Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2023
Severe Thunderstorm Warnings in Pennsylvania, April 2023
57 severe thunderstorm warnings in April 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 April 2023. Tap one for its archive.
- Severe Thunderstorm Warnings
- 57
- Busiest day
- April 1, 202325 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 |
|---|---|---|---|---|
| Apr 1, 3:24 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 37 min |
| Apr 1, 12:54 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 96 min |
| Apr 1, 12:57 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Mercer | 48 min |
| Apr 1, 1:33 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 72 min |
| Apr 1, 1:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Mercer, Venango | 26 min |
| Apr 1, 1:59 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Indiana, Jefferson and 2 more | 30 min |
| Apr 1, 2:07 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 53 min |
| Apr 1, 2:18 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk, McKean | 57 min |
| Apr 1, 2:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 23 min |
| Apr 1, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 45 min |
| Apr 1, 3:07 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Potter | 53 min |
| Apr 1, 3:11 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 25 min |
| Apr 1, 3:26 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 34 min |
| Apr 1, 3:29 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 61 min |
| Apr 1, 3:31 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 59 min |
| Apr 1, 4:01 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 59 min |
| Apr 1, 4:24 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Susquehanna, Wayne, Wyoming | 48 min |
| Apr 1, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, Lebanon, York | 40 min |
| Apr 1, 5:16 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Dauphin, Lancaster, Lebanon, Schuylkill, York | 74 min |
| Apr 1, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh, Northampton | 48 min |
| Apr 1, 5:53 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 67 min |
| Apr 1, 6:04 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 56 min |
| Apr 1, 6:37 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 53 min |
| Apr 1, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 51 min |
| Apr 1, 7:11 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 64 min |
| Apr 5, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Washington | 66 min |
| Apr 5, 6:57 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 63 min |
| Apr 5, 7:43 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Washington | 32 min |
| Apr 5, 7:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Greene, Washington | 46 min |
| Apr 5, 8:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Westmoreland | 32 min |
| Apr 5, 8:19 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 26 min |
| Apr 5, 8:57 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 33 min |
| Apr 5, 9:57 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 48 min |
| Apr 5, 10:25 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Huntingdon | 50 min |
| Apr 5, 10:42 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 18 min |
| Apr 15, 1:03 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 27 min |
| Apr 15, 1:34 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 26 min |
| Apr 15, 1:51 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 24 min |
| Apr 15, 1:58 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 32 min |
| Apr 15, 2:02 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 28 min |
| Apr 15, 4:05 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 25 min |
| Apr 15, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 14 min |
| Apr 22, 2:33 PM EDT | Severe Thunderstorm Warning | CTP | York | 42 min |
| Apr 22, 2:38 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 37 min |
| Apr 22, 3:08 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill | 37 min |
| Apr 22, 3:16 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 44 min |
| Apr 22, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 28 min |
| Apr 22, 4:16 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 44 min |
| Apr 22, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 41 min |
| Apr 22, 4:52 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Monroe, Northampton | 38 min |
| Apr 22, 5:29 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 46 min |
| Apr 22, 5:30 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 45 min |
| Apr 22, 5:59 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Susquehanna, Wayne | 61 min |
| Apr 22, 6:11 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Monroe, Northampton | 49 min |
| Apr 22, 6:15 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 45 min |
| Apr 22, 6:32 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 28 min |
| Apr 22, 6:57 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 63 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Northampton County9
- Bucks County8
- Beaver County6
- Allegheny County6
- Washington County6
- Lehigh County6
- Monroe County6
- Westmoreland County5
- Cambria County5
- Wayne County5
- Dauphin County5
- Lancaster County5
- Lebanon County5
- York County5
- Chester County5
- Lawrence County4
- Berks County4
- Carbon County4
- Montgomery County4
- Philadelphia County4
- Butler County3
- Somerset County3
- Bradford County3
- Susquehanna County3
- Delaware County3
- Pike County3
- Crawford County2
- Erie County2
- Mercer County2
- Venango County2
- Armstrong County2
- Indiana County2
- Greene County2
- Centre County2
- Clinton County2
- Lycoming County2
- Lackawanna County2
- Schuylkill County2
- Blair County2
- Warren County1
19 more counties
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.