Alert archive / Pennsylvania / 2008
Weather alerts in Pennsylvania, July 2008
263 weather alerts in July 2008, 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 2008. Tap one for its archive.
- Alerts
- 263
- Warnings
- 160
- Watches
- 12
- Advisories
- 66
- Busiest day
- July 23, 200845 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, 12:19 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 11 more | 2 hr |
| Jul 3, 2:03 PM EDT | Areal Flood Advisory | CLE | Crawford | 3 hr |
| Jul 3, 2:06 PM EDT | Mesoscale Discussion | SPC | Lackawanna, Luzerne, Pike, Sullivan, Susquehanna, Wayne and 1 more | 84 min |
| Jul 5, 12:25 AM EDT | Areal Flood Advisory | CTP | Clearfield | 3 hr |
| Jul 5, 6:59 AM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Somerset | 3 hr |
| Jul 5, 10:51 AM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Huntingdon | 3 hr |
| Jul 5, 6:36 PM EDT | Areal Flood Advisory | CTP | Bedford, Somerset | 90 min |
| Jul 6, 3:24 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 27 min |
| Jul 6, 4:25 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 72 min |
| Jul 6, 4:36 PM EDT | Flash Flood Warning | PBZ | Allegheny | 49 min |
| Jul 6, 5:17 PM EDT | Flash Flood Warning | PHI | Philadelphia | 71 min |
| Jul 6, 8:45 PM EDT | Areal Flood Advisory | CLE | Crawford | 119 min |
| Jul 7, 9:32 AM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin | 3 hr |
| Jul 7, 12:47 PM EDT | Flash Flood Warning | PBZ | Greene, Washington | 3 hr |
| Jul 7, 1:20 PM EDT | Mesoscale Discussion | SPC | Bedford, Fayette, Fulton, Greene, Somerset, Washington and 1 more | 55 min |
| Jul 7, 1:53 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Somerset | 3 hr |
| Jul 7, 3:18 PM EDT | Areal Flood Advisory | CTP | Somerset | 117 min |
| Jul 7, 4:49 PM EDT | Areal Flood Advisory | CTP | Elk | 116 min |
| Jul 7, 6:46 PM EDT | Areal Flood Advisory | CTP | Cameron, Potter, Tioga | 3 hr |
| Jul 7, 7:16 PM EDT | Areal Flood Warning | PBZ | Jefferson | 3 hr |
| Jul 7, 7:29 PM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon, Schuylkill | 3 hr |
| Jul 7, 8:30 PM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Jul 7, 9:14 PM EDT | Areal Flood Advisory | CTP | Warren | 91 min |
| Jul 8, 2:10 PM EDT | Areal Flood Advisory | BGM | Pike | 64 min |
| Jul 8, 3:45 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 45 min |
| Jul 8, 5:47 PM EDT | Flash Flood Warning | CLE | Crawford | 4 hr |
| Jul 8, 5:56 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 8 more | 64 min |
| Jul 8, 6:04 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more | 2 hr |
| Jul 8, 6:06 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 54 min |
| Jul 8, 6:15 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 75 min |
| Jul 8, 6:38 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Lawrence, Washington | 67 min |
| Jul 8, 6:58 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 62 min |
| Jul 8, 7:06 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 33 min |
| Jul 8, 7:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 46 min |
| Jul 8, 8:19 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more | 56 min |
| Jul 12, 8:32 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 43 min |
| Jul 13, 8:57 AM EDT | Areal Flood Advisory | CTP | McKean | 2 hr |
| Jul 13, 12:02 PM EDT | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Jul 13, 12:54 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin | 66 min |
| Jul 13, 1:03 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Centre, Clinton, Columbia, Cumberland and 15 more | 87 min |
| Jul 13, 2:08 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 67 min |
| Jul 13, 3:04 PM EDT | Areal Flood Advisory | BGM | Bradford | 116 min |
| Jul 13, 4:16 PM EDT | Areal Flood Advisory | CTP | Lycoming | 119 min |
| Jul 13, 4:45 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 45 min |
| Jul 13, 5:30 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 45 min |
| Jul 13, 5:30 PM EDT | Areal Flood Advisory | CTP | Lycoming | 2 hr |
| Jul 13, 9:13 PM EDT | Areal Flood Advisory | CTP | Cumberland, Franklin | 3 hr |
| Jul 13, 10:05 PM EDT | Areal Flood Advisory | CTP | Perry | 3 hr |
| Jul 14, 2:12 AM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Jul 15, 3:41 PM EDT | Excessive Heat Watch | PHI | Delaware, Philadelphia | 4 days |
| Jul 16, 5:33 PM EDT | Mesoscale Discussion | SPC | Susquehanna | 57 min |
| Jul 16, 7:49 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Susquehanna, Wyoming | 32 min |
| Jul 17, 11:38 AM EDT | Mesoscale Discussion | SPC | Bradford, Carbon, Columbia, Lackawanna, Luzerne, Lycoming and 8 more | 2 hr |
| Jul 17, 12:47 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 58 min |
| Jul 17, 1:34 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 41 min |
| Jul 17, 2:53 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Jul 17, 2:59 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 61 min |
| Jul 17, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 29 min |
| Jul 17, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Sullivan | 96 min |
| Jul 17, 3:52 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Sullivan | 3 hr |
| Jul 17, 3:55 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 65 min |
| Jul 17, 3:58 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| Jul 17, 4:09 PM EDT | Excessive Heat Warning | PHI | Delaware, Philadelphia | 3 days |
| Jul 17, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Snyder | 63 min |
| Jul 17, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 59 min |
| Jul 17, 4:55 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Juniata, Mifflin | 26 min |
| Jul 17, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 64 min |
| Jul 17, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 62 min |
| Jul 17, 5:14 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 2 hr |
| Jul 17, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 67 min |
| Jul 17, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Snyder, Union | 41 min |
| Jul 17, 5:52 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Perry, Snyder | 38 min |
| Jul 17, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 39 min |
| Jul 17, 5:55 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 51 min |
| Jul 17, 6:29 PM EDT | Areal Flood Advisory | CTP | Lycoming, Sullivan, Tioga | 3 hr |
| Jul 18, 4:36 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 39 min |
| Jul 18, 4:37 PM EDT | Areal Flood Advisory | BGM | Susquehanna | 94 min |
| Jul 18, 4:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming | 44 min |
| Jul 18, 5:16 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 18 min |
| Jul 18, 5:45 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 60 min |
| Jul 18, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 30 min |
| Jul 20, 11:29 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 8 more | 61 min |
| Jul 20, 12:35 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 43 more | 7 hr |
| Jul 20, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 62 min |
| Jul 20, 1:37 PM EDT | Areal Flood Advisory | CLE | Crawford | 3 hr |
| Jul 20, 1:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 64 min |
| Jul 20, 2:11 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 8 hr |
| Jul 20, 2:18 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Fayette, Indiana, Washington and 1 more | 57 min |
| Jul 20, 2:28 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 62 min |
| Jul 20, 3:04 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Fayette, Greene, Indiana, Jefferson, Westmoreland | 56 min |
| Jul 20, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield, Elk, Somerset | 72 min |
| Jul 20, 3:20 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 55 min |
| Jul 20, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Centre, Clearfield, Clinton and 4 more | 56 min |
| Jul 20, 4:07 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 53 min |
| Jul 20, 4:10 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 65 min |
| Jul 20, 4:16 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 59 min |
| Jul 20, 4:28 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Bradford, Cambria, Centre and 27 more | 2 hr |
| Jul 20, 4:59 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Centre, Clinton, Cumberland, Franklin and 8 more | 76 min |
| Jul 20, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 63 min |
| Jul 20, 8:17 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 58 min |
| Jul 20, 8:19 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 26 min |
| Jul 20, 8:48 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 42 min |
| Jul 20, 9:22 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 23 min |
| Jul 20, 9:29 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery | 32 min |
| Jul 21, 10:28 AM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Butler, Greene, Lawrence, Mercer and 1 more | 62 min |
| Jul 21, 2:09 PM EDT | Mesoscale Discussion | SPC | Bradford, Susquehanna, Wayne, Wyoming | 66 min |
| Jul 21, 6:33 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Lawrence and 3 more | 57 min |
| Jul 21, 8:12 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 63 min |
| Jul 21, 8:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 57 min |
| Jul 21, 8:47 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 58 min |
| Jul 21, 8:52 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 53 min |
| Jul 21, 9:35 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 55 min |
| Jul 21, 9:45 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 60 min |
| Jul 22, 3:27 AM EDT | Severe Thunderstorm Watch | SPC | Fayette, Greene, Washington | 4 hr |
| Jul 22, 3:59 AM EDT | Dense Fog Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, Lycoming and 4 more | 5 hr |
| Jul 22, 9:23 AM EDT | Areal Flood Advisory | CLE | Erie | 3 hr |
| Jul 22, 9:58 AM EDT | Flash Flood Warning | CLE | Erie | 4 hr |
| Jul 22, 2:15 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Columbia, Delaware and 14 more | 2 hr |
| Jul 22, 3:39 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 66 min |
| Jul 22, 7:05 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 26 min |
| Jul 22, 7:06 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 54 min |
| Jul 22, 7:55 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 65 min |
| Jul 22, 8:04 PM EDT | Tornado Warning | PBZ | Beaver, Lawrence | 41 min |
| Jul 22, 8:27 PM EDT | Tornado Warning | PBZ | Beaver, Butler, Lawrence | 48 min |
| Jul 23, 1:24 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 66 min |
| Jul 23, 1:39 AM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, Lancaster, York | 66 min |
| Jul 23, 2:08 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon, York | 82 min |
| Jul 23, 2:22 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Fulton, Huntingdon, Juniata, Mifflin and 1 more | 68 min |
| Jul 23, 2:34 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Perry | 71 min |
| Jul 23, 2:36 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 54 min |
| Jul 23, 2:56 AM EDT | Flood Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 33 hr |
| Jul 23, 3:29 AM EDT | Mesoscale Discussion | SPC | Berks, Carbon, Columbia, Lackawanna, Lehigh, Luzerne and 13 more | 91 min |
| Jul 23, 3:51 AM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 25 hr |
| Jul 23, 4:23 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 3 hr |
| Jul 23, 5:26 AM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne | 53 min |
| Jul 23, 10:57 AM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Northumberland, Snyder, Sullivan and 1 more | 3 hr |
| Jul 23, 11:30 AM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna, Wyoming | 6 hr |
| Jul 23, 12:11 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 4 more | 3 hr |
| Jul 23, 12:33 PM EDT | Mesoscale Discussion | SPC | Bucks, Delaware, Philadelphia | 57 min |
| Jul 23, 1:12 PM EDT | Areal Flood Advisory | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming | 6 hr |
| Jul 23, 1:13 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| Jul 23, 1:28 PM EDT | Mesoscale Discussion | SPC | Armstrong, Bedford, Blair, Cambria, Cameron, Clarion and 11 more | 62 min |
| Jul 23, 1:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 63 min |
| Jul 23, 1:45 PM EDT | Areal Flood Advisory | CTP | Columbia, Lycoming, Montour, Sullivan | 3 hr |
| Jul 23, 1:47 PM EDT | Flash Flood Warning | BGM | Susquehanna | 3 hr |
| Jul 23, 2:00 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 60 min |
| Jul 23, 2:12 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Lackawanna, Luzerne, McKean, Pike, Potter and 4 more | 6 hr |
| Jul 23, 2:13 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne | 5 hr |
| Jul 23, 2:34 PM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 6 hr |
| Jul 23, 2:34 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 7 hr |
| Jul 23, 2:52 PM EDT | Flash Flood Warning | BGM | Pike, Wayne | 6 hr |
| Jul 23, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 35 min |
| Jul 23, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 47 min |
| Jul 23, 3:13 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 3 hr |
| Jul 23, 3:20 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 55 min |
| Jul 23, 3:24 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 30 min |
| Jul 23, 3:30 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 60 min |
| Jul 23, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 65 min |
| Jul 23, 3:58 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 62 min |
| Jul 23, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 38 min |
| Jul 23, 4:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 58 min |
| Jul 23, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 57 min |
| Jul 23, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 62 min |
| Jul 23, 6:21 PM EDT | Areal Flood Advisory | BGM | Pike | 4 hr |
| Jul 23, 7:00 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 60 min |
| Jul 23, 7:13 PM EDT | Areal Flood Advisory | CLE | Erie | 6 hr |
| Jul 23, 7:48 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 57 min |
| Jul 23, 8:15 PM EDT | Areal Flood Advisory | CLE | Crawford | 7 hr |
| Jul 23, 8:24 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Jul 23, 8:27 PM EDT | Areal Flood Advisory | CTP | McKean, Warren | 3 hr |
| Jul 23, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 54 min |
| Jul 23, 8:44 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 31 min |
| Jul 23, 8:49 PM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Jul 23, 9:26 PM EDT | Areal Flood Advisory | PBZ | Forest | 3 hr |
| Jul 23, 9:26 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia and 1 more | 64 min |
| Jul 23, 9:30 PM EDT | Areal Flood Advisory | CTP | Warren | 3 hr |
| Jul 23, 9:51 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Jul 23, 10:02 PM EDT | Flash Flood Warning | CTP | Warren | 4 hr |
| Jul 23, 10:20 PM EDT | Areal Flood Advisory | BGM | Pike | 6 hr |
| Jul 23, 10:49 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 107 min |
| Jul 23, 11:31 PM EDT | Areal Flood Advisory | PHI | Delaware, Philadelphia | 78 min |
| Jul 24, 12:55 AM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon, York | 4 hr |
| Jul 24, 1:56 AM EDT | Flash Flood Warning | CTP | Warren | 5 hr |
| Jul 24, 3:23 AM EDT | Areal Flood Advisory | CTP | McKean, Warren | 6 hr |
| Jul 24, 3:59 AM EDT | Areal Flood Warning | CLE | Erie | 6 hr |
| Jul 24, 6:37 AM EDT | Areal Flood Advisory | BGM | Lackawanna, Pike, Susquehanna, Wayne | 3 hr |
| Jul 24, 6:45 AM EDT | Areal Flood Warning | CTP | Warren | 4 hr |
| Jul 24, 1:34 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton, Elk | 41 min |
| Jul 24, 1:45 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Clearfield | 45 min |
| Jul 24, 1:56 PM EDT | Mesoscale Discussion | SPC | Blair, Bradford, Cambria, Cameron, Centre, Clarion and 19 more | 2 hr |
| Jul 24, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 43 min |
| Jul 24, 2:43 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Huntingdon | 47 min |
| Jul 24, 2:58 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Northumberland, Perry, Snyder, Union | 47 min |
| Jul 24, 3:33 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Huntingdon, Juniata, Mifflin, Perry | 57 min |
| Jul 26, 10:16 AM EDT | Mesoscale Discussion | SPC | Crawford, Erie, Forest, McKean, Mercer, Potter and 2 more | 119 min |
| Jul 26, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 59 min |
| Jul 26, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 59 min |
| Jul 26, 4:22 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 53 min |
| Jul 26, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jul 26, 4:53 PM EDT | Mesoscale Discussion | SPC | Armstrong, Beaver, Bradford, Butler, Cameron, Centre and 20 more | 97 min |
| Jul 26, 4:54 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 66 min |
| Jul 26, 5:06 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 54 min |
| Jul 26, 5:20 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 85 min |
| Jul 26, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 89 min |
| Jul 26, 5:51 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 54 min |
| Jul 26, 5:53 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Montour, Northumberland, Union | 37 min |
| Jul 26, 5:57 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Venango | 63 min |
| Jul 26, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 87 min |
| Jul 26, 6:18 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 42 min |
| Jul 26, 6:49 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Wyoming | 40 min |
| Jul 26, 8:29 PM EDT | Areal Flood Advisory | PBZ | Mercer | 3 hr |
| Jul 26, 8:34 PM EDT | Areal Flood Advisory | PBZ | Mercer | 3 hr |
| Jul 26, 10:29 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 46 min |
| Jul 27, 11:03 AM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 19 more | 57 min |
| Jul 27, 11:17 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Huntingdon | 58 min |
| Jul 27, 11:26 AM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 12 more | 8 hr |
| Jul 27, 11:46 AM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 59 min |
| Jul 27, 11:50 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 70 min |
| Jul 27, 11:58 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 17 min |
| Jul 27, 12:00 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 60 min |
| Jul 27, 12:02 PM EDT | Severe Thunderstorm Watch | SPC | Lackawanna, Luzerne, Pike, Wayne | 7 hr |
| Jul 27, 12:05 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 40 min |
| Jul 27, 12:07 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 53 min |
| Jul 27, 12:19 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh, Montgomery | 56 min |
| Jul 27, 12:25 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 3 hr |
| Jul 27, 12:27 PM EDT | Tornado Warning | CTP | York | 33 min |
| Jul 27, 12:33 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin, York | 57 min |
| Jul 27, 12:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 24 min |
| Jul 27, 12:38 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 67 min |
| Jul 27, 12:47 PM EDT | Tornado Warning | CTP | Adams, York | 43 min |
| Jul 27, 12:50 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 3 hr |
| Jul 27, 12:54 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 66 min |
| Jul 27, 12:57 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 63 min |
| Jul 27, 1:00 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 60 min |
| Jul 27, 1:21 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 52 min |
| Jul 27, 1:34 PM EDT | Flash Flood Warning | PHI | Chester | 3 hr |
| Jul 27, 1:44 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 61 min |
| Jul 27, 2:11 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 64 min |
| Jul 27, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 61 min |
| Jul 27, 2:17 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 58 min |
| Jul 27, 2:30 PM EDT | Areal Flood Advisory | PHI | Bucks | 2 hr |
| Jul 27, 2:36 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wayne | 39 min |
| Jul 27, 3:12 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 48 min |
| Jul 27, 3:41 PM EDT | Mesoscale Discussion | SPC | Monroe, Pike | 2 hr |
| Jul 27, 3:54 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 36 min |
| Jul 27, 4:52 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 23 min |
| Jul 27, 5:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 56 min |
| Jul 27, 5:45 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 90 min |
| Jul 27, 6:44 PM EDT | Areal Flood Advisory | PHI | Chester | 72 min |
| Jul 28, 3:54 AM EDT | Dense Fog Advisory | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 5 hr |
| Jul 29, 4:47 AM EDT | Heat Advisory | PHI | Delaware, Philadelphia | 34 hr |
| Jul 30, 2:23 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lehigh and 3 more | 97 min |
| Jul 30, 4:44 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 31 min |
| Jul 30, 4:53 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lebanon and 5 more | 4 hr |
| Jul 30, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 62 min |
| Jul 30, 5:09 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 33 min |
| Jul 30, 5:37 PM EDT | Areal Flood Advisory | CTP | Lancaster | 3 hr |
| Jul 30, 6:25 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Northampton | 35 min |
| Jul 30, 7:47 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Chester, Delaware, Lancaster and 5 more | 88 min |
| Jul 31, 5:33 AM EDT | Areal Flood Advisory | PBZ | Fayette | 2 hr |
| Jul 31, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 54 min |
| Jul 31, 6:10 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 65 min |
| Jul 31, 7:23 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 67 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 | 140 |
| Tornado Warning | 4 |
| Severe Thunderstorm Watch | 9 |
| Mesoscale Discussion | 25 |
| Flooding | |
| Areal Flood Warning | 3 |
| Flash Flood Warning | 12 |
| Flash Flood Watch | 1 |
| Flood Watch | 1 |
| Areal Flood Advisory | 63 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County32
- Lancaster County29
- Chester County25
- Delaware County24
- Montgomery County24
- Philadelphia County24
- Wayne County24
- Susquehanna County23
- Pike County22
- York County22
- Washington County21
- Lycoming County21
- Lehigh County20
- Berks County19
- Lackawanna County19
- Luzerne County18
- Greene County18
- Lebanon County17
- Northampton County17
- Sullivan County16
- Warren County16
- Beaver County16
- Lawrence County16
- Mercer County16
- Franklin County16
- Wyoming County15
- Allegheny County15
- Fayette County15
- Butler County15
- Carbon County14
- Bedford County14
- Cumberland County14
- Bradford County14
- Monroe County13
- Crawford County13
- Somerset County13
- Westmoreland County13
- Adams County13
- Centre County13
- Columbia County13
27 more counties
- Schuylkill County12
- Huntingdon County12
- Dauphin County12
- Venango County12
- Clinton County12
- Perry County12
- Clearfield County11
- Blair County11
- Cambria County11
- McKean County11
- Juniata County11
- Mifflin County11
- Northumberland County11
- Snyder County11
- Tioga County10
- Jefferson County10
- Armstrong County10
- Clarion County10
- Union County10
- Fulton County9
- Erie County9
- Forest County9
- Montour County9
- Indiana County9
- Elk County8
- Potter County8
- Cameron County7
Nearby
Alerts in force nowTornadoes on recordThe radar archive20072009
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.