Alert archive / Pennsylvania / 2009
Weather alerts in Pennsylvania, July 2009
356 weather alerts in July 2009, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in July 2009. Tap one for its archive.
- Alerts
- 356
- Warnings
- 128
- Watches
- 15
- Advisories
- 55
- Busiest day
- July 11, 200946 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Eastern Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 12:03 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 18 more | 87 min |
| Jul 1, 1:16 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 59 min |
| Jul 1, 2:31 PM EDT | Special Weather Statement | CTP | Somerset | 44 min |
| Jul 1, 4:18 PM EDT | Special Weather Statement | CTP | Cambria | 27 min |
| Jul 1, 5:05 PM EDT | Special Weather Statement | CTP | Centre | 25 min |
| Jul 1, 5:31 PM EDT | Special Weather Statement | CTP | Perry | 44 min |
| Jul 1, 6:21 PM EDT | Areal Flood Advisory | BGM | Bradford | 114 min |
| Jul 1, 6:30 PM EDT | Special Weather Statement | CTP | Bedford | 30 min |
| Jul 1, 6:37 PM EDT | Flash Flood Warning | BGM | Bradford | 2 hr |
| Jul 1, 7:05 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 55 min |
| Jul 1, 7:16 PM EDT | Areal Flood Advisory | CTP | Bedford | 119 min |
| Jul 1, 8:11 PM EDT | Special Weather Statement | CTP | York | 49 min |
| Jul 1, 9:04 PM EDT | Special Weather Statement | CTP | Lebanon, Schuylkill | 56 min |
| Jul 1, 10:51 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Jul 1, 11:55 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery | 3 hr |
| Jul 1, 11:58 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| Jul 2, 1:34 AM EDT | Areal Flood Advisory | PHI | Carbon | 3 hr |
| Jul 2, 3:20 PM EDT | Mesoscale Discussion | SPC | Pike | 55 min |
| Jul 2, 5:17 PM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna | 118 min |
| Jul 2, 5:55 PM EDT | Special Weather Statement | CTP | Lebanon | 35 min |
| Jul 2, 6:10 PM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna, Wyoming | 110 min |
| Jul 2, 6:40 PM EDT | Flash Flood Warning | BGM | Bradford | 3 hr |
| Jul 2, 6:41 PM EDT | Special Weather Statement | CTP | Cumberland, Dauphin | 49 min |
| Jul 2, 6:44 PM EDT | Special Weather Statement | CTP | Tioga | 31 min |
| Jul 2, 7:18 PM EDT | Flash Flood Warning | BGM | Wyoming | 3 hr |
| Jul 2, 7:40 PM EDT | Special Weather Statement | CTP | Lancaster | 35 min |
| Jul 2, 7:47 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 43 min |
| Jul 2, 8:18 PM EDT | Special Weather Statement | CTP | Lancaster | 27 min |
| Jul 3, 2:02 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin, Montour, Northumberland, Snyder, Sullivan and 1 more | 88 min |
| Jul 3, 3:08 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| Jul 3, 3:35 PM EDT | Flash Flood Warning | BGM | Luzerne | 5 hr |
| Jul 3, 5:09 PM EDT | Special Weather Statement | CTP | Montour, Northumberland | 36 min |
| Jul 7, 11:05 AM EDT | Severe Thunderstorm Watch | SPC | Carbon, Lehigh, Monroe, Northampton | 8 hr |
| Jul 7, 12:04 PM EDT | Special Weather Statement | CTP | Sullivan | 56 min |
| Jul 7, 12:09 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 66 min |
| Jul 7, 1:01 PM EDT | Special Weather Statement | CTP | Sullivan | 59 min |
| Jul 7, 1:56 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 64 min |
| Jul 7, 2:00 PM EDT | Mesoscale Discussion | SPC | Bucks, Carbon, Lehigh, Monroe, Northampton | 90 min |
| Jul 7, 2:26 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 40 min |
| Jul 7, 2:29 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 61 min |
| Jul 7, 2:39 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne | 21 min |
| Jul 7, 6:35 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 25 min |
| Jul 7, 7:06 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne | 39 min |
| Jul 11, 10:31 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 25 more | 59 min |
| Jul 11, 11:41 AM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 3 hr |
| Jul 11, 12:09 PM EDT | Special Weather Statement | CTP | Blair | 36 min |
| Jul 11, 12:23 PM EDT | Special Weather Statement | CTP | McKean, Warren | 82 min |
| Jul 11, 12:43 PM EDT | Special Weather Statement | CTP | Bedford | 32 min |
| Jul 11, 12:46 PM EDT | Special Weather Statement | CTP | McKean, Warren | 74 min |
| Jul 11, 12:57 PM EDT | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Jul 11, 1:42 PM EDT | Special Weather Statement | CTP | McKean, Potter | 63 min |
| Jul 11, 1:47 PM EDT | Special Weather Statement | CTP | Blair | 43 min |
| Jul 11, 1:57 PM EDT | Special Weather Statement | CTP | Fulton | 63 min |
| Jul 11, 2:04 PM EDT | Special Weather Statement | CTP | Centre, Mifflin | 56 min |
| Jul 11, 2:27 PM EDT | Areal Flood Advisory | CTP | Fulton | 117 min |
| Jul 11, 2:35 PM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga | 117 min |
| Jul 11, 2:48 PM EDT | Special Weather Statement | CTP | Franklin | 57 min |
| Jul 11, 2:59 PM EDT | Special Weather Statement | CTP | Lycoming, Tioga | 76 min |
| Jul 11, 3:01 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 59 min |
| Jul 11, 3:25 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 65 min |
| Jul 11, 3:38 PM EDT | Areal Flood Advisory | CTP | Franklin | 112 min |
| Jul 11, 3:52 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 53 min |
| Jul 11, 3:58 PM EDT | Special Weather Statement | CTP | Adams | 62 min |
| Jul 11, 4:30 PM EDT | Special Weather Statement | CTP | Lycoming | 60 min |
| Jul 11, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Northumberland, Union | 62 min |
| Jul 11, 5:10 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 16 min |
| Jul 11, 5:13 PM EDT | Special Weather Statement | CTP | Columbia, Sullivan | 62 min |
| Jul 11, 5:26 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 34 min |
| Jul 11, 5:28 PM EDT | Tornado Warning | CTP | Lycoming, Northumberland, Union | 32 min |
| Jul 11, 5:38 PM EDT | Special Weather Statement | CTP | Warren | 37 min |
| Jul 11, 5:42 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 63 min |
| Jul 11, 5:44 PM EDT | Tornado Warning | CLE | Crawford | 19 min |
| Jul 11, 5:44 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 61 min |
| Jul 11, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 59 min |
| Jul 11, 5:47 PM EDT | Tornado Warning | PBZ | Forest, Venango | 58 min |
| Jul 11, 5:51 PM EDT | Tornado Warning | CTP | Columbia, Montour, Northumberland | 54 min |
| Jul 11, 5:57 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 63 min |
| Jul 11, 6:07 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield | 42 min |
| Jul 11, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 87 min |
| Jul 11, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clearfield, Huntingdon, Mifflin | 63 min |
| Jul 11, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 62 min |
| Jul 11, 7:05 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 40 min |
| Jul 11, 7:06 PM EDT | Mesoscale Discussion | SPC | Armstrong, Bradford, Butler, Cameron, Centre, Clarion and 20 more | 114 min |
| Jul 11, 7:13 PM EDT | Special Weather Statement | CTP | Adams, Franklin | 62 min |
| Jul 11, 7:17 PM EDT | Tornado Warning | CTP | Elk | 28 min |
| Jul 11, 7:19 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon, Lycoming, Mifflin, Montour and 3 more | 71 min |
| Jul 11, 7:32 PM EDT | Special Weather Statement | CTP | Schuylkill | 58 min |
| Jul 11, 7:44 PM EDT | Special Weather Statement | CTP | Columbia, Dauphin, Montour, Northumberland | 61 min |
| Jul 11, 7:50 PM EDT | Special Weather Statement | CTP | Cameron | 40 min |
| Jul 11, 8:07 PM EDT | Special Weather Statement | CTP | Lancaster | 38 min |
| Jul 11, 8:10 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 49 min |
| Jul 11, 8:16 PM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Wayne, Wyoming | 4 hr |
| Jul 11, 8:28 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Snyder, Union | 62 min |
| Jul 11, 8:38 PM EDT | Areal Flood Advisory | CTP | Dauphin, Juniata, Lebanon, Northumberland, Perry, Schuylkill | 3 hr |
| Jul 11, 8:43 PM EDT | Special Weather Statement | CTP | Schuylkill | 32 min |
| Jul 11, 8:44 PM EDT | Special Weather Statement | CTP | Warren | 46 min |
| Jul 11, 9:05 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Jul 11, 9:06 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, Perry | 54 min |
| Jul 11, 9:20 PM EDT | Special Weather Statement | CTP | Schuylkill | 40 min |
| Jul 11, 9:29 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Schuylkill | 3 hr |
| Jul 11, 9:54 PM EDT | Areal Flood Advisory | CTP | Montour, Northumberland, Snyder, Union | 3 hr |
| Jul 11, 9:55 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 48 min |
| Jul 11, 10:03 PM EDT | Special Weather Statement | CTP | Warren | 27 min |
| Jul 11, 10:05 PM EDT | Special Weather Statement | CTP | Potter, Tioga | 55 min |
| Jul 11, 10:11 PM EDT | Special Weather Statement | CTP | Lancaster | 79 min |
| Jul 11, 10:33 PM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland, Schuylkill, Snyder, Union | 4 hr |
| Jul 11, 10:34 PM EDT | Special Weather Statement | CTP | Warren | 56 min |
| Jul 11, 10:53 PM EDT | Special Weather Statement | CTP | Potter, Tioga | 52 min |
| Jul 11, 11:10 PM EDT | Special Weather Statement | CTP | Cameron, Elk | 65 min |
| Jul 11, 11:27 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter | 48 min |
| Jul 11, 11:45 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon | 3 hr |
| Jul 11, 11:48 PM EDT | Special Weather Statement | CTP | Lancaster | 27 min |
| Jul 12, 1:04 AM EDT | Areal Flood Warning | PHI | Chester | 3 hr |
| Jul 12, 1:19 AM EDT | Areal Flood Warning | PHI | Philadelphia | 3 hr |
| Jul 16, 1:39 PM EDT | Severe Thunderstorm Watch | SPC | Susquehanna, Wayne | 6 hr |
| Jul 16, 3:53 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 31 min |
| Jul 16, 4:04 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lancaster and 5 more | 86 min |
| Jul 16, 4:55 PM EDT | Mesoscale Discussion | SPC | Carbon, Lackawanna, Monroe, Pike, Susquehanna, Wayne | 65 min |
| Jul 16, 5:22 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 53 min |
| Jul 16, 5:54 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wyoming | 30 min |
| Jul 16, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 63 min |
| Jul 16, 7:05 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 70 min |
| Jul 17, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 52 min |
| Jul 17, 6:10 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 80 min |
| Jul 17, 6:18 PM EDT | Mesoscale Discussion | SPC | Bucks, Delaware, Montgomery, Philadelphia | 57 min |
| Jul 17, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 44 min |
| Jul 17, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 53 min |
| Jul 17, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 53 min |
| Jul 17, 7:33 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 86 min |
| Jul 17, 7:49 PM EDT | Special Weather Statement | CTP | Clearfield | 26 min |
| Jul 17, 8:12 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery, Philadelphia | 96 min |
| Jul 17, 8:19 PM EDT | Special Weather Statement | CTP | Cambria, Clearfield | 26 min |
| Jul 17, 9:02 PM EDT | Special Weather Statement | CTP | Blair, Centre, Clinton | 28 min |
| Jul 17, 9:17 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Monroe, Northampton | 3 hr |
| Jul 17, 9:43 PM EDT | Special Weather Statement | CTP | Centre, Huntingdon, Mifflin | 32 min |
| Jul 20, 5:28 PM EDT | Areal Flood Advisory | CTP | Cambria, Clearfield, Somerset | 3 hr |
| Jul 21, 8:24 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 3 hr |
| Jul 21, 8:56 AM EDT | Areal Flood Advisory | CTP | Elk, McKean, Warren | 3 hr |
| Jul 21, 10:44 AM EDT | Flash Flood Watch | CTP | Cambria, Cameron, Clearfield, Elk, McKean, Potter and 3 more | 15 hr |
| Jul 21, 12:16 PM EDT | Flash Flood Warning | CTP | Elk, McKean, Warren | 6 hr |
| Jul 21, 12:32 PM EDT | Areal Flood Advisory | CTP | Columbia, Northumberland, Schuylkill | 3 hr |
| Jul 21, 1:44 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 61 min |
| Jul 21, 1:56 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 38 more | 64 min |
| Jul 21, 2:16 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 59 min |
| Jul 21, 2:55 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 65 min |
| Jul 21, 2:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 61 min |
| Jul 21, 3:16 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 59 min |
| Jul 21, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 63 min |
| Jul 21, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer | 56 min |
| Jul 21, 5:26 PM EDT | Special Weather Statement | CTP | Elk | 64 min |
| Jul 21, 5:31 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 44 min |
| Jul 21, 5:37 PM EDT | Special Weather Statement | CTP | Somerset | 23 min |
| Jul 21, 5:57 PM EDT | Special Weather Statement | CTP | Somerset | 33 min |
| Jul 21, 6:28 PM EDT | Special Weather Statement | CTP | Elk | 47 min |
| Jul 21, 6:33 PM EDT | Special Weather Statement | CTP | Somerset | 42 min |
| Jul 21, 7:09 PM EDT | Areal Flood Advisory | CTP | Cambria | 111 min |
| Jul 21, 7:16 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 29 min |
| Jul 21, 7:32 PM EDT | Special Weather Statement | CTP | Cambria | 28 min |
| Jul 21, 7:55 PM EDT | Special Weather Statement | CTP | Blair | 65 min |
| Jul 21, 8:19 PM EDT | Areal Flood Advisory | CTP | Potter | 116 min |
| Jul 21, 8:29 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Huntingdon | 3 hr |
| Jul 21, 9:02 PM EDT | Special Weather Statement | CTP | Blair, Huntingdon | 58 min |
| Jul 21, 9:06 PM EDT | Flash Flood Warning | CTP | Potter | 4 hr |
| Jul 21, 9:37 PM EDT | Special Weather Statement | CTP | Potter | 23 min |
| Jul 21, 9:47 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin | 58 min |
| Jul 21, 10:00 PM EDT | Areal Flood Advisory | CTP | Huntingdon, Juniata, Mifflin | 2 hr |
| Jul 22, 3:51 PM EDT | Special Weather Statement | CTP | Fulton | 24 min |
| Jul 22, 4:22 PM EDT | Special Weather Statement | CTP | Fulton | 38 min |
| Jul 22, 4:37 PM EDT | Special Weather Statement | CTP | Dauphin | 38 min |
| Jul 22, 4:52 PM EDT | Special Weather Statement | CTP | York | 23 min |
| Jul 22, 7:17 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin, Perry | 110 min |
| Jul 22, 9:02 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Perry, York | 3 hr |
| Jul 22, 9:12 PM EDT | Special Weather Statement | CTP | Cumberland | 33 min |
| Jul 22, 10:15 PM EDT | Areal Flood Advisory | CLE | Crawford, Erie | 10 hr |
| Jul 23, 12:09 AM EDT | Areal Flood Advisory | PBZ | Lawrence, Mercer | 6 hr |
| Jul 23, 1:57 AM EDT | Special Weather Statement | CTP | Union | 63 min |
| Jul 23, 4:03 AM EDT | Areal Flood Advisory | PBZ | Allegheny | 3 hr |
| Jul 23, 5:08 AM EDT | Areal Flood Advisory | CTP | Elk, McKean, Warren | 5 hr |
| Jul 23, 10:09 AM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, York | 3 hr |
| Jul 23, 3:21 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin, Perry, York | 3 hr |
| Jul 23, 3:51 PM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Huntingdon, Mifflin | 3 hr |
| Jul 23, 4:09 PM EDT | Flash Flood Warning | CTP | Cumberland | 4 hr |
| Jul 23, 4:56 PM EDT | Special Weather Statement | CTP | Clinton | 64 min |
| Jul 23, 4:57 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland, Franklin | 3 hr |
| Jul 23, 5:12 PM EDT | Special Weather Statement | CTP | Dauphin | 63 min |
| Jul 23, 5:59 PM EDT | Special Weather Statement | CTP | Lycoming | 46 min |
| Jul 23, 6:06 PM EDT | Special Weather Statement | CTP | Union | 54 min |
| Jul 23, 6:14 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, York | 41 min |
| Jul 23, 6:21 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 54 min |
| Jul 23, 6:33 PM EDT | Special Weather Statement | CTP | Adams | 57 min |
| Jul 23, 6:36 PM EDT | Flash Flood Warning | CTP | Centre, Clinton, Lycoming, Montour, Northumberland, Union | 3 hr |
| Jul 23, 6:41 PM EDT | Flash Flood Warning | CTP | Adams, York | 99 min |
| Jul 23, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 39 min |
| Jul 23, 7:17 PM EDT | Special Weather Statement | CTP | Snyder | 58 min |
| Jul 23, 7:25 PM EDT | Special Weather Statement | CTP | Lycoming | 50 min |
| Jul 23, 7:25 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, Lebanon, York | 65 min |
| Jul 23, 7:35 PM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon | 3 hr |
| Jul 23, 7:56 PM EDT | Areal Flood Warning | CTP | Cumberland, York | 3 hr |
| Jul 23, 8:02 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Northumberland, Snyder | 43 min |
| Jul 23, 8:16 PM EDT | Special Weather Statement | CTP | Dauphin | 59 min |
| Jul 23, 8:19 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Snyder, Sullivan | 3 hr |
| Jul 23, 9:26 PM EDT | Areal Flood Warning | CTP | Clinton, Lycoming | 109 min |
| Jul 23, 9:57 PM EDT | Special Weather Statement | CTP | Adams, York | 78 min |
| Jul 23, 10:46 PM EDT | Areal Flood Warning | CTP | York | 2 hr |
| Jul 23, 11:12 PM EDT | Special Weather Statement | CTP | York | 78 min |
| Jul 24, 2:08 AM EDT | River Flood Warning | CTP | Cumberland, York | 7 hr |
| Jul 24, 1:24 PM EDT | Special Weather Statement | CTP | Huntingdon | 66 min |
| Jul 24, 2:20 PM EDT | Mesoscale Discussion | SPC | Blair, Bradford, Cameron, Carbon, Centre, Clearfield and 26 more | 115 min |
| Jul 24, 2:29 PM EDT | Special Weather Statement | CTP | Cumberland, Franklin, Juniata, Perry | 61 min |
| Jul 24, 3:20 PM EDT | Special Weather Statement | CTP | Cumberland, Dauphin, Franklin | 40 min |
| Jul 24, 3:34 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 11 more | 86 min |
| Jul 24, 3:57 PM EDT | Special Weather Statement | CTP | Lebanon, York | 33 min |
| Jul 24, 3:58 PM EDT | Special Weather Statement | CTP | Franklin | 47 min |
| Jul 24, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 59 min |
| Jul 24, 4:20 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin, York | 55 min |
| Jul 24, 4:27 PM EDT | Special Weather Statement | CTP | Cameron | 33 min |
| Jul 24, 4:56 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin | 2 hr |
| Jul 24, 5:05 PM EDT | Special Weather Statement | CTP | Clinton | 55 min |
| Jul 24, 5:15 PM EDT | Special Weather Statement | CTP | Lancaster | 45 min |
| Jul 24, 5:21 PM EDT | Special Weather Statement | CTP | Sullivan | 54 min |
| Jul 24, 5:53 PM EDT | Special Weather Statement | CTP | Lycoming | 22 min |
| Jul 24, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 50 min |
| Jul 24, 6:28 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 62 min |
| Jul 24, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Union | 61 min |
| Jul 24, 7:11 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 46 min |
| Jul 24, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Schuylkill | 47 min |
| Jul 25, 6:36 AM EDT | Dense Fog Advisory | CTP | Columbia, Dauphin, Lancaster, Lebanon, Lycoming, Montour and 5 more | 3 hr |
| Jul 25, 3:05 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Cameron, Centre and 23 more | 55 min |
| Jul 25, 3:20 PM EDT | Special Weather Statement | CTP | Potter | 40 min |
| Jul 25, 3:33 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, McKean, Potter, Tioga | 42 min |
| Jul 25, 3:50 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Bradford, Cambria, Cameron and 27 more | 5 hr |
| Jul 25, 4:38 PM EDT | Special Weather Statement | CTP | Tioga | 52 min |
| Jul 25, 4:54 PM EDT | Special Weather Statement | CTP | Snyder | 36 min |
| Jul 25, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Northumberland, Snyder, Union | 40 min |
| Jul 25, 5:22 PM EDT | Special Weather Statement | CTP | Fulton | 23 min |
| Jul 25, 5:46 PM EDT | Special Weather Statement | CTP | Huntingdon | 29 min |
| Jul 25, 7:15 PM EDT | Special Weather Statement | CTP | Schuylkill | 45 min |
| Jul 25, 7:43 PM EDT | Mesoscale Discussion | SPC | Adams, Blair, Cameron, Centre, Clinton, Columbia and 16 more | 62 min |
| Jul 25, 7:51 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 75 min |
| Jul 25, 7:57 PM EDT | Special Weather Statement | CTP | Schuylkill | 18 min |
| Jul 26, 12:28 AM EDT | Special Weather Statement | CTP | Adams | 62 min |
| Jul 26, 2:13 AM EDT | Special Weather Statement | CTP | Lancaster | 17 min |
| Jul 26, 3:07 AM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 20 hr |
| Jul 26, 3:40 AM EDT | Flash Flood Watch | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 3 more | 16 hr |
| Jul 26, 12:56 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 16 more | 2 hr |
| Jul 26, 1:40 PM EDT | Mesoscale Discussion | SPC | Adams, Chester, Cumberland, Delaware, Lancaster, Philadelphia and 1 more | 2 hr |
| Jul 26, 2:11 PM EDT | Special Weather Statement | CTP | Clinton | 34 min |
| Jul 26, 2:39 PM EDT | Special Weather Statement | CTP | Tioga | 36 min |
| Jul 26, 3:14 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 22 more | 2 hr |
| Jul 26, 3:46 PM EDT | Special Weather Statement | CTP | Lycoming | 29 min |
| Jul 26, 3:51 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 19 more | 7 hr |
| Jul 26, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 54 min |
| Jul 26, 4:17 PM EDT | Special Weather Statement | CTP | Sullivan | 28 min |
| Jul 26, 4:51 PM EDT | Special Weather Statement | CTP | York | 24 min |
| Jul 26, 5:35 PM EDT | Special Weather Statement | CTP | Lancaster | 25 min |
| Jul 26, 6:11 PM EDT | Special Weather Statement | CTP | Lancaster | 19 min |
| Jul 26, 6:16 PM EDT | Special Weather Statement | CTP | Lancaster | 29 min |
| Jul 26, 6:21 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 39 min |
| Jul 26, 6:37 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Lancaster, Lehigh, Montgomery and 2 more | 113 min |
| Jul 26, 6:41 PM EDT | Special Weather Statement | CTP | Lancaster | 34 min |
| Jul 26, 7:02 PM EDT | Special Weather Statement | CTP | Warren | 28 min |
| Jul 26, 7:05 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 70 min |
| Jul 26, 7:30 PM EDT | Special Weather Statement | CTP | Lancaster | 45 min |
| Jul 26, 8:02 PM EDT | Special Weather Statement | CTP | McKean | 43 min |
| Jul 26, 8:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 59 min |
| Jul 26, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Northampton | 37 min |
| Jul 26, 9:10 PM EDT | Special Weather Statement | CTP | McKean | 35 min |
| Jul 26, 9:22 PM EDT | Special Weather Statement | CTP | Warren | 53 min |
| Jul 26, 10:06 PM EDT | Mesoscale Discussion | SPC | Bucks | 54 min |
| Jul 27, 3:40 PM EDT | Special Weather Statement | CTP | Perry | 35 min |
| Jul 27, 7:32 PM EDT | Special Weather Statement | CTP | Adams | 28 min |
| Jul 27, 7:34 PM EDT | Special Weather Statement | CTP | Lancaster | 26 min |
| Jul 27, 8:53 PM EDT | Special Weather Statement | CTP | Lancaster | 37 min |
| Jul 27, 9:05 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 55 min |
| Jul 27, 9:25 PM EDT | Special Weather Statement | CTP | Lancaster | 35 min |
| Jul 27, 9:46 PM EDT | Areal Flood Advisory | PHI | Berks, Chester | 3 hr |
| Jul 27, 10:36 PM EDT | Special Weather Statement | CTP | Lancaster | 24 min |
| Jul 27, 11:29 PM EDT | Special Weather Statement | CTP | Lancaster | 31 min |
| Jul 28, 12:04 AM EDT | Flash Flood Warning | PHI | Chester | 53 min |
| Jul 28, 7:18 AM EDT | Areal Flood Warning | PHI | Chester, Montgomery | 2 hr |
| Jul 28, 3:08 PM EDT | Special Weather Statement | CTP | Lancaster | 67 min |
| Jul 28, 3:33 PM EDT | Special Weather Statement | CTP | Lancaster | 72 min |
| Jul 29, 10:15 AM EDT | Flash Flood Watch | PHI | Berks, Delaware, Lehigh, Northampton, Philadelphia | 17 hr |
| Jul 29, 11:48 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 72 min |
| Jul 29, 12:05 PM EDT | Special Weather Statement | CTP | Schuylkill | 25 min |
| Jul 29, 12:12 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 78 min |
| Jul 29, 12:21 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 39 min |
| Jul 29, 12:22 PM EDT | Mesoscale Discussion | SPC | Bucks, Carbon, Lackawanna, Lehigh, Luzerne, Monroe and 7 more | 23 min |
| Jul 29, 12:49 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 10 more | 8 hr |
| Jul 29, 12:55 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wyoming | 50 min |
| Jul 29, 1:38 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 22 min |
| Jul 29, 1:49 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 41 min |
| Jul 29, 1:51 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 9 hr |
| Jul 29, 1:56 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 64 min |
| Jul 29, 1:57 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 48 min |
| Jul 29, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 56 min |
| Jul 29, 2:05 PM EDT | Special Weather Statement | CTP | Northumberland | 40 min |
| Jul 29, 2:11 PM EDT | Tornado Warning | PHI | Carbon, Monroe | 34 min |
| Jul 29, 2:22 PM EDT | Mesoscale Discussion | SPC | Bucks, Carbon, Lackawanna, Lehigh, Luzerne, Monroe and 5 more | 23 min |
| Jul 29, 2:30 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland | 45 min |
| Jul 29, 2:32 PM EDT | Flash Flood Warning | PHI | Monroe | 6 hr |
| Jul 29, 2:38 PM EDT | Areal Flood Advisory | BGM | Luzerne, Wyoming | 3 hr |
| Jul 29, 2:44 PM EDT | Special Weather Statement | CTP | Dauphin | 31 min |
| Jul 29, 2:50 PM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 6 hr |
| Jul 29, 3:03 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 27 min |
| Jul 29, 3:19 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 17 min |
| Jul 29, 3:21 PM EDT | Special Weather Statement | CTP | Fulton | 39 min |
| Jul 29, 4:01 PM EDT | Special Weather Statement | CTP | Fulton | 44 min |
| Jul 29, 4:04 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Butler, Clarion, Jefferson | 3 hr |
| Jul 29, 4:24 PM EDT | Special Weather Statement | CTP | Lancaster | 51 min |
| Jul 29, 4:37 PM EDT | Special Weather Statement | CTP | Franklin | 68 min |
| Jul 29, 4:52 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 53 min |
| Jul 29, 5:01 PM EDT | Special Weather Statement | CTP | Franklin | 14 min |
| Jul 29, 5:05 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Columbia, Dauphin and 19 more | 55 min |
| Jul 29, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 66 min |
| Jul 29, 5:28 PM EDT | Special Weather Statement | CTP | Franklin | 17 min |
| Jul 29, 5:28 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 40 min |
| Jul 29, 5:38 PM EDT | Areal Flood Advisory | CTP | Franklin | 3 hr |
| Jul 29, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 59 min |
| Jul 29, 5:55 PM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 4 hr |
| Jul 29, 7:11 PM EDT | Special Weather Statement | CTP | Schuylkill | 79 min |
| Jul 29, 7:14 PM EDT | Mesoscale Discussion | SPC | Bucks, Delaware, Lehigh, Monroe, Montgomery, Northampton and 2 more | 61 min |
| Jul 29, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 97 min |
| Jul 29, 8:24 PM EDT | Special Weather Statement | CTP | Lebanon | 21 min |
| Jul 29, 8:36 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 101 min |
| Jul 29, 8:39 PM EDT | Special Weather Statement | CTP | Schuylkill | 81 min |
| Jul 29, 8:46 PM EDT | Special Weather Statement | CTP | Lebanon | 74 min |
| Jul 29, 9:25 PM EDT | Special Weather Statement | CTP | Adams | 80 min |
| Jul 29, 9:42 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Northampton | 3 hr |
| Jul 30, 2:55 PM EDT | Flood Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 27 hr |
| Jul 30, 3:30 PM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 27 hr |
| Jul 31, 3:39 AM EDT | Flood Watch | PBZ | Allegheny, Greene, Washington | 10 hr |
| Jul 31, 7:00 AM EDT | Special Weather Statement | CTP | Montour | 30 min |
| Jul 31, 7:22 AM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Sullivan | 3 hr |
| Jul 31, 7:59 AM EDT | Areal Flood Advisory | CTP | Montour, Northumberland, Union | 3 hr |
| Jul 31, 8:31 AM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 3 hr |
| Jul 31, 8:45 AM EDT | Areal Flood Advisory | CTP | Centre, Clearfield | 2 hr |
| Jul 31, 9:20 AM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne, Wyoming | 6 hr |
| Jul 31, 9:54 AM EDT | Flash Flood Warning | BGM | Lackawanna, Susquehanna, Wayne | 6 hr |
| Jul 31, 10:03 AM EDT | Flash Flood Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Union | 6 hr |
| Jul 31, 10:20 AM EDT | Mesoscale Discussion | SPC | Berks, Carbon, Columbia, Cumberland, Dauphin, Juniata and 18 more | 85 min |
| Jul 31, 10:35 AM EDT | Flash Flood Warning | BGM | Wayne | 6 hr |
| Jul 31, 12:04 PM EDT | Flash Flood Warning | BGM | Lackawanna, Luzerne | 4 hr |
| Jul 31, 12:06 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Montgomery and 1 more | 84 min |
| Jul 31, 1:18 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 7 hr |
| Jul 31, 2:13 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 4 hr |
| Jul 31, 2:18 PM EDT | Special Weather Statement | CTP | York | 42 min |
| Jul 31, 3:04 PM EDT | Flash Flood Warning | PHI | Bucks, Chester, Montgomery | 3 hr |
| Jul 31, 3:05 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 85 min |
| Jul 31, 3:16 PM EDT | Flash Flood Warning | BGM | Wyoming | 3 hr |
| Jul 31, 3:22 PM EDT | River Flood Warning | BGM | Wyoming | 19 hr |
| Jul 31, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 54 min |
| Jul 31, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 65 min |
| Jul 31, 4:03 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 57 min |
| Jul 31, 4:08 PM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Jul 31, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 59 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 | 91 |
| Tornado Warning | 6 |
| Severe Thunderstorm Watch | 6 |
| Mesoscale Discussion | 25 |
| Special Weather Statement | 133 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 23 |
| River Flood Warning | 2 |
| Flash Flood Watch | 7 |
| Flood Watch | 2 |
| Areal Flood Advisory | 54 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lancaster County39
- Bucks County35
- Northumberland County34
- Chester County30
- Dauphin County30
- Montgomery County30
- Cumberland County29
- Lehigh County29
- Philadelphia County29
- Adams County28
- York County28
- Carbon County27
- Delaware County27
- Monroe County27
- Northampton County27
- Schuylkill County26
- Montour County26
- Lackawanna County25
- Wayne County25
- Wyoming County25
- Lycoming County25
- Lebanon County24
- Susquehanna County24
- Union County24
- Franklin County24
- Columbia County23
- Luzerne County23
- Berks County21
- Perry County19
- Elk County19
- McKean County19
- Potter County19
- Centre County18
- Snyder County18
- Clinton County18
- Warren County18
- Sullivan County17
- Pike County16
- Tioga County16
- Cameron County16
27 more counties
- Huntingdon County16
- Mifflin County14
- Blair County14
- Clearfield County14
- Cambria County13
- Juniata County13
- Bradford County12
- Fulton County10
- Somerset County9
- Crawford County9
- Allegheny County8
- Butler County8
- Bedford County7
- Forest County7
- Jefferson County7
- Lawrence County7
- Venango County7
- Erie County7
- Armstrong County6
- Beaver County6
- Indiana County6
- Mercer County6
- Clarion County5
- Washington County5
- Westmoreland County3
- Fayette County2
- Greene County2
Nearby
Alerts in force nowTornadoes on recordThe radar archive20082010
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. Warning verification from the Mesonet's Cow. Rebuilt daily.