Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2025
Severe Thunderstorm Warnings in Pennsylvania, April 2025
66 severe thunderstorm warnings in April 2025. 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 April 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 66
- Busiest day
- April 29, 202520 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 |
|---|---|---|---|---|
| Mar 31, 8:38 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 52 min |
| Apr 2, 1:10 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 23 min |
| Apr 2, 1:36 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 24 min |
| Apr 2, 1:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 34 min |
| Apr 2, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 43 min |
| Apr 2, 2:10 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 35 min |
| Apr 2, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Washington, Westmoreland | 42 min |
| Apr 2, 2:41 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 18 min |
| Apr 2, 3:16 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 29 min |
| Apr 2, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 35 min |
| Apr 3, 3:50 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Greene, Washington | 40 min |
| Apr 3, 4:28 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 62 min |
| Apr 3, 4:37 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Indiana, Jefferson and 2 more | 38 min |
| Apr 3, 5:29 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 31 min |
| Apr 4, 4:40 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 50 min |
| Apr 15, 1:35 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Mifflin | 25 min |
| Apr 15, 1:47 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 32 min |
| Apr 15, 1:58 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Juniata, Mifflin, Snyder, Union | 32 min |
| Apr 15, 3:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 53 min |
| Apr 15, 3:09 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 51 min |
| Apr 15, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 1 more | 49 min |
| Apr 15, 4:07 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 53 min |
| Apr 15, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 40 min |
| Apr 19, 1:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 41 min |
| Apr 19, 1:54 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 22 min |
| Apr 19, 2:44 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton | 31 min |
| Apr 19, 2:56 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 19 min |
| Apr 19, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 17 min |
| Apr 19, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan | 24 min |
| Apr 19, 4:48 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Susquehanna, Wayne | 42 min |
| Apr 19, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 39 min |
| Apr 19, 6:12 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 22 min |
| Apr 19, 6:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 31 min |
| Apr 19, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 48 min |
| Apr 19, 6:52 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Indiana, Westmoreland | 22 min |
| Apr 19, 7:39 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 44 min |
| Apr 19, 8:23 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Westmoreland | 27 min |
| Apr 19, 8:39 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 36 min |
| Apr 19, 9:11 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 34 min |
| Apr 19, 9:41 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 34 min |
| Apr 19, 10:06 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 39 min |
| Apr 19, 10:26 PM EDT | Severe Thunderstorm Warning | CTP | York | 49 min |
| Apr 21, 5:28 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 44 min |
| Apr 21, 5:57 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 48 min |
| Apr 21, 8:50 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 39 min |
| Apr 29, 4:16 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Lawrence, Washington | 44 min |
| Apr 29, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Forest, Lawrence, Mercer, Venango | 56 min |
| Apr 29, 4:46 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Indiana, Lawrence and 2 more | 44 min |
| Apr 29, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 40 min |
| Apr 29, 5:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Forest, Indiana and 4 more | 54 min |
| Apr 29, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 66 min |
| Apr 29, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 47 min |
| Apr 29, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 68 min |
| Apr 29, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 36 min |
| Apr 29, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Jefferson | 26 min |
| Apr 29, 6:10 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Centre, Clearfield, Huntingdon | 65 min |
| Apr 29, 6:13 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 62 min |
| Apr 29, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 42 min |
| Apr 29, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 39 min |
| Apr 29, 6:57 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 18 min |
| Apr 29, 7:12 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 33 min |
| Apr 29, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Lycoming, Mifflin, Montour, Northumberland, Perry and 2 more | 59 min |
| Apr 29, 7:25 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 50 min |
| Apr 29, 7:50 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lebanon, Northumberland, Schuylkill, Sullivan | 55 min |
| Apr 29, 7:59 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Luzerne, Wyoming | 46 min |
| Apr 29, 8:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Monroe, Northampton | 45 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County16
- Allegheny County13
- Washington County13
- Fayette County9
- Beaver County8
- Greene County8
- Butler County7
- Armstrong County7
- Indiana County7
- Centre County7
- Lawrence County5
- Clarion County5
- Somerset County4
- Jefferson County4
- Clinton County4
- Mifflin County4
- Clearfield County4
- Forest County4
- Delaware County3
- Montgomery County3
- Cambria County3
- Bradford County3
- Juniata County3
- Berks County3
- Lehigh County3
- Northumberland County3
- Bedford County3
- Venango County3
- Bucks County2
- Philadelphia County2
- Chester County2
- Snyder County2
- Union County2
- Adams County2
- Franklin County2
- Northampton County2
- Monroe County2
- Dauphin County2
- Lebanon County2
- Columbia County2
23 more counties
- Lycoming County2
- Montour County2
- Sullivan County2
- Lackawanna County2
- Blair County2
- Fulton County2
- Huntingdon County2
- Lancaster County1
- Cameron County1
- Pike County1
- Susquehanna County1
- Wayne County1
- York County1
- Crawford County1
- Erie County1
- Warren County1
- Mercer County1
- Tioga County1
- Perry County1
- Schuylkill County1
- Luzerne County1
- Wyoming County1
- Carbon County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20242026
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.