, 5:11 PM EDT | Special Weather Statement | PBZ | Allegheny, Westmoreland | 49 min |
| Sep 27, 5:17 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 2 hr |
| Sep 27, 5:43 PM EDT | Flash Flood Warning | PBZ | Allegheny | 85 min |
| Sep 27, 6:08 PM EDT | Special Weather Statement | PBZ | Indiana | 52 min |
| Sep 27, 9:38 PM EDT | Special Weather Statement | CTP | Adams, York | 37 min |
| Sep 27, 10:58 PM EDT | Special Weather Statement | CTP | Franklin, Fulton | 32 min |
| Sep 30, 1:55 PM EDT | Special Weather Statement | PHI | Northampton | 35 min |
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 | 61 |
| Tornado Warning | 3 |
| Severe Thunderstorm Watch | 2 |
| Tornado Watch | 2 |
| Mesoscale Discussion | 17 |
| Special Weather Statement | 155 |
| Flooding | |
| Areal Flood Warning | 8 |
| Flash Flood Warning | 12 |
| River Flood Warning | 3 |
| Flash Flood Watch | 3 |
| Areal Flood Advisory | 37 |
| Cold | |
| Frost Advisory | 5 |
| Wind and dust | |
| High Wind Watch | 1 |
| Wind Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| Rip Current Statement | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delaware County34
- Montgomery County31
- Philadelphia County31
- Chester County30
- Bucks County30
- Lehigh County30
- Monroe County30
- Northampton County28
- York County26
- Berks County25
- Bradford County25
- Adams County23
- Carbon County23
- Lancaster County22
- Allegheny County21
- Lycoming County20
- Lackawanna County20
- Pike County19
- Schuylkill County18
- Luzerne County18
- Wayne County18
- Beaver County17
- Butler County17
- Sullivan County17
- Cumberland County16
- Dauphin County16
- Northumberland County16
- Columbia County16
- Lawrence County15
- Lebanon County15
- Susquehanna County15
- Westmoreland County14
- Tioga County14
- McKean County14
- Montour County14
- Snyder County14
- Mercer County14
- Franklin County13
- Union County13
- Wyoming County13
27 more counties
- Venango County13
- Elk County12
- Washington County10
- Indiana County10
- Forest County10
- Perry County9
- Armstrong County9
- Clinton County9
- Potter County9
- Centre County9
- Cameron County9
- Clarion County9
- Somerset County8
- Mifflin County8
- Crawford County8
- Bedford County8
- Jefferson County8
- Juniata County8
- Clearfield County7
- Warren County7
- Erie County7
- Blair County7
- Greene County7
- Huntingdon County7
- Cambria County6
- Fulton County6
- Fayette County6
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.