Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2026
Severe Thunderstorm Warnings in Pennsylvania, March 2026
92 severe thunderstorm warnings in March 2026. 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 March 2026. Tap one for its archive.
- Severe Thunderstorm Warnings
- 92
- Busiest day
- March 7, 202620 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 7, 1:22 PM EST | Severe Thunderstorm Warning | CLE | Crawford | 38 min |
| Mar 7, 2:33 PM EST | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 42 min |
| Mar 7, 2:58 PM EST | Severe Thunderstorm Warning | PBZ | Forest, Mercer, Venango | 47 min |
| Mar 7, 3:02 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 43 min |
| Mar 7, 3:17 PM EST | Severe Thunderstorm Warning | PBZ | Washington | 43 min |
| Mar 7, 3:24 PM EST | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 51 min |
| Mar 7, 3:36 PM EST | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 54 min |
| Mar 7, 3:37 PM EST | Severe Thunderstorm Warning | PBZ | Forest | 17 min |
| Mar 7, 3:40 PM EST | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 50 min |
| Mar 7, 3:53 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 52 min |
| Mar 7, 4:03 PM EST | Severe Thunderstorm Warning | PBZ | Butler, Lawrence | 27 min |
| Mar 7, 4:13 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Washington, Westmoreland | 47 min |
| Mar 7, 4:26 PM EST | Severe Thunderstorm Warning | CTP | Cameron, Elk | 49 min |
| Mar 7, 4:33 PM EST | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 27 min |
| Mar 7, 4:41 PM EST | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 28 min |
| Mar 7, 4:45 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Washington, Westmoreland | 45 min |
| Mar 7, 5:02 PM EST | Severe Thunderstorm Warning | PBZ | Indiana | 28 min |
| Mar 7, 5:03 PM EST | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 27 min |
| Mar 7, 5:23 PM EST | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 22 min |
| Mar 7, 5:26 PM EST | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 38 min |
| Mar 11, 12:14 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 76 min |
| Mar 11, 1:41 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington, Westmoreland | 34 min |
| Mar 11, 1:46 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 44 min |
| Mar 11, 2:11 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 49 min |
| Mar 11, 2:42 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 63 min |
| Mar 11, 2:54 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 36 min |
| Mar 11, 3:05 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 10 min |
| Mar 11, 3:09 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield | 36 min |
| Mar 11, 3:27 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 48 min |
| Mar 11, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon, Mifflin | 30 min |
| Mar 11, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon, Juniata, Mifflin | 36 min |
| Mar 11, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Juniata, Perry | 23 min |
| Mar 11, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Perry | 47 min |
| Mar 11, 6:13 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 47 min |
| Mar 11, 6:27 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 33 min |
| Mar 11, 6:42 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 48 min |
| Mar 11, 7:02 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 13 min |
| Mar 11, 7:04 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 41 min |
| Mar 11, 7:07 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 20 min |
| Mar 11, 7:36 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Huntingdon, Somerset | 39 min |
| Mar 11, 8:10 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 50 min |
| Mar 11, 8:28 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 47 min |
| Mar 13, 4:17 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 28 min |
| Mar 13, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 42 min |
| Mar 13, 6:14 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton, Elk, Potter | 31 min |
| Mar 13, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton | 47 min |
| Mar 13, 7:24 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Clinton, Lycoming | 51 min |
| Mar 16, 11:27 AM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 48 min |
| Mar 16, 11:55 AM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 35 min |
| Mar 16, 12:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon | 45 min |
| Mar 16, 12:26 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, Lancaster, Perry, York | 34 min |
| Mar 16, 1:45 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 45 min |
| Mar 16, 2:52 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 53 min |
| Mar 16, 9:54 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 66 min |
| Mar 16, 10:00 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 30 min |
| Mar 16, 10:18 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Lehigh, Monroe, Northampton | 57 min |
| Mar 16, 10:32 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 58 min |
| Mar 16, 11:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 59 min |
| Mar 22, 4:07 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield, Clinton | 38 min |
| Mar 22, 4:39 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Mifflin, Snyder, Union | 36 min |
| Mar 22, 4:44 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson, Venango | 46 min |
| Mar 22, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 43 min |
| Mar 22, 5:11 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 34 min |
| Mar 22, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 42 min |
| Mar 22, 5:23 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 52 min |
| Mar 22, 5:41 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin | 34 min |
| Mar 22, 6:01 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 44 min |
| Mar 22, 6:37 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 38 min |
| Mar 22, 6:39 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 34 min |
| Mar 22, 6:46 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 29 min |
| Mar 22, 7:08 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler | 12 min |
| Mar 22, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 22 min |
| Mar 22, 7:36 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 24 min |
| Mar 22, 7:37 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Beaver, Butler, Clarion, Lawrence | 38 min |
| Mar 22, 7:57 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 18 min |
| Mar 22, 8:13 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin, Snyder, Union | 32 min |
| Mar 22, 8:34 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder | 26 min |
| Mar 22, 8:46 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 44 min |
| Mar 22, 9:51 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 24 min |
| Mar 26, 5:20 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 25 min |
| Mar 26, 5:42 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 33 min |
| Mar 26, 7:35 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 40 min |
| Mar 26, 9:08 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 44 min |
| Mar 26, 9:52 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 38 min |
| Mar 31, 5:58 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 48 min |
| Mar 31, 6:12 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Mar 31, 6:26 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 72 min |
| Mar 31, 6:49 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 56 min |
| Mar 31, 6:52 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 68 min |
| Mar 31, 6:57 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Mercer, Venango | 63 min |
| Mar 31, 7:27 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 32 min |
| Mar 31, 7:52 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 53 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Centre County14
- Washington County11
- Westmoreland County10
- Butler County9
- Allegheny County9
- Clearfield County9
- Indiana County8
- Beaver County7
- Armstrong County7
- Clarion County7
- Clinton County7
- Crawford County6
- Lawrence County6
- Warren County6
- Jefferson County6
- Dauphin County6
- Lancaster County6
- Elk County5
- Blair County5
- Huntingdon County5
- Mifflin County5
- Forest County4
- Mercer County4
- Venango County4
- McKean County4
- Cambria County4
- Perry County4
- Lebanon County4
- Adams County4
- Berks County4
- York County4
- Bucks County4
- Cameron County3
- Erie County3
- Fayette County3
- Juniata County3
- Cumberland County3
- Lehigh County3
- Montgomery County3
- Snyder County3
Nearby
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.