Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2023
Severe Thunderstorm Warnings in Pennsylvania, August 2023
121 severe thunderstorm warnings in August 2023. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of severe thunderstorm warnings reaches back to 1986.
Severe Thunderstorm Warnings by county
Each county as a circle sized by its count in August 2023. Tap one for its archive.
- Severe Thunderstorm Warnings
- 121
- Busiest day
- August 7, 202342 severe thunderstorm warnings
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 4, 1:36 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 39 min |
| Aug 4, 1:44 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 46 min |
| Aug 4, 2:13 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 47 min |
| Aug 4, 2:27 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 48 min |
| Aug 4, 2:29 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 46 min |
| Aug 4, 2:33 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 57 min |
| Aug 4, 3:11 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Union | 49 min |
| Aug 4, 3:15 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 45 min |
| Aug 4, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Juniata, Mifflin, Snyder, Union | 59 min |
| Aug 4, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 31 min |
| Aug 4, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Schuylkill | 17 min |
| Aug 4, 4:56 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 49 min |
| Aug 4, 5:11 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 24 min |
| Aug 4, 5:48 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, York | 42 min |
| Aug 4, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Huntingdon, Juniata, Mifflin, Perry | 48 min |
| Aug 4, 7:18 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 42 min |
| Aug 4, 7:56 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 33 min |
| Aug 4, 8:17 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 43 min |
| Aug 4, 9:33 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 24 min |
| Aug 7, 12:34 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 41 min |
| Aug 7, 12:57 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 48 min |
| Aug 7, 1:31 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 45 min |
| Aug 7, 1:40 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 50 min |
| Aug 7, 1:49 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon | 41 min |
| Aug 7, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton, Huntingdon | 41 min |
| Aug 7, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 47 min |
| Aug 7, 2:14 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 61 min |
| Aug 7, 2:19 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 26 min |
| Aug 7, 2:23 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 34 min |
| Aug 7, 2:24 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 51 min |
| Aug 7, 2:58 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton | 47 min |
| Aug 7, 3:02 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin, Snyder, Union | 43 min |
| Aug 7, 3:11 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 64 min |
| Aug 7, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 39 min |
| Aug 7, 3:45 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Snyder, Union | 45 min |
| Aug 7, 3:54 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 66 min |
| Aug 7, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 70 min |
| Aug 7, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland, Snyder, Union | 39 min |
| Aug 7, 4:26 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 34 min |
| Aug 7, 4:33 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Wyoming | 42 min |
| Aug 7, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 51 min |
| Aug 7, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | York | 35 min |
| Aug 7, 4:58 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 47 min |
| Aug 7, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | York | 52 min |
| Aug 7, 5:11 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wyoming | 34 min |
| Aug 7, 5:16 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 44 min |
| Aug 7, 5:30 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wyoming | 45 min |
| Aug 7, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 45 min |
| Aug 7, 5:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 57 min |
| Aug 7, 5:37 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 53 min |
| Aug 7, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Schuylkill | 51 min |
| Aug 7, 5:43 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 47 min |
| Aug 7, 6:03 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 57 min |
| Aug 7, 6:21 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Montgomery, Philadelphia | 69 min |
| Aug 7, 6:45 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 45 min |
| Aug 7, 6:49 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 41 min |
| Aug 7, 6:53 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Montgomery and 1 more | 52 min |
| Aug 7, 7:20 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 58 min |
| Aug 7, 7:26 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 49 min |
| Aug 7, 7:27 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 48 min |
| Aug 7, 7:54 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 51 min |
| Aug 10, 2:15 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 30 min |
| Aug 12, 1:55 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 65 min |
| Aug 12, 2:13 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 68 min |
| Aug 12, 2:24 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 66 min |
| Aug 12, 3:19 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming | 56 min |
| Aug 12, 3:36 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 39 min |
| Aug 12, 3:49 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 41 min |
| Aug 12, 3:58 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 47 min |
| Aug 12, 4:06 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 39 min |
| Aug 12, 4:18 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk | 42 min |
| Aug 12, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 9 min |
| Aug 12, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 38 min |
| Aug 12, 4:44 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 31 min |
| Aug 12, 4:57 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 48 min |
| Aug 12, 5:03 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 41 min |
| Aug 12, 5:07 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 38 min |
| Aug 12, 5:23 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 52 min |
| Aug 12, 5:31 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 44 min |
| Aug 12, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 57 min |
| Aug 12, 6:12 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 48 min |
| Aug 12, 6:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 39 min |
| Aug 12, 6:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 51 min |
| Aug 12, 6:37 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 38 min |
| Aug 12, 6:45 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 45 min |
| Aug 12, 6:47 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 28 min |
| Aug 12, 6:48 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 42 min |
| Aug 12, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 51 min |
| Aug 12, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 45 min |
| Aug 12, 7:30 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 19 min |
| Aug 12, 7:36 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 39 min |
| Aug 12, 8:29 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 25 min |
| Aug 12, 8:34 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 41 min |
| Aug 12, 8:36 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 39 min |
| Aug 12, 8:52 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 38 min |
| Aug 12, 8:56 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 49 min |
| Aug 12, 9:10 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 50 min |
| Aug 12, 9:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 42 min |
| Aug 12, 9:28 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington, Westmoreland | 33 min |
| Aug 12, 9:45 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 45 min |
| Aug 12, 11:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 43 min |
| Aug 12, 11:59 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 46 min |
| Aug 13, 12:24 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 51 min |
| Aug 13, 1:10 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Montgomery, Northampton | 50 min |
| Aug 15, 4:57 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 30 min |
| Aug 15, 6:50 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 25 min |
| Aug 15, 7:23 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 37 min |
| Aug 24, 11:20 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 85 min |
| Aug 24, 11:56 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 64 min |
| Aug 25, 12:26 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 58 min |
| Aug 25, 12:45 AM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 45 min |
| Aug 25, 12:46 AM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean, Warren | 44 min |
| Aug 25, 12:52 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Washington | 53 min |
| Aug 25, 1:11 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Jefferson, Lawrence and 2 more | 49 min |
| Aug 25, 1:25 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 35 min |
| Aug 25, 1:38 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 52 min |
| Aug 25, 1:39 AM EDT | Severe Thunderstorm Warning | CTP | Somerset | 66 min |
| Aug 25, 1:46 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Forest, Indiana and 2 more | 44 min |
| Aug 25, 2:22 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Westmoreland | 38 min |
| Aug 25, 2:40 AM EDT | Severe Thunderstorm Warning | CTP | Somerset | 50 min |
| Aug 25, 2:42 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 48 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fayette County13
- Susquehanna County11
- Bradford County10
- Franklin County10
- Greene County9
- Westmoreland County9
- Wayne County8
- Montgomery County8
- Centre County7
- Berks County7
- Chester County7
- Delaware County7
- Bucks County7
- Washington County7
- Mifflin County6
- Adams County6
- Indiana County6
- Butler County6
- Columbia County5
- Union County5
- Huntingdon County5
- Lehigh County5
- Allegheny County5
- Armstrong County5
- Montour County4
- Northumberland County4
- Snyder County4
- Cumberland County4
- Fulton County4
- Jefferson County4
- Luzerne County4
- Carbon County4
- Northampton County4
- Crawford County4
- Venango County4
- Lawrence County4
- Beaver County4
- Lycoming County3
- Clinton County3
- Juniata County3
22 more counties
- York County3
- Blair County3
- Somerset County3
- Wyoming County3
- Philadelphia County3
- Monroe County3
- Warren County3
- Elk County3
- Forest County3
- Mercer County3
- Clarion County3
- Schuylkill County2
- Bedford County2
- Lancaster County2
- McKean County2
- Cameron County2
- Cambria County2
- Erie County2
- Tioga County1
- Perry County1
- Lackawanna County1
- Pike County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20222024
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.