Weather alerts in Pennsylvania, 1993
417 weather alerts in 1993, 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 1993. Tap one for its archive.
- Alerts
- 417
- Warnings
- 417
- Watches
- 0
- Advisories
- 0
- Busiest month
- June97 alerts
- Busiest day
- April 16, 199334 alerts
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 13, 10:44 AM EST | Flash Flood Warning | CLE | Crawford, Venango | 3 hr |
| Mar 4, 4:52 PM EST | Flash Flood Warning | PHI | Chester | 8 hr |
| Mar 4, 5:00 PM EST | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Mar 4, 6:36 PM EST | Flash Flood Warning | PHI | Delaware | 6 hr |
| Mar 4, 7:14 PM EST | Flash Flood Warning | CTP | Cumberland | 6 hr |
| Mar 4, 9:11 PM EST | Flash Flood Warning | CTP | Lancaster | 8 hr |
| Mar 4, 9:11 PM EST | Flash Flood Warning | CTP | Cumberland | 8 hr |
| Mar 23, 9:24 PM EST | Flash Flood Warning | CTP | Franklin | 6 hr |
| Mar 23, 9:27 PM EST | Flash Flood Warning | CTP | York | 6 hr |
| Mar 24, 12:35 AM EST | Flash Flood Warning | CTP | York | 4 hr |
| Mar 24, 5:51 AM EST | Flash Flood Warning | PHI | Chester | 8 hr |
| Mar 24, 7:30 AM EST | Flash Flood Warning | PHI | Bucks | 6 hr |
| Mar 29, 10:20 AM EST | Flash Flood Warning | BGM | Luzerne | 5 hr |
| Mar 30, 12:45 AM EST | Flash Flood Warning | CTP | Centre | 5 hr |
| Mar 30, 12:45 AM EST | Flash Flood Warning | PBZ | Clearfield | 3 hr |
| Mar 30, 8:25 PM EST | Flash Flood Warning | PBZ | Somerset | 9 hr |
| Mar 31, 7:14 PM EST | Flash Flood Warning | PBZ | Somerset | 12 hr |
| Apr 1, 8:20 AM EST | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Apr 1, 8:55 AM EST | Flash Flood Warning | CTP | Mifflin, Union | 3 hr |
| Apr 1, 9:55 AM EST | Flash Flood Warning | CTP | Franklin | 6 hr |
| Apr 1, 10:40 AM EST | Flash Flood Warning | BGM | Luzerne | 2 hr |
| Apr 1, 1:38 PM EST | Severe Thunderstorm Warning | PBZ | Cambria | 67 min |
| Apr 1, 6:50 PM EST | Flash Flood Warning | CTP | Cumberland, York | 3 hr |
| Apr 1, 8:43 PM EST | Flash Flood Warning | CTP | Dauphin, Lancaster | 7 hr |
| Apr 1, 9:58 PM EST | Flash Flood Warning | CTP | Adams, Cumberland, Franklin, York | 6 hr |
| Apr 1, 9:58 PM EST | Flash Flood Warning | CTP | Huntingdon, Mifflin | 6 hr |
| Apr 2, 7:46 AM EST | Flash Flood Warning | CTP | Franklin | 8 hr |
| Apr 10, 11:53 AM EDT | Flash Flood Warning | BGM | Luzerne | 3 hr |
| Apr 10, 8:48 PM EDT | Flash Flood Warning | CTP | Lancaster | 7 hr |
| Apr 10, 9:21 PM EDT | Flash Flood Warning | CTP | York | 7 hr |
| Apr 11, 4:00 AM EDT | Flash Flood Warning | CTP | Lancaster, York | 4 hr |
| Apr 16, 12:45 AM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 45 min |
| Apr 16, 12:51 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 39 min |
| Apr 16, 12:51 AM EDT | Severe Thunderstorm Warning | PBZ | Greene | 39 min |
| Apr 16, 12:58 AM EDT | Severe Thunderstorm Warning | CLE | Mercer | 47 min |
| Apr 16, 1:24 AM EDT | Severe Thunderstorm Warning | CLE | Butler, Crawford, Venango | 66 min |
| Apr 16, 1:35 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 55 min |
| Apr 16, 1:35 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 55 min |
| Apr 16, 1:45 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 45 min |
| Apr 16, 2:15 AM EDT | Severe Thunderstorm Warning | CLE | Warren | 45 min |
| Apr 16, 2:24 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 66 min |
| Apr 16, 2:24 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 66 min |
| Apr 16, 2:46 AM EDT | Severe Thunderstorm Warning | CLE | Elk, McKean | 44 min |
| Apr 16, 3:39 AM EDT | Severe Thunderstorm Warning | CLE | Cameron, Potter | 66 min |
| Apr 16, 6:33 AM EDT | Flash Flood Warning | CTP | Centre | 3 hr |
| Apr 16, 6:54 AM EDT | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Apr 16, 9:19 AM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 56 min |
| Apr 16, 9:24 AM EDT | Flash Flood Warning | CTP | Franklin | 7 hr |
| Apr 16, 9:30 AM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 60 min |
| Apr 16, 9:45 AM EDT | Severe Thunderstorm Warning | CTP | Union | 60 min |
| Apr 16, 9:45 AM EDT | Flash Flood Warning | PBZ | Blair, Cambria, Clearfield | 4 hr |
| Apr 16, 9:45 AM EDT | Flash Flood Warning | PBZ | Bedford, Somerset | 4 hr |
| Apr 16, 9:59 AM EDT | Severe Thunderstorm Warning | CTP | Bradford | 31 min |
| Apr 16, 10:15 AM EDT | Flash Flood Warning | CTP | Clinton | 4 hr |
| Apr 16, 10:15 AM EDT | Flash Flood Warning | CTP | Bradford | 4 hr |
| Apr 16, 11:25 AM EDT | Flash Flood Warning | CTP | Cumberland, Dauphin, York | 6 hr |
| Apr 16, 12:25 PM EDT | Flash Flood Warning | CTP | Tioga | 110 min |
| Apr 16, 1:56 PM EDT | Flash Flood Warning | CTP | Bradford, Clinton, Lycoming, Sullivan, Tioga | 4 hr |
| Apr 16, 3:55 PM EDT | Flash Flood Warning | CTP | Lancaster | 5 hr |
| Apr 16, 4:14 PM EDT | Flash Flood Warning | CTP | Franklin, Huntingdon | 5 hr |
| Apr 16, 5:15 PM EDT | Flash Flood Warning | CTP | Bradford, Clinton, Lycoming | 5 hr |
| Apr 16, 6:30 PM EDT | Flash Flood Warning | PBZ | Cambria | 4 hr |
| Apr 16, 6:57 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 33 min |
| Apr 16, 7:30 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 30 min |
| Apr 16, 7:48 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 57 min |
| Apr 16, 8:07 PM EDT | Flash Flood Warning | CTP | Huntingdon | 4 hr |
| Apr 16, 9:40 PM EDT | Flash Flood Warning | PBZ | Bedford, Blair, Cambria, Clearfield, Somerset | 6 hr |
| Apr 16, 9:52 PM EDT | Flash Flood Warning | CTP | Centre | 12 hr |
| Apr 16, 11:55 PM EDT | Flash Flood Warning | CTP | Huntingdon | 6 hr |
| Apr 17, 3:35 AM EDT | Flash Flood Warning | PBZ | Bedford, Blair, Cambria, Clearfield | 6 hr |
| Apr 17, 3:35 AM EDT | Flash Flood Warning | PBZ | Somerset | 6 hr |
| Apr 17, 10:00 AM EDT | Flash Flood Warning | PBZ | Bedford, Blair | 6 hr |
| Apr 22, 5:20 AM EDT | Flash Flood Warning | CTP | Lancaster | 5 hr |
| Apr 25, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | Clearfield, Indiana | 60 min |
| Apr 26, 11:27 AM EDT | Severe Thunderstorm Warning | CTP | Franklin | 63 min |
| Apr 26, 11:59 AM EDT | Flash Flood Warning | CTP | Cumberland | 3 hr |
| May 5, 2:46 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder | 44 min |
| May 12, 2:10 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington, Westmoreland | 65 min |
| May 12, 2:17 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 58 min |
| May 12, 2:17 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 58 min |
| May 12, 2:20 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 55 min |
| May 12, 2:31 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 44 min |
| May 12, 2:59 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Indiana | 61 min |
| May 12, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | York | 60 min |
| May 12, 8:18 PM EDT | Severe Thunderstorm Warning | PBZ | Clearfield | 27 min |
| May 12, 8:44 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 61 min |
| May 31, 4:19 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 41 min |
| May 31, 5:23 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 52 min |
| May 31, 8:02 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 43 min |
| Jun 5, 7:40 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 35 min |
| Jun 7, 9:52 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 68 min |
| Jun 8, 1:30 AM EDT | Flash Flood Warning | PBZ | Washington | 90 min |
| Jun 8, 1:58 AM EDT | Flash Flood Warning | PBZ | Greene | 62 min |
| Jun 8, 1:56 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 64 min |
| Jun 8, 2:34 PM EDT | Severe Thunderstorm Warning | CLE | Butler, Venango | 56 min |
| Jun 8, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 68 min |
| Jun 8, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 35 min |
| Jun 8, 5:06 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 54 min |
| Jun 8, 5:56 PM EDT | Severe Thunderstorm Warning | PBZ | Blair, Cambria | 64 min |
| Jun 8, 7:01 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 59 min |
| Jun 8, 7:09 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 66 min |
| Jun 8, 7:29 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 61 min |
| Jun 8, 7:29 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 61 min |
| Jun 8, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 62 min |
| Jun 8, 8:23 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 67 min |
| Jun 8, 8:23 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Somerset | 67 min |
| Jun 8, 8:23 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 67 min |
| Jun 8, 8:24 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 51 min |
| Jun 8, 8:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 69 min |
| Jun 8, 9:01 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 29 min |
| Jun 8, 10:18 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Blair | 42 min |
| Jun 8, 10:18 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 42 min |
| Jun 8, 10:39 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 66 min |
| Jun 8, 10:56 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Somerset | 49 min |
| Jun 8, 10:56 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 49 min |
| Jun 8, 11:57 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 63 min |
| Jun 9, 12:35 AM EDT | Severe Thunderstorm Warning | CTP | York | 25 min |
| Jun 9, 1:18 AM EDT | Severe Thunderstorm Warning | PBZ | Clearfield | 57 min |
| Jun 9, 12:19 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 26 min |
| Jun 9, 12:29 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 61 min |
| Jun 9, 12:38 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 67 min |
| Jun 9, 1:29 PM EDT | Tornado Warning | BGM | Susquehanna | 46 min |
| Jun 9, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Northampton | |
| Jun 9, 3:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 44 min |
| Jun 9, 3:26 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Somerset | 64 min |
| Jun 9, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | York | 47 min |
| Jun 9, 4:13 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 47 min |
| Jun 9, 4:30 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 45 min |
| Jun 9, 4:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 54 min |
| Jun 9, 7:25 PM EDT | Severe Thunderstorm Warning | CTP | York | 50 min |
| Jun 9, 7:43 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 62 min |
| Jun 9, 10:46 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 59 min |
| Jun 10, 12:46 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 59 min |
| Jun 15, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 61 min |
| Jun 15, 4:28 PM EDT | Tornado Warning | CTP | Bradford | 62 min |
| Jun 15, 5:11 PM EDT | Tornado Warning | CTP | Bradford | 49 min |
| Jun 15, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 42 min |
| Jun 15, 5:55 PM EDT | Tornado Warning | CTP | Bradford | 35 min |
| Jun 15, 6:08 PM EDT | Tornado Warning | BGM | Susquehanna | 52 min |
| Jun 15, 6:24 PM EDT | Tornado Warning | CTP | Bradford | 36 min |
| Jun 15, 6:31 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 44 min |
| Jun 15, 6:40 PM EDT | Tornado Warning | BGM | Susquehanna | 35 min |
| Jun 15, 7:00 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 45 min |
| Jun 15, 7:15 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wyoming | 45 min |
| Jun 15, 7:33 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 42 min |
| Jun 15, 8:15 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 45 min |
| Jun 18, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 62 min |
| Jun 18, 4:44 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 61 min |
| Jun 18, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 55 min |
| Jun 18, 5:16 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler | 59 min |
| Jun 18, 6:05 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong | 55 min |
| Jun 18, 6:05 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 55 min |
| Jun 19, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, York | 61 min |
| Jun 19, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 62 min |
| Jun 19, 5:33 PM EDT | Flash Flood Warning | CTP | York | 117 min |
| Jun 19, 9:31 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 29 min |
| Jun 20, 6:50 AM EDT | Severe Thunderstorm Warning | BGM | Wayne | 25 min |
| Jun 20, 1:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 64 min |
| Jun 20, 2:36 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 54 min |
| Jun 20, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 60 min |
| Jun 20, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 60 min |
| Jun 20, 6:10 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin | 65 min |
| Jun 20, 6:36 PM EDT | Severe Thunderstorm Warning | CTP | York | 69 min |
| Jun 20, 6:41 PM EDT | Flash Flood Warning | CTP | Dauphin | 2 hr |
| Jun 20, 7:05 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Jun 20, 7:16 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 29 min |
| Jun 20, 8:08 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 52 min |
| Jun 20, 8:09 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 36 min |
| Jun 20, 8:25 PM EDT | Flash Flood Warning | CTP | Dauphin | 3 hr |
| Jun 21, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Lebanon | 36 min |
| Jun 21, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Schuylkill | 40 min |
| Jun 21, 3:43 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 32 min |
| Jun 21, 3:49 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 26 min |
| Jun 21, 4:09 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 36 min |
| Jun 21, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 36 min |
| Jun 21, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Lehigh | 30 min |
| Jun 21, 5:41 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 64 min |
| Jun 26, 3:45 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 30 min |
| Jun 27, 6:50 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 55 min |
| Jun 27, 8:12 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 48 min |
| Jun 27, 8:28 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Venango | 62 min |
| Jun 27, 8:32 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 43 min |
| Jun 27, 8:48 PM EDT | Tornado Warning | CLE | Mercer | 42 min |
| Jun 27, 9:17 PM EDT | Severe Thunderstorm Warning | CLE | McKean, Warren | 58 min |
| Jun 28, 6:19 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 56 min |
| Jul 4, 7:53 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 67 min |
| Jul 4, 7:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 67 min |
| Jul 4, 8:06 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 69 min |
| Jul 6, 4:00 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 75 min |
| Jul 7, 2:18 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 57 min |
| Jul 7, 4:55 PM EDT | Severe Thunderstorm Warning | CLE | McKean | 65 min |
| Jul 7, 5:17 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 58 min |
| Jul 7, 9:14 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 46 min |
| Jul 7, 10:00 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 60 min |
| Jul 9, 5:20 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 100 min |
| Jul 9, 5:40 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 35 min |
| Jul 9, 5:47 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 43 min |
| Jul 9, 6:13 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 32 min |
| Jul 9, 6:16 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 44 min |
| Jul 9, 6:35 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 25 min |
| Jul 10, 1:10 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 25 min |
| Jul 10, 1:39 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 36 min |
| Jul 10, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Monroe | 34 min |
| Jul 10, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Pike | 53 min |
| Jul 10, 6:34 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 41 min |
| Jul 10, 6:40 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 35 min |
| Jul 10, 6:46 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 74 min |
| Jul 10, 7:20 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 55 min |
| Jul 10, 7:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 48 min |
| Jul 10, 7:55 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria | 65 min |
| Jul 10, 8:25 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Blair | 50 min |
| Jul 11, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 43 min |
| Jul 11, 6:05 PM EDT | Severe Thunderstorm Warning | CTP | York | 55 min |
| Jul 11, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Jul 12, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Jul 14, 1:17 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 58 min |
| Jul 14, 2:02 PM EDT | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Jul 14, 2:36 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Lehigh | 29 min |
| Jul 14, 3:00 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 45 min |
| Jul 14, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | Carbon | 28 min |
| Jul 14, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Monroe | 40 min |
| Jul 14, 9:57 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 33 min |
| Jul 14, 10:06 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 54 min |
| Jul 26, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 43 min |
| Jul 26, 2:09 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 66 min |
| Jul 26, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 64 min |
| Jul 26, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 64 min |
| Jul 26, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 64 min |
| Jul 26, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 40 min |
| Jul 26, 3:07 PM EDT | Severe Thunderstorm Warning | CLE | McKean | 68 min |
| Jul 26, 3:12 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 48 min |
| Jul 26, 3:30 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 30 min |
| Jul 26, 3:42 PM EDT | Severe Thunderstorm Warning | CLE | Elk | 63 min |
| Jul 26, 3:57 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 48 min |
| Jul 26, 4:11 PM EDT | Tornado Warning | PBZ | Indiana | 49 min |
| Jul 26, 4:18 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 57 min |
| Jul 26, 4:22 PM EDT | Severe Thunderstorm Warning | CLE | Cameron | 68 min |
| Jul 26, 4:36 PM EDT | Severe Thunderstorm Warning | CLE | Forest | 69 min |
| Jul 26, 6:03 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 42 min |
| Jul 26, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria | 66 min |
| Jul 26, 7:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 53 min |
| Jul 26, 7:54 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 51 min |
| Jul 26, 8:54 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 51 min |
| Jul 26, 9:17 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Indiana | 43 min |
| Jul 28, 4:22 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 53 min |
| Jul 28, 4:40 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Venango, Warren | 65 min |
| Jul 28, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 68 min |
| Jul 28, 5:43 PM EDT | Severe Thunderstorm Warning | CLE | Elk, Forest | 62 min |
| Jul 28, 5:53 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 67 min |
| Jul 28, 7:52 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 53 min |
| Jul 28, 7:56 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 49 min |
| Jul 28, 8:07 PM EDT | Tornado Warning | CLE | Mercer | 53 min |
| Jul 28, 8:11 PM EDT | Flash Flood Warning | CLE | Crawford, Erie | 2 hr |
| Jul 28, 8:11 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 2 hr |
| Jul 28, 9:02 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 58 min |
| Jul 28, 9:15 PM EDT | Flash Flood Warning | CLE | Forest | 2 hr |
| Jul 28, 9:22 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 11 min |
| Jul 28, 9:38 PM EDT | Flash Flood Warning | PBZ | Clearfield | 107 min |
| Jul 28, 9:45 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 75 min |
| Jul 28, 10:01 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 44 min |
| Jul 28, 10:06 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 69 min |
| Jul 28, 10:06 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 69 min |
| Jul 28, 10:56 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Somerset | 64 min |
| Jul 28, 10:56 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 64 min |
| Jul 29, 12:34 AM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 26 min |
| Jul 29, 12:43 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 47 min |
| Jul 29, 1:06 AM EDT | Flash Flood Warning | PBZ | Fayette, Greene, Washington | 3 hr |
| Jul 29, 1:55 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 65 min |
| Aug 2, 9:57 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 63 min |
| Aug 2, 10:44 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 46 min |
| Aug 2, 11:07 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 68 min |
| Aug 2, 2:11 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 49 min |
| Aug 2, 2:11 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 34 min |
| Aug 2, 2:50 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 55 min |
| Aug 2, 3:21 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 39 min |
| Aug 2, 3:31 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 29 min |
| Aug 2, 3:32 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Westmoreland | 58 min |
| Aug 2, 3:46 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 59 min |
| Aug 2, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 62 min |
| Aug 2, 4:20 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 55 min |
| Aug 2, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 65 min |
| Aug 2, 6:12 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria | 63 min |
| Aug 11, 3:15 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 60 min |
| Aug 11, 3:48 PM EDT | Flash Flood Warning | PBZ | Bedford | 57 min |
| Aug 11, 4:45 PM EDT | Flash Flood Warning | PBZ | Bedford | 75 min |
| Aug 11, 5:25 PM EDT | Flash Flood Warning | PBZ | Blair | 95 min |
| Aug 11, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 33 min |
| Aug 11, 7:13 PM EDT | Flash Flood Warning | CTP | Adams, York | 32 min |
| Aug 11, 7:13 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 32 min |
| Aug 11, 7:50 PM EDT | Flash Flood Warning | CTP | Adams, York | 55 min |
| Aug 11, 7:50 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 55 min |
| Aug 11, 8:55 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 50 min |
| Aug 12, 12:47 AM EDT | Flash Flood Warning | PBZ | Greene | 3 hr |
| Aug 14, 12:58 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 62 min |
| Aug 16, 10:48 PM EDT | Flash Flood Warning | PBZ | Armstrong | 2 hr |
| Aug 16, 11:22 PM EDT | Flash Flood Warning | PBZ | Allegheny | 98 min |
| Aug 17, 12:50 AM EDT | Flash Flood Warning | PBZ | Washington | 115 min |
| Aug 17, 12:50 AM EDT | Flash Flood Warning | PBZ | Allegheny | 115 min |
| Aug 17, 4:37 AM EDT | Flash Flood Warning | CTP | Lehigh | 3 hr |
| Aug 17, 4:59 AM EDT | Flash Flood Warning | PHI | Bucks | 5 hr |
| Aug 17, 5:03 AM EDT | Flash Flood Warning | CTP | Northampton | 3 hr |
| Aug 17, 1:41 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 64 min |
| Aug 17, 3:45 PM EDT | Flash Flood Warning | BGM | Luzerne | 75 min |
| Aug 17, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Blair | 63 min |
| Aug 17, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 63 min |
| Aug 17, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 63 min |
| Aug 17, 4:41 PM EDT | Flash Flood Warning | PBZ | Clearfield | 109 min |
| Aug 17, 5:27 PM EDT | Flash Flood Warning | PBZ | Fayette, Somerset, Westmoreland | 93 min |
| Aug 17, 5:27 PM EDT | Flash Flood Warning | PBZ | Greene | 93 min |
| Aug 17, 5:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset, Westmoreland | 93 min |
| Aug 17, 5:27 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 93 min |
| Aug 17, 5:33 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 57 min |
| Aug 17, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 69 min |
| Aug 17, 6:22 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 2 hr |
| Aug 17, 6:57 PM EDT | Flash Flood Warning | PBZ | Fayette, Somerset, Westmoreland | 63 min |
| Aug 17, 6:57 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset, Westmoreland | 63 min |
| Aug 27, 4:25 PM EDT | Flash Flood Warning | PBZ | Clarion | 2 hr |
| Aug 27, 5:38 PM EDT | Flash Flood Warning | CLE | Forest, Venango | 82 min |
| Aug 27, 5:38 PM EDT | Severe Thunderstorm Warning | CLE | Forest, Venango | 82 min |
| Aug 27, 6:33 PM EDT | Flash Flood Warning | CLE | Forest, Venango | 2 hr |
| Aug 27, 6:36 PM EDT | Severe Thunderstorm Warning | CLE | Forest, Venango | 2 hr |
| Aug 27, 7:04 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 56 min |
| Aug 27, 8:10 PM EDT | Flash Flood Warning | CLE | Lawrence, Mercer | 2 hr |
| Aug 27, 8:28 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 47 min |
| Aug 27, 10:15 PM EDT | Flash Flood Warning | CLE | Lawrence, Mercer | 3 hr |
| Aug 28, 1:20 PM EDT | Severe Thunderstorm Warning | BGM | Columbia | 25 min |
| Aug 28, 1:29 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 46 min |
| Aug 28, 1:42 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne | 48 min |
| Aug 28, 1:48 PM EDT | Severe Thunderstorm Warning | BGM | Columbia | 42 min |
| Aug 28, 1:58 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 47 min |
| Aug 28, 2:31 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 44 min |
| Aug 28, 3:22 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 68 min |
| Aug 28, 4:31 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 59 min |
| Aug 28, 5:45 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 52 min |
| Aug 28, 6:34 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 26 min |
| Aug 28, 7:18 PM EDT | Severe Thunderstorm Warning | CTP | York | 27 min |
| Aug 28, 7:40 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 35 min |
| Aug 30, 6:05 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 55 min |
| Aug 30, 6:25 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 95 min |
| Aug 31, 9:20 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 25 min |
| Aug 31, 1:08 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 67 min |
| Aug 31, 1:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 69 min |
| Aug 31, 1:41 PM EDT | Severe Thunderstorm Warning | CLE | Potter | 64 min |
| Aug 31, 2:32 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 58 min |
| Aug 31, 2:35 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 55 min |
| Aug 31, 2:43 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 62 min |
| Aug 31, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 65 min |
| Aug 31, 3:59 PM EDT | Severe Thunderstorm Warning | CLE | Elk | 61 min |
| Aug 31, 4:12 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 63 min |
| Aug 31, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 30 min |
| Aug 31, 5:59 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 46 min |
| Aug 31, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 42 min |
| Sep 2, 3:45 PM EDT | Severe Thunderstorm Warning | CLE | Elk | 60 min |
| Sep 2, 3:47 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 58 min |
| Sep 2, 3:53 PM EDT | Severe Thunderstorm Warning | PBZ | Clearfield | 52 min |
| Sep 2, 4:03 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 57 min |
| Sep 2, 4:16 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 44 min |
| Sep 2, 4:27 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 63 min |
| Sep 2, 4:45 PM EDT | Severe Thunderstorm Warning | CLE | Cameron | 60 min |
| Sep 2, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 60 min |
| Sep 2, 4:59 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 61 min |
| Sep 2, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 69 min |
| Sep 2, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 2 hr |
| Sep 2, 5:25 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 65 min |
| Sep 2, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 60 min |
| Sep 2, 6:26 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 64 min |
| Sep 2, 6:51 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 39 min |
| Sep 2, 7:05 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 55 min |
| Sep 2, 7:10 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 65 min |
| Sep 2, 7:11 PM EDT | Severe Thunderstorm Warning | CLE | Venango, Warren | 64 min |
| Sep 2, 7:35 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 55 min |
| Sep 2, 8:18 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 57 min |
| Sep 2, 8:29 PM EDT | Severe Thunderstorm Warning | CLE | McKean, Warren | 61 min |
| Sep 2, 10:27 PM EDT | Flash Flood Warning | CLE | McKean | 3 hr |
| Sep 3, 12:35 AM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 25 min |
| Sep 3, 12:49 AM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 26 min |
| Sep 3, 3:09 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset | 66 min |
| Sep 3, 3:45 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 45 min |
| Sep 3, 3:50 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 40 min |
| Sep 3, 3:57 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 63 min |
| Sep 3, 4:09 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 36 min |
| Sep 3, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 38 min |
| Sep 3, 4:24 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Clarion | 66 min |
| Sep 3, 4:28 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 47 min |
| Sep 3, 4:46 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 59 min |
| Sep 3, 4:51 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 69 min |
| Sep 3, 5:21 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 69 min |
| Sep 3, 6:39 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 66 min |
| Sep 3, 6:58 PM EDT | Severe Thunderstorm Warning | BGM | Columbia | 62 min |
| Sep 3, 7:00 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 45 min |
| Sep 3, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 59 min |
| Sep 3, 7:24 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 66 min |
| Sep 3, 7:26 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 49 min |
| Sep 3, 7:51 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 69 min |
| Sep 3, 8:06 PM EDT | Severe Thunderstorm Warning | CTP | Lehigh | 31 min |
| Sep 3, 8:38 PM EDT | Flash Flood Warning | BGM | Lackawanna | 2 hr |
| Sep 9, 4:33 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 57 min |
| Sep 10, 1:36 AM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 54 min |
| Sep 27, 12:50 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Sep 28, 7:48 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver | 42 min |
| Nov 17, 2:06 PM EST | Severe Thunderstorm Warning | PBZ | Greene | 39 min |
| Nov 27, 3:58 PM EST | Flash Flood Warning | PBZ | Greene | 6 hr |
| Nov 27, 3:58 PM EST | Flash Flood Warning | PBZ | Westmoreland | 6 hr |
| Nov 27, 6:47 PM EST | Flash Flood Warning | CLE | Cameron | 3 hr |
| Nov 27, 11:27 PM EST | Flash Flood Warning | PBZ | Cambria, Clearfield, Jefferson | 5 hr |
| Nov 27, 11:45 PM EST | Flash Flood Warning | CLE | Cameron | 4 hr |
| Nov 28, 12:36 AM EST | Flash Flood Warning | CTP | Huntingdon | 3 hr |
| Nov 28, 1:08 AM EST | Flash Flood Warning | PBZ | Somerset | 3 hr |
| Nov 28, 1:50 AM EST | Flash Flood Warning | CLE | Potter | 4 hr |
| Nov 28, 2:01 AM EST | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Nov 28, 3:30 AM EST | Flash Flood Warning | PBZ | Bedford, Blair | 2 hr |
| Nov 28, 3:41 AM EST | Flash Flood Warning | CTP | Huntingdon | 4 hr |
| Nov 28, 4:40 AM EST | Flash Flood Warning | CTP | Clinton | 5 hr |
| Nov 28, 5:16 AM EST | Flash Flood Warning | CTP | Lancaster | 3 hr |
| Nov 28, 5:29 AM EST | Flash Flood Warning | PBZ | Bedford, Blair | 5 hr |
| Nov 28, 6:01 AM EST | Flash Flood Warning | CTP | Schuylkill | 4 hr |
| Dec 5, 4:38 AM EST | Flash Flood Warning | CTP | Lancaster, York | 4 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 302 |
| Tornado Warning | 10 |
| Flooding | |
| Flash Flood Warning | 105 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- York County27
- Lancaster County25
- Somerset County21
- Bedford County20
- Westmoreland County17
- Clarion County17
- Crawford County16
- Greene County15
- Fayette County15
- Armstrong County15
- Butler County14
- Franklin County13
- Cambria County13
- Mercer County13
- Washington County13
- Venango County12
- Lawrence County12
- Erie County12
- Indiana County12
- Susquehanna County12
- Cumberland County11
- Clearfield County11
- Adams County11
- Allegheny County11
- Blair County11
- Bradford County11
- Wayne County10
- Lackawanna County10
- Huntingdon County9
- Berks County9
- Centre County8
- Warren County8
- Luzerne County7
- Forest County7
- Chester County6
- McKean County6
- Clinton County6
- Beaver County6
- Montgomery County6
- Bucks County5
25 more counties
- Dauphin County5
- Jefferson County5
- Elk County5
- Cameron County5
- Wyoming County5
- Lycoming County4
- Tioga County4
- Sullivan County4
- Lehigh County4
- Delaware County3
- Potter County3
- Fulton County3
- Philadelphia County3
- Columbia County3
- Mifflin County2
- Union County2
- Northampton County2
- Lebanon County2
- Schuylkill County2
- Monroe County2
- Juniata County1
- Snyder County1
- Perry County1
- Pike County1
- Carbon County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19921994
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.