Alert archive / Pennsylvania / 2020
Weather alerts in Pennsylvania, August 2020
508 weather alerts in August 2020, 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 August 2020. Tap one for its archive.
- Alerts
- 508
- Warnings
- 204
- Watches
- 20
- Advisories
- 68
- Busiest day
- August 28, 202059 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 |
|---|---|---|---|---|
| Aug 1, 2:19 PM EDT | Mesoscale Discussion | SPC | Greene, Washington | 56 min |
| Aug 1, 3:20 PM EDT | Heat Advisory | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 29 hr |
| Aug 1, 3:38 PM EDT | Beach Hazards Statement | CLE | Erie | 36 hr |
| Aug 1, 3:57 PM EDT | Severe Thunderstorm Watch | SPC | Allegheny, Beaver, Fayette, Greene, Washington, Westmoreland | 7 hr |
| Aug 1, 4:00 PM EDT | Mesoscale Discussion | SPC | Franklin, Fulton | 2 hr |
| Aug 1, 4:33 PM EDT | Special Weather Statement | PBZ | Fayette | 42 min |
| Aug 1, 6:29 PM EDT | Special Weather Statement | PBZ | Beaver | 46 min |
| Aug 1, 6:37 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 38 min |
| Aug 1, 6:59 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington, Westmoreland | 3 hr |
| Aug 1, 7:05 PM EDT | Mesoscale Discussion | SPC | Adams, Franklin, Fulton | 115 min |
| Aug 1, 10:00 PM EDT | Special Weather Statement | CTP | Franklin | 15 min |
| Aug 1, 10:20 PM EDT | Areal Flood Advisory | CTP | Franklin | 55 min |
| Aug 1, 10:54 PM EDT | Special Weather Statement | CTP | Franklin | 36 min |
| Aug 1, 10:59 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 31 min |
| Aug 1, 11:14 PM EDT | Special Weather Statement | CTP | Adams | 31 min |
| Aug 2, 12:58 AM EDT | Special Weather Statement | CTP | York | 62 min |
| Aug 2, 2:52 AM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon, York | 3 hr |
| Aug 2, 3:05 AM EDT | Special Weather Statement | CTP | Berks | 10 min |
| Aug 2, 3:32 AM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Aug 2, 3:43 AM EDT | Special Weather Statement | CTP | Lancaster | 62 min |
| Aug 2, 4:42 AM EDT | Flash Flood Warning | PHI | Berks | 4 hr |
| Aug 2, 5:11 AM EDT | Special Weather Statement | CTP | Lebanon | 34 min |
| Aug 2, 6:30 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 45 min |
| Aug 2, 6:37 AM EDT | Tornado Warning | PHI | Berks, Lehigh | 23 min |
| Aug 2, 6:53 AM EDT | Mesoscale Discussion | SPC | Lehigh, Northampton | 3 hr |
| Aug 2, 6:56 AM EDT | Tornado Warning | PHI | Berks, Lehigh | 34 min |
| Aug 2, 7:13 AM EDT | Areal Flood Advisory | PHI | Berks, Lehigh, Northampton | 3 hr |
| Aug 2, 7:24 AM EDT | Special Weather Statement | CTP | Schuylkill | 66 min |
| Aug 2, 7:29 AM EDT | Special Weather Statement | PHI | Lehigh | 31 min |
| Aug 2, 7:34 AM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Northampton | 3 hr |
| Aug 2, 7:39 AM EDT | Tornado Warning | PHI | Bucks, Lehigh, Northampton | 36 min |
| Aug 2, 7:49 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 84 min |
| Aug 2, 7:54 AM EDT | Special Weather Statement | PHI | Lehigh | 36 min |
| Aug 2, 8:24 AM EDT | Special Weather Statement | PHI | Lehigh | 36 min |
| Aug 2, 8:28 AM EDT | Areal Flood Warning | PHI | Berks | 3 hr |
| Aug 2, 8:46 AM EDT | Areal Flood Advisory | PHI | Northampton | 3 hr |
| Aug 2, 2:00 PM EDT | Mesoscale Discussion | SPC | Carbon, Columbia, Lackawanna, Luzerne, Monroe, Northampton and 6 more | 2 hr |
| Aug 2, 3:10 PM EDT | Tornado Watch | SPC | Monroe, Pike, Wayne | 7 hr |
| Aug 2, 3:33 PM EDT | Flash Flood Watch | PHI | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 48 hr |
| Aug 2, 3:59 PM EDT | Flash Flood Watch | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Lancaster and 4 more | 47 hr |
| Aug 2, 5:04 PM EDT | Tropical Storm Watch | PHI | Bucks, Delaware, Montgomery, Philadelphia | 18 hr |
| Aug 2, 5:14 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 31 min |
| Aug 2, 5:15 PM EDT | Special Weather Statement | CTP | Schuylkill | 30 min |
| Aug 2, 5:51 PM EDT | Special Weather Statement | PHI | Lehigh, Northampton | 39 min |
| Aug 2, 6:27 PM EDT | Special Weather Statement | BGM | Pike | 18 min |
| Aug 2, 6:29 PM EDT | Special Weather Statement | PHI | Northampton | 31 min |
| Aug 2, 6:45 PM EDT | Mesoscale Discussion | SPC | Monroe, Pike, Wayne | 2 hr |
| Aug 2, 10:18 PM EDT | Special Weather Statement | PHI | Northampton | 42 min |
| Aug 3, 4:05 AM EDT | Flash Flood Watch | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 41 hr |
| Aug 3, 5:08 AM EDT | Tropical Storm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 39 hr |
| Aug 3, 3:14 PM EDT | Wind Advisory | BGM | Pike | 27 hr |
| Aug 3, 4:26 PM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 38 hr |
| Aug 3, 6:59 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 31 min |
| Aug 3, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 40 min |
| Aug 3, 7:56 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 52 min |
| Aug 4, 3:19 AM EDT | Special Weather Statement | CTP | Lancaster | 56 min |
| Aug 4, 5:17 AM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 4, 6:45 AM EDT | Mesoscale Discussion | SPC | Bucks, Delaware, Montgomery, Philadelphia | 3 hr |
| Aug 4, 7:23 AM EDT | Tornado Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 20 min |
| Aug 4, 7:23 AM EDT | Tornado Watch | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 9 hr |
| Aug 4, 7:28 AM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery | 3 hr |
| Aug 4, 8:11 AM EDT | Flash Flood Warning | PHI | Bucks, Lehigh, Montgomery, Northampton | 4 hr |
| Aug 4, 8:19 AM EDT | River Flood Warning | PHI | Delaware | 15 hr |
| Aug 4, 8:19 AM EDT | Tornado Warning | PHI | Bucks | 26 min |
| Aug 4, 8:39 AM EDT | Special Weather Statement | CTP | Lancaster | 36 min |
| Aug 4, 8:55 AM EDT | River Flood Warning | CTP | Lancaster, York | 7 hr |
| Aug 4, 8:59 AM EDT | Mesoscale Discussion | SPC | Philadelphia | 91 min |
| Aug 4, 9:23 AM EDT | Tornado Warning | PHI | Chester | 22 min |
| Aug 4, 9:29 AM EDT | Tornado Warning | PHI | Monroe, Northampton | 31 min |
| Aug 4, 9:37 AM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon, York | 4 hr |
| Aug 4, 9:38 AM EDT | Flash Flood Warning | PHI | Monroe, Northampton | 4 hr |
| Aug 4, 9:55 AM EDT | Special Weather Statement | CTP | Lancaster | 65 min |
| Aug 4, 9:58 AM EDT | Tornado Warning | PHI | Monroe | 16 min |
| Aug 4, 10:02 AM EDT | Flash Flood Warning | PHI | Chester, Delaware | 4 hr |
| Aug 4, 10:03 AM EDT | Tornado Warning | BGM | Wayne | 13 min |
| Aug 4, 10:20 AM EDT | Flash Flood Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 4 hr |
| Aug 4, 10:30 AM EDT | Flash Flood Warning | CTP | Lancaster, York | 4 hr |
| Aug 4, 10:35 AM EDT | Special Weather Statement | BGM | Lackawanna | 55 min |
| Aug 4, 10:47 AM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne | 6 hr |
| Aug 4, 10:51 AM EDT | Tornado Warning | PHI | Montgomery | 24 min |
| Aug 4, 11:01 AM EDT | Flash Flood Warning | PHI | Bucks | 4 hr |
| Aug 4, 11:13 AM EDT | Areal Flood Advisory | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 4 hr |
| Aug 4, 11:13 AM EDT | Mesoscale Discussion | SPC | Bucks, Philadelphia | 92 min |
| Aug 4, 11:43 AM EDT | Flash Flood Warning | PHI | Berks, Lehigh, Northampton | 4 hr |
| Aug 4, 12:03 PM EDT | Areal Flood Advisory | BGM | Lackawanna, Luzerne, Pike, Wayne | 6 hr |
| Aug 4, 12:06 PM EDT | River Flood Warning | PHI | Chester | 11 hr |
| Aug 4, 12:37 PM EDT | River Flood Warning | PHI | Montgomery | 14 hr |
| Aug 4, 12:40 PM EDT | Special Weather Statement | BGM | Wayne | 50 min |
| Aug 4, 12:48 PM EDT | River Flood Warning | PHI | Chester, Delaware | 24 hr |
| Aug 4, 1:01 PM EDT | River Flood Warning | PHI | Bucks | 18 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Berks | 10 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Montgomery | 26 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Chester, Montgomery, Philadelphia | 43 hr |
| Aug 4, 1:12 PM EDT | River Flood Warning | PHI | Montgomery, Philadelphia | 35 hr |
| Aug 4, 1:18 PM EDT | Areal Flood Advisory | CTP | Schuylkill | 57 min |
| Aug 4, 1:22 PM EDT | Flash Flood Warning | BGM | Lackawanna, Pike, Wayne | 4 hr |
| Aug 4, 1:56 PM EDT | Areal Flood Warning | CTP | Lancaster | 3 hr |
| Aug 4, 1:59 PM EDT | Areal Flood Warning | PHI | Chester, Delaware | 9 hr |
| Aug 4, 2:09 PM EDT | Areal Flood Warning | PHI | Berks, Chester, Delaware, Montgomery, Philadelphia | 15 hr |
| Aug 4, 2:16 PM EDT | Flash Flood Warning | BGM | Pike | 4 hr |
| Aug 4, 2:23 PM EDT | River Flood Warning | PHI | Lehigh | 16 hr |
| Aug 4, 2:47 PM EDT | Areal Flood Warning | PHI | Bucks | 9 hr |
| Aug 4, 3:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 34 min |
| Aug 4, 3:42 PM EDT | Areal Flood Warning | PHI | Lehigh, Northampton | 4 hr |
| Aug 4, 3:50 PM EDT | Beach Hazards Statement | CLE | Erie | 10 hr |
| Aug 4, 3:50 PM EDT | Special Weather Statement | PBZ | Mercer | 25 min |
| Aug 4, 4:39 PM EDT | River Flood Warning | PHI | Monroe | 6 hr |
| Aug 4, 5:03 PM EDT | River Flood Warning | BGM | Pike, Wayne | 2 hr |
| Aug 4, 7:08 PM EDT | Special Weather Statement | CTP | Juniata | 52 min |
| Aug 4, 7:11 PM EDT | Special Weather Statement | CTP | Schuylkill | 49 min |
| Aug 4, 7:29 PM EDT | Areal Flood Warning | PHI | Lehigh, Northampton | 12 hr |
| Aug 4, 7:55 PM EDT | Special Weather Statement | BGM | Wyoming | 35 min |
| Aug 4, 8:22 PM EDT | Areal Flood Warning | PHI | Carbon | 9 hr |
| Aug 4, 9:06 PM EDT | Special Weather Statement | PHI | Northampton | 39 min |
| Aug 4, 9:28 PM EDT | Special Weather Statement | CLE | Erie | 32 min |
| Aug 4, 10:10 PM EDT | River Flood Warning | PHI | Lehigh | 11 hr |
| Aug 6, 3:37 AM EDT | Flash Flood Watch | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 44 hr |
| Aug 6, 1:59 PM EDT | Flash Flood Watch | CTP | Adams, Franklin, Lancaster, York | 8 hr |
| Aug 6, 6:31 PM EDT | Areal Flood Advisory | CTP | Adams | 119 min |
| Aug 6, 7:32 PM EDT | Special Weather Statement | CTP | York | 43 min |
| Aug 7, 4:02 AM EDT | Special Weather Statement | BGM | Bradford, Susquehanna | 58 min |
| Aug 7, 4:37 AM EDT | Areal Flood Advisory | BGM | Bradford, Susquehanna | 3 hr |
| Aug 7, 4:40 AM EDT | Areal Flood Advisory | BGM | Susquehanna | 3 hr |
| Aug 7, 5:08 AM EDT | Flash Flood Warning | BGM | Bradford, Susquehanna | 3 hr |
| Aug 7, 6:49 AM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Aug 7, 7:14 AM EDT | Special Weather Statement | CTP | Clinton | 46 min |
| Aug 7, 7:26 AM EDT | Severe Thunderstorm Warning | CTP | Clinton | 64 min |
| Aug 7, 8:08 AM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Union | 67 min |
| Aug 7, 8:31 AM EDT | Areal Flood Advisory | BGM | Bradford | 3 hr |
| Aug 7, 8:37 AM EDT | Special Weather Statement | CTP | Montour | 23 min |
| Aug 7, 9:11 AM EDT | Special Weather Statement | CTP | Northumberland | 34 min |
| Aug 7, 9:13 AM EDT | Areal Flood Advisory | CTP | Sullivan | 3 hr |
| Aug 7, 9:22 AM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Aug 7, 9:45 AM EDT | Areal Flood Advisory | CTP | Montour, Northumberland | 2 hr |
| Aug 7, 9:51 AM EDT | Special Weather Statement | CTP | Columbia | 39 min |
| Aug 7, 10:06 AM EDT | Flash Flood Watch | CTP | Adams, Centre, Clinton, Columbia, Cumberland, Dauphin and 14 more | 9 hr |
| Aug 7, 10:10 AM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 65 min |
| Aug 7, 10:16 AM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 59 min |
| Aug 7, 10:34 AM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh | 56 min |
| Aug 7, 11:04 AM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Huntingdon, Mifflin, Snyder, Union | 2 hr |
| Aug 7, 11:22 AM EDT | Special Weather Statement | CTP | Mifflin | 53 min |
| Aug 7, 11:28 AM EDT | Special Weather Statement | PHI | Carbon, Lehigh | 47 min |
| Aug 7, 11:37 AM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 53 min |
| Aug 7, 12:35 PM EDT | Special Weather Statement | CTP | Cumberland | 25 min |
| Aug 7, 12:54 PM EDT | Areal Flood Advisory | CTP | Snyder | 2 hr |
| Aug 7, 1:30 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Chester, Cumberland, Dauphin, Delaware and 11 more | 3 hr |
| Aug 7, 1:51 PM EDT | Areal Flood Advisory | CTP | Columbia, Northumberland, Schuylkill | 114 min |
| Aug 7, 2:34 PM EDT | Areal Flood Advisory | PHI | Berks | 4 hr |
| Aug 7, 2:59 PM EDT | Special Weather Statement | CTP | Snyder | 46 min |
| Aug 7, 3:11 PM EDT | Areal Flood Advisory | CTP | Schuylkill | 2 hr |
| Aug 7, 3:14 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Aug 7, 3:31 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 3 hr |
| Aug 7, 3:37 PM EDT | Special Weather Statement | CTP | Huntingdon | 23 min |
| Aug 7, 3:46 PM EDT | Areal Flood Advisory | PHI | Carbon, Lehigh, Northampton | 4 hr |
| Aug 7, 3:54 PM EDT | Special Weather Statement | CTP | Lancaster | 36 min |
| Aug 7, 4:10 PM EDT | Flash Flood Warning | PHI | Berks | 2 hr |
| Aug 7, 4:20 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 4 hr |
| Aug 7, 4:32 PM EDT | Flash Flood Warning | PHI | Chester | 3 hr |
| Aug 7, 4:40 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 118 min |
| Aug 7, 4:47 PM EDT | Special Weather Statement | PHI | Chester | 28 min |
| Aug 7, 5:00 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 60 min |
| Aug 7, 5:03 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 5 hr |
| Aug 7, 5:07 PM EDT | Special Weather Statement | CTP | Blair | 23 min |
| Aug 7, 5:15 PM EDT | Areal Flood Advisory | PHI | Bucks | 3 hr |
| Aug 7, 5:25 PM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery, Philadelphia | 3 hr |
| Aug 7, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 52 min |
| Aug 7, 5:42 PM EDT | Special Weather Statement | CTP | Tioga | 33 min |
| Aug 7, 5:43 PM EDT | Flash Flood Warning | PHI | Montgomery, Philadelphia | 4 hr |
| Aug 7, 5:49 PM EDT | Tornado Warning | PHI | Chester, Delaware | 26 min |
| Aug 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 48 min |
| Aug 7, 6:00 PM EDT | Tornado Warning | PHI | Delaware | 30 min |
| Aug 7, 6:12 PM EDT | Special Weather Statement | CTP | Adams | 33 min |
| Aug 7, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 27 min |
| Aug 7, 7:10 PM EDT | River Flood Warning | PHI | Delaware | 7 hr |
| Aug 7, 7:17 PM EDT | Areal Flood Warning | PHI | Bucks, Montgomery | 3 hr |
| Aug 7, 9:44 PM EDT | Areal Flood Warning | PHI | Chester | 7 hr |
| Aug 7, 9:48 PM EDT | Areal Flood Warning | PHI | Delaware | 105 min |
| Aug 8, 6:14 PM EDT | Special Weather Statement | PHI | Monroe | 61 min |
| Aug 11, 3:48 PM EDT | Flash Flood Watch | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 28 hr |
| Aug 11, 10:28 PM EDT | Areal Flood Advisory | BGM | Susquehanna, Wayne | 3 hr |
| Aug 12, 3:09 AM EDT | Flash Flood Watch | CTP | Lancaster, York | 16 hr |
| Aug 12, 11:48 AM EDT | Special Weather Statement | PHI | Philadelphia | 27 min |
| Aug 12, 12:43 PM EDT | Areal Flood Advisory | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Aug 12, 1:12 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 48 min |
| Aug 12, 1:15 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Lancaster, Montgomery, Philadelphia and 1 more | 2 hr |
| Aug 12, 1:47 PM EDT | Flash Flood Warning | PHI | Chester, Delaware | 2 hr |
| Aug 12, 1:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 51 min |
| Aug 12, 2:04 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 21 min |
| Aug 12, 2:40 PM EDT | Flash Flood Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 3 hr |
| Aug 12, 2:44 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 46 min |
| Aug 12, 3:20 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 29 min |
| Aug 12, 3:36 PM EDT | Flash Flood Warning | PHI | Chester | 108 min |
| Aug 12, 3:42 PM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Aug 12, 4:15 PM EDT | Flash Flood Warning | CTP | Lancaster, York | 2 hr |
| Aug 12, 5:04 PM EDT | Areal Flood Advisory | PHI | Lehigh, Northampton | 56 min |
| Aug 12, 5:09 PM EDT | Areal Flood Warning | PHI | Berks | 51 min |
| Aug 12, 8:45 PM EDT | Areal Flood Advisory | CTP | Bedford, Somerset | 60 min |
| Aug 13, 2:22 AM EDT | Flash Flood Watch | CTP | Lancaster, York | 18 hr |
| Aug 13, 3:02 AM EDT | Flash Flood Watch | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 17 hr |
| Aug 13, 7:25 AM EDT | Areal Flood Advisory | PHI | Bucks, Montgomery | 2 hr |
| Aug 13, 7:47 AM EDT | Areal Flood Advisory | PHI | Bucks | 118 min |
| Aug 13, 8:37 AM EDT | Flash Flood Warning | PHI | Bucks | 3 hr |
| Aug 13, 9:07 AM EDT | Flash Flood Warning | PHI | Bucks, Montgomery | 3 hr |
| Aug 13, 1:13 PM EDT | Beach Hazards Statement | CLE | Erie | 15 hr |
| Aug 13, 3:30 PM EDT | Areal Flood Advisory | PHI | Philadelphia | 3 hr |
| Aug 13, 3:56 PM EDT | Areal Flood Advisory | PHI | Delaware | 2 hr |
| Aug 13, 4:45 PM EDT | Areal Flood Advisory | PHI | Chester, Montgomery | 84 min |
| Aug 13, 5:45 PM EDT | Special Weather Statement | PBZ | Allegheny | 15 min |
| Aug 13, 6:06 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 54 min |
| Aug 14, 10:21 AM EDT | Beach Hazards Statement | CLE | Erie | 15 hr |
| Aug 15, 2:53 PM EDT | Special Weather Statement | CTP | Tioga | 52 min |
| Aug 16, 5:14 AM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 22 hr |
| Aug 17, 5:08 AM EDT | Coastal Flood Advisory | PHI | Bucks, Delaware, Philadelphia | 23 hr |
| Aug 17, 3:49 PM EDT | Special Weather Statement | BGM | Lackawanna | 41 min |
| Aug 17, 5:02 PM EDT | Special Weather Statement | CTP | Lancaster | 58 min |
| Aug 17, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 32 min |
| Aug 17, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 37 min |
| Aug 17, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 16 min |
| Aug 17, 6:35 PM EDT | Special Weather Statement | BUF | Warren | 40 min |
| Aug 17, 6:39 PM EDT | Special Weather Statement | CTP | Warren | 36 min |
| Aug 17, 6:50 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 28 min |
| Aug 17, 8:28 PM EDT | Special Weather Statement | BGM | Bradford | 47 min |
| Aug 17, 9:25 PM EDT | Special Weather Statement | BGM | Wyoming | 50 min |
| Aug 17, 10:19 PM EDT | Special Weather Statement | BGM | Wyoming | 41 min |
| Aug 17, 10:39 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wyoming | 29 min |
| Aug 17, 11:09 PM EDT | Special Weather Statement | BGM | Lackawanna, Luzerne, Wayne | 51 min |
| Aug 17, 11:26 PM EDT | Special Weather Statement | PHI | Monroe | 49 min |
| Aug 17, 11:37 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 23 min |
| Aug 17, 11:39 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 36 min |
| Aug 17, 11:57 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 33 min |
| Aug 17, 11:59 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 46 min |
| Aug 18, 12:29 AM EDT | Special Weather Statement | BGM | Pike | 31 min |
| Aug 18, 12:31 AM EDT | Tornado Warning | PHI | Monroe, Northampton | 29 min |
| Aug 18, 12:39 AM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 66 min |
| Aug 18, 12:58 AM EDT | Special Weather Statement | PHI | Northampton | 47 min |
| Aug 18, 1:09 AM EDT | Severe Thunderstorm Warning | BGM | Pike | 18 min |
| Aug 18, 1:13 AM EDT | Areal Flood Advisory | PHI | Bucks, Lehigh, Monroe, Northampton | 2 hr |
| Aug 18, 1:38 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 37 min |
| Aug 21, 6:33 PM EDT | Special Weather Statement | CTP | Somerset | 57 min |
| Aug 21, 7:05 PM EDT | Areal Flood Advisory | CTP | Somerset | 115 min |
| Aug 22, 1:18 PM EDT | Special Weather Statement | BGM | Pike | 42 min |
| Aug 22, 4:46 PM EDT | Special Weather Statement | CTP | Cumberland | 44 min |
| Aug 22, 5:04 PM EDT | Special Weather Statement | CTP | Adams | 41 min |
| Aug 22, 5:41 PM EDT | Special Weather Statement | CTP | Bedford | 49 min |
| Aug 22, 5:43 PM EDT | Special Weather Statement | CTP | Franklin | 32 min |
| Aug 22, 6:23 PM EDT | Special Weather Statement | CTP | Franklin | 52 min |
| Aug 22, 7:12 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 63 min |
| Aug 22, 7:49 PM EDT | Special Weather Statement | PBZ | Allegheny | 26 min |
| Aug 22, 8:03 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 22 min |
| Aug 22, 8:10 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 35 min |
| Aug 22, 8:25 PM EDT | Flash Flood Warning | PBZ | Allegheny | 68 min |
| Aug 22, 8:39 PM EDT | Special Weather Statement | PBZ | Allegheny | 36 min |
| Aug 22, 9:19 PM EDT | Areal Flood Advisory | PBZ | Allegheny | 56 min |
| Aug 22, 11:33 PM EDT | Areal Flood Advisory | PBZ | Beaver | 117 min |
| Aug 23, 12:59 PM EDT | Special Weather Statement | PHI | Delaware, Montgomery, Philadelphia | 61 min |
| Aug 23, 2:04 PM EDT | Areal Flood Advisory | PHI | Bucks, Philadelphia | 112 min |
| Aug 23, 2:07 PM EDT | Areal Flood Advisory | PHI | Delaware | 3 hr |
| Aug 23, 2:14 PM EDT | Areal Flood Advisory | PHI | Chester | 3 hr |
| Aug 23, 3:34 PM EDT | Special Weather Statement | CTP | Franklin | 41 min |
| Aug 23, 3:57 PM EDT | Mesoscale Discussion | SPC | Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon and 2 more | 2 hr |
| Aug 23, 4:01 PM EDT | Special Weather Statement | CTP | Cumberland | 44 min |
| Aug 23, 4:41 PM EDT | Areal Flood Advisory | PHI | Berks, Chester | 5 hr |
| Aug 23, 5:13 PM EDT | Special Weather Statement | CTP | Juniata | 62 min |
| Aug 23, 6:00 PM EDT | Areal Flood Advisory | CTP | Mifflin | 2 hr |
| Aug 23, 6:03 PM EDT | Areal Flood Advisory | CTP | Lancaster | 117 min |
| Aug 23, 7:01 PM EDT | Special Weather Statement | CTP | Lebanon | 59 min |
| Aug 23, 7:37 PM EDT | Special Weather Statement | CTP | Lebanon | 38 min |
| Aug 23, 7:54 PM EDT | Special Weather Statement | CTP | Lancaster | 66 min |
| Aug 23, 8:20 PM EDT | Special Weather Statement | PHI | Chester | 25 min |
| Aug 23, 8:42 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 48 min |
| Aug 24, 11:49 AM EDT | Special Weather Statement | CTP | Cameron | 26 min |
| Aug 24, 12:14 PM EDT | Special Weather Statement | PBZ | Westmoreland | 16 min |
| Aug 24, 12:19 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 26 min |
| Aug 24, 12:25 PM EDT | Special Weather Statement | CTP | Cameron | 35 min |
| Aug 24, 12:29 PM EDT | Special Weather Statement | PBZ | Beaver | 16 min |
| Aug 24, 12:41 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 19 min |
| Aug 24, 12:44 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bradford, Carbon, Centre and 31 more | 2 hr |
| Aug 24, 12:55 PM EDT | Special Weather Statement | CTP | Tioga | 35 min |
| Aug 24, 1:02 PM EDT | Special Weather Statement | CTP | Clearfield | 43 min |
| Aug 24, 1:15 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 21 min |
| Aug 24, 1:16 PM EDT | Special Weather Statement | CTP | Bedford | 29 min |
| Aug 24, 1:25 PM EDT | Special Weather Statement | PBZ | Fayette | 35 min |
| Aug 24, 1:27 PM EDT | Special Weather Statement | BGM | Bradford | 48 min |
| Aug 24, 1:29 PM EDT | Special Weather Statement | BGM | Bradford | 16 min |
| Aug 24, 1:32 PM EDT | Special Weather Statement | BGM | Luzerne | 28 min |
| Aug 24, 1:48 PM EDT | Special Weather Statement | PHI | Northampton | 27 min |
| Aug 24, 1:49 PM EDT | Special Weather Statement | CTP | Lycoming | 26 min |
| Aug 24, 1:51 PM EDT | Special Weather Statement | CTP | Centre | 24 min |
| Aug 24, 1:53 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 36 min |
| Aug 24, 1:58 PM EDT | Special Weather Statement | CTP | Fulton | 32 min |
| Aug 24, 2:02 PM EDT | Special Weather Statement | PBZ | Jefferson | 28 min |
| Aug 24, 2:06 PM EDT | Special Weather Statement | BGM | Wyoming | 24 min |
| Aug 24, 2:20 PM EDT | Special Weather Statement | PHI | Northampton | 25 min |
| Aug 24, 2:32 PM EDT | Special Weather Statement | CTP | Franklin | 28 min |
| Aug 24, 2:45 PM EDT | Special Weather Statement | CTP | Perry | 30 min |
| Aug 24, 2:47 PM EDT | Special Weather Statement | CTP | Lycoming | 28 min |
| Aug 24, 3:02 PM EDT | Areal Flood Advisory | BGM | Luzerne | 3 hr |
| Aug 24, 3:03 PM EDT | Special Weather Statement | PBZ | Jefferson | |
| Aug 24, 3:05 PM EDT | Special Weather Statement | PBZ | Westmoreland | 25 min |
| Aug 24, 3:16 PM EDT | Special Weather Statement | CTP | Huntingdon | 29 min |
| Aug 24, 3:18 PM EDT | Special Weather Statement | CTP | Columbia, Montour | 27 min |
| Aug 24, 3:29 PM EDT | Special Weather Statement | CTP | Columbia | 31 min |
| Aug 24, 3:36 PM EDT | Flash Flood Warning | BGM | Luzerne | 2 hr |
| Aug 24, 3:41 PM EDT | Special Weather Statement | CTP | Dauphin | 34 min |
| Aug 24, 3:47 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 43 min |
| Aug 24, 4:05 PM EDT | Special Weather Statement | CTP | Potter | 25 min |
| Aug 24, 4:05 PM EDT | Areal Flood Advisory | PHI | Carbon, Monroe | 2 hr |
| Aug 24, 4:07 PM EDT | Special Weather Statement | CTP | Schuylkill | 23 min |
| Aug 24, 4:08 PM EDT | Special Weather Statement | PHI | Monroe | 37 min |
| Aug 24, 4:30 PM EDT | Areal Flood Advisory | CTP | Northumberland, Schuylkill | 3 hr |
| Aug 24, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 37 min |
| Aug 24, 4:58 PM EDT | Special Weather Statement | CTP | Schuylkill | 62 min |
| Aug 24, 5:01 PM EDT | Special Weather Statement | PHI | Carbon | 29 min |
| Aug 24, 5:11 PM EDT | Special Weather Statement | PHI | Northampton | 34 min |
| Aug 24, 5:40 PM EDT | Special Weather Statement | PHI | Northampton | 35 min |
| Aug 24, 6:05 PM EDT | Special Weather Statement | PHI | Berks | 25 min |
| Aug 24, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 19 min |
| Aug 24, 6:27 PM EDT | Special Weather Statement | CTP | Cameron | 48 min |
| Aug 24, 7:05 PM EDT | Special Weather Statement | PBZ | Indiana | 25 min |
| Aug 24, 9:41 PM EDT | Special Weather Statement | CTP | Blair | 34 min |
| Aug 24, 10:13 PM EDT | Special Weather Statement | CTP | Centre | 32 min |
| Aug 24, 10:46 PM EDT | Special Weather Statement | CTP | Mifflin | 29 min |
| Aug 25, 4:25 AM EDT | Special Weather Statement | CTP | Warren | 35 min |
| Aug 25, 6:41 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 19 min |
| Aug 25, 7:10 AM EDT | Special Weather Statement | PBZ | Westmoreland | 20 min |
| Aug 25, 7:41 AM EDT | Special Weather Statement | PBZ | Westmoreland | 49 min |
| Aug 25, 7:55 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 50 min |
| Aug 25, 8:06 AM EDT | Special Weather Statement | PBZ | Allegheny | 24 min |
| Aug 25, 8:11 AM EDT | Special Weather Statement | CTP | Cambria | 64 min |
| Aug 25, 8:18 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 27 min |
| Aug 25, 8:23 AM EDT | Severe Thunderstorm Warning | CTP | Somerset | 82 min |
| Aug 25, 9:05 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 25 min |
| Aug 25, 9:48 AM EDT | Special Weather Statement | CTP | Somerset | 27 min |
| Aug 25, 11:48 AM EDT | Special Weather Statement | CLE | Crawford | 27 min |
| Aug 25, 11:55 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 35 min |
| Aug 25, 11:58 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 32 min |
| Aug 25, 12:02 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bradford, Butler, Cambria and 21 more | 118 min |
| Aug 25, 12:29 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Mercer, Venango | 46 min |
| Aug 25, 1:12 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Mercer, Venango | 48 min |
| Aug 25, 1:21 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 47 more | 6 hr |
| Aug 25, 1:36 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 39 min |
| Aug 25, 2:07 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Mercer, Venango | 38 min |
| Aug 25, 2:09 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Indiana, Westmoreland | 51 min |
| Aug 25, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 23 min |
| Aug 25, 2:29 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 61 min |
| Aug 25, 2:29 PM EDT | Special Weather Statement | PBZ | Washington | 31 min |
| Aug 25, 2:33 PM EDT | Special Weather Statement | CTP | Blair | 27 min |
| Aug 25, 2:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 41 min |
| Aug 25, 3:00 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 75 min |
| Aug 25, 3:07 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 38 min |
| Aug 25, 3:10 PM EDT | Mesoscale Discussion | SPC | Adams, Bucks, Chester, Delaware, Lancaster, Montgomery and 2 more | 95 min |
| Aug 25, 3:15 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Fayette, Indiana, Westmoreland | 45 min |
| Aug 25, 3:34 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lehigh and 4 more | 7 hr |
| Aug 25, 3:39 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 51 min |
| Aug 25, 3:49 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 56 min |
| Aug 25, 4:00 PM EDT | Special Weather Statement | PBZ | Allegheny | 30 min |
| Aug 25, 4:08 PM EDT | Special Weather Statement | PBZ | Westmoreland | 37 min |
| Aug 25, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 32 min |
| Aug 25, 4:20 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 40 min |
| Aug 25, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 84 min |
| Aug 25, 4:27 PM EDT | Special Weather Statement | BGM | Pike | 18 min |
| Aug 25, 4:35 PM EDT | Mesoscale Discussion | SPC | Bedford, Fayette, Greene, Somerset, Washington, Westmoreland | 85 min |
| Aug 25, 4:40 PM EDT | Special Weather Statement | PBZ | Fayette, Washington | 50 min |
| Aug 25, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 29 min |
| Aug 25, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 25 min |
| Aug 25, 5:34 PM EDT | Special Weather Statement | PBZ | Fayette | 26 min |
| Aug 25, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 18 min |
| Aug 25, 6:11 PM EDT | Mesoscale Discussion | SPC | Carbon, Lehigh, Luzerne, Monroe, Northampton, Pike | 2 hr |
| Aug 26, 3:39 PM EDT | Beach Hazards Statement | CLE | Erie | 30 hr |
| Aug 27, 3:40 AM EDT | Special Weather Statement | CTP | Sullivan | 35 min |
| Aug 27, 12:38 PM EDT | Mesoscale Discussion | SPC | Susquehanna, Wayne | 3 hr |
| Aug 27, 1:22 PM EDT | Tornado Watch | SPC | Pike, Susquehanna, Wayne | 7 hr |
| Aug 27, 2:14 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Cambria, Cumberland, Fayette and 6 more | 2 hr |
| Aug 27, 2:49 PM EDT | Severe Thunderstorm Watch | SPC | Bradford, Cameron, Clinton, Elk, Lackawanna, Luzerne and 7 more | 5 hr |
| Aug 27, 2:59 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 46 min |
| Aug 27, 3:06 PM EDT | Special Weather Statement | CTP | Cameron | 24 min |
| Aug 27, 3:29 PM EDT | Special Weather Statement | CTP | Cameron | 31 min |
| Aug 27, 3:46 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 59 min |
| Aug 27, 4:18 PM EDT | Special Weather Statement | PBZ | Mercer | 27 min |
| Aug 27, 4:34 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria and 9 more | 86 min |
| Aug 27, 4:44 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence, Mercer | 46 min |
| Aug 27, 4:48 PM EDT | Special Weather Statement | PBZ | Butler | 27 min |
| Aug 27, 4:52 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 38 min |
| Aug 27, 4:56 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 64 min |
| Aug 27, 4:56 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Lawrence, Mercer, Venango | 34 min |
| Aug 27, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 53 min |
| Aug 27, 5:23 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 37 min |
| Aug 27, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Indiana and 2 more | 64 min |
| Aug 27, 5:28 PM EDT | Special Weather Statement | CTP | Clearfield | 47 min |
| Aug 27, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 75 min |
| Aug 27, 5:32 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Blair and 28 more | 4 hr |
| Aug 27, 5:33 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 42 min |
| Aug 27, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 55 min |
| Aug 27, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 50 min |
| Aug 27, 5:48 PM EDT | Special Weather Statement | CLE | Crawford | 42 min |
| Aug 27, 5:50 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 55 min |
| Aug 27, 5:50 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 35 min |
| Aug 27, 5:58 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 57 min |
| Aug 27, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 52 min |
| Aug 27, 6:09 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton | 32 min |
| Aug 27, 6:11 PM EDT | Special Weather Statement | CTP | Union | 34 min |
| Aug 27, 6:11 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 49 min |
| Aug 27, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Huntingdon | 75 min |
| Aug 27, 6:19 PM EDT | Special Weather Statement | BGM | Bradford, Susquehanna, Wayne | 56 min |
| Aug 27, 6:32 PM EDT | Special Weather Statement | PBZ | Westmoreland | 28 min |
| Aug 27, 6:35 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bucks, Chester and 24 more | 115 min |
| Aug 27, 6:38 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Union | 43 min |
| Aug 27, 6:40 PM EDT | Special Weather Statement | CTP | Centre, Lycoming, Mifflin, Snyder, Sullivan, Union | 35 min |
| Aug 27, 6:41 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 64 min |
| Aug 27, 6:47 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 58 min |
| Aug 27, 6:52 PM EDT | Severe Thunderstorm Warning | CTP | Snyder | 39 min |
| Aug 27, 6:59 PM EDT | Special Weather Statement | CTP | Bedford, Huntingdon, Juniata, Mifflin | 31 min |
| Aug 27, 7:02 PM EDT | Special Weather Statement | PBZ | Washington | 28 min |
| Aug 27, 7:09 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 66 min |
| Aug 27, 7:10 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 50 min |
| Aug 27, 7:12 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland | 34 min |
| Aug 27, 7:14 PM EDT | Special Weather Statement | BGM | Lackawanna, Susquehanna, Wayne, Wyoming | 61 min |
| Aug 27, 7:16 PM EDT | Special Weather Statement | CTP | Sullivan | 14 min |
| Aug 27, 7:21 PM EDT | Special Weather Statement | CTP | Franklin, Fulton | 54 min |
| Aug 27, 7:29 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton, Huntingdon | 44 min |
| Aug 27, 7:29 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 47 min |
| Aug 27, 7:40 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 65 min |
| Aug 27, 7:51 PM EDT | Special Weather Statement | BGM | Pike, Wayne | 54 min |
| Aug 27, 7:51 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Northampton | 39 min |
| Aug 27, 8:05 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 70 min |
| Aug 27, 8:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 47 min |
| Aug 27, 8:26 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 26 min |
| Aug 27, 8:29 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 46 min |
| Aug 27, 8:42 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 48 min |
| Aug 27, 10:25 PM EDT | Special Weather Statement | PBZ | Armstrong | 35 min |
| Aug 28, 8:56 AM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 49 min |
| Aug 28, 9:40 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Lawrence, Mercer, Venango | 50 min |
| Aug 28, 9:55 AM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Bedford, Blair, Butler and 20 more | 3 hr |
| Aug 28, 10:27 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 48 min |
| Aug 28, 10:46 AM EDT | Areal Flood Advisory | PBZ | Armstrong, Butler, Clarion, Lawrence, Mercer, Venango | 3 hr |
| Aug 28, 10:47 AM EDT | Special Weather Statement | PBZ | Armstrong | 28 min |
| Aug 28, 11:00 AM EDT | Special Weather Statement | CTP | Clearfield | 45 min |
| Aug 28, 11:11 AM EDT | Special Weather Statement | PBZ | Armstrong, Indiana | 49 min |
| Aug 28, 11:35 AM EDT | Special Weather Statement | PBZ | Clarion, Jefferson | 25 min |
| Aug 28, 11:41 AM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Clearfield | 64 min |
| Aug 28, 12:00 PM EDT | Special Weather Statement | PBZ | Allegheny | 30 min |
| Aug 28, 12:03 PM EDT | Special Weather Statement | PBZ | Indiana | 42 min |
| Aug 28, 12:28 PM EDT | Special Weather Statement | CTP | Somerset | 47 min |
| Aug 28, 12:33 PM EDT | Special Weather Statement | PBZ | Beaver | 42 min |
| Aug 28, 12:38 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 6 hr |
| Aug 28, 12:40 PM EDT | Special Weather Statement | CTP | Centre | 65 min |
| Aug 28, 12:42 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Armstrong, Beaver, Butler, Indiana, Westmoreland | 3 hr |
| Aug 28, 12:46 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Huntingdon, Somerset | 59 min |
| Aug 28, 12:56 PM EDT | Special Weather Statement | PBZ | Westmoreland | 34 min |
| Aug 28, 12:57 PM EDT | Areal Flood Advisory | PBZ | Lawrence | 3 hr |
| Aug 28, 1:09 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 51 min |
| Aug 28, 1:14 PM EDT | Flash Flood Warning | PBZ | Allegheny, Indiana, Westmoreland | 6 hr |
| Aug 28, 1:15 PM EDT | Tornado Warning | CTP | Huntingdon, Mifflin | 30 min |
| Aug 28, 1:25 PM EDT | Special Weather Statement | CTP | Somerset | 35 min |
| Aug 28, 1:29 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Franklin, Fulton, Huntingdon, Somerset | 61 min |
| Aug 28, 1:32 PM EDT | Mesoscale Discussion | SPC | Beaver | 88 min |
| Aug 28, 1:35 PM EDT | Special Weather Statement | CTP | Montour, Northumberland | 25 min |
| Aug 28, 1:35 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Perry | 55 min |
| Aug 28, 1:37 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Bedford, Berks, Bucks, Chester, Columbia and 19 more | 8 hr |
| Aug 28, 1:48 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland, Schuylkill | 42 min |
| Aug 28, 1:52 PM EDT | Areal Flood Advisory | CTP | Cambria | 113 min |
| Aug 28, 2:10 PM EDT | Flash Flood Warning | PBZ | Westmoreland | 3 hr |
| Aug 28, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, York | 59 min |
| Aug 28, 2:22 PM EDT | Tornado Warning | CTP | Adams, Cumberland | 38 min |
| Aug 28, 2:28 PM EDT | Special Weather Statement | CTP | Dauphin, Perry | 47 min |
| Aug 28, 2:30 PM EDT | Special Weather Statement | CTP | Schuylkill | 45 min |
| Aug 28, 2:34 PM EDT | Special Weather Statement | CTP | Lebanon | 26 min |
| Aug 28, 2:46 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 29 min |
| Aug 28, 2:53 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 52 min |
| Aug 28, 3:00 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, York | 60 min |
| Aug 28, 3:03 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 42 min |
| Aug 28, 3:06 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 24 min |
| Aug 28, 3:22 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 53 min |
| Aug 28, 3:26 PM EDT | Special Weather Statement | PBZ | Fayette | 34 min |
| Aug 28, 3:28 PM EDT | Tornado Warning | PBZ | Fayette | 32 min |
| Aug 28, 3:33 PM EDT | Areal Flood Advisory | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 101 min |
| Aug 28, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 54 min |
| Aug 28, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 54 min |
| Aug 28, 3:50 PM EDT | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 85 min |
| Aug 28, 3:52 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 53 min |
| Aug 28, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 49 min |
| Aug 28, 4:01 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 44 min |
| Aug 28, 4:39 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 66 min |
| Aug 28, 10:47 PM EDT | Areal Flood Warning | PBZ | Beaver | 3 hr |
| Aug 29, 4:35 AM EDT | Beach Hazards Statement | CLE | Erie | 29 hr |
| Aug 29, 3:38 PM EDT | Special Weather Statement | CTP | Centre | 52 min |
| Aug 29, 3:56 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Columbia, Cumberland and 21 more | 2 hr |
| Aug 29, 4:04 PM EDT | Special Weather Statement | CTP | Dauphin | 56 min |
| Aug 29, 4:27 PM EDT | Special Weather Statement | CTP | Snyder, Union | 63 min |
| Aug 29, 4:35 PM EDT | Special Weather Statement | BGM | Wyoming | 25 min |
| Aug 29, 4:36 PM EDT | Special Weather Statement | CTP | Adams | 54 min |
| Aug 29, 4:50 PM EDT | Special Weather Statement | CTP | Juniata, Mifflin | 55 min |
| Aug 29, 5:01 PM EDT | Special Weather Statement | BGM | Lackawanna, Luzerne | 29 min |
| Aug 29, 5:01 PM EDT | Special Weather Statement | CTP | Columbia | 44 min |
| Aug 29, 5:05 PM EDT | Special Weather Statement | CTP | Lancaster | 55 min |
| Aug 29, 5:22 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 23 min |
| Aug 29, 5:32 PM EDT | Special Weather Statement | BGM | Luzerne | 58 min |
| Aug 29, 5:33 PM EDT | Special Weather Statement | CTP | Columbia, Northumberland, Schuylkill | 57 min |
| Aug 29, 5:34 PM EDT | Special Weather Statement | PHI | Carbon, Monroe | 56 min |
| Aug 29, 5:43 PM EDT | Special Weather Statement | BGM | Luzerne | 47 min |
| Aug 29, 5:55 PM EDT | Special Weather Statement | CTP | Dauphin | 50 min |
| Aug 29, 6:08 PM EDT | Special Weather Statement | PHI | Berks, Carbon, Lehigh, Northampton | 67 min |
| Aug 29, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 64 min |
| Aug 29, 6:29 PM EDT | Special Weather Statement | CTP | Schuylkill | 31 min |
| Aug 29, 6:44 PM EDT | Special Weather Statement | CTP | York | 61 min |
| Aug 29, 6:45 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Lehigh, Monroe, Northampton, Pike | 2 hr |
| Aug 29, 6:50 PM EDT | Special Weather Statement | PHI | Berks | 55 min |
| Aug 29, 7:16 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 59 min |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 130 |
| Tornado Warning | 16 |
| Severe Thunderstorm Watch | 6 |
| Tornado Watch | 3 |
| Mesoscale Discussion | 26 |
| Special Weather Statement | 184 |
| Flooding | |
| Areal Flood Warning | 13 |
| Flash Flood Warning | 29 |
| River Flood Warning | 15 |
| Flash Flood Watch | 10 |
| Areal Flood Advisory | 63 |
| Heat | |
| Heat Advisory | 1 |
| Wind and dust | |
| Wind Advisory | 1 |
| Tropical | |
| Tropical Storm Warning | 1 |
| Tropical Storm Watch | 1 |
| Coast and beach | |
| Coastal Flood Advisory | 3 |
| Beach Hazards Statement | 6 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chester County57
- Bucks County54
- Delaware County51
- Montgomery County48
- Northampton County47
- Lehigh County44
- Philadelphia County44
- Berks County38
- Lancaster County38
- Westmoreland County32
- York County31
- Allegheny County30
- Monroe County29
- Franklin County27
- Wayne County27
- Schuylkill County25
- Armstrong County25
- Fayette County24
- Adams County22
- Carbon County22
- Pike County21
- Washington County20
- Luzerne County20
- Somerset County20
- Butler County20
- Mifflin County19
- Beaver County18
- Lebanon County18
- Susquehanna County18
- Cumberland County18
- Huntingdon County18
- Indiana County17
- Dauphin County16
- Columbia County16
- Northumberland County16
- Bedford County16
- Lackawanna County15
- Juniata County15
- Centre County15
- Clarion County15
27 more counties
- Fulton County14
- Wyoming County14
- Perry County14
- Snyder County14
- Mercer County13
- Blair County13
- Lawrence County12
- Bradford County12
- Union County12
- Cambria County12
- Greene County11
- Sullivan County11
- Montour County11
- Clearfield County11
- Clinton County10
- Lycoming County10
- Cameron County10
- Jefferson County10
- Venango County10
- Tioga County9
- Erie County7
- Warren County7
- Potter County5
- Crawford County4
- Elk County4
- McKean County4
- Forest County3
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.