Alert archive / Pennsylvania / Areal Flood Advisories
Areal Flood Advisories in Pennsylvania, 2012
228 areal flood advisories in 2012. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of areal flood advisories reaches back to 2005.
Areal Flood Advisories by county
Each county as a circle sized by its count in 2012. Tap one for its archive.
- Areal Flood Advisories
- 228
- Busiest month
- May58 areal flood advisories
- Busiest day
- May 26, 201218 areal flood advisories
Over time
By month
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 |
|---|---|---|---|---|
| Jan 12, 6:45 AM EST | Areal Flood Advisory | PHI | Bucks | 350 days |
| Jan 12, 6:49 AM EST | Areal Flood Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Mar 19, 6:07 PM EDT | Areal Flood Advisory | CTP | McKean, Potter | 3 hr |
| Apr 22, 9:00 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 6 hr |
| Apr 23, 2:49 AM EDT | Areal Flood Advisory | PHI | Chester | 116 min |
| May 2, 9:19 PM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 3 hr |
| May 3, 3:42 PM EDT | Areal Flood Advisory | PBZ | Jefferson | 97 min |
| May 3, 3:43 PM EDT | Areal Flood Advisory | CTP | Elk | 2 hr |
| May 3, 8:00 PM EDT | Areal Flood Advisory | CTP | Bedford, Franklin, Fulton | 3 hr |
| May 7, 9:33 PM EDT | Areal Flood Advisory | PBZ | Mercer | 3 hr |
| May 8, 12:09 AM EDT | Areal Flood Advisory | PBZ | Butler | 3 hr |
| May 15, 10:45 PM EDT | Areal Flood Advisory | PHI | Chester | 57 min |
| May 15, 11:24 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 116 min |
| May 16, 12:12 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery | 3 hr |
| May 21, 6:24 PM EDT | Areal Flood Advisory | PBZ | Fayette | 72 min |
| May 22, 4:25 PM EDT | Areal Flood Advisory | CTP | Warren | 3 hr |
| May 22, 5:41 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Clarion, Jefferson | 3 hr |
| May 22, 8:45 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh | 55 min |
| May 23, 1:46 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 1 more | 3 hr |
| May 23, 2:04 PM EDT | Areal Flood Advisory | BGM | Luzerne | 80 min |
| May 23, 2:29 PM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, Franklin, Lebanon, Perry | 3 hr |
| May 23, 2:55 PM EDT | Areal Flood Advisory | CTP | Centre, Columbia, Huntingdon, Juniata, Lycoming, Mifflin and 4 more | 3 hr |
| May 23, 4:10 PM EDT | Areal Flood Advisory | CTP | Juniata, Mifflin | 2 hr |
| May 23, 5:47 PM EDT | Areal Flood Advisory | CTP | Snyder | 88 min |
| May 24, 2:01 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 83 min |
| May 24, 2:21 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 97 min |
| May 24, 3:13 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 91 min |
| May 24, 3:39 PM EDT | Areal Flood Advisory | PHI | Berks, Montgomery | 57 min |
| May 24, 4:00 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 67 min |
| May 26, 2:18 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 5 hr |
| May 26, 2:23 PM EDT | Areal Flood Advisory | PHI | Carbon | 3 hr |
| May 26, 2:55 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| May 26, 3:15 PM EDT | Areal Flood Advisory | PHI | Carbon | 2 hr |
| May 26, 3:26 PM EDT | Areal Flood Advisory | CTP | Juniata, Snyder, Union | 3 hr |
| May 26, 3:26 PM EDT | Areal Flood Advisory | CTP | Bedford, Somerset | 2 hr |
| May 26, 3:37 PM EDT | Areal Flood Advisory | CTP | Schuylkill | 3 hr |
| May 26, 3:45 PM EDT | Areal Flood Advisory | PHI | Carbon | 3 hr |
| May 26, 3:46 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Huntingdon | 119 min |
| May 26, 3:48 PM EDT | Areal Flood Advisory | PHI | Monroe | 3 hr |
| May 26, 4:11 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| May 26, 4:16 PM EDT | Areal Flood Advisory | CTP | Juniata, Perry | 3 hr |
| May 26, 4:31 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe, Northampton | 3 hr |
| May 26, 5:36 PM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 114 min |
| May 26, 5:39 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria | 111 min |
| May 26, 6:10 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Montgomery | 111 min |
| May 26, 7:18 PM EDT | Areal Flood Advisory | PHI | Bucks | 60 min |
| May 26, 7:20 PM EDT | Areal Flood Advisory | PHI | Berks, Chester | 59 min |
| May 27, 3:10 AM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery | 3 hr |
| May 27, 4:58 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 83 min |
| May 27, 5:08 AM EDT | Areal Flood Advisory | PHI | Berks | 89 min |
| May 27, 1:38 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland | 82 min |
| May 27, 4:20 PM EDT | Areal Flood Advisory | PBZ | Clarion, Venango | 3 hr |
| May 27, 6:16 PM EDT | Areal Flood Advisory | PBZ | Indiana, Westmoreland | 78 min |
| May 27, 7:25 PM EDT | Areal Flood Advisory | PBZ | Fayette, Westmoreland | 2 hr |
| May 27, 8:23 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Schuylkill | 112 min |
| May 27, 9:15 PM EDT | Areal Flood Advisory | BGM | Pike | 3 hr |
| May 27, 9:20 PM EDT | Areal Flood Advisory | PHI | Monroe | 3 hr |
| May 27, 9:38 PM EDT | Areal Flood Advisory | CTP | Cambria | 3 hr |
| May 29, 1:50 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 115 min |
| May 29, 5:15 PM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, Franklin, Lebanon, Schuylkill | 3 hr |
| May 29, 5:39 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Wayne | 3 hr |
| May 29, 6:44 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery | 3 hr |
| May 29, 7:35 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 115 min |
| Jun 1, 4:48 PM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, York | 3 hr |
| Jun 1, 5:03 PM EDT | Areal Flood Advisory | CLE | Crawford | 4 hr |
| Jun 1, 6:09 PM EDT | Areal Flood Advisory | CTP | Lancaster | 2 hr |
| Jun 1, 6:24 PM EDT | Areal Flood Advisory | CTP | Blair, Cambria, Clearfield | 2 hr |
| Jun 1, 6:58 PM EDT | Areal Flood Advisory | PHI | Berks | 6 hr |
| Jun 1, 7:10 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon, York | 2 hr |
| Jun 1, 8:46 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 5 hr |
| Jun 1, 8:55 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon, York | 2 hr |
| Jun 1, 9:27 PM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Cumberland, Franklin, Huntingdon, Juniata and 5 more | 3 hr |
| Jun 1, 9:55 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 3 hr |
| Jun 2, 12:26 AM EDT | Areal Flood Advisory | PHI | Berks, Montgomery | 85 min |
| Jun 2, 1:12 AM EDT | Areal Flood Advisory | PHI | Monroe | 3 hr |
| Jun 12, 7:16 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Somerset | 119 min |
| Jun 12, 10:17 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Philadelphia | 106 min |
| Jun 22, 4:24 PM EDT | Areal Flood Advisory | CTP | Adams, York | 111 min |
| Jun 22, 7:02 PM EDT | Areal Flood Advisory | PHI | Delaware, Montgomery, Philadelphia | 102 min |
| Jun 22, 8:19 PM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster | 3 hr |
| Jul 11, 4:02 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin | 118 min |
| Jul 11, 4:30 PM EDT | Areal Flood Advisory | CTP | Dauphin | 2 hr |
| Jul 11, 4:58 PM EDT | Areal Flood Advisory | CTP | Bedford, Fulton | 2 hr |
| Jul 11, 6:15 PM EDT | Areal Flood Advisory | CTP | Bedford | 3 hr |
| Jul 12, 5:49 PM EDT | Areal Flood Advisory | PHI | Monroe | 116 min |
| Jul 12, 6:27 PM EDT | Areal Flood Advisory | CTP | McKean | 2 hr |
| Jul 12, 11:55 PM EDT | Areal Flood Advisory | CTP | McKean | 3 hr |
| Jul 14, 8:41 PM EDT | Areal Flood Advisory | CTP | Somerset | 3 hr |
| Jul 15, 9:40 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Jul 18, 1:24 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Huntingdon, Somerset | 3 hr |
| Jul 18, 1:48 PM EDT | Areal Flood Advisory | PBZ | Beaver, Washington | 6 hr |
| Jul 18, 2:21 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 3 hr |
| Jul 18, 2:58 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne | 4 hr |
| Jul 18, 3:05 PM EDT | Areal Flood Advisory | PBZ | Fayette | 3 hr |
| Jul 18, 4:49 PM EDT | Areal Flood Advisory | PBZ | Greene | 3 hr |
| Jul 19, 3:42 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Butler, Indiana, Jefferson, Westmoreland | 2 hr |
| Jul 19, 11:57 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Snyder, Union | 108 min |
| Jul 20, 5:03 AM EDT | Areal Flood Advisory | PHI | Bucks, Delaware, Montgomery, Philadelphia | 105 min |
| Jul 20, 5:44 AM EDT | Areal Flood Advisory | PHI | Philadelphia | 63 min |
| Jul 20, 6:02 AM EDT | Areal Flood Advisory | PBZ | Allegheny, Beaver, Fayette, Indiana, Washington, Westmoreland | 3 hr |
| Jul 20, 1:31 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington | 3 hr |
| Jul 20, 5:34 PM EDT | Areal Flood Advisory | PBZ | Fayette, Greene | 88 min |
| Jul 20, 6:08 PM EDT | Areal Flood Advisory | CTP | Bedford, Cambria, Fulton, Somerset | 112 min |
| Jul 23, 2:41 PM EDT | Areal Flood Advisory | BGM | Pike | 6 hr |
| Jul 26, 6:42 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Somerset | 3 hr |
| Jul 26, 6:57 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more | 3 hr |
| Jul 26, 10:05 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, York | 3 hr |
| Jul 26, 10:19 PM EDT | Areal Flood Advisory | PHI | Chester | 3 hr |
| Jul 27, 1:04 PM EDT | Areal Flood Advisory | CLE | Crawford | 3 hr |
| Jul 28, 12:32 PM EDT | Areal Flood Advisory | CLE | Crawford | 2 hr |
| Jul 28, 12:58 PM EDT | Areal Flood Advisory | PHI | Monroe | 2 hr |
| Jul 28, 1:03 PM EDT | Areal Flood Advisory | BGM | Pike | 4 hr |
| Jul 28, 2:18 PM EDT | Areal Flood Advisory | PHI | Bucks, Philadelphia | 3 hr |
| Jul 28, 3:33 PM EDT | Areal Flood Advisory | PHI | Northampton | 81 min |
| Jul 28, 5:01 PM EDT | Areal Flood Advisory | PHI | Monroe | 3 hr |
| Jul 28, 5:40 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 3 hr |
| Jul 28, 5:56 PM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 3 hr |
| Jul 28, 6:08 PM EDT | Areal Flood Advisory | CTP | Lycoming, Northumberland | 119 min |
| Jul 28, 6:22 PM EDT | Areal Flood Advisory | CLE | Crawford | 2 hr |
| Jul 28, 7:01 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 116 min |
| Jul 28, 8:02 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 2 hr |
| Jul 28, 8:26 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 101 min |
| Jul 29, 3:40 PM EDT | Areal Flood Advisory | PHI | Berks, Chester | 74 min |
| Jul 29, 6:08 PM EDT | Areal Flood Advisory | PHI | Carbon | 86 min |
| Jul 30, 1:42 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Schuylkill and 1 more | 3 hr |
| Jul 30, 8:01 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Monroe, Northampton | 119 min |
| Jul 30, 8:31 PM EDT | Areal Flood Advisory | PHI | Berks, Montgomery | 94 min |
| Jul 31, 12:56 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Somerset | 3 hr |
| Jul 31, 2:31 PM EDT | Areal Flood Advisory | CTP | Clearfield | 119 min |
| Jul 31, 4:06 PM EDT | Areal Flood Advisory | CTP | Somerset | 114 min |
| Jul 31, 5:16 PM EDT | Areal Flood Advisory | CTP | McKean | 119 min |
| Jul 31, 7:18 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Perry, York | 87 min |
| Jul 31, 7:41 PM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga | 94 min |
| Aug 1, 2:47 PM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Aug 1, 4:51 PM EDT | Areal Flood Advisory | PHI | Monroe | 36 min |
| Aug 1, 5:06 PM EDT | Areal Flood Advisory | PHI | Montgomery, Philadelphia | 12 min |
| Aug 1, 5:53 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 100 min |
| Aug 1, 6:16 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 46 min |
| Aug 1, 6:30 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 64 min |
| Aug 1, 6:53 PM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 69 min |
| Aug 1, 7:49 PM EDT | Areal Flood Advisory | PHI | Chester | 52 min |
| Aug 1, 8:15 PM EDT | Areal Flood Advisory | CTP | Lancaster | 90 min |
| Aug 3, 5:46 PM EDT | Areal Flood Advisory | PHI | Delaware | 101 min |
| Aug 3, 6:20 PM EDT | Areal Flood Advisory | PHI | Bucks | 2 hr |
| Aug 4, 1:56 PM EDT | Areal Flood Advisory | CTP | Bedford, Cambria, Somerset | 3 hr |
| Aug 4, 4:53 PM EDT | Areal Flood Advisory | CTP | Cumberland, Juniata, Perry | 112 min |
| Aug 4, 5:57 PM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Lycoming, Mifflin, Potter, Tioga | 2 hr |
| Aug 5, 4:10 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, York | 3 hr |
| Aug 5, 5:52 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Fayette, Indiana, Washington, Westmoreland | 3 hr |
| Aug 8, 4:33 PM EDT | Areal Flood Advisory | CLE | Crawford | 3 hr |
| Aug 9, 1:26 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 3 hr |
| Aug 9, 2:37 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Huntingdon, Somerset | 3 hr |
| Aug 9, 3:09 PM EDT | Areal Flood Advisory | PBZ | Fayette | 3 hr |
| Aug 9, 3:11 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 6 hr |
| Aug 9, 3:57 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 104 min |
| Aug 9, 5:06 PM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Aug 9, 6:29 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| Aug 9, 7:24 PM EDT | Areal Flood Advisory | BGM | Luzerne | 108 min |
| Aug 9, 7:46 PM EDT | Areal Flood Advisory | PHI | Berks | 3 hr |
| Aug 9, 10:09 PM EDT | Areal Flood Advisory | PHI | Monroe | 98 min |
| Aug 10, 7:40 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Chester, Lehigh, Monroe, Montgomery and 1 more | 3 hr |
| Aug 10, 9:08 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Lehigh, Monroe, Montgomery and 2 more | 3 hr |
| Aug 10, 10:33 AM EDT | Areal Flood Advisory | PHI | Bucks | 4 hr |
| Aug 11, 8:39 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Montgomery | 57 min |
| Aug 14, 8:39 AM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 2 hr |
| Aug 14, 9:56 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 108 min |
| Aug 14, 2:22 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland | 83 min |
| Aug 14, 5:29 PM EDT | Areal Flood Advisory | CTP | Lancaster | 2 hr |
| Aug 14, 7:11 PM EDT | Areal Flood Advisory | CTP | Huntingdon | 94 min |
| Aug 14, 7:17 PM EDT | Areal Flood Advisory | CTP | Lancaster | 118 min |
| Aug 14, 9:24 PM EDT | Areal Flood Advisory | CTP | Juniata, Perry, Snyder | 3 hr |
| Aug 14, 9:31 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Aug 15, 12:49 AM EDT | Areal Flood Advisory | PHI | Berks, Chester, Lehigh, Montgomery | 3 hr |
| Aug 15, 1:47 AM EDT | Areal Flood Advisory | BGM | Susquehanna | 3 hr |
| Aug 15, 1:48 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 85 min |
| Aug 22, 2:26 PM EDT | Areal Flood Advisory | CTP | Schuylkill | 79 min |
| Aug 22, 5:08 PM EDT | Areal Flood Advisory | CTP | York | 82 min |
| Aug 26, 3:36 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin | 3 hr |
| Aug 27, 2:28 PM EDT | Areal Flood Advisory | PHI | Bucks | 2 hr |
| Aug 27, 3:28 PM EDT | Areal Flood Advisory | PHI | Bucks | 69 min |
| Sep 1, 5:45 PM EDT | Areal Flood Advisory | CTP | Somerset | 90 min |
| Sep 1, 6:53 PM EDT | Areal Flood Advisory | CTP | Adams, Franklin | 112 min |
| Sep 2, 7:01 PM EDT | Areal Flood Advisory | CTP | York | 3 hr |
| Sep 3, 12:24 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 3 hr |
| Sep 3, 4:44 AM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 3 hr |
| Sep 3, 8:05 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 3, 11:14 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 2 hr |
| Sep 3, 2:44 PM EDT | Areal Flood Advisory | PHI | Chester | 119 min |
| Sep 4, 12:13 AM EDT | Areal Flood Advisory | PHI | Chester | 111 min |
| Sep 4, 2:23 AM EDT | Areal Flood Advisory | CTP | Cumberland, Franklin | 3 hr |
| Sep 4, 2:59 AM EDT | Areal Flood Advisory | CTP | Adams, Lancaster, York | 3 hr |
| Sep 4, 3:41 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 2 hr |
| Sep 4, 2:22 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Franklin | 3 hr |
| Sep 4, 2:22 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 4 hr |
| Sep 4, 3:32 PM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Sep 4, 3:40 PM EDT | Areal Flood Advisory | PHI | Monroe, Northampton | 4 hr |
| Sep 4, 4:37 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Sep 4, 7:06 PM EDT | Areal Flood Advisory | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 114 min |
| Sep 4, 9:30 PM EDT | Areal Flood Advisory | PHI | Monroe | 2 hr |
| Sep 4, 11:36 PM EDT | Areal Flood Advisory | BGM | Pike | 4 hr |
| Sep 6, 4:11 PM EDT | Areal Flood Advisory | CTP | Lycoming, Tioga | 3 hr |
| Sep 6, 6:15 PM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Sep 6, 10:54 PM EDT | Areal Flood Advisory | CTP | Lycoming, Tioga | 6 hr |
| Sep 6, 11:42 PM EDT | Areal Flood Advisory | CTP | Columbia | 93 min |
| Sep 8, 2:46 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon, Schuylkill, York | 3 hr |
| Sep 18, 12:52 PM EDT | Areal Flood Advisory | CTP | Adams, Columbia, Cumberland, Dauphin, Lancaster, Lebanon and 5 more | 3 hr |
| Sep 18, 12:58 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 93 min |
| Sep 18, 1:05 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 115 min |
| Sep 18, 2:35 PM EDT | Areal Flood Advisory | BGM | Pike, Wayne | 6 hr |
| Sep 18, 3:18 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Wayne, Wyoming | 6 hr |
| Sep 18, 4:05 PM EDT | Areal Flood Advisory | PHI | Berks, Lehigh | 55 min |
| Sep 18, 4:26 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 3 hr |
| Sep 18, 4:35 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Lehigh, Montgomery | 55 min |
| Sep 18, 5:12 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery | 63 min |
| Sep 18, 6:06 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 54 min |
| Sep 18, 6:54 PM EDT | Areal Flood Advisory | PHI | Bucks | 111 min |
| Sep 27, 5:17 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 2 hr |
| Oct 2, 3:28 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 2 hr |
| Oct 19, 3:33 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 3 hr |
| Oct 19, 9:52 AM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 6 hr |
| Oct 19, 10:00 PM EDT | Areal Flood Advisory | PHI | Chester, Delaware | 63 min |
| Oct 29, 12:01 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 12 hr |
| Oct 29, 8:36 PM EDT | Areal Flood Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Columbia, Elk and 6 more | 8 hr |
| Oct 29, 10:47 PM EDT | Areal Flood Advisory | BGM | Wyoming | 6 hr |
| Oct 30, 12:48 AM EDT | Areal Flood Advisory | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton, Philadelphia | 6 hr |
| Oct 30, 1:03 PM EDT | Areal Flood Advisory | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 23 more | 4 hr |
| Dec 26, 7:55 PM EST | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 6 hr |
| Dec 26, 9:10 PM EST | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County41
- Montgomery County38
- Chester County32
- Monroe County26
- Lehigh County25
- Philadelphia County22
- Northampton County20
- Berks County20
- Carbon County19
- Delaware County19
- Cumberland County19
- Lancaster County19
- York County18
- Adams County17
- Bedford County14
- Dauphin County14
- Lebanon County13
- Franklin County12
- Somerset County12
- Cambria County11
- Luzerne County10
- Perry County9
- Schuylkill County9
- Blair County9
- Juniata County8
- Lycoming County8
- Snyder County8
- McKean County7
- Fayette County7
- Columbia County7
- Huntingdon County7
- Northumberland County7
- Montour County6
- Union County6
- Pike County6
- Allegheny County6
- Elk County5
- Tioga County5
- Centre County5
- Mifflin County5
24 more counties
- Westmoreland County5
- Lackawanna County5
- Wayne County5
- Crawford County5
- Potter County4
- Cameron County4
- Fulton County4
- Indiana County4
- Clearfield County4
- Clinton County4
- Wyoming County4
- Washington County4
- Warren County3
- Jefferson County3
- Susquehanna County3
- Butler County2
- Armstrong County2
- Clarion County2
- Beaver County2
- Greene County2
- Bradford County2
- Mercer County1
- Venango County1
- Sullivan County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20112013
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.