Alert archive / Pennsylvania / 2011
Weather alerts in Pennsylvania, March 2011
293 weather alerts in March 2011, 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 March 2011. Tap one for its archive.
- Alerts
- 293
- Warnings
- 168
- Watches
- 44
- Advisories
- 49
- Busiest day
- March 11, 201155 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 |
|---|---|---|---|---|
| Feb 28, 9:13 PM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 8 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny | 16 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny, Clarion | 8 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny | 8 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny, Westmoreland | 11 hr |
| Feb 28, 10:34 PM EST | River Flood Warning | PBZ | Allegheny | 15 hr |
| Mar 3, 11:43 AM EST | Flood Watch | CLE | Crawford, Erie | 50 hr |
| Mar 4, 3:33 AM EST | Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 3 days |
| Mar 4, 3:47 AM EST | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 54 hr |
| Mar 4, 6:04 AM EST | Freezing Rain Advisory | CLE | Crawford, Erie | 4 hr |
| Mar 4, 7:32 AM EST | Freezing Rain Advisory | CTP | Cameron, Elk, McKean, Warren | 3 hr |
| Mar 4, 12:12 PM EST | Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 61 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Allegheny | 41 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Allegheny | 24 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Beaver | 41 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Beaver | 24 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Fayette, Washington, Westmoreland | 13 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Allegheny, Washington, Westmoreland | 13 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Allegheny, Westmoreland | 13 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Allegheny | 37 hr |
| Mar 4, 10:39 PM EST | River Flood Watch | PBZ | Clarion, Forest, Jefferson | 13 hr |
| Mar 5, 3:25 AM EST | Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 48 hr |
| Mar 5, 3:56 AM EST | Winter Storm Watch | BGM | Bradford, Susquehanna | 24 hr |
| Mar 5, 9:15 AM EST | Areal Flood Warning | CLE | Crawford, Erie | 24 hr |
| Mar 5, 10:59 AM EST | Areal Flood Warning | PBZ | Venango | 8 hr |
| Mar 5, 11:19 AM EST | Winter Storm Watch | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 18 hr |
| Mar 5, 11:46 AM EST | River Flood Warning | CTP | Clinton | 23 hr |
| Mar 5, 1:48 PM EST | Flood Watch | CLE | Crawford, Erie | 7 hr |
| Mar 5, 3:22 PM EST | Winter Weather Advisory | CLE | Crawford, Erie | 21 hr |
| Mar 5, 3:24 PM EST | Winter Storm Watch | PBZ | Clarion, Forest, Jefferson, Mercer, Venango | 4 hr |
| Mar 5, 7:50 PM EST | Winter Weather Advisory | PBZ | Butler, Clarion, Forest, Jefferson, Lawrence, Mercer and 1 more | 19 hr |
| Mar 5, 10:50 PM EST | Winter Weather Advisory | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 13 more | 32 hr |
| Mar 6, 3:30 AM EST | Coastal Flood Statement | PHI | Delaware, Philadelphia | 17 hr |
| Mar 6, 3:37 AM EST | Winter Weather Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 28 hr |
| Mar 6, 4:11 AM EST | Winter Storm Warning | BGM | Bradford | 31 hr |
| Mar 6, 4:11 AM EST | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 31 hr |
| Mar 6, 4:51 AM EST | Winter Storm Warning | CTP | Clinton, Lycoming, Potter, Sullivan, Tioga | 26 hr |
| Mar 6, 6:40 AM EST | River Flood Warning | BGM | Susquehanna | 44 hr |
| Mar 6, 6:40 AM EST | River Flood Warning | BGM | Bradford | 52 hr |
| Mar 6, 6:58 AM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 21 hr |
| Mar 6, 6:59 AM EST | River Flood Warning | CTP | Elk | 8 hr |
| Mar 6, 8:59 AM EST | Areal Flood Warning | CLE | Crawford | 6 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny, Clarion | 18 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny | 18 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny, Westmoreland | 19 hr |
| Mar 6, 10:05 AM EST | River Flood Warning | PBZ | Allegheny | 23 hr |
| Mar 6, 11:53 AM EST | Flash Flood Warning | BGM | Wyoming | 6 hr |
| Mar 6, 12:36 PM EST | Areal Flood Warning | PBZ | Forest | 8 hr |
| Mar 6, 12:59 PM EST | Mesoscale Discussion | SPC | Bradford, Carbon, Columbia, Dauphin, Huntingdon, Juniata and 15 more | 4 hr |
| Mar 6, 1:56 PM EST | Areal Flood Warning | CTP | Columbia, Lycoming, Sullivan, Tioga | 6 hr |
| Mar 6, 2:19 PM EST | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 6 hr |
| Mar 6, 2:41 PM EST | Winter Weather Advisory | PBZ | Fayette, Westmoreland | 6 hr |
| Mar 6, 2:50 PM EST | Areal Flood Advisory | CTP | Adams, Bedford, Blair, Centre, Clearfield, Clinton and 18 more | 4 hr |
| Mar 6, 3:06 PM EST | Areal Flood Advisory | CTP | Adams, Bedford, Blair, Centre, Clearfield, Clinton and 18 more | 4 hr |
| Mar 6, 3:14 PM EST | Special Weather Statement | PHI | Chester, Delaware, Montgomery | 61 min |
| Mar 6, 3:22 PM EST | Areal Flood Warning | BGM | Lackawanna | 12 hr |
| Mar 6, 3:24 PM EST | River Flood Warning | PBZ | Allegheny | 17 hr |
| Mar 6, 3:32 PM EST | Areal Flood Warning | PHI | Berks, Monroe | 41 days |
| Mar 6, 4:02 PM EST | Areal Flood Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne | 3 hr |
| Mar 6, 4:19 PM EST | River Flood Warning | CTP | Centre, Snyder, Union | 6 hr |
| Mar 6, 4:55 PM EST | Areal Flood Warning | PHI | Carbon, Lehigh, Northampton | 12 hr |
| Mar 6, 5:15 PM EST | River Flood Warning | BGM | Bradford | 10 hr |
| Mar 6, 5:15 PM EST | River Flood Warning | BGM | Wyoming | 10 hr |
| Mar 6, 5:15 PM EST | River Flood Warning | BGM | Luzerne | 17 hr |
| Mar 6, 5:33 PM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Mar 6, 5:37 PM EST | Special Weather Statement | PBZ | Westmoreland | 113 min |
| Mar 6, 6:16 PM EST | River Flood Warning | CTP | Cumberland, York | 10 hr |
| Mar 6, 7:32 PM EST | Mesoscale Discussion | SPC | Bradford, Lackawanna, Susquehanna, Wayne, Wyoming | 4 hr |
| Mar 6, 8:00 PM EST | Areal Flood Advisory | CTP | Adams, Bedford, Blair, Centre, Clearfield, Clinton and 18 more | 6 hr |
| Mar 6, 8:09 PM EST | River Flood Warning | CLE | Crawford | 20 hr |
| Mar 6, 8:22 PM EST | Areal Flood Advisory | BGM | Pike | 8 hr |
| Mar 6, 8:41 PM EST | River Flood Warning | BGM | Wyoming | 7 hr |
| Mar 6, 9:30 PM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 7 hr |
| Mar 6, 9:31 PM EST | Areal Flood Warning | PHI | Carbon, Monroe | 6 hr |
| Mar 6, 9:44 PM EST | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 25 hr |
| Mar 6, 9:44 PM EST | River Flood Warning | CTP | Dauphin, Lebanon | 30 hr |
| Mar 6, 10:11 PM EST | Areal Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 9 hr |
| Mar 6, 11:29 PM EST | Areal Flood Advisory | PHI | Berks | 5 hr |
| Mar 7, 1:25 AM EST | River Flood Warning | PHI | Bucks | 9 hr |
| Mar 7, 3:18 AM EST | Areal Flood Advisory | PHI | Monroe | 3 hr |
| Mar 7, 3:55 AM EST | River Flood Warning | PHI | Monroe | 5 hr |
| Mar 7, 8:52 AM EST | River Flood Warning | PHI | Northampton | 17 hr |
| Mar 7, 8:52 AM EST | River Flood Warning | PHI | Bucks | 17 hr |
| Mar 7, 8:55 AM EST | River Flood Warning | PHI | Monroe, Northampton | 11 hr |
| Mar 7, 11:49 AM EST | River Flood Warning | CTP | Dauphin | 23 hr |
| Mar 7, 12:08 PM EST | River Flood Advisory | PBZ | Allegheny | 71 hr |
| Mar 7, 6:19 PM EST | Areal Flood Warning | PHI | Monroe | 5 hr |
| Mar 8, 4:18 AM EST | Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 3 days |
| Mar 8, 4:25 AM EST | Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 27 more | 66 hr |
| Mar 8, 2:18 PM EST | Winter Weather Advisory | CTP | Bedford, Blair, Cambria, Cameron, Centre, Clearfield and 5 more | 38 hr |
| Mar 8, 2:21 PM EST | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 52 hr |
| Mar 8, 9:53 PM EST | River Flood Watch | PBZ | Allegheny | 38 hr |
| Mar 8, 9:53 PM EST | River Flood Watch | PBZ | Fayette, Washington, Westmoreland | 38 hr |
| Mar 8, 9:53 PM EST | River Flood Watch | PBZ | Allegheny, Washington, Westmoreland | 38 hr |
| Mar 8, 9:53 PM EST | River Flood Watch | PBZ | Allegheny | 38 hr |
| Mar 8, 9:53 PM EST | River Flood Watch | PBZ | Indiana, Westmoreland | 30 hr |
| Mar 8, 9:53 PM EST | River Flood Watch | PBZ | Fayette | 63 hr |
| Mar 8, 9:53 PM EST | River Flood Watch | PBZ | Allegheny, Westmoreland | 13 hr |
| Mar 9, 3:47 AM EST | Winter Weather Advisory | PHI | Carbon, Monroe | 27 hr |
| Mar 9, 10:06 AM EST | Wind Advisory | CLE | Erie | 12 hr |
| Mar 9, 11:56 AM EST | Flood Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 42 hr |
| Mar 9, 2:41 PM EST | Winter Storm Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 25 hr |
| Mar 9, 2:41 PM EST | Coastal Flood Watch | PHI | Delaware, Philadelphia | 24 hr |
| Mar 9, 3:19 PM EST | Winter Storm Watch | CLE | Crawford, Erie | 24 hr |
| Mar 9, 4:23 PM EST | River Flood Watch | PBZ | Beaver | 19 hr |
| Mar 9, 4:23 PM EST | River Flood Watch | PBZ | Beaver | 19 hr |
| Mar 9, 9:56 PM EST | River Flood Watch | PBZ | Allegheny | 14 hr |
| Mar 10, 2:10 AM EST | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 5 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Columbia | 4 days |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Columbia, Montour, Northumberland | 4 days |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Centre, Snyder, Union | 49 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Cumberland | 63 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Cumberland, York | 61 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 54 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Dauphin, Lebanon | 63 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Dauphin | 70 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Lancaster, York | 24 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Lycoming, Sullivan | 30 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Blair, Huntingdon | 38 hr |
| Mar 10, 4:45 AM EST | River Flood Warning | CTP | Huntingdon | 45 hr |
| Mar 10, 7:28 AM EST | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Monroe and 3 more | 6 hr |
| Mar 10, 9:00 AM EST | Areal Flood Warning | CLE | Crawford, Erie | 10 hr |
| Mar 10, 10:09 AM EST | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Juniata, Lancaster and 4 more | 3 hr |
| Mar 10, 10:42 AM EST | Areal Flood Advisory | CTP | Columbia, Huntingdon, Juniata, Lycoming, Montour, Northumberland and 5 more | 4 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny | 49 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny | 44 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Beaver | 44 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Beaver | 50 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Fayette, Washington, Westmoreland | 11 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny, Washington, Westmoreland | 11 hr |
| Mar 10, 11:18 AM EST | River Flood Warning | PBZ | Allegheny | 11 hr |
| Mar 10, 11:35 AM EST | River Flood Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Union | 64 hr |
| Mar 10, 11:35 AM EST | River Flood Warning | CTP | Cumberland, Dauphin, Juniata, Lancaster, Northumberland, Perry and 2 more | 3 days |
| Mar 10, 11:35 AM EST | River Flood Warning | CTP | Lancaster, York | 4 days |
| Mar 10, 12:48 PM EST | Areal Flood Warning | PBZ | Allegheny, Beaver, Greene, Washington | 22 hr |
| Mar 10, 1:09 PM EST | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Huntingdon, Lancaster, Lebanon and 2 more | 6 hr |
| Mar 10, 1:17 PM EST | Areal Flood Advisory | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 5 hr |
| Mar 10, 1:29 PM EST | River Flood Warning | CTP | Perry | 27 hr |
| Mar 10, 2:49 PM EST | Areal Flood Advisory | CTP | Columbia, Juniata, Lebanon, Lycoming, Montour, Northumberland and 6 more | 4 hr |
| Mar 10, 2:51 PM EST | Winter Storm Warning | CLE | Crawford, Erie | 31 hr |
| Mar 10, 3:00 PM EST | Areal Flood Warning | PBZ | Butler, Lawrence, Mercer, Venango | 20 hr |
| Mar 10, 3:02 PM EST | Coastal Flood Warning | PHI | Delaware, Philadelphia | 17 hr |
| Mar 10, 3:28 PM EST | Areal Flood Warning | CTP | Bedford, Somerset | 6 hr |
| Mar 10, 3:51 PM EST | Winter Storm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Mercer, Venango and 1 more | 26 hr |
| Mar 10, 3:51 PM EST | Winter Weather Advisory | PBZ | Armstrong, Clarion, Fayette, Forest, Greene, Jefferson and 1 more | 26 hr |
| Mar 10, 3:54 PM EST | Areal Flood Advisory | PBZ | Armstrong, Clarion, Forest, Indiana, Jefferson | 7 hr |
| Mar 10, 4:31 PM EST | Areal Flood Warning | CTP | Adams, Blair, Cambria, Centre, Clearfield, Cumberland and 9 more | 10 hr |
| Mar 10, 4:36 PM EST | Areal Flood Warning | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 3 more | 37 hr |
| Mar 10, 4:46 PM EST | Special Weather Statement | CTP | Bedford, Blair, Cambria | 44 min |
| Mar 10, 4:55 PM EST | River Flood Warning | PHI | Chester | 17 hr |
| Mar 10, 5:11 PM EST | Areal Flood Warning | CTP | Cameron, Clinton, Columbia, Dauphin, Elk, Lancaster and 10 more | 12 hr |
| Mar 10, 5:17 PM EST | Wind Advisory | PHI | Delaware, Philadelphia | 5 hr |
| Mar 10, 5:20 PM EST | Special Weather Statement | CTP | Blair, Cambria | 25 min |
| Mar 10, 6:12 PM EST | Flash Flood Warning | BGM | Bradford, Wyoming | 6 hr |
| Mar 10, 6:18 PM EST | Areal Flood Advisory | BGM | Luzerne | 6 hr |
| Mar 10, 6:33 PM EST | Flash Flood Warning | BGM | Luzerne | 6 hr |
| Mar 10, 6:48 PM EST | Areal Flood Warning | CLE | Crawford, Erie | 41 hr |
| Mar 10, 7:24 PM EST | Special Weather Statement | CTP | Adams | 36 min |
| Mar 10, 7:55 PM EST | Special Weather Statement | CTP | Cumberland, Dauphin, Lancaster, Lebanon, York | 65 min |
| Mar 10, 8:02 PM EST | River Flood Warning | PHI | Chester, Delaware | 22 hr |
| Mar 10, 8:06 PM EST | River Flood Warning | CTP | Warren | 4 days |
| Mar 10, 8:52 PM EST | River Flood Warning | BGM | Bradford | 13 hr |
| Mar 10, 8:58 PM EST | River Flood Warning | BGM | Susquehanna | 3 days |
| Mar 10, 8:58 PM EST | River Flood Warning | BGM | Bradford | 4 days |
| Mar 10, 8:58 PM EST | River Flood Warning | BGM | Wyoming | 24 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Berks, Montgomery | 23 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Berks | 23 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Montgomery | 30 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 12 hr |
| Mar 10, 9:31 PM EST | River Flood Warning | PHI | Montgomery, Philadelphia | 18 hr |
| Mar 10, 9:35 PM EST | River Flood Warning | PHI | Bucks | 14 hr |
| Mar 10, 9:37 PM EST | River Flood Warning | PHI | Monroe | 28 hr |
| Mar 10, 9:37 PM EST | River Flood Warning | PHI | Monroe | 12 hr |
| Mar 10, 9:41 PM EST | River Flood Warning | PHI | Montgomery | 12 hr |
| Mar 10, 9:43 PM EST | River Flood Warning | PHI | Lehigh, Northampton | 23 hr |
| Mar 10, 9:54 PM EST | Areal Flood Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 12 hr |
| Mar 10, 10:10 PM EST | River Flood Warning | PHI | Delaware | 3 hr |
| Mar 10, 10:12 PM EST | River Flood Warning | PHI | Carbon | 13 hr |
| Mar 10, 11:47 PM EST | Areal Flood Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 12 hr |
| Mar 11, 12:11 AM EST | Flash Flood Warning | BGM | Bradford, Wyoming | 4 hr |
| Mar 11, 12:16 AM EST | Flash Flood Warning | BGM | Luzerne | 4 hr |
| Mar 11, 12:22 AM EST | River Flood Warning | CTP | Blair, Huntingdon | 10 hr |
| Mar 11, 12:30 AM EST | Areal Flood Advisory | BGM | Lackawanna, Pike, Susquehanna, Wayne | 6 hr |
| Mar 11, 1:01 AM EST | Winter Weather Advisory | CTP | Cambria, Clearfield, Elk, McKean, Somerset, Warren | 21 hr |
| Mar 11, 1:12 AM EST | River Flood Warning | CTP | Clinton | 20 hr |
| Mar 11, 2:26 AM EST | Areal Flood Warning | CTP | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 11 more | 8 hr |
| Mar 11, 2:48 AM EST | Flash Flood Warning | BGM | Pike | 4 hr |
| Mar 11, 2:56 AM EST | River Flood Warning | PHI | Lehigh, Northampton | 12 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Monroe, Northampton | 31 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Northampton | 40 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 40 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 38 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 38 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 31 hr |
| Mar 11, 3:17 AM EST | River Flood Warning | PHI | Bucks | 38 hr |
| Mar 11, 4:11 AM EST | Areal Flood Warning | BGM | Luzerne | 2 hr |
| Mar 11, 4:27 AM EST | River Flood Warning | CTP | Northumberland, Union | 35 hr |
| Mar 11, 4:27 AM EST | River Flood Warning | CTP | Northumberland, Union | 37 hr |
| Mar 11, 4:27 AM EST | River Flood Warning | PBZ | Clarion, Forest, Jefferson | 38 hr |
| Mar 11, 4:52 AM EST | Areal Flood Warning | CTP | Clinton, Columbia, Dauphin, Lancaster, Lebanon, Lycoming and 6 more | 8 hr |
| Mar 11, 4:58 AM EST | River Flood Warning | BGM | Bradford | 39 hr |
| Mar 11, 4:58 AM EST | River Flood Warning | BGM | Wyoming | 46 hr |
| Mar 11, 4:58 AM EST | River Flood Warning | BGM | Luzerne | 56 hr |
| Mar 11, 7:35 AM EST | River Flood Warning | CTP | Lycoming | 27 hr |
| Mar 11, 7:35 AM EST | River Flood Warning | CTP | Lycoming, Northumberland, Union | 27 hr |
| Mar 11, 10:02 AM EST | River Flood Warning | CTP | Lycoming | 6 hr |
| Mar 11, 10:03 AM EST | River Flood Warning | PBZ | Allegheny | 21 hr |
| Mar 11, 10:47 AM EST | Areal Flood Warning | PBZ | Allegheny, Beaver | 11 hr |
| Mar 11, 11:05 AM EST | Areal Flood Warning | PBZ | Lawrence | 11 hr |
| Mar 11, 3:42 PM EST | River Flood Warning | BGM | Wayne | 15 hr |
| Mar 11, 3:42 PM EST | River Flood Warning | BGM | Pike | 15 hr |
| Mar 11, 5:47 PM EST | River Flood Warning | PHI | Monroe | 13 hr |
| Mar 12, 3:00 AM EST | Coastal Flood Statement | PHI | Delaware, Philadelphia | 5 hr |
| Mar 12, 11:59 AM EST | Areal Flood Advisory | CLE | Crawford | 24 hr |
| Mar 12, 3:28 PM EST | River Flood Advisory | PBZ | Allegheny | 7 days |
| Mar 18, 10:37 PM EDT | River Flood Warning | BGM | Bradford | 41 hr |
| Mar 20, 4:03 AM EDT | Winter Weather Advisory | PHI | Carbon, Monroe, Northampton | 29 hr |
| Mar 21, 4:03 AM EDT | Special Weather Statement | PBZ | Allegheny, Armstrong, Fayette, Greene, Indiana, Jefferson and 2 more | 57 min |
| Mar 21, 4:27 AM EDT | Special Weather Statement | CTP | Bedford, Blair, Cambria, Clearfield, Somerset | 63 min |
| Mar 21, 6:12 AM EDT | Special Weather Statement | PHI | Chester, Delaware | 63 min |
| Mar 21, 9:58 AM EDT | River Flood Warning | BGM | Bradford | 12 hr |
| Mar 21, 3:42 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 63 min |
| Mar 21, 5:10 PM EDT | Special Weather Statement | PBZ | Greene | 65 min |
| Mar 21, 5:14 PM EDT | Special Weather Statement | PBZ | Washington | 61 min |
| Mar 21, 5:16 PM EDT | Special Weather Statement | PBZ | Westmoreland | 44 min |
| Mar 21, 5:48 PM EDT | Special Weather Statement | CTP | Somerset | 57 min |
| Mar 21, 6:05 PM EDT | Special Weather Statement | PBZ | Westmoreland | 55 min |
| Mar 21, 6:11 PM EDT | Special Weather Statement | CTP | Somerset | 64 min |
| Mar 21, 6:20 PM EDT | Special Weather Statement | PBZ | Fayette | 55 min |
| Mar 21, 6:25 PM EDT | Special Weather Statement | PBZ | Westmoreland | 65 min |
| Mar 21, 7:05 PM EDT | Special Weather Statement | CTP | Bedford, Somerset | 55 min |
| Mar 21, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 32 min |
| Mar 21, 7:57 PM EDT | Special Weather Statement | CTP | Somerset | 33 min |
| Mar 22, 3:43 AM EDT | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 12 hr |
| Mar 22, 3:48 AM EDT | Winter Storm Watch | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 12 hr |
| Mar 22, 3:51 AM EDT | Winter Storm Watch | CTP | Cameron, Clinton, Columbia, Lycoming, McKean, Potter and 3 more | 12 hr |
| Mar 22, 3:35 PM EDT | Winter Storm Warning | PHI | Carbon, Monroe, Northampton | 36 hr |
| Mar 22, 3:35 PM EDT | Winter Weather Advisory | PHI | Berks, Lehigh, Northampton | 19 hr |
| Mar 22, 3:49 PM EDT | Winter Storm Warning | CTP | Columbia, Lycoming, Potter, Sullivan, Tioga | 22 hr |
| Mar 22, 3:49 PM EDT | Winter Weather Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 7 more | 22 hr |
| Mar 22, 3:57 PM EDT | Winter Storm Warning | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 30 hr |
| Mar 22, 3:57 PM EDT | Winter Weather Advisory | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 39 hr |
| Mar 23, 3:32 AM EDT | Mesoscale Discussion | SPC | Bradford, Carbon, Columbia, Lackawanna, Lehigh, Luzerne and 11 more | 4 hr |
| Mar 23, 1:13 PM EDT | Tornado Watch | SPC | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 7 hr |
| Mar 23, 2:15 PM EDT | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 18 hr |
| Mar 23, 2:50 PM EDT | Freezing Rain Advisory | CLE | Crawford, Erie | 13 hr |
| Mar 23, 3:16 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 59 min |
| Mar 23, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 54 min |
| Mar 23, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Indiana, Westmoreland | 60 min |
| Mar 23, 3:47 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 58 min |
| Mar 23, 3:53 PM EDT | Special Weather Statement | CTP | Bedford, Somerset | 52 min |
| Mar 23, 3:54 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 10 more | 96 min |
| Mar 23, 4:09 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 66 min |
| Mar 23, 4:13 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Cumberland, Franklin and 6 more | 5 hr |
| Mar 23, 4:18 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 27 min |
| Mar 23, 4:20 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 40 min |
| Mar 23, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 65 min |
| Mar 23, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 29 min |
| Mar 23, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Westmoreland | 56 min |
| Mar 23, 4:37 PM EDT | Tornado Warning | PBZ | Westmoreland | 23 min |
| Mar 23, 4:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 63 min |
| Mar 23, 4:54 PM EDT | Tornado Warning | PBZ | Indiana, Westmoreland | 36 min |
| Mar 23, 4:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Washington, Westmoreland | 65 min |
| Mar 23, 5:01 PM EDT | Special Weather Statement | CTP | Blair | 29 min |
| Mar 23, 5:09 PM EDT | Tornado Warning | CTP | Cambria, Somerset | 36 min |
| Mar 23, 5:14 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 47 min |
| Mar 23, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 42 min |
| Mar 23, 5:25 PM EDT | Special Weather Statement | CTP | Clearfield | 35 min |
| Mar 23, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 39 min |
| Mar 23, 5:29 PM EDT | Winter Weather Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 5 more | 4 hr |
| Mar 23, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Huntingdon, Juniata, Mifflin, Perry | 39 min |
| Mar 23, 5:38 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 22 min |
| Mar 23, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cambria, Somerset | 31 min |
| Mar 23, 5:46 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 59 min |
| Mar 23, 6:02 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 45 min |
| Mar 23, 6:04 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 26 min |
| Mar 23, 6:13 PM EDT | Special Weather Statement | CTP | Fulton | 32 min |
| Mar 23, 6:31 PM EDT | Areal Flood Advisory | CTP | Blair, Cambria | 3 hr |
| Mar 23, 6:39 PM EDT | Special Weather Statement | CTP | Cumberland | 36 min |
| Mar 23, 6:53 PM EDT | Special Weather Statement | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 112 min |
| Mar 23, 8:30 PM EDT | Special Weather Statement | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 2 hr |
| Mar 23, 9:30 PM EDT | Winter Weather Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 9 hr |
| Mar 28, 4:35 AM EDT | Red Flag Warning | PHI | Delaware, Philadelphia | 13 hr |
| Mar 28, 6:02 PM EDT | Fire Weather Watch | PHI | Delaware, Philadelphia | 10 hr |
| Mar 29, 4:05 AM EDT | Red Flag Warning | PHI | Delaware, Philadelphia | 14 hr |
| Mar 30, 3:25 PM EDT | Winter Storm Watch | BGM | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 24 hr |
| Mar 30, 3:38 PM EDT | Winter Storm Watch | CTP | Columbia, Schuylkill, Sullivan | 23 hr |
| Mar 30, 3:55 PM EDT | Winter Storm Watch | PHI | Carbon, Lehigh, Monroe, Northampton | 12 hr |
| Mar 31, 3:54 AM EDT | Winter Storm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 24 hr |
| Mar 31, 4:36 AM EDT | Winter Storm Warning | BGM | Pike, Wayne | 23 hr |
| Mar 31, 8:31 AM EDT | Dense Fog Advisory | CLE | Crawford, Erie | 5 hr |
| Mar 31, 2:22 PM EDT | Winter Weather Advisory | CTP | Columbia, Schuylkill, Sullivan | 8 hr |
| Mar 31, 3:59 PM EDT | Winter Weather Advisory | PHI | Lehigh, Northampton | 12 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County44
- Westmoreland County33
- Monroe County27
- Delaware County25
- Northampton County25
- Lycoming County22
- Bradford County22
- Philadelphia County22
- Beaver County21
- Washington County21
- Carbon County20
- Blair County19
- Columbia County19
- Dauphin County19
- Somerset County19
- Fayette County19
- Lehigh County19
- Bedford County18
- Northumberland County18
- Union County18
- Cumberland County17
- Schuylkill County17
- Sullivan County17
- Wyoming County17
- Cambria County16
- Huntingdon County16
- Snyder County16
- Luzerne County16
- Bucks County16
- Clinton County15
- Juniata County15
- Lebanon County15
- Perry County15
- York County15
- Pike County15
- Susquehanna County15
- Berks County15
- Montgomery County15
- Clarion County14
- Crawford County14
27 more counties
- Clearfield County14
- Montour County14
- Wayne County14
- Jefferson County13
- Centre County13
- Lancaster County13
- Tioga County13
- Lackawanna County13
- Chester County13
- Forest County12
- Erie County12
- Potter County12
- Armstrong County12
- Adams County11
- Elk County11
- McKean County11
- Butler County11
- Greene County11
- Cameron County10
- Franklin County10
- Fulton County10
- Mifflin County10
- Warren County10
- Indiana County10
- Lawrence County8
- Venango County8
- Mercer County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.