Alert archive / Pennsylvania / 2018
Weather alerts in Pennsylvania, September 2018
335 weather alerts in September 2018, 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 2018. Tap one for its archive.
- Alerts
- 335
- Warnings
- 102
- Watches
- 29
- Advisories
- 90
- Busiest day
- September 6, 201850 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, 8:00 PM EDT | Areal Flood Warning | PHI | Berks, Chester | 4 hr |
| Aug 31, 8:11 PM EDT | Areal Flood Advisory | CTP | Bedford | 2 hr |
| Aug 31, 8:59 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria | 2 hr |
| Aug 31, 10:59 PM EDT | Areal Flood Warning | CTP | Lancaster, York | 6 hr |
| Sep 1, 4:51 AM EDT | River Flood Warning | CTP | Lancaster, York | 5 hr |
| Sep 1, 2:13 PM EDT | Special Weather Statement | PBZ | Indiana | 32 min |
| Sep 1, 3:24 PM EDT | Areal Flood Advisory | CTP | Somerset | 3 hr |
| Sep 3, 3:02 AM EDT | Heat Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 4 days |
| Sep 3, 12:57 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Wyoming | 2 hr |
| Sep 3, 2:30 PM EDT | Areal Flood Advisory | BGM | Luzerne, Wyoming | 93 min |
| Sep 3, 2:38 PM EDT | Areal Flood Advisory | PBZ | Mercer | 25 min |
| Sep 3, 3:02 PM EDT | Flash Flood Warning | PBZ | Mercer | 116 min |
| Sep 3, 3:16 PM EDT | Special Weather Statement | PBZ | Mercer | 29 min |
| Sep 3, 3:23 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 37 min |
| Sep 3, 3:33 PM EDT | Special Weather Statement | CTP | Elk | 27 min |
| Sep 3, 4:01 PM EDT | Areal Flood Advisory | BGM | Bradford, Wyoming | 119 min |
| Sep 3, 4:47 PM EDT | Special Weather Statement | CTP | Cameron | 43 min |
| Sep 3, 4:48 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 29 min |
| Sep 3, 5:16 PM EDT | Special Weather Statement | BGM | Susquehanna | 44 min |
| Sep 3, 5:29 PM EDT | Special Weather Statement | CTP | Clinton, Lycoming | 46 min |
| Sep 3, 5:32 PM EDT | Flash Flood Warning | BGM | Bradford | 118 min |
| Sep 3, 5:40 PM EDT | Special Weather Statement | PBZ | Jefferson | 50 min |
| Sep 3, 5:49 PM EDT | Special Weather Statement | CTP | Clearfield | 41 min |
| Sep 3, 5:58 PM EDT | Areal Flood Advisory | BGM | Wyoming | 2 hr |
| Sep 3, 5:58 PM EDT | Special Weather Statement | CTP | Sullivan | 32 min |
| Sep 3, 6:18 PM EDT | Special Weather Statement | CTP | Lycoming | 42 min |
| Sep 3, 6:32 PM EDT | Areal Flood Advisory | CTP | Sullivan | 3 hr |
| Sep 3, 6:38 PM EDT | Special Weather Statement | BGM | Lackawanna | 52 min |
| Sep 3, 6:45 PM EDT | Special Weather Statement | PBZ | Mercer | 30 min |
| Sep 3, 6:49 PM EDT | Special Weather Statement | CTP | Sullivan | 41 min |
| Sep 3, 7:00 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Union | 45 min |
| Sep 3, 7:19 PM EDT | Special Weather Statement | BGM | Luzerne | 41 min |
| Sep 3, 7:31 PM EDT | Special Weather Statement | PBZ | Mercer | 44 min |
| Sep 3, 7:34 PM EDT | Special Weather Statement | BGM | Pike | 41 min |
| Sep 3, 7:45 PM EDT | Special Weather Statement | CTP | Columbia, Montour | 45 min |
| Sep 3, 8:23 PM EDT | Special Weather Statement | CTP | Schuylkill | 37 min |
| Sep 3, 8:57 PM EDT | Special Weather Statement | CTP | Schuylkill | 78 min |
| Sep 3, 9:28 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 47 min |
| Sep 4, 2:27 AM EDT | Heat Advisory | CTP | Lancaster | 16 hr |
| Sep 4, 8:15 PM EDT | Special Weather Statement | CTP | Warren | 45 min |
| Sep 5, 3:31 AM EDT | Heat Advisory | CTP | Adams, Lancaster, York | 14 hr |
| Sep 5, 5:01 PM EDT | Special Weather Statement | CTP | Cambria | 59 min |
| Sep 5, 5:21 PM EDT | Special Weather Statement | CTP | Somerset | 54 min |
| Sep 5, 6:32 PM EDT | Special Weather Statement | CTP | Cambria | 43 min |
| Sep 6, 2:24 AM EDT | Heat Advisory | CTP | Adams, Lancaster, York | 16 hr |
| Sep 6, 10:17 AM EDT | Special Weather Statement | PBZ | Beaver, Lawrence | 43 min |
| Sep 6, 10:49 AM EDT | Special Weather Statement | PBZ | Butler | 41 min |
| Sep 6, 11:29 AM EDT | Special Weather Statement | PBZ | Jefferson | 46 min |
| Sep 6, 11:55 AM EDT | Special Weather Statement | CTP | Clearfield | 35 min |
| Sep 6, 12:04 PM EDT | Special Weather Statement | PBZ | Allegheny | 26 min |
| Sep 6, 12:05 PM EDT | Special Weather Statement | CTP | Tioga | 40 min |
| Sep 6, 12:47 PM EDT | Special Weather Statement | CTP | Tioga | 43 min |
| Sep 6, 1:10 PM EDT | Special Weather Statement | CTP | Cambria | 50 min |
| Sep 6, 1:20 PM EDT | Mesoscale Discussion | SPC | Blair, Bradford, Cambria, Carbon, Centre, Clearfield and 21 more | 2 hr |
| Sep 6, 1:30 PM EDT | Special Weather Statement | CTP | Centre | 45 min |
| Sep 6, 1:31 PM EDT | Special Weather Statement | BGM | Lackawanna | 59 min |
| Sep 6, 1:40 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 22 min |
| Sep 6, 1:45 PM EDT | Special Weather Statement | CTP | Sullivan | 45 min |
| Sep 6, 1:53 PM EDT | Special Weather Statement | CTP | Cambria | 52 min |
| Sep 6, 1:57 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Sep 6, 2:07 PM EDT | Special Weather Statement | BGM | Wyoming | 38 min |
| Sep 6, 2:16 PM EDT | Special Weather Statement | PBZ | Fayette | 29 min |
| Sep 6, 2:17 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 15 min |
| Sep 6, 2:18 PM EDT | Special Weather Statement | CTP | Centre | 42 min |
| Sep 6, 2:23 PM EDT | Special Weather Statement | CTP | Clinton | 52 min |
| Sep 6, 2:30 PM EDT | Special Weather Statement | CTP | Bedford, Fulton, Huntingdon, Mifflin | 45 min |
| Sep 6, 2:44 PM EDT | Special Weather Statement | CTP | Tioga | 31 min |
| Sep 6, 2:46 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 29 min |
| Sep 6, 2:55 PM EDT | Areal Flood Advisory | BGM | Susquehanna, Wayne | 2 hr |
| Sep 6, 2:55 PM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland, Snyder, Union | 35 min |
| Sep 6, 2:56 PM EDT | Areal Flood Advisory | CTP | Bedford, Somerset | 2 hr |
| Sep 6, 3:03 PM EDT | Special Weather Statement | BGM | Lackawanna | 27 min |
| Sep 6, 3:15 PM EDT | Special Weather Statement | BGM | Wayne | 45 min |
| Sep 6, 3:15 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland | 2 hr |
| Sep 6, 3:17 PM EDT | Special Weather Statement | CTP | Franklin, Fulton, Juniata | 43 min |
| Sep 6, 3:23 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 29 min |
| Sep 6, 3:31 PM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland, Snyder, Union | 44 min |
| Sep 6, 3:43 PM EDT | Special Weather Statement | BGM | Pike | 32 min |
| Sep 6, 3:49 PM EDT | Flash Flood Warning | PBZ | Washington | 87 min |
| Sep 6, 4:01 PM EDT | Special Weather Statement | CTP | Cumberland, Dauphin, Franklin | 44 min |
| Sep 6, 4:02 PM EDT | Special Weather Statement | PHI | Carbon | 28 min |
| Sep 6, 4:11 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Schuylkill | 2 hr |
| Sep 6, 4:14 PM EDT | Special Weather Statement | PBZ | Greene | 31 min |
| Sep 6, 4:18 PM EDT | Special Weather Statement | CTP | Columbia, Northumberland, Schuylkill | 42 min |
| Sep 6, 4:29 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 26 min |
| Sep 6, 4:32 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 17 min |
| Sep 6, 4:35 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 40 min |
| Sep 6, 4:37 PM EDT | Special Weather Statement | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, York | 53 min |
| Sep 6, 4:43 PM EDT | Special Weather Statement | BGM | Pike | 32 min |
| Sep 6, 4:45 PM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, York | 2 hr |
| Sep 6, 5:26 PM EDT | Special Weather Statement | CTP | Lebanon | 34 min |
| Sep 6, 6:00 PM EDT | Special Weather Statement | CTP | Lancaster | 30 min |
| Sep 6, 6:25 PM EDT | Areal Flood Advisory | CTP | Lancaster | 110 min |
| Sep 6, 7:51 PM EDT | Special Weather Statement | PHI | Delaware | 39 min |
| Sep 7, 2:16 PM EDT | Special Weather Statement | CTP | Bedford | 29 min |
| Sep 7, 2:45 PM EDT | Special Weather Statement | CTP | Blair | 30 min |
| Sep 7, 2:48 PM EDT | Special Weather Statement | CTP | Bedford | 27 min |
| Sep 7, 3:14 PM EDT | Special Weather Statement | CTP | Blair | 31 min |
| Sep 7, 3:18 PM EDT | Special Weather Statement | CTP | Bedford, Fulton | 42 min |
| Sep 7, 3:36 PM EDT | Beach Hazards Statement | CLE | Erie | 66 hr |
| Sep 7, 3:37 PM EDT | Special Weather Statement | CTP | Somerset | 38 min |
| Sep 7, 3:44 PM EDT | Special Weather Statement | CTP | Blair | 46 min |
| Sep 7, 3:51 PM EDT | Special Weather Statement | CTP | Adams | 39 min |
| Sep 7, 3:58 PM EDT | Special Weather Statement | CTP | Bedford | 47 min |
| Sep 7, 4:26 PM EDT | Special Weather Statement | CTP | Fulton | 49 min |
| Sep 7, 5:13 PM EDT | Special Weather Statement | CTP | Fulton | 17 min |
| Sep 7, 5:32 PM EDT | Special Weather Statement | CTP | Fulton | 13 min |
| Sep 7, 6:41 PM EDT | Flash Flood Warning | PHI | Delaware, Philadelphia | 4 hr |
| Sep 7, 7:59 PM EDT | Areal Flood Advisory | CTP | Somerset | 4 hr |
| Sep 7, 8:49 PM EDT | Areal Flood Advisory | CTP | Adams, York | 56 min |
| Sep 7, 10:41 PM EDT | Areal Flood Warning | PHI | Delaware, Philadelphia | 8 hr |
| Sep 8, 2:41 AM EDT | Areal Flood Warning | PHI | Berks, Montgomery | 4 hr |
| Sep 8, 2:43 AM EDT | Areal Flood Advisory | PHI | Bucks | 6 hr |
| Sep 8, 3:12 AM EDT | Areal Flood Advisory | CTP | Adams, Franklin, York | 3 hr |
| Sep 8, 3:33 AM EDT | Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 64 hr |
| Sep 8, 3:34 AM EDT | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 49 hr |
| Sep 8, 3:34 AM EDT | Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 60 hr |
| Sep 8, 4:09 AM EDT | Flash Flood Watch | CLE | Crawford | 48 hr |
| Sep 8, 4:14 AM EDT | Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 62 hr |
| Sep 8, 4:29 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Sep 8, 5:31 AM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 24 hr |
| Sep 8, 5:37 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington | 3 hr |
| Sep 8, 6:00 AM EDT | Areal Flood Advisory | CTP | Adams, Lancaster, York | 3 hr |
| Sep 8, 8:15 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Philadelphia | 119 min |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Fayette, Washington, Westmoreland | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Allegheny, Washington, Westmoreland | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Allegheny | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Fayette | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Allegheny, Westmoreland | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Allegheny | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Allegheny | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Beaver | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Beaver | 36 hr |
| Sep 8, 11:25 AM EDT | River Flood Watch | PBZ | Indiana, Westmoreland | 36 hr |
| Sep 9, 12:05 AM EDT | Coastal Flood Warning | PHI | Bucks, Delaware, Philadelphia | 54 hr |
| Sep 9, 3:52 AM EDT | Areal Flood Advisory | CTP | Adams, Bedford, Cambria, Cumberland, Franklin, Fulton and 3 more | 3 hr |
| Sep 9, 5:04 AM EDT | Coastal Flood Watch | PHI | Bucks, Delaware, Philadelphia | 11 hr |
| Sep 9, 7:37 AM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Fulton, Huntingdon, Somerset | 3 hr |
| Sep 9, 9:24 AM EDT | River Flood Warning | CTP | Blair, Huntingdon | 57 hr |
| Sep 9, 9:27 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin, Fulton, Huntingdon, Lancaster and 1 more | 63 min |
| Sep 9, 9:29 AM EDT | Areal Flood Warning | PBZ | Fayette, Greene | 6 hr |
| Sep 9, 10:28 AM EDT | Areal Flood Warning | CTP | Adams, Bedford, Blair, Cambria, Cumberland, Franklin and 6 more | 24 hr |
| Sep 9, 10:40 AM EDT | Areal Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 5 hr |
| Sep 9, 11:02 AM EDT | River Flood Warning | CTP | Somerset | 36 hr |
| Sep 9, 11:04 AM EDT | River Flood Watch | PBZ | Fayette, Greene | 12 hr |
| Sep 9, 11:04 AM EDT | River Flood Watch | PBZ | Fayette, Greene | 12 hr |
| Sep 9, 11:21 AM EDT | River Flood Warning | CTP | Cumberland, York | 3 days |
| Sep 9, 11:58 AM EDT | Areal Flood Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 3 hr |
| Sep 9, 12:05 PM EDT | Areal Flood Warning | PBZ | Washington | 3 hr |
| Sep 9, 1:17 PM EDT | River Flood Warning | CTP | Huntingdon | 42 hr |
| Sep 9, 3:00 PM EDT | Areal Flood Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Indiana, Washington and 1 more | 18 hr |
| Sep 9, 3:05 PM EDT | Areal Flood Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 18 hr |
| Sep 9, 3:05 PM EDT | River Flood Warning | PBZ | Indiana, Westmoreland | 40 hr |
| Sep 9, 3:48 PM EDT | River Flood Warning | PBZ | Fayette, Greene | 28 hr |
| Sep 9, 3:48 PM EDT | River Flood Warning | PBZ | Fayette, Greene | 28 hr |
| Sep 9, 3:48 PM EDT | River Flood Warning | PBZ | Fayette | 44 hr |
| Sep 9, 3:51 PM EDT | River Flood Warning | CTP | Blair, Huntingdon | 48 hr |
| Sep 9, 4:15 PM EDT | Areal Flood Warning | PBZ | Armstrong, Beaver, Butler, Clarion, Indiana, Jefferson and 2 more | 18 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny | 46 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 44 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 50 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny | 46 hr |
| Sep 9, 5:12 PM EDT | River Flood Warning | PBZ | Allegheny, Westmoreland | 44 hr |
| Sep 9, 9:48 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Lawrence and 2 more | 116 min |
| Sep 9, 10:55 PM EDT | River Flood Warning | PBZ | Allegheny | 39 hr |
| Sep 9, 10:55 PM EDT | River Flood Warning | PBZ | Beaver | 47 hr |
| Sep 9, 10:55 PM EDT | River Flood Warning | PBZ | Beaver | 52 hr |
| Sep 9, 11:44 PM EDT | Areal Flood Warning | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Lawrence and 2 more | 12 hr |
| Sep 10, 2:41 AM EDT | Areal Flood Warning | CTP | Blair, Cambria, Centre, Clearfield, Cumberland, Dauphin and 6 more | 9 hr |
| Sep 10, 5:02 AM EDT | Coastal Flood Watch | PHI | Bucks, Delaware, Philadelphia | 11 hr |
| Sep 10, 6:27 AM EDT | River Flood Warning | CTP | Huntingdon | 36 hr |
| Sep 10, 10:19 AM EDT | Areal Flood Warning | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 8 more | 9 hr |
| Sep 10, 10:36 AM EDT | River Flood Warning | CTP | Centre, Clinton | 3 days |
| Sep 10, 10:38 AM EDT | Areal Flood Advisory | BGM | Bradford | 4 hr |
| Sep 10, 11:02 AM EDT | Areal Flood Warning | PBZ | Allegheny, Armstrong, Fayette, Greene, Indiana, Washington and 1 more | 6 hr |
| Sep 10, 11:17 AM EDT | River Flood Warning | CTP | Cumberland | 49 hr |
| Sep 10, 1:55 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Sep 10, 2:28 PM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Columbia, Lycoming, Mifflin, Montour and 3 more | 5 hr |
| Sep 10, 2:44 PM EDT | Areal Flood Warning | PBZ | Beaver | 18 hr |
| Sep 10, 3:03 PM EDT | Areal Flood Warning | PBZ | Jefferson | 7 hr |
| Sep 10, 3:43 PM EDT | River Flood Warning | PBZ | Allegheny | 25 hr |
| Sep 10, 4:08 PM EDT | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 13 hr |
| Sep 10, 4:57 PM EDT | Areal Flood Warning | PBZ | Allegheny, Armstrong, Fayette, Greene, Indiana, Washington and 1 more | 18 hr |
| Sep 10, 5:00 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Sep 10, 9:19 PM EDT | Areal Flood Advisory | CTP | Centre, Clearfield | 3 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Centre, Clinton | 8 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Clinton | 31 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Lycoming | 36 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Lycoming | 34 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Lycoming, Northumberland, Union | 38 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Northumberland, Union | 36 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Northumberland, Union | 40 hr |
| Sep 10, 10:44 PM EDT | River Flood Warning | CTP | Northumberland, Union | 49 hr |
| Sep 11, 12:13 AM EDT | Areal Flood Advisory | CTP | Centre, Clearfield | 3 hr |
| Sep 11, 5:12 AM EDT | River Flood Warning | CTP | Juniata, Mifflin | 17 hr |
| Sep 11, 5:12 AM EDT | River Flood Warning | CTP | Dauphin | 49 hr |
| Sep 11, 5:48 AM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 14 hr |
| Sep 11, 11:17 AM EDT | River Flood Advisory | PBZ | Allegheny | 28 hr |
| Sep 11, 6:20 PM EDT | Areal Flood Advisory | PHI | Berks | 115 min |
| Sep 12, 2:05 AM EDT | Dense Fog Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 8 hr |
| Sep 12, 10:27 AM EDT | Areal Flood Advisory | CTP | Fulton | 2 hr |
| Sep 12, 4:36 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 12, 5:07 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 4 hr |
| Sep 13, 4:54 AM EDT | Areal Flood Advisory | CTP | Franklin, Fulton | 51 min |
| Sep 13, 5:44 AM EDT | Areal Flood Advisory | CTP | Franklin, Fulton | 61 min |
| Sep 13, 6:36 AM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan | 114 min |
| Sep 13, 6:45 AM EDT | Areal Flood Advisory | CTP | Franklin, Fulton | 2 hr |
| Sep 13, 8:21 AM EDT | Areal Flood Advisory | BGM | Bradford | 114 min |
| Sep 13, 5:19 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Sep 16, 7:11 AM EDT | Dense Fog Advisory | CTP | Adams, Cameron, Centre, Clearfield, Clinton, Columbia and 20 more | 3 hr |
| Sep 17, 3:50 AM EDT | Flood Watch | PBZ | Fayette, Jefferson, Westmoreland | 15 hr |
| Sep 17, 4:10 AM EDT | Flash Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 32 hr |
| Sep 17, 4:51 AM EDT | Flash Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 26 more | 31 hr |
| Sep 17, 2:45 PM EDT | Special Weather Statement | PHI | Chester | 45 min |
| Sep 17, 2:49 PM EDT | Special Weather Statement | CTP | Franklin | 41 min |
| Sep 17, 3:06 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 39 min |
| Sep 17, 5:26 PM EDT | Special Weather Statement | CTP | Cumberland | 49 min |
| Sep 17, 6:13 PM EDT | Special Weather Statement | CTP | Bedford, Cambria | 47 min |
| Sep 17, 6:58 PM EDT | Special Weather Statement | CTP | Lancaster, York | 62 min |
| Sep 17, 8:09 PM EDT | Special Weather Statement | CTP | Dauphin | 66 min |
| Sep 17, 9:38 PM EDT | Special Weather Statement | CTP | Adams | 67 min |
| Sep 17, 10:53 PM EDT | Areal Flood Advisory | BGM | Bradford | 4 hr |
| Sep 18, 12:48 AM EDT | Special Weather Statement | CTP | York | 57 min |
| Sep 18, 12:56 AM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna | 3 hr |
| Sep 18, 1:13 AM EDT | Special Weather Statement | PHI | Chester | 62 min |
| Sep 18, 1:40 AM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Sep 18, 1:46 AM EDT | Flash Flood Warning | BGM | Bradford, Susquehanna | 3 hr |
| Sep 18, 2:02 AM EDT | Areal Flood Warning | CTP | Potter, Tioga | 6 hr |
| Sep 18, 2:09 AM EDT | Special Weather Statement | PHI | Chester, Delaware, Montgomery, Philadelphia | 81 min |
| Sep 18, 2:20 AM EDT | Flash Flood Warning | CTP | Lancaster, York | 3 hr |
| Sep 18, 2:38 AM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 4 hr |
| Sep 18, 3:28 AM EDT | Dense Fog Advisory | CLE | Crawford, Erie | 7 hr |
| Sep 18, 4:13 AM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 92 min |
| Sep 18, 4:47 AM EDT | Areal Flood Warning | BGM | Bradford | 6 hr |
| Sep 18, 5:14 AM EDT | Flash Flood Warning | BGM | Luzerne | 2 hr |
| Sep 18, 5:36 AM EDT | Areal Flood Advisory | BGM | Pike | 6 hr |
| Sep 18, 5:41 AM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Snyder | 3 hr |
| Sep 18, 5:59 AM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne | 5 hr |
| Sep 18, 6:27 AM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 4 hr |
| Sep 18, 7:15 AM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 3 hr |
| Sep 18, 8:57 AM EDT | Areal Flood Advisory | CTP | Columbia, Lebanon, Schuylkill | 2 hr |
| Sep 18, 9:27 AM EDT | Flash Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 6 hr |
| Sep 18, 10:28 AM EDT | River Flood Warning | BGM | Bradford | 37 hr |
| Sep 18, 10:57 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 18, 12:36 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 21, 4:02 AM EDT | Beach Hazards Statement | CLE | Erie | 35 hr |
| Sep 21, 3:37 PM EDT | Mesoscale Discussion | SPC | Crawford, Erie, Lawrence, Mercer, Venango | 83 min |
| Sep 21, 4:32 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more | 4 hr |
| Sep 21, 4:50 PM EDT | Severe Thunderstorm Watch | SPC | Cameron, Clearfield, Elk, McKean, Potter, Warren | 6 hr |
| Sep 21, 5:00 PM EDT | Special Weather Statement | CLE | Crawford, Erie | 60 min |
| Sep 21, 5:29 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 2 hr |
| Sep 21, 5:47 PM EDT | Special Weather Statement | PBZ | Mercer | 43 min |
| Sep 21, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk, McKean, Warren | 60 min |
| Sep 21, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Lawrence, Mercer and 1 more | 43 min |
| Sep 21, 6:36 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Washington | 39 min |
| Sep 21, 6:53 PM EDT | Tornado Warning | PBZ | Clarion, Forest, Venango | 37 min |
| Sep 21, 7:04 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 21 more | 116 min |
| Sep 21, 7:09 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Lawrence | 51 min |
| Sep 21, 7:14 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Mercer and 1 more | 46 min |
| Sep 21, 7:37 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean, Potter | 83 min |
| Sep 21, 7:44 PM EDT | Special Weather Statement | PBZ | Allegheny | 31 min |
| Sep 21, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 47 min |
| Sep 21, 8:03 PM EDT | Special Weather Statement | CTP | Cameron, Elk | 57 min |
| Sep 21, 8:15 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 45 min |
| Sep 21, 8:20 PM EDT | Special Weather Statement | PBZ | Washington, Westmoreland | 40 min |
| Sep 21, 8:37 PM EDT | Special Weather Statement | CTP | Clearfield | 38 min |
| Sep 21, 8:42 PM EDT | Special Weather Statement | PBZ | Indiana | 33 min |
| Sep 21, 8:50 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 55 min |
| Sep 21, 8:55 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Sep 21, 8:58 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Potter, Tioga | 47 min |
| Sep 21, 8:58 PM EDT | Special Weather Statement | PBZ | Greene, Washington, Westmoreland | 47 min |
| Sep 21, 9:07 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington, Westmoreland | 3 hr |
| Sep 21, 9:14 PM EDT | Special Weather Statement | CTP | Blair, Cambria, Huntingdon | 46 min |
| Sep 21, 9:22 PM EDT | Areal Flood Advisory | CTP | Potter, Tioga | 3 hr |
| Sep 21, 9:24 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Sep 21, 10:09 PM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna | 2 hr |
| Sep 21, 10:16 PM EDT | Special Weather Statement | CTP | Lycoming | 59 min |
| Sep 21, 10:46 PM EDT | Areal Flood Advisory | CTP | Clinton, Columbia, Lycoming, Sullivan, Tioga | 3 hr |
| Sep 21, 10:57 PM EDT | Areal Flood Advisory | BGM | Bradford | 82 min |
| Sep 21, 11:07 PM EDT | Areal Flood Advisory | BGM | Susquehanna | 80 min |
| Sep 23, 2:53 AM EDT | Special Weather Statement | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 3 hr |
| Sep 23, 5:33 AM EDT | Special Weather Statement | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 3 hr |
| Sep 24, 4:27 AM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 42 hr |
| Sep 25, 10:25 AM EDT | Areal Flood Advisory | CTP | Bedford, Cambria, Somerset | 3 hr |
| Sep 25, 11:06 AM EDT | River Flood Advisory | PBZ | Allegheny | 3 days |
| Sep 25, 2:59 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Lehigh, Montgomery | 4 hr |
| Sep 25, 3:50 PM EDT | Beach Hazards Statement | CLE | Erie | 30 hr |
| Sep 25, 4:03 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 25, 4:19 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Sep 25, 5:14 PM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Sep 25, 5:35 PM EDT | Flash Flood Warning | PHI | Bucks, Delaware, Philadelphia | 4 hr |
| Sep 25, 5:38 PM EDT | Mesoscale Discussion | SPC | Philadelphia | 2 hr |
| Sep 25, 9:11 PM EDT | Areal Flood Warning | PHI | Philadelphia | 3 hr |
| Sep 26, 9:42 AM EDT | Special Weather Statement | CTP | Warren | 33 min |
| Sep 26, 2:48 PM EDT | Mesoscale Discussion | SPC | Bradford, Carbon, Centre, Clinton, Columbia, Juniata and 18 more | 2 hr |
| Sep 26, 3:32 PM EDT | Areal Flood Advisory | BGM | Bradford | 118 min |
| Sep 26, 3:40 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Bucks, Chester, Cumberland, Dauphin and 9 more | 3 hr |
| Sep 26, 4:15 PM EDT | Flash Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 4 hr |
| Sep 26, 4:22 PM EDT | Flash Flood Warning | BGM | Bradford | 96 min |
| Sep 26, 4:26 PM EDT | Special Weather Statement | BGM | Wyoming | 49 min |
| Sep 26, 4:32 PM EDT | Areal Flood Advisory | BGM | Susquehanna, Wyoming | 100 min |
| Sep 26, 4:32 PM EDT | Special Weather Statement | BGM | Susquehanna | 43 min |
| Sep 26, 4:41 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan | 3 hr |
| Sep 26, 4:51 PM EDT | Special Weather Statement | CTP | Dauphin | 24 min |
| Sep 26, 4:58 PM EDT | Special Weather Statement | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 62 min |
| Sep 26, 5:02 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 12 more | 4 hr |
| Sep 26, 5:05 PM EDT | Areal Flood Advisory | BGM | Luzerne | 68 min |
| Sep 26, 5:13 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 62 min |
| Sep 26, 5:18 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 117 min |
| Sep 26, 5:56 PM EDT | Special Weather Statement | BGM | Lackawanna, Luzerne, Pike, Wayne | 64 min |
| Sep 26, 6:15 PM EDT | Special Weather Statement | PHI | Northampton | 30 min |
| Sep 26, 6:16 PM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 119 min |
| Sep 26, 6:37 PM EDT | Special Weather Statement | PHI | Chester | 53 min |
| Sep 26, 6:41 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 3 hr |
| Sep 26, 6:45 PM EDT | Special Weather Statement | CTP | Lancaster | 45 min |
| Sep 26, 7:06 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 54 min |
| Sep 26, 7:31 PM EDT | Areal Flood Advisory | PHI | Berks, Chester, Montgomery | 106 min |
| Sep 26, 7:53 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 52 min |
| Sep 26, 8:03 PM EDT | Special Weather Statement | PHI | Delaware | 27 min |
| Sep 27, 3:24 AM EDT | Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 27 hr |
| Sep 27, 4:54 AM EDT | Flood Watch | CTP | Adams, Lancaster, York | 23 hr |
| Sep 27, 9:25 PM EDT | Areal Flood Advisory | CTP | Bedford, Somerset | 4 hr |
| Sep 27, 10:27 PM EDT | River Flood Advisory | PBZ | Allegheny | 44 hr |
| Sep 28, 12:10 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 13 hr |
| Sep 28, 12:19 AM EDT | Areal Flood Advisory | CTP | Adams, Bedford, Franklin, Fulton | 3 hr |
| Sep 28, 1:44 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 5 hr |
| Sep 28, 3:13 AM EDT | Areal Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Sep 28, 4:59 AM EDT | River Flood Warning | PHI | Chester | 7 hr |
| Sep 28, 5:33 AM EDT | River Flood Warning | PHI | Montgomery | 6 hr |
| Sep 28, 7:32 AM EDT | River Flood Warning | PBZ | Fayette | 4 hr |
| Sep 28, 7:33 AM EDT | Areal Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 5 hr |
| Sep 28, 8:28 AM EDT | River Flood Warning | PHI | Chester, Delaware | 13 hr |
| Sep 28, 8:33 AM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 7 hr |
| Sep 28, 12:31 PM EDT | Areal Flood Warning | PHI | Montgomery, Philadelphia | 2 hr |
| Sep 28, 3:49 PM EDT | Beach Hazards Statement | CLE | Erie | 12 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 | 23 |
| Tornado Warning | 1 |
| Severe Thunderstorm Watch | 3 |
| Mesoscale Discussion | 6 |
| Special Weather Statement | 104 |
| Flooding | |
| Areal Flood Warning | 25 |
| Flash Flood Warning | 14 |
| River Flood Warning | 38 |
| Flash Flood Watch | 5 |
| Flood Watch | 7 |
| River Flood Watch | 12 |
| Areal Flood Advisory | 76 |
| River Flood Advisory | 3 |
| Heat | |
| Heat Advisory | 4 |
| Fog and smoke | |
| Dense Fog Advisory | 3 |
| Coast and beach | |
| Coastal Flood Warning | 1 |
| Coastal Flood Watch | 2 |
| Coastal Flood Advisory | 4 |
| Beach Hazards Statement | 4 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Delaware County34
- Philadelphia County33
- Chester County28
- Bradford County28
- Allegheny County28
- Bucks County27
- Montgomery County26
- York County23
- Washington County23
- Westmoreland County22
- Lancaster County20
- Lycoming County20
- Bedford County19
- Cambria County18
- Northumberland County18
- Adams County18
- Fulton County18
- Columbia County17
- Mercer County16
- Susquehanna County16
- Tioga County16
- Fayette County16
- Franklin County16
- Blair County15
- Luzerne County15
- Wyoming County15
- Centre County15
- Huntingdon County15
- Cumberland County15
- Somerset County14
- Lackawanna County14
- Clinton County14
- Clearfield County14
- Sullivan County14
- Montour County14
- Beaver County14
- Union County13
- Dauphin County13
- Greene County13
- Armstrong County13
27 more counties
- Berks County12
- Indiana County12
- Elk County12
- Jefferson County12
- Wayne County12
- Potter County12
- Cameron County11
- Pike County11
- Schuylkill County11
- Lawrence County11
- Butler County11
- Carbon County11
- Lehigh County10
- Warren County10
- Monroe County10
- Northampton County9
- Erie County9
- Mifflin County9
- Lebanon County9
- McKean County9
- Clarion County9
- Venango County9
- Juniata County8
- Snyder County8
- Forest County8
- Crawford County7
- Perry County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.