Alert archive / Pennsylvania / 2013
Weather alerts in Pennsylvania, September 2013
228 weather alerts in September 2013, 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 2013. Tap one for its archive.
- Alerts
- 228
- Warnings
- 70
- Watches
- 4
- Advisories
- 43
- Busiest day
- September 11, 201369 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 31, 8:03 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 57 min |
| Aug 31, 9:11 PM EDT | Special Weather Statement | CTP | Lancaster | 34 min |
| Aug 31, 9:42 PM EDT | Areal Flood Advisory | CTP | Clearfield, Elk | 3 hr |
| Aug 31, 10:05 PM EDT | Special Weather Statement | PBZ | Jefferson | 70 min |
| Aug 31, 10:53 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Jefferson | 3 hr |
| Sep 1, 5:37 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 3 hr |
| Sep 1, 7:11 AM EDT | Special Weather Statement | PHI | Montgomery | 64 min |
| Sep 1, 7:24 AM EDT | Special Weather Statement | PHI | Monroe | 96 min |
| Sep 1, 7:27 AM EDT | Special Weather Statement | PBZ | Armstrong | 48 min |
| Sep 1, 7:51 AM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 84 min |
| Sep 1, 8:14 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Westmoreland | 3 hr |
| Sep 1, 10:47 AM EDT | Areal Flood Advisory | CTP | Cambria, Somerset | 3 hr |
| Sep 1, 1:17 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, York | 3 hr |
| Sep 1, 1:46 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| Sep 1, 5:04 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 4 hr |
| Sep 1, 7:25 PM EDT | Special Weather Statement | PHI | Northampton | 65 min |
| Sep 1, 7:31 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 119 min |
| Sep 1, 7:36 PM EDT | Areal Flood Advisory | PBZ | Mercer | 4 hr |
| Sep 1, 9:12 PM EDT | Special Weather Statement | CTP | Columbia | 33 min |
| Sep 1, 10:07 PM EDT | Special Weather Statement | CTP | Dauphin | 23 min |
| Sep 1, 10:29 PM EDT | Special Weather Statement | CTP | Dauphin | 46 min |
| Sep 1, 11:23 PM EDT | Special Weather Statement | CTP | Columbia | 37 min |
| Sep 2, 12:50 AM EDT | Flash Flood Warning | CTP | Columbia | 4 hr |
| Sep 2, 12:56 AM EDT | Flash Flood Warning | BGM | Luzerne | 4 hr |
| Sep 2, 4:56 AM EDT | Special Weather Statement | PHI | Carbon | 49 min |
| Sep 2, 5:34 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 56 min |
| Sep 2, 7:09 AM EDT | Areal Flood Advisory | PHI | Northampton | 4 hr |
| Sep 2, 9:37 AM EDT | Areal Flood Advisory | PHI | Philadelphia | 113 min |
| Sep 2, 9:52 AM EDT | Flash Flood Warning | PHI | Philadelphia | 4 hr |
| Sep 2, 10:29 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 76 min |
| Sep 2, 10:50 AM EDT | Areal Flood Advisory | PHI | Delaware | 3 hr |
| Sep 2, 11:27 AM EDT | Areal Flood Advisory | PHI | Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 2, 12:04 PM EDT | Special Weather Statement | BGM | Wyoming | 41 min |
| Sep 2, 12:33 PM EDT | Mesoscale Discussion | SPC | Cameron, Clarion, Crawford, Elk, Forest, Jefferson and 7 more | 117 min |
| Sep 2, 12:37 PM EDT | Flash Flood Warning | PHI | Delaware | 3 hr |
| Sep 2, 12:44 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Sep 2, 1:07 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 83 min |
| Sep 2, 1:24 PM EDT | Special Weather Statement | PBZ | Jefferson | 36 min |
| Sep 2, 1:33 PM EDT | Special Weather Statement | PBZ | Armstrong | 27 min |
| Sep 2, 1:42 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 33 min |
| Sep 2, 2:19 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Potter, Warren | 56 min |
| Sep 2, 2:43 PM EDT | Special Weather Statement | PBZ | Indiana | 32 min |
| Sep 2, 2:58 PM EDT | Special Weather Statement | PBZ | Forest | 32 min |
| Sep 2, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 40 min |
| Sep 2, 3:06 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 114 min |
| Sep 2, 3:14 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean, Potter, Tioga | 61 min |
| Sep 2, 3:14 PM EDT | Special Weather Statement | PHI | Northampton | 61 min |
| Sep 2, 3:18 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Cameron, Centre, Clarion, Clearfield, Clinton and 21 more | 7 hr |
| Sep 2, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter | 62 min |
| Sep 2, 4:02 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 43 min |
| Sep 2, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter | 61 min |
| Sep 2, 4:44 PM EDT | Special Weather Statement | PHI | Lehigh | 46 min |
| Sep 2, 4:51 PM EDT | Special Weather Statement | PBZ | Jefferson | 39 min |
| Sep 2, 4:52 PM EDT | Special Weather Statement | PHI | Bucks | 38 min |
| Sep 2, 4:53 PM EDT | Special Weather Statement | CTP | Elk | 67 min |
| Sep 2, 5:01 PM EDT | Special Weather Statement | PBZ | Jefferson | 44 min |
| Sep 2, 5:05 PM EDT | Areal Flood Advisory | PHI | Lehigh | 115 min |
| Sep 2, 5:09 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 51 min |
| Sep 2, 5:25 PM EDT | Special Weather Statement | CTP | Cumberland | 65 min |
| Sep 2, 5:32 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, York | 58 min |
| Sep 2, 5:39 PM EDT | Flash Flood Warning | PHI | Lehigh | 2 hr |
| Sep 2, 5:46 PM EDT | Special Weather Statement | PHI | Lehigh | 44 min |
| Sep 2, 6:02 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 58 min |
| Sep 2, 6:02 PM EDT | Special Weather Statement | PBZ | Indiana | 43 min |
| Sep 2, 6:21 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 39 min |
| Sep 2, 6:31 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 59 min |
| Sep 2, 6:50 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Clearfield | 55 min |
| Sep 2, 6:52 PM EDT | Mesoscale Discussion | SPC | Armstrong, Bradford, Cameron, Carbon, Centre, Clearfield and 21 more | 113 min |
| Sep 2, 6:57 PM EDT | Special Weather Statement | PHI | Montgomery | 48 min |
| Sep 2, 7:00 PM EDT | Special Weather Statement | PBZ | Indiana | 45 min |
| Sep 2, 7:03 PM EDT | Areal Flood Advisory | CTP | Cambria, Clearfield | 3 hr |
| Sep 2, 7:10 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 65 min |
| Sep 2, 7:11 PM EDT | Special Weather Statement | CTP | Centre | 49 min |
| Sep 2, 7:36 PM EDT | Flash Flood Warning | CTP | Cambria | 3 hr |
| Sep 2, 7:55 PM EDT | Special Weather Statement | CTP | Blair, Cambria | 65 min |
| Sep 2, 7:59 PM EDT | Special Weather Statement | PHI | Chester | 46 min |
| Sep 2, 8:15 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wyoming | 45 min |
| Sep 2, 8:17 PM EDT | Special Weather Statement | PHI | Chester | 58 min |
| Sep 2, 8:19 PM EDT | Special Weather Statement | CTP | Lancaster | 26 min |
| Sep 2, 8:56 PM EDT | Special Weather Statement | CTP | Blair, Cambria | 64 min |
| Sep 2, 8:56 PM EDT | Special Weather Statement | PHI | Chester | 49 min |
| Sep 2, 8:58 PM EDT | Special Weather Statement | PHI | Chester | 47 min |
| Sep 2, 9:03 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Huntingdon, Somerset | 3 hr |
| Sep 2, 9:53 PM EDT | Special Weather Statement | CTP | Clearfield | 52 min |
| Sep 2, 10:51 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 39 min |
| Sep 2, 11:31 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 59 min |
| Sep 3, 3:06 AM EDT | Rip Current Statement | CLE | Erie | 17 hr |
| Sep 5, 3:47 AM EDT | Frost Advisory | CTP | Cameron, Elk, Lycoming, McKean, Potter, Sullivan and 1 more | 28 hr |
| Sep 5, 3:04 PM EDT | Frost Advisory | BGM | Bradford, Wayne | 18 hr |
| Sep 8, 4:04 AM EDT | Rip Current Statement | CLE | Erie | 16 hr |
| Sep 9, 4:52 PM EDT | Special Weather Statement | PBZ | Allegheny | 53 min |
| Sep 9, 5:41 PM EDT | Special Weather Statement | PBZ | Allegheny, Westmoreland | 49 min |
| Sep 9, 6:07 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 3 hr |
| Sep 9, 6:27 PM EDT | Special Weather Statement | PBZ | Westmoreland | 63 min |
| Sep 11, 11:42 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 34 more | 63 min |
| Sep 11, 12:33 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 40 more | 8 hr |
| Sep 11, 1:10 PM EDT | Special Weather Statement | PBZ | Fayette, Greene | 50 min |
| Sep 11, 1:19 PM EDT | Special Weather Statement | CTP | Cameron | 56 min |
| Sep 11, 1:21 PM EDT | Special Weather Statement | BGM | Wyoming | 39 min |
| Sep 11, 1:23 PM EDT | Special Weather Statement | PBZ | Allegheny | 37 min |
| Sep 11, 1:33 PM EDT | Special Weather Statement | BGM | Bradford | 42 min |
| Sep 11, 1:47 PM EDT | Special Weather Statement | CTP | Centre | 28 min |
| Sep 11, 1:57 PM EDT | Special Weather Statement | BGM | Susquehanna | 48 min |
| Sep 11, 2:05 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 40 min |
| Sep 11, 2:06 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming | 54 min |
| Sep 11, 2:12 PM EDT | Special Weather Statement | CTP | Centre | 48 min |
| Sep 11, 2:20 PM EDT | Special Weather Statement | PBZ | Fayette | 25 min |
| Sep 11, 2:21 PM EDT | Special Weather Statement | CTP | McKean | 24 min |
| Sep 11, 2:46 PM EDT | Special Weather Statement | PBZ | Armstrong | 29 min |
| Sep 11, 2:47 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bradford, Butler, Cambria and 28 more | 58 min |
| Sep 11, 2:49 PM EDT | Special Weather Statement | BGM | Susquehanna | 41 min |
| Sep 11, 3:08 PM EDT | Special Weather Statement | PBZ | Allegheny | 22 min |
| Sep 11, 3:17 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Butler | 3 hr |
| Sep 11, 3:29 PM EDT | Special Weather Statement | CTP | Mifflin | 46 min |
| Sep 11, 3:31 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 44 min |
| Sep 11, 3:37 PM EDT | Special Weather Statement | CTP | Potter | 53 min |
| Sep 11, 3:41 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| Sep 11, 3:44 PM EDT | Special Weather Statement | CTP | Tioga | 46 min |
| Sep 11, 3:50 PM EDT | Special Weather Statement | BGM | Lackawanna | 25 min |
| Sep 11, 3:52 PM EDT | Special Weather Statement | CTP | Union | 53 min |
| Sep 11, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Potter, Tioga | 62 min |
| Sep 11, 4:03 PM EDT | Special Weather Statement | PBZ | Westmoreland | 42 min |
| Sep 11, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Union | 54 min |
| Sep 11, 4:07 PM EDT | Areal Flood Advisory | CTP | Somerset | 3 hr |
| Sep 11, 4:16 PM EDT | Special Weather Statement | BGM | Lackawanna | 44 min |
| Sep 11, 4:17 PM EDT | Special Weather Statement | CTP | Cambria | 43 min |
| Sep 11, 4:19 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne | 56 min |
| Sep 11, 4:19 PM EDT | Special Weather Statement | PBZ | Beaver | 56 min |
| Sep 11, 4:23 PM EDT | Areal Flood Advisory | CTP | Potter | 3 hr |
| Sep 11, 4:25 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 2 hr |
| Sep 11, 4:30 PM EDT | Special Weather Statement | PBZ | Mercer | 45 min |
| Sep 11, 4:32 PM EDT | Special Weather Statement | PBZ | Mercer | 58 min |
| Sep 11, 4:38 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 67 min |
| Sep 11, 4:42 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 63 min |
| Sep 11, 4:47 PM EDT | Flash Flood Warning | CTP | Potter | 3 hr |
| Sep 11, 4:53 PM EDT | Special Weather Statement | CTP | Huntingdon, Juniata, Mifflin | 67 min |
| Sep 11, 4:54 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Wyoming | 3 hr |
| Sep 11, 4:56 PM EDT | Special Weather Statement | CTP | Somerset | 49 min |
| Sep 11, 5:01 PM EDT | Special Weather Statement | CTP | Columbia | 29 min |
| Sep 11, 5:01 PM EDT | Areal Flood Advisory | PBZ | Mercer | 3 hr |
| Sep 11, 5:09 PM EDT | Areal Flood Advisory | CTP | Cameron, Clinton | 3 hr |
| Sep 11, 5:20 PM EDT | Flash Flood Warning | BGM | Susquehanna | 6 hr |
| Sep 11, 5:21 PM EDT | Special Weather Statement | CTP | Snyder, Union | 54 min |
| Sep 11, 5:24 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 6 hr |
| Sep 11, 5:28 PM EDT | Special Weather Statement | CTP | Northumberland | 62 min |
| Sep 11, 5:45 PM EDT | Special Weather Statement | BGM | Susquehanna | 45 min |
| Sep 11, 5:47 PM EDT | Special Weather Statement | CTP | Potter | 43 min |
| Sep 11, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Montour, Northumberland, Schuylkill | 58 min |
| Sep 11, 5:53 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin | 22 min |
| Sep 11, 5:59 PM EDT | Areal Flood Warning | BGM | Lackawanna | 10 hr |
| Sep 11, 6:16 PM EDT | Special Weather Statement | CTP | Fulton | 44 min |
| Sep 11, 6:24 PM EDT | Special Weather Statement | CTP | Juniata | 66 min |
| Sep 11, 6:32 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Montour, Northumberland, Schuylkill, Snyder | 58 min |
| Sep 11, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 57 min |
| Sep 11, 7:01 PM EDT | Flash Flood Warning | CTP | McKean, Potter | 3 hr |
| Sep 11, 7:09 PM EDT | Special Weather Statement | CTP | Schuylkill | 21 min |
| Sep 11, 7:14 PM EDT | Special Weather Statement | CTP | Franklin | 61 min |
| Sep 11, 7:20 PM EDT | Special Weather Statement | PHI | Carbon | 55 min |
| Sep 11, 7:35 PM EDT | Special Weather Statement | PHI | Monroe | 55 min |
| Sep 11, 7:37 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 53 min |
| Sep 11, 7:44 PM EDT | Special Weather Statement | CTP | Schuylkill | 46 min |
| Sep 11, 7:50 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 55 min |
| Sep 11, 7:55 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin | 50 min |
| Sep 11, 8:21 PM EDT | Special Weather Statement | CTP | Potter | 24 min |
| Sep 11, 8:25 PM EDT | Special Weather Statement | BGM | Pike | 50 min |
| Sep 11, 8:59 PM EDT | Special Weather Statement | CTP | Potter | 61 min |
| Sep 12, 7:38 AM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Sep 12, 9:59 AM EDT | Special Weather Statement | CTP | Lancaster, York | 31 min |
| Sep 12, 11:48 AM EDT | Special Weather Statement | PBZ | Allegheny | 27 min |
| Sep 12, 11:56 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 49 min |
| Sep 12, 12:02 PM EDT | Mesoscale Discussion | SPC | Blair, Bradford, Cameron, Carbon, Centre, Clearfield and 26 more | 58 min |
| Sep 12, 12:12 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 48 min |
| Sep 12, 12:28 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Westmoreland | 3 hr |
| Sep 12, 12:29 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 46 min |
| Sep 12, 12:37 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Bradford, Cambria, Cameron and 33 more | 7 hr |
| Sep 12, 12:47 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 43 min |
| Sep 12, 12:57 PM EDT | Special Weather Statement | CTP | Potter | 33 min |
| Sep 12, 1:03 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 57 min |
| Sep 12, 1:17 PM EDT | Special Weather Statement | CTP | Cameron, Elk | 43 min |
| Sep 12, 1:27 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield, Huntingdon | 48 min |
| Sep 12, 1:38 PM EDT | Special Weather Statement | PBZ | Fayette | 82 min |
| Sep 12, 1:52 PM EDT | Special Weather Statement | CTP | Potter | 38 min |
| Sep 12, 2:00 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clinton, Lycoming, Union | 60 min |
| Sep 12, 2:26 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 64 min |
| Sep 12, 2:27 PM EDT | Special Weather Statement | CTP | Potter, Tioga | 48 min |
| Sep 12, 2:35 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin, Snyder | 55 min |
| Sep 12, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Dauphin, Juniata, Mifflin, Perry, Snyder and 1 more | 64 min |
| Sep 12, 2:41 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Bradford, Cambria, Carbon and 29 more | 64 min |
| Sep 12, 2:50 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 6 hr |
| Sep 12, 2:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Columbia, Lycoming, Montour, Northumberland and 4 more | 64 min |
| Sep 12, 3:24 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Wyoming | 66 min |
| Sep 12, 3:26 PM EDT | Mesoscale Discussion | SPC | Pike | 64 min |
| Sep 12, 3:28 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Cumberland, Dauphin, Franklin, Juniata, Lancaster and 8 more | 47 min |
| Sep 12, 3:34 PM EDT | Special Weather Statement | CTP | Lancaster | 56 min |
| Sep 12, 3:38 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 67 min |
| Sep 12, 3:43 PM EDT | Special Weather Statement | PHI | Berks | 62 min |
| Sep 12, 3:51 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Lancaster, York | 84 min |
| Sep 12, 4:02 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Sullivan | 58 min |
| Sep 12, 4:03 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Susquehanna, Wyoming | 42 min |
| Sep 12, 4:08 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Cumberland, Dauphin, Lancaster, Lebanon, Montour and 4 more | 52 min |
| Sep 12, 4:21 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 84 min |
| Sep 12, 4:24 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lehigh and 3 more | 66 min |
| Sep 12, 4:35 PM EDT | Special Weather Statement | BGM | Lackawanna, Susquehanna, Wayne | 55 min |
| Sep 12, 4:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more | 95 min |
| Sep 12, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 77 min |
| Sep 12, 4:59 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 31 min |
| Sep 12, 5:09 PM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon, York | 3 hr |
| Sep 12, 5:47 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 58 min |
| Sep 12, 6:07 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 68 min |
| Sep 12, 6:43 PM EDT | Special Weather Statement | PHI | Philadelphia | 62 min |
| Sep 13, 4:45 AM EDT | Rip Current Statement | CLE | Erie | 11 hr |
| Sep 16, 3:20 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne, Wyoming | 30 hr |
| Sep 16, 3:33 AM EDT | Rip Current Statement | CLE | Erie | 12 hr |
| Sep 16, 11:30 AM EDT | Frost Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 21 hr |
| Sep 17, 3:16 AM EDT | Frost Advisory | PHI | Carbon, Monroe, Northampton | 29 hr |
| Sep 17, 11:55 AM EDT | Frost Advisory | PBZ | Clarion, Forest, Jefferson, Venango | 17 hr |
| Sep 17, 2:11 PM EDT | Frost Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 18 hr |
| Sep 20, 5:47 AM EDT | Dense Fog Advisory | CTP | Blair, Cameron, Centre, Clearfield, Clinton, Columbia and 13 more | 3 hr |
| Sep 21, 8:15 AM EDT | Areal Flood Advisory | CLE | Erie | 3 hr |
| Sep 22, 3:05 AM EDT | Rip Current Statement | CLE | Erie | 13 hr |
| Sep 23, 3:27 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne | 30 hr |
| Sep 23, 4:50 AM EDT | Frost Advisory | CTP | Cambria, Cameron, Centre, Clearfield, Clinton, Elk and 7 more | 28 hr |
| Sep 23, 2:49 PM EDT | Frost Advisory | PBZ | Armstrong, Butler, Clarion, Fayette, Forest, Jefferson and 4 more | 18 hr |
| Sep 23, 2:55 PM EDT | Frost Advisory | PHI | Carbon, Monroe | 17 hr |
| Sep 23, 3:02 PM EDT | Frost Advisory | CLE | Crawford, Erie | 18 hr |
| Sep 23, 5:23 PM EDT | Freeze Warning | PBZ | Forest | 16 hr |
| Sep 23, 6:02 PM EDT | Freeze Warning | CTP | Elk, McKean, Potter | 15 hr |
| Sep 24, 2:08 PM EDT | Frost Advisory | CTP | McKean, Warren | 20 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 | 54 |
| Severe Thunderstorm Watch | 4 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 98 |
| Flooding | |
| Areal Flood Warning | 1 |
| Flash Flood Warning | 13 |
| Areal Flood Advisory | 29 |
| Cold | |
| Freeze Warning | 2 |
| Frost Advisory | 13 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Coast and beach | |
| Rip Current Statement | 5 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Potter County33
- McKean County22
- Tioga County20
- Columbia County20
- Centre County20
- Elk County19
- Cameron County19
- Clinton County19
- Susquehanna County19
- Clearfield County18
- Cambria County18
- Lycoming County18
- Jefferson County17
- Wyoming County16
- Montour County16
- Sullivan County16
- Union County16
- Monroe County15
- Allegheny County15
- Lackawanna County15
- Northumberland County15
- Lancaster County14
- Carbon County14
- Bradford County14
- Wayne County14
- Armstrong County13
- Westmoreland County13
- Snyder County13
- Northampton County12
- Dauphin County12
- Juniata County12
- Mifflin County12
- York County11
- Luzerne County11
- Erie County11
- Warren County11
- Indiana County11
- Blair County11
- Schuylkill County11
- Bucks County10
27 more counties
- Cumberland County10
- Lehigh County10
- Forest County10
- Montgomery County9
- Mercer County9
- Huntingdon County9
- Philadelphia County8
- Somerset County8
- Pike County8
- Lebanon County8
- Clarion County7
- Venango County7
- Chester County7
- Crawford County6
- Delaware County6
- Butler County6
- Franklin County6
- Perry County6
- Lawrence County5
- Fayette County5
- Berks County5
- Adams County4
- Bedford County4
- Beaver County4
- Washington County3
- Fulton County3
- Greene County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.