Alert archive / Pennsylvania / 2012
Weather alerts in Pennsylvania, May 2012
456 weather alerts in May 2012, 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 May 2012. Tap one for its archive.
- Alerts
- 456
- Warnings
- 123
- Watches
- 11
- Advisories
- 71
- Busiest day
- May 29, 201285 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 |
|---|---|---|---|---|
| May 1, 10:28 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 29 min |
| May 1, 11:00 PM EDT | Special Weather Statement | PBZ | Greene | 45 min |
| May 2, 5:58 AM EDT | Special Weather Statement | PHI | Chester | 92 min |
| May 2, 4:56 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 20 more | 2 hr |
| May 2, 5:36 PM EDT | Special Weather Statement | PBZ | Armstrong, Indiana | 24 min |
| May 2, 7:05 PM EDT | Special Weather Statement | CTP | Warren | 55 min |
| May 2, 7:42 PM EDT | Special Weather Statement | CTP | McKean | 63 min |
| May 2, 7:57 PM EDT | Special Weather Statement | CTP | Warren | 63 min |
| May 2, 8:01 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 29 min |
| May 2, 8:29 PM EDT | Special Weather Statement | PBZ | Forest | 46 min |
| May 2, 8:38 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Potter, Tioga, Warren | 52 min |
| May 2, 8:58 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 1 more | 62 min |
| May 2, 9:19 PM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 3 hr |
| May 2, 9:56 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clinton, Lycoming, Potter, Tioga | 34 min |
| May 2, 10:27 PM EDT | Special Weather Statement | CTP | Lycoming, Union | 33 min |
| May 2, 10:59 PM EDT | Special Weather Statement | CTP | Montour, Northumberland, Snyder, Union | 31 min |
| May 3, 12:16 AM EDT | Special Weather Statement | PBZ | Jefferson | 44 min |
| May 3, 12:35 AM EDT | Special Weather Statement | CTP | Blair | 25 min |
| May 3, 12:44 AM EDT | Special Weather Statement | PHI | Northampton | 61 min |
| May 3, 1:49 AM EDT | Special Weather Statement | CTP | Cumberland, Lancaster, York | 71 min |
| May 3, 2:18 AM EDT | Special Weather Statement | PBZ | Beaver | 57 min |
| May 3, 2:43 AM EDT | Special Weather Statement | PBZ | Armstrong, Butler | 62 min |
| May 3, 3:24 AM EDT | Special Weather Statement | PBZ | Armstrong, Indiana | 66 min |
| May 3, 5:04 AM EDT | Special Weather Statement | PBZ | Armstrong, Indiana | 56 min |
| May 3, 5:16 AM EDT | Special Weather Statement | CTP | Bedford, Fulton | 44 min |
| May 3, 5:56 AM EDT | Special Weather Statement | PBZ | Westmoreland | 64 min |
| May 3, 7:19 AM EDT | Special Weather Statement | PBZ | Fayette | 56 min |
| May 3, 12:39 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 36 min |
| May 3, 1:25 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 40 min |
| May 3, 1:43 PM EDT | Special Weather Statement | CTP | Warren | 47 min |
| May 3, 2:39 PM EDT | Special Weather Statement | PBZ | Jefferson | 36 min |
| May 3, 2:51 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 39 min |
| May 3, 3:13 PM EDT | Special Weather Statement | PBZ | Jefferson | 47 min |
| May 3, 3:20 PM EDT | Special Weather Statement | CTP | Cameron | 25 min |
| May 3, 3:25 PM EDT | Special Weather Statement | PBZ | Forest | 35 min |
| 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, 3:55 PM EDT | Special Weather Statement | CTP | Elk | 50 min |
| May 3, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 45 min |
| May 3, 4:18 PM EDT | Flash Flood Warning | CTP | Centre, Clearfield, Clinton | 3 hr |
| May 3, 4:44 PM EDT | Special Weather Statement | CTP | Clearfield | 31 min |
| May 3, 5:04 PM EDT | Special Weather Statement | CTP | Centre | 41 min |
| May 3, 5:09 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 42 min |
| May 3, 5:18 PM EDT | Special Weather Statement | CTP | Cumberland | 57 min |
| May 3, 5:21 PM EDT | Special Weather Statement | CTP | Lycoming | 24 min |
| May 3, 5:29 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Juniata, Mifflin, Snyder, Union | 46 min |
| May 3, 5:45 PM EDT | Mesoscale Discussion | SPC | Bradford, Cameron, Centre, Clinton, Columbia, Cumberland and 14 more | 60 min |
| May 3, 6:04 PM EDT | Special Weather Statement | CTP | Warren | 56 min |
| May 3, 6:13 PM EDT | Special Weather Statement | CTP | Juniata, Northumberland, Perry, Snyder | 47 min |
| May 3, 6:33 PM EDT | Special Weather Statement | CTP | McKean | 57 min |
| May 3, 6:45 PM EDT | Special Weather Statement | CTP | Juniata, Perry | 60 min |
| May 3, 6:56 PM EDT | Special Weather Statement | CTP | Dauphin, Northumberland | 64 min |
| May 3, 7:05 PM EDT | Special Weather Statement | CTP | Fulton | 25 min |
| May 3, 7:30 PM EDT | Special Weather Statement | CTP | Fulton | 45 min |
| May 3, 7:32 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 58 min |
| May 3, 8:00 PM EDT | Areal Flood Advisory | CTP | Bedford, Franklin, Fulton | 3 hr |
| May 3, 8:10 PM EDT | Special Weather Statement | CTP | Franklin | 65 min |
| May 4, 12:19 AM EDT | Mesoscale Discussion | SPC | Bradford, Tioga | 86 min |
| May 4, 12:27 AM EDT | Special Weather Statement | CTP | McKean | 33 min |
| May 4, 12:46 AM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter, Warren | 59 min |
| May 4, 3:22 AM EDT | Special Weather Statement | CTP | Columbia, Montour, Union | 68 min |
| May 4, 4:37 AM EDT | Special Weather Statement | PHI | Carbon, Monroe | 53 min |
| May 4, 1:26 PM EDT | Mesoscale Discussion | SPC | Adams, Armstrong, Bedford, Berks, Blair, Bucks and 47 more | 2 hr |
| May 4, 1:44 PM EDT | Special Weather Statement | CTP | Dauphin | 46 min |
| May 4, 3:20 PM EDT | Special Weather Statement | CTP | Schuylkill | 25 min |
| May 4, 4:14 PM EDT | Special Weather Statement | BGM | Luzerne | 31 min |
| May 4, 4:45 PM EDT | Special Weather Statement | PHI | Carbon | 45 min |
| May 4, 4:57 PM EDT | Special Weather Statement | CTP | Cameron | 48 min |
| May 4, 5:07 PM EDT | Special Weather Statement | PBZ | Clarion | 23 min |
| May 4, 5:48 PM EDT | Special Weather Statement | CTP | Dauphin | 27 min |
| May 4, 6:07 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 113 min |
| May 4, 6:08 PM EDT | Special Weather Statement | CTP | Dauphin | 37 min |
| May 4, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Perry | 34 min |
| May 4, 7:03 PM EDT | Special Weather Statement | PBZ | Indiana | 27 min |
| May 4, 7:18 PM EDT | Special Weather Statement | CTP | Perry | 27 min |
| May 4, 8:56 PM EDT | Special Weather Statement | CTP | Lancaster | 64 min |
| May 4, 9:54 PM EDT | Special Weather Statement | PHI | Chester, Delaware | 66 min |
| May 6, 3:47 AM EDT | Coastal Flood Advisory | PHI | Delaware, Philadelphia | 24 hr |
| May 7, 5:42 AM EDT | Coastal Flood Statement | PHI | Delaware, Philadelphia | 22 hr |
| May 7, 1:07 PM EDT | Special Weather Statement | PBZ | Armstrong, Butler | 53 min |
| May 7, 1:40 PM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 2 hr |
| May 7, 1:59 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 61 min |
| May 7, 2:51 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 54 min |
| May 7, 3:28 PM EDT | Special Weather Statement | CTP | Clearfield | 47 min |
| May 7, 3:28 PM EDT | Special Weather Statement | PBZ | Venango | 47 min |
| May 7, 4:15 PM EDT | Special Weather Statement | CTP | Clearfield | 45 min |
| May 7, 4:26 PM EDT | Special Weather Statement | PBZ | Beaver | 49 min |
| May 7, 4:29 PM EDT | Special Weather Statement | PBZ | Clarion, Jefferson, Venango | 61 min |
| May 7, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 60 min |
| May 7, 4:36 PM EDT | Special Weather Statement | PBZ | Beaver | 39 min |
| May 7, 5:11 PM EDT | Special Weather Statement | PBZ | Armstrong | 64 min |
| May 7, 5:45 PM EDT | Special Weather Statement | PBZ | Greene | 45 min |
| May 7, 5:49 PM EDT | Special Weather Statement | PBZ | Allegheny | 56 min |
| May 7, 6:21 PM EDT | Special Weather Statement | PBZ | Armstrong, Indiana | 54 min |
| May 7, 7:43 PM EDT | Special Weather Statement | PBZ | Mercer | 47 min |
| May 7, 8:29 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 46 min |
| May 7, 8:36 PM EDT | Special Weather Statement | PBZ | Mercer | 39 min |
| May 7, 9:24 PM EDT | Special Weather Statement | PBZ | Lawrence, Mercer | 51 min |
| May 7, 9:33 PM EDT | Areal Flood Advisory | PBZ | Mercer | 3 hr |
| May 7, 10:11 PM EDT | Special Weather Statement | PBZ | Allegheny | 34 min |
| May 7, 10:32 PM EDT | Flash Flood Warning | PBZ | Mercer | 4 hr |
| May 8, 12:09 AM EDT | Areal Flood Advisory | PBZ | Butler | 3 hr |
| May 8, 7:22 AM EDT | Flood Watch | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more | 5 hr |
| May 8, 6:47 PM EDT | Special Weather Statement | PBZ | Westmoreland | 58 min |
| May 8, 7:53 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| May 9, 5:22 PM EDT | Special Weather Statement | PBZ | Lawrence, Mercer | 53 min |
| May 9, 8:57 PM EDT | Special Weather Statement | PBZ | Westmoreland | 33 min |
| May 10, 2:58 PM EDT | Frost Advisory | CTP | Cambria, Cameron, Clearfield, Elk, Potter, Somerset and 2 more | 17 hr |
| May 10, 2:58 PM EDT | Freeze Warning | CTP | McKean | 17 hr |
| May 10, 3:19 PM EDT | Frost Advisory | BGM | Bradford | 15 hr |
| May 10, 4:03 PM EDT | Frost Advisory | PBZ | Clarion, Fayette, Forest, Jefferson, Mercer, Venango and 1 more | 16 hr |
| May 10, 9:27 PM EDT | Frost Advisory | CLE | Crawford, Erie | 9 hr |
| May 15, 3:34 AM EDT | Dense Fog Advisory | PBZ | Allegheny, Beaver, Butler, Greene, Lawrence, Mercer and 2 more | 6 hr |
| May 15, 6:40 AM EDT | Special Weather Statement | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 50 min |
| May 15, 7:30 AM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 2 hr |
| May 15, 9:03 AM EDT | Special Weather Statement | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 117 min |
| May 15, 10:51 AM EDT | Special Weather Statement | PHI | Bucks, Monroe, Northampton | 114 min |
| May 15, 8:19 PM EDT | Special Weather Statement | PHI | Bucks | 86 min |
| May 15, 8:46 PM EDT | Areal Flood Warning | PHI | Northampton | 76 min |
| May 15, 9:00 PM EDT | Special Weather Statement | PHI | Berks | 90 min |
| May 15, 9:49 PM EDT | Special Weather Statement | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 86 min |
| May 15, 10:45 PM EDT | Areal Flood Advisory | PHI | Chester | 57 min |
| May 15, 11:05 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery | 55 min |
| May 15, 11:24 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 116 min |
| May 15, 11:38 PM EDT | Areal Flood Warning | PHI | Chester, Montgomery | 4 hr |
| May 15, 11:46 PM EDT | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 7 hr |
| May 16, 12:12 AM EDT | Areal Flood Advisory | PHI | Chester, Delaware, Montgomery | 3 hr |
| May 16, 12:20 AM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 55 min |
| May 16, 12:34 AM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 4 hr |
| May 16, 2:37 AM EDT | Areal Flood Warning | PHI | Philadelphia | 3 hr |
| May 16, 4:27 AM EDT | Areal Flood Warning | PHI | Delaware | 3 hr |
| May 16, 12:27 PM EDT | Mesoscale Discussion | SPC | Bradford, Susquehanna, Wayne, Wyoming | 2 hr |
| May 16, 1:18 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Lackawanna, Luzerne, Pike, Susquehanna, Wayne and 1 more | 9 hr |
| May 16, 2:09 PM EDT | Frost Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 18 hr |
| May 16, 2:55 PM EDT | Special Weather Statement | CTP | Clearfield | 65 min |
| May 16, 3:14 PM EDT | Frost Advisory | CLE | Crawford, Erie | 17 hr |
| May 16, 3:19 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Clinton | 56 min |
| May 16, 3:36 PM EDT | Frost Advisory | PBZ | Forest, Mercer, Venango | 16 hr |
| May 16, 3:37 PM EDT | Mesoscale Discussion | SPC | Bradford, Susquehanna, Wayne, Wyoming | 113 min |
| May 16, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Lycoming | 56 min |
| May 16, 4:02 PM EDT | Special Weather Statement | CTP | Clinton | 43 min |
| May 16, 5:21 PM EDT | Special Weather Statement | CTP | Tioga | 24 min |
| May 17, 3:33 AM EDT | Frost Advisory | BGM | Bradford, Susquehanna, Wayne | 28 hr |
| May 17, 1:05 PM EDT | Frost Advisory | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 3 more | 19 hr |
| May 17, 1:32 PM EDT | Frost Advisory | PBZ | Forest | 18 hr |
| May 17, 9:55 PM EDT | Coastal Flood Statement | PHI | Delaware, Philadelphia | 108 min |
| May 21, 3:27 PM EDT | Special Weather Statement | PBZ | Venango | 63 min |
| May 21, 4:51 PM EDT | Special Weather Statement | PBZ | Fayette | 54 min |
| May 21, 5:10 PM EDT | Special Weather Statement | PBZ | Mercer | 65 min |
| May 21, 5:47 PM EDT | Special Weather Statement | PBZ | Fayette | 58 min |
| May 21, 6:19 PM EDT | Special Weather Statement | PBZ | Allegheny | 56 min |
| May 21, 6:24 PM EDT | Areal Flood Advisory | PBZ | Fayette | 72 min |
| May 21, 6:31 PM EDT | Special Weather Statement | PBZ | Washington | 59 min |
| May 21, 6:50 PM EDT | Special Weather Statement | PBZ | Lawrence | 55 min |
| May 22, 3:30 PM EDT | Special Weather Statement | PBZ | Fayette | 60 min |
| May 22, 3:33 PM EDT | Special Weather Statement | PBZ | Armstrong | 42 min |
| May 22, 3:37 PM EDT | Special Weather Statement | PBZ | Allegheny | 38 min |
| May 22, 3:41 PM EDT | Special Weather Statement | PBZ | Armstrong | 49 min |
| May 22, 3:45 PM EDT | Special Weather Statement | PBZ | Forest | 45 min |
| May 22, 4:03 PM EDT | Special Weather Statement | PBZ | Westmoreland | 27 min |
| May 22, 4:25 PM EDT | Areal Flood Advisory | CTP | Warren | 3 hr |
| May 22, 4:29 PM EDT | Special Weather Statement | PBZ | Forest | 31 min |
| May 22, 4:33 PM EDT | Special Weather Statement | PBZ | Westmoreland | 27 min |
| May 22, 4:35 PM EDT | Special Weather Statement | PBZ | Armstrong | 25 min |
| May 22, 4:54 PM EDT | Special Weather Statement | PBZ | Jefferson | 66 min |
| May 22, 4:56 PM EDT | Special Weather Statement | PBZ | Westmoreland | 34 min |
| May 22, 5:28 PM EDT | Special Weather Statement | PBZ | Westmoreland | 32 min |
| May 22, 5:41 PM EDT | Areal Flood Advisory | PBZ | Armstrong, Clarion, Jefferson | 3 hr |
| May 22, 5:56 PM EDT | Special Weather Statement | PBZ | Jefferson | 19 min |
| May 22, 6:32 PM EDT | Special Weather Statement | CTP | Bedford, Blair | 28 min |
| May 22, 7:22 PM EDT | Special Weather Statement | CTP | Bedford, Huntingdon | 53 min |
| May 22, 7:46 PM EDT | Special Weather Statement | PHI | Bucks | 59 min |
| May 22, 8:41 PM EDT | Special Weather Statement | PHI | Carbon, Lehigh | 64 min |
| May 22, 8:45 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh | 55 min |
| May 23, 1:19 PM EDT | Special Weather Statement | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more | 41 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, 3:07 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 113 min |
| May 23, 4:10 PM EDT | Areal Flood Advisory | CTP | Juniata, Mifflin | 2 hr |
| May 23, 4:52 PM EDT | Special Weather Statement | PHI | Berks, Lehigh, Northampton | 113 min |
| May 23, 5:47 PM EDT | Areal Flood Advisory | CTP | Snyder | 88 min |
| May 23, 5:55 PM EDT | Special Weather Statement | PHI | Montgomery | 65 min |
| May 23, 6:41 PM EDT | Special Weather Statement | PHI | Berks, Lehigh, Montgomery | 94 min |
| May 23, 6:48 PM EDT | Special Weather Statement | PBZ | Westmoreland | 42 min |
| May 24, 1:47 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 43 min |
| May 24, 1:57 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 63 min |
| May 24, 2:01 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 83 min |
| May 24, 2:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 52 min |
| May 24, 2:21 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 97 min |
| May 24, 2:26 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery | 64 min |
| May 24, 2:32 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 29 min |
| May 24, 2:36 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 54 min |
| May 24, 3:09 PM EDT | Special Weather Statement | PHI | Berks, Lehigh | 66 min |
| May 24, 3:13 PM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 91 min |
| May 24, 3:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 59 min |
| May 24, 3:38 PM EDT | Special Weather Statement | PHI | Northampton | 67 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 24, 4:07 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 83 min |
| May 24, 4:23 PM EDT | Special Weather Statement | PHI | Monroe | 97 min |
| May 24, 8:33 PM EDT | Special Weather Statement | CTP | Franklin | 27 min |
| May 26, 12:46 PM EDT | Special Weather Statement | BGM | Luzerne | 44 min |
| May 26, 12:51 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 39 min |
| May 26, 1:16 PM EDT | Special Weather Statement | CTP | Clearfield | 29 min |
| May 26, 1:17 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Columbia, Dauphin, Lancaster and 10 more | 88 min |
| May 26, 1:41 PM EDT | Special Weather Statement | CTP | Centre | 34 min |
| May 26, 1:46 PM EDT | Special Weather Statement | CTP | Clearfield | 29 min |
| May 26, 1:55 PM EDT | Special Weather Statement | BGM | Luzerne | 65 min |
| May 26, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 58 min |
| May 26, 2:08 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Columbia, Dauphin, Lancaster and 10 more | 37 min |
| May 26, 2:11 PM EDT | Special Weather Statement | CTP | Northumberland, Snyder, Union | 49 min |
| May 26, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 58 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, 2:29 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Berks, Bucks, Carbon, Columbia, Cumberland and 18 more | 6 hr |
| May 26, 2:34 PM EDT | Special Weather Statement | CTP | Clearfield | 56 min |
| May 26, 2:35 PM EDT | Special Weather Statement | CTP | Clearfield | 55 min |
| May 26, 2:35 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder, Union | 55 min |
| May 26, 2:36 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 5 hr |
| May 26, 2:42 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 48 min |
| May 26, 2:43 PM EDT | Special Weather Statement | CTP | Bedford | 62 min |
| May 26, 2:46 PM EDT | Special Weather Statement | PHI | Carbon | 44 min |
| May 26, 2:53 PM EDT | Special Weather Statement | CTP | Schuylkill | 52 min |
| 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, 3:32 PM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 4 hr |
| May 26, 3:37 PM EDT | Areal Flood Advisory | CTP | Schuylkill | 3 hr |
| May 26, 3:39 PM EDT | Special Weather Statement | PHI | Monroe | 51 min |
| May 26, 3:40 PM EDT | Excessive Heat Watch | PHI | Delaware, Philadelphia | 23 hr |
| May 26, 3:43 PM EDT | Special Weather Statement | CTP | Columbia | 32 min |
| May 26, 3:45 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 60 min |
| 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, 3:51 PM EDT | Special Weather Statement | PHI | Carbon | 39 min |
| May 26, 3:54 PM EDT | Flash Flood Warning | PHI | Carbon | 4 hr |
| May 26, 3:57 PM EDT | Flash Flood Warning | CTP | Schuylkill | 3 hr |
| May 26, 4:05 PM EDT | Special Weather Statement | CTP | Blair | 55 min |
| May 26, 4:07 PM EDT | Special Weather Statement | CTP | Lycoming | 38 min |
| May 26, 4:11 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| May 26, 4:12 PM EDT | Special Weather Statement | CTP | Huntingdon | 63 min |
| May 26, 4:16 PM EDT | Areal Flood Advisory | CTP | Juniata, Perry | 3 hr |
| May 26, 4:29 PM EDT | Special Weather Statement | CTP | Cambria | 46 min |
| May 26, 4:31 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe, Northampton | 3 hr |
| May 26, 4:37 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 38 min |
| May 26, 4:45 PM EDT | Special Weather Statement | CTP | Blair, Cambria, Huntingdon, Perry | 60 min |
| May 26, 4:46 PM EDT | Special Weather Statement | CTP | Columbia, Schuylkill | 74 min |
| May 26, 4:54 PM EDT | Special Weather Statement | PHI | Northampton | 51 min |
| May 26, 5:26 PM EDT | Special Weather Statement | PHI | Bucks | 49 min |
| May 26, 5:28 PM EDT | Special Weather Statement | CTP | Cambria | 47 min |
| May 26, 5:33 PM EDT | Flash Flood Warning | PHI | Monroe | 114 min |
| May 26, 5:35 PM EDT | Flash Flood Warning | CTP | Columbia, Schuylkill | 85 min |
| 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, 6:02 PM EDT | Special Weather Statement | PHI | Berks | 43 min |
| May 26, 6:04 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Columbia, Cumberland and 13 more | 56 min |
| May 26, 6:09 PM EDT | Special Weather Statement | CTP | Bedford | 36 min |
| May 26, 6:10 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Montgomery | 111 min |
| May 26, 6:26 PM EDT | Special Weather Statement | PHI | Berks | 49 min |
| May 26, 6:44 PM EDT | Special Weather Statement | CTP | Bedford | 46 min |
| May 26, 6:45 PM EDT | Special Weather Statement | CTP | Lancaster | 75 min |
| May 26, 6:51 PM EDT | Special Weather Statement | CTP | Northumberland, Schuylkill | 54 min |
| May 26, 7:06 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 39 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 26, 7:22 PM EDT | Special Weather Statement | CTP | Lancaster | 53 min |
| May 26, 7:33 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 57 min |
| May 27, 2:19 AM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Montgomery, Northampton | 56 min |
| May 27, 2:37 AM EDT | Dense Fog Advisory | CTP | Bedford, Blair, Centre, Fulton, Huntingdon, Mifflin | 6 hr |
| May 27, 2:54 AM EDT | Special Weather Statement | PHI | Bucks | 66 min |
| May 27, 3:06 AM EDT | Special Weather Statement | CTP | Schuylkill | 24 min |
| May 27, 3:10 AM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery | 3 hr |
| May 27, 3:35 AM EDT | Special Weather Statement | PHI | Berks | 55 min |
| May 27, 3:46 AM EDT | Special Weather Statement | PHI | Bucks, Montgomery | 59 min |
| May 27, 4:08 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 4 hr |
| May 27, 4:35 AM EDT | Special Weather Statement | PHI | Berks | 55 min |
| May 27, 4:46 AM EDT | Special Weather Statement | PHI | Philadelphia | 59 min |
| 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, 5:18 AM EDT | Special Weather Statement | PHI | Berks | 57 min |
| May 27, 5:47 AM EDT | Special Weather Statement | PHI | Berks | 58 min |
| May 27, 5:57 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery, Philadelphia | 2 hr |
| May 27, 8:48 AM EDT | Special Weather Statement | PHI | Montgomery | 42 min |
| May 27, 9:26 AM EDT | Special Weather Statement | PHI | Bucks, Lehigh | 49 min |
| May 27, 10:07 AM EDT | Areal Flood Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Philadelphia | 3 hr |
| May 27, 12:56 PM EDT | Mesoscale Discussion | SPC | Armstrong, Beaver, Butler, Clarion, Crawford, Erie and 5 more | 64 min |
| May 27, 1:33 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 9 more | 5 hr |
| May 27, 1:38 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland | 82 min |
| May 27, 1:41 PM EDT | Mesoscale Discussion | SPC | Allegheny, Bedford, Blair, Cambria, Cumberland, Fayette and 11 more | 64 min |
| May 27, 1:47 PM EDT | Special Weather Statement | CTP | Somerset | 43 min |
| May 27, 1:52 PM EDT | Flash Flood Warning | CTP | Adams, Cumberland | 83 min |
| May 27, 1:52 PM EDT | Special Weather Statement | CTP | Adams | 53 min |
| May 27, 2:00 PM EDT | Special Weather Statement | PBZ | Beaver | 45 min |
| May 27, 2:03 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 43 min |
| May 27, 2:14 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence | 46 min |
| May 27, 2:28 PM EDT | Special Weather Statement | CTP | Bedford | 62 min |
| May 27, 2:46 PM EDT | Special Weather Statement | PBZ | Butler | 59 min |
| May 27, 2:58 PM EDT | Special Weather Statement | PBZ | Lawrence | 47 min |
| May 27, 3:01 PM EDT | Excessive Heat Warning | PHI | Delaware, Philadelphia | 52 hr |
| May 27, 3:02 PM EDT | Special Weather Statement | PBZ | Venango | 58 min |
| May 27, 3:06 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Beaver, Butler, Clarion, Lawrence, Mercer | 54 min |
| May 27, 3:25 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Mercer, Venango | 50 min |
| May 27, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 45 min |
| May 27, 3:58 PM EDT | Special Weather Statement | CTP | Elk | 77 min |
| May 27, 3:58 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Jefferson | 47 min |
| May 27, 4:00 PM EDT | Special Weather Statement | PBZ | Butler, Lawrence | 45 min |
| May 27, 4:02 PM EDT | Special Weather Statement | CTP | Schuylkill | 58 min |
| May 27, 4:12 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria and 18 more | 63 min |
| May 27, 4:20 PM EDT | Areal Flood Advisory | PBZ | Clarion, Venango | 3 hr |
| May 27, 4:25 PM EDT | Special Weather Statement | CTP | Clearfield | 35 min |
| May 27, 4:28 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 47 min |
| May 27, 4:34 PM EDT | Special Weather Statement | PBZ | Beaver | 41 min |
| May 27, 4:36 PM EDT | Special Weather Statement | PBZ | Armstrong, Indiana | 39 min |
| May 27, 4:37 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Cameron, Clearfield, Elk | 53 min |
| May 27, 4:41 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 64 min |
| May 27, 4:56 PM EDT | Special Weather Statement | PHI | Berks | 49 min |
| May 27, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 59 min |
| May 27, 5:02 PM EDT | Special Weather Statement | CTP | Cameron, Potter | 58 min |
| May 27, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 1 more | 80 min |
| May 27, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 63 min |
| May 27, 5:21 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Blair, Cambria, Centre, Clearfield and 21 more | 4 hr |
| May 27, 5:28 PM EDT | Special Weather Statement | CTP | Cambria | 32 min |
| May 27, 5:37 PM EDT | Special Weather Statement | CTP | Union | 38 min |
| May 27, 5:41 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 79 min |
| May 27, 5:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 18 min |
| May 27, 5:51 PM EDT | Special Weather Statement | CTP | Mifflin | 24 min |
| May 27, 5:51 PM EDT | Areal Flood Warning | PHI | Montgomery | 95 min |
| May 27, 5:55 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 35 min |
| May 27, 6:08 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Centre, Cumberland, Franklin, Fulton and 7 more | 52 min |
| May 27, 6:11 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 34 min |
| May 27, 6:16 PM EDT | Areal Flood Advisory | PBZ | Indiana, Westmoreland | 78 min |
| May 27, 6:21 PM EDT | Special Weather Statement | CTP | Lycoming, Montour, Union | 54 min |
| May 27, 6:34 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Cumberland, Fayette and 9 more | 56 min |
| May 27, 6:46 PM EDT | Special Weather Statement | PBZ | Fayette | 44 min |
| May 27, 6:54 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 5 more | 66 min |
| May 27, 7:07 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cumberland, Franklin, Fulton, Huntingdon, Perry and 1 more | 38 min |
| May 27, 7:18 PM EDT | Special Weather Statement | CTP | Lycoming | 27 min |
| May 27, 7:21 PM EDT | Special Weather Statement | CTP | Montour, Northumberland | 24 min |
| May 27, 7:23 PM EDT | Special Weather Statement | BGM | Luzerne | 37 min |
| May 27, 7:25 PM EDT | Areal Flood Advisory | PBZ | Fayette, Westmoreland | 2 hr |
| May 27, 7:36 PM EDT | Special Weather Statement | PHI | Monroe | 39 min |
| May 27, 7:45 PM EDT | Special Weather Statement | PHI | Berks | 45 min |
| May 27, 7:46 PM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland | 44 min |
| May 27, 7:48 PM EDT | Special Weather Statement | PBZ | Fayette | 42 min |
| May 27, 7:51 PM EDT | Special Weather Statement | CTP | Somerset | 39 min |
| May 27, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Columbia, Dauphin, Lancaster, Lebanon, Montour and 3 more | 81 min |
| May 27, 8:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 56 min |
| May 27, 8:06 PM EDT | Special Weather Statement | PBZ | Mercer | 54 min |
| May 27, 8:07 PM EDT | Special Weather Statement | BGM | Pike | 23 min |
| May 27, 8:23 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Schuylkill | 112 min |
| May 27, 8:49 PM EDT | Special Weather Statement | BGM | Lackawanna | 26 min |
| May 27, 8:59 PM EDT | Special Weather Statement | BGM | Pike | 46 min |
| May 27, 9:09 PM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland | 3 hr |
| 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, 9:30 PM EDT | Special Weather Statement | CTP | Bedford | 60 min |
| May 27, 9:36 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 54 min |
| May 27, 9:38 PM EDT | Areal Flood Advisory | CTP | Cambria | 3 hr |
| May 27, 9:56 PM EDT | Flash Flood Watch | CTP | Bedford, Blair, Cambria, Franklin, Fulton, Somerset | 117 min |
| May 27, 10:05 PM EDT | Special Weather Statement | PBZ | Westmoreland | 55 min |
| May 27, 10:11 PM EDT | Flash Flood Warning | CTP | Bedford, Cambria, Somerset | 2 hr |
| May 27, 10:30 PM EDT | Special Weather Statement | CTP | Somerset | 45 min |
| May 27, 11:01 PM EDT | Special Weather Statement | PBZ | Fayette | 59 min |
| May 27, 11:14 PM EDT | Special Weather Statement | CTP | Somerset | 46 min |
| May 28, 11:19 AM EDT | Mesoscale Discussion | SPC | Lackawanna, Pike, Susquehanna, Wayne, Wyoming | 56 min |
| May 28, 2:25 PM EDT | Mesoscale Discussion | SPC | Bradford, Cameron, Crawford, Erie, Lackawanna, Luzerne and 11 more | 65 min |
| May 29, 9:48 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Clearfield and 8 more | 87 min |
| May 29, 10:27 AM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more | 5 hr |
| May 29, 10:45 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 60 min |
| May 29, 11:14 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 31 min |
| May 29, 11:20 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 25 min |
| May 29, 11:27 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 48 min |
| May 29, 11:37 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 38 min |
| May 29, 11:38 AM EDT | Special Weather Statement | CTP | Warren | 67 min |
| May 29, 11:43 AM EDT | Mesoscale Discussion | SPC | Bradford, Lackawanna, Susquehanna, Wayne, Wyoming | 62 min |
| May 29, 11:47 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 58 min |
| May 29, 11:52 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 38 min |
| May 29, 11:54 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 51 min |
| May 29, 12:01 PM EDT | Mesoscale Discussion | SPC | Bradford, Clinton, Lackawanna, Lycoming, Montour, Northumberland and 7 more | 59 min |
| May 29, 12:19 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 11 min |
| May 29, 12:20 PM EDT | Special Weather Statement | CTP | Warren | 25 min |
| May 29, 12:29 PM EDT | Flash Flood Watch | PHI | Berks, Carbon, Delaware, Lehigh, Monroe, Northampton and 1 more | 8 hr |
| May 29, 12:32 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 58 min |
| May 29, 12:38 PM EDT | Special Weather Statement | PBZ | Allegheny, Washington | 67 min |
| May 29, 12:48 PM EDT | Special Weather Statement | CTP | Warren | 27 min |
| May 29, 1:03 PM EDT | Special Weather Statement | PBZ | Jefferson | 27 min |
| May 29, 1:03 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Blair, Bradford, Carbon and 30 more | 8 hr |
| May 29, 1:10 PM EDT | Special Weather Statement | PBZ | Armstrong, Westmoreland | 65 min |
| May 29, 1:13 PM EDT | Special Weather Statement | CTP | Potter | 47 min |
| May 29, 1:14 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 46 min |
| May 29, 1:21 PM EDT | Special Weather Statement | CTP | Clinton | 24 min |
| May 29, 1:22 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 53 min |
| May 29, 1:25 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Cameron and 19 more | 65 min |
| May 29, 1:27 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 33 min |
| May 29, 1:28 PM EDT | Special Weather Statement | CTP | McKean | 32 min |
| May 29, 1:32 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 43 min |
| May 29, 1:36 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 69 min |
| May 29, 1:36 PM EDT | Special Weather Statement | PHI | Monroe | 54 min |
| May 29, 1:39 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 36 min |
| May 29, 1:50 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 115 min |
| May 29, 1:58 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon, Mifflin | 62 min |
| May 29, 1:59 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 46 min |
| May 29, 2:03 PM EDT | Special Weather Statement | PBZ | Fayette | 42 min |
| May 29, 2:07 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter | 38 min |
| May 29, 2:12 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield, Elk | 63 min |
| May 29, 2:13 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bradford, Bucks, Carbon and 35 more | 62 min |
| May 29, 2:15 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 30 min |
| May 29, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 58 min |
| May 29, 2:20 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 29 min |
| May 29, 2:29 PM EDT | Special Weather Statement | CTP | Huntingdon | 31 min |
| May 29, 2:43 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter | 62 min |
| May 29, 3:06 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Juniata, Mifflin, Perry, Snyder and 1 more | 39 min |
| May 29, 3:09 PM EDT | Special Weather Statement | CTP | Sullivan | 36 min |
| May 29, 3:12 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bradford, Cambria and 36 more | 63 min |
| May 29, 3:13 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 32 min |
| May 29, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Centre, Clinton, Fulton, Huntingdon and 2 more | 44 min |
| May 29, 3:19 PM EDT | Special Weather Statement | CTP | Schuylkill | 41 min |
| May 29, 3:27 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 63 min |
| May 29, 3:28 PM EDT | Special Weather Statement | CTP | Lycoming | 32 min |
| May 29, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan, Tioga | 54 min |
| May 29, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Juniata, Montour, Northumberland, Perry and 3 more | 77 min |
| May 29, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Centre, Clinton, Franklin, Fulton, Huntingdon and 5 more | 65 min |
| May 29, 4:03 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 57 min |
| May 29, 4:17 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 58 min |
| May 29, 4:26 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 34 min |
| May 29, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Franklin, Perry, York | 45 min |
| May 29, 4:40 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Columbia and 22 more | 65 min |
| May 29, 4:48 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Susquehanna, Wayne, Wyoming | 57 min |
| May 29, 5:03 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, Perry and 2 more | 72 min |
| May 29, 5:06 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 114 min |
| May 29, 5:15 PM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, Franklin, Lebanon, Schuylkill | 3 hr |
| May 29, 5:23 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 43 min |
| May 29, 5:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 95 min |
| May 29, 5:37 PM EDT | Flash Flood Warning | CTP | Cumberland, Dauphin, Lebanon, Perry, Schuylkill | 3 hr |
| May 29, 5:39 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Wayne | 3 hr |
| May 29, 5:45 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 60 min |
| May 29, 5:45 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 75 min |
| May 29, 5:48 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, Lebanon, York | 72 min |
| May 29, 5:54 PM EDT | Severe Thunderstorm Watch | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia | 3 hr |
| May 29, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 91 min |
| May 29, 6:20 PM EDT | Special Weather Statement | PBZ | Lawrence | 25 min |
| May 29, 6:23 PM EDT | Flash Flood Warning | PHI | Carbon, Monroe | 112 min |
| May 29, 6:39 PM EDT | Special Weather Statement | PBZ | Butler | 51 min |
| May 29, 6:40 PM EDT | Special Weather Statement | PBZ | Allegheny | 50 min |
| May 29, 6:44 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Lehigh, Montgomery | 3 hr |
| May 29, 6:46 PM EDT | Special Weather Statement | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 89 min |
| May 29, 6:52 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 53 min |
| May 29, 7:01 PM EDT | Mesoscale Discussion | SPC | Bucks, Philadelphia | 89 min |
| May 29, 7:34 PM EDT | Special Weather Statement | PHI | Delaware, Philadelphia | 56 min |
| May 29, 7:35 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 115 min |
| May 29, 7:44 PM EDT | Special Weather Statement | PHI | Bucks | 61 min |
| May 30, 1:32 PM EDT | Special Weather Statement | BGM | Wayne | 43 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 | 97 |
| Severe Thunderstorm Watch | 7 |
| Mesoscale Discussion | 24 |
| Special Weather Statement | 225 |
| Flooding | |
| Areal Flood Warning | 6 |
| Flash Flood Warning | 17 |
| River Flood Warning | 1 |
| Flash Flood Watch | 2 |
| Flood Watch | 1 |
| Areal Flood Advisory | 58 |
| Heat | |
| Excessive Heat Warning | 1 |
| Excessive Heat Watch | 1 |
| Cold | |
| Freeze Warning | 1 |
| Frost Advisory | 10 |
| Fog and smoke | |
| Dense Fog Advisory | 2 |
| Coast and beach | |
| Coastal Flood Advisory | 1 |
| Coastal Flood Statement | 2 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County40
- Berks County38
- Montgomery County38
- Monroe County35
- Armstrong County33
- Northampton County32
- Carbon County32
- Westmoreland County31
- Lehigh County31
- Schuylkill County31
- Bedford County30
- Perry County29
- Dauphin County28
- Clearfield County26
- Northumberland County26
- Cumberland County26
- Jefferson County25
- Mercer County25
- Clarion County24
- Huntingdon County24
- Indiana County24
- Centre County24
- Snyder County24
- Butler County23
- Franklin County23
- Lycoming County23
- Union County23
- Juniata County23
- Columbia County23
- Delaware County23
- Philadelphia County23
- Cambria County22
- Warren County22
- Clinton County22
- Montour County22
- Allegheny County21
- Blair County21
- Lancaster County21
- Lebanon County21
- Luzerne County21
27 more counties
- Chester County20
- Fulton County20
- Somerset County20
- Venango County20
- Tioga County20
- Cameron County20
- Mifflin County20
- Elk County19
- Fayette County19
- McKean County19
- Potter County19
- Adams County19
- Lawrence County18
- Beaver County17
- Forest County17
- York County17
- Wayne County17
- Bradford County15
- Susquehanna County15
- Pike County15
- Wyoming County14
- Lackawanna County14
- Crawford County13
- Sullivan County13
- Erie County12
- Washington County9
- Greene County8
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. Rebuilt daily.