Alert archive / Pennsylvania / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Pennsylvania, 2025
545 severe thunderstorm warnings in 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 2025. Tap one for its archive.
- Severe Thunderstorm Warnings
- 545
- Busiest month
- June182 severe thunderstorm warnings
- Busiest day
- June 19, 202528 severe thunderstorm warnings
Over time
By month
Warning verification
How often warnings here had a storm report inside them, and how much warning the reports had.
350 of 545 severe thunderstorm warnings covering Pennsylvania in 2025 had a qualifying storm report inside them; 1,156 of 1,266 hail, wind and damage reports fell inside a warning, on average 24 minutes after it went out.
Pennsylvania, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| Severe thunderstorm warnings | 545 | 350 | 36% | 1,266 | 91% | 24 min |
Each office's whole area, 2025
| Warnings | With a report | False alarm ratio | Reports | Inside a warning | Mean lead time | |
|---|---|---|---|---|---|---|
| NWS Binghamton, NY: severe thunderstorm warnings | 131 | 88 | 33% | 381 | 89% | 24 min |
| NWS State College, PA: severe thunderstorm warnings | 212 | 129 | 39% | 354 | 89% | 22 min |
| NWS Pittsburgh, PA: severe thunderstorm warnings | 273 | 175 | 36% | 988 | 93% | 24 min |
| NWS Cleveland, OH: severe thunderstorm warnings | 165 | 101 | 39% | 336 | 88% | 24 min |
| NWS Philadelphia/Mount Holly: severe thunderstorm warnings | 233 | 131 | 44% | 502 | 91% | 23 min |
An office's figures cover every county it serves, including across state lines.
Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.
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 |
|---|---|---|---|---|
| Feb 27, 8:50 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 25 min |
| Mar 5, 4:27 PM EST | Severe Thunderstorm Warning | PBZ | Jefferson | 23 min |
| Mar 5, 4:41 PM EST | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 34 min |
| Mar 16, 11:17 AM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 43 min |
| Mar 16, 11:54 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 51 min |
| Mar 16, 11:56 AM EDT | Severe Thunderstorm Warning | PBZ | Greene | 49 min |
| Mar 16, 12:16 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Greene, Washington and 1 more | 44 min |
| Mar 16, 12:26 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 49 min |
| Mar 16, 12:28 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 32 min |
| Mar 16, 12:48 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Indiana, Jefferson and 1 more | 57 min |
| Mar 16, 12:51 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Mercer | 39 min |
| Mar 16, 12:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Indiana, Westmoreland | 64 min |
| Mar 16, 12:59 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 91 min |
| Mar 16, 12:59 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Cambria, Somerset | 61 min |
| Mar 16, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence, Mercer, Venango, Washington | 47 min |
| Mar 16, 1:21 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Forest, Indiana, Jefferson, Venango | 54 min |
| Mar 16, 1:27 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk, McKean, Warren | 63 min |
| Mar 16, 1:47 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Centre, Clearfield, Elk and 1 more | 43 min |
| Mar 16, 1:53 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Forest, Mercer, Venango | 25 min |
| Mar 16, 2:27 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Elk, McKean and 1 more | 78 min |
| Mar 16, 2:27 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon, Mifflin | 78 min |
| Mar 16, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming, Tioga | 57 min |
| Mar 16, 3:44 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 46 min |
| Mar 16, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Fulton, Huntingdon, Juniata, Perry | 62 min |
| Mar 16, 3:59 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Susquehanna, Wyoming | 61 min |
| Mar 16, 5:00 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 30 min |
| Mar 16, 5:27 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 63 min |
| Mar 16, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence, Mercer | 43 min |
| Mar 16, 9:01 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 14 min |
| Mar 16, 9:02 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 44 min |
| Mar 16, 9:32 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 43 min |
| Mar 31, 6:38 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Montgomery | 14 min |
| Mar 31, 7:34 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 41 min |
| 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 |
| May 1, 3:27 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 48 min |
| May 1, 4:38 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 52 min |
| May 1, 4:40 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 35 min |
| May 1, 5:09 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 51 min |
| May 1, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 49 min |
| May 1, 5:53 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 52 min |
| May 1, 5:56 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 34 min |
| May 1, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 47 min |
| May 1, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 49 min |
| May 1, 6:29 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 46 min |
| May 1, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Indiana, Westmoreland | 43 min |
| May 1, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 33 min |
| May 1, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 31 min |
| May 1, 7:12 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 48 min |
| May 1, 7:12 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 37 min |
| May 1, 7:44 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield | 46 min |
| May 1, 8:22 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton | 38 min |
| May 1, 8:30 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Huntingdon, Juniata, Perry | 45 min |
| May 2, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 51 min |
| May 2, 3:57 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 48 min |
| May 2, 4:07 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 38 min |
| May 2, 4:08 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 37 min |
| May 2, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 42 min |
| May 2, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 40 min |
| May 2, 4:43 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 32 min |
| May 2, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 45 min |
| May 2, 4:51 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 39 min |
| May 2, 4:52 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 26 min |
| May 2, 5:02 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 12 min |
| May 2, 5:09 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 36 min |
| May 2, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 47 min |
| May 2, 5:15 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 28 min |
| May 2, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 49 min |
| May 2, 6:04 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 41 min |
| May 2, 6:26 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 34 min |
| May 3, 4:38 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 52 min |
| May 3, 6:16 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 44 min |
| May 3, 7:34 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 41 min |
| May 3, 8:10 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 50 min |
| May 3, 8:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 43 min |
| May 3, 9:50 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester | 17 min |
| May 4, 6:21 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 39 min |
| May 4, 6:42 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 43 min |
| May 4, 6:57 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 33 min |
| May 4, 7:24 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 36 min |
| May 4, 7:52 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 20 min |
| May 4, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 47 min |
| May 4, 8:03 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 22 min |
| May 4, 9:41 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 25 min |
| May 5, 4:25 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 34 min |
| May 5, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington, Westmoreland | 17 min |
| May 5, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 32 min |
| May 6, 12:46 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 29 min |
| May 6, 1:08 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 37 min |
| May 6, 1:20 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 40 min |
| May 6, 1:31 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 44 min |
| May 6, 1:55 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder, Union | 50 min |
| May 6, 2:12 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 48 min |
| May 6, 2:28 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 47 min |
| May 6, 2:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Carbon, Lehigh | 59 min |
| May 6, 3:10 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 50 min |
| May 6, 3:34 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 41 min |
| May 6, 3:41 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 49 min |
| May 6, 4:09 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 51 min |
| May 6, 4:18 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 57 min |
| May 6, 4:44 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 46 min |
| May 6, 5:18 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 42 min |
| May 6, 6:13 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 47 min |
| May 16, 4:31 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 44 min |
| May 16, 4:56 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 49 min |
| May 16, 5:23 AM EDT | Severe Thunderstorm Warning | CLE | Crawford | 37 min |
| May 16, 5:44 AM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 46 min |
| May 16, 10:24 AM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Carbon, Chester, Lehigh, Monroe and 2 more | 66 min |
| May 16, 11:16 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 59 min |
| May 16, 11:22 AM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery, Philadelphia | 53 min |
| May 16, 12:20 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 40 min |
| May 16, 2:55 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon | 50 min |
| May 16, 3:14 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson | 46 min |
| May 16, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin | 47 min |
| May 16, 4:18 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 57 min |
| May 16, 4:30 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 75 min |
| May 16, 4:55 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton | 35 min |
| May 16, 5:01 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 89 min |
| May 16, 5:24 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 66 min |
| May 16, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 38 min |
| May 16, 6:01 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lancaster, Perry, York | 44 min |
| May 16, 6:04 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 41 min |
| May 16, 6:06 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 24 min |
| May 16, 7:08 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 52 min |
| May 16, 7:32 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 58 min |
| May 17, 12:16 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 29 min |
| May 17, 12:32 AM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 43 min |
| May 17, 12:42 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 48 min |
| May 17, 1:07 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 53 min |
| May 17, 4:26 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 38 min |
| May 17, 4:41 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 40 min |
| Jun 5, 1:39 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 51 min |
| Jun 5, 3:41 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 49 min |
| Jun 5, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 47 min |
| Jun 5, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 45 min |
| Jun 5, 4:53 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 37 min |
| Jun 5, 5:18 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 27 min |
| Jun 5, 5:27 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 30 min |
| Jun 5, 7:06 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 24 min |
| Jun 5, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 40 min |
| Jun 5, 7:41 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield | 34 min |
| Jun 6, 9:40 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 38 min |
| Jun 6, 9:49 AM EDT | Severe Thunderstorm Warning | CTP | Cambria | 56 min |
| Jun 6, 1:00 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 30 min |
| Jun 6, 2:19 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Westmoreland | 26 min |
| Jun 6, 2:20 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 25 min |
| Jun 6, 4:46 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Potter, Tioga | 29 min |
| Jun 9, 3:30 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 42 min |
| Jun 9, 3:42 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 48 min |
| Jun 9, 3:53 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 52 min |
| Jun 9, 4:02 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 28 min |
| Jun 9, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 63 min |
| Jun 9, 4:49 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 56 min |
| Jun 9, 4:55 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 80 min |
| Jun 9, 4:58 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 47 min |
| Jun 9, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 68 min |
| Jun 9, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 28 min |
| Jun 9, 6:09 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 17 min |
| Jun 9, 6:52 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 38 min |
| Jun 9, 6:56 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 49 min |
| Jun 9, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 45 min |
| Jun 9, 7:13 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 42 min |
| Jun 9, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 45 min |
| Jun 9, 7:22 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 38 min |
| Jun 9, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 45 min |
| Jun 9, 7:58 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon | 47 min |
| Jun 9, 8:11 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 49 min |
| Jun 9, 8:33 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 42 min |
| Jun 9, 8:57 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 48 min |
| Jun 9, 9:05 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton, Huntingdon | 40 min |
| Jun 9, 9:11 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Mifflin, Snyder, Union | 49 min |
| Jun 9, 9:18 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin, Snyder | 42 min |
| Jun 9, 9:56 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin, Snyder, Union | 49 min |
| Jun 9, 10:05 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin | 40 min |
| Jun 10, 7:44 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 31 min |
| Jun 10, 7:47 AM EDT | Severe Thunderstorm Warning | PHI | Berks | 43 min |
| Jun 12, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 36 min |
| Jun 12, 6:25 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 35 min |
| Jun 14, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 31 min |
| Jun 17, 2:13 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 22 min |
| Jun 18, 4:18 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 47 min |
| Jun 18, 4:55 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 65 min |
| Jun 18, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 46 min |
| Jun 18, 5:20 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 40 min |
| Jun 18, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 66 min |
| Jun 18, 5:43 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Indiana | 47 min |
| Jun 18, 6:56 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 19 min |
| Jun 18, 7:08 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 52 min |
| Jun 18, 7:26 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 34 min |
| Jun 18, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 41 min |
| Jun 18, 7:51 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clearfield, Clinton, Huntingdon | 39 min |
| Jun 18, 8:25 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 50 min |
| Jun 18, 8:42 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 48 min |
| Jun 18, 9:17 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Montour, Northumberland, Union | 43 min |
| Jun 18, 9:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 61 min |
| Jun 18, 10:01 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence, Mercer, Washington | 59 min |
| Jun 18, 10:14 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour | 46 min |
| Jun 18, 10:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 69 min |
| Jun 18, 10:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Clarion, Forest and 5 more | 66 min |
| Jun 18, 10:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 63 min |
| Jun 18, 11:57 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Clarion, Forest, Indiana and 3 more | 63 min |
| Jun 19, 3:56 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 64 min |
| Jun 19, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 41 min |
| Jun 19, 4:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 46 min |
| Jun 19, 5:13 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 32 min |
| Jun 19, 5:13 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 47 min |
| Jun 19, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 52 min |
| Jun 19, 5:31 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 44 min |
| Jun 19, 5:40 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 50 min |
| Jun 19, 5:42 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 22 min |
| Jun 19, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 31 min |
| Jun 19, 5:50 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 25 min |
| Jun 19, 6:04 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 41 min |
| Jun 19, 6:12 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 48 min |
| Jun 19, 6:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 31 min |
| Jun 19, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair | 31 min |
| Jun 19, 6:49 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 56 min |
| Jun 19, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Snyder, Union | 70 min |
| Jun 19, 7:29 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Wyoming | 61 min |
| Jun 19, 8:34 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 41 min |
| Jun 22, 5:58 AM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 47 min |
| Jun 25, 12:23 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 52 min |
| Jun 25, 1:00 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 45 min |
| Jun 25, 2:01 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 44 min |
| Jun 25, 3:02 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 28 min |
| Jun 25, 4:56 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington, Westmoreland | 49 min |
| Jun 25, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 39 min |
| Jun 25, 5:31 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 44 min |
| Jun 25, 5:32 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 43 min |
| Jun 25, 5:39 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 66 min |
| Jun 25, 5:45 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour | 30 min |
| Jun 25, 5:54 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 51 min |
| Jun 25, 6:02 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 26 min |
| Jun 25, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 39 min |
| Jun 25, 6:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 38 min |
| Jun 25, 6:36 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 39 min |
| Jun 25, 6:41 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 32 min |
| Jun 25, 7:34 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin, Fulton | 71 min |
| Jun 25, 7:54 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 26 min |
| Jun 26, 2:03 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 42 min |
| Jun 26, 2:04 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton, Huntingdon | 56 min |
| Jun 26, 2:16 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 29 min |
| Jun 26, 2:39 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 51 min |
| Jun 26, 3:26 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Northumberland, Snyder, Union | 64 min |
| Jun 26, 3:35 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 40 min |
| Jun 26, 3:48 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 42 min |
| Jun 26, 3:58 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 47 min |
| Jun 26, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 40 min |
| Jun 26, 4:31 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 44 min |
| Jun 26, 4:42 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 48 min |
| Jun 26, 5:04 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 15 min |
| Jun 26, 5:12 PM EDT | Severe Thunderstorm Warning | CTP | York | 63 min |
| Jun 26, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 38 min |
| Jun 26, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon | 53 min |
| Jun 26, 5:37 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 38 min |
| Jun 26, 5:45 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 45 min |
| Jun 26, 5:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Westmoreland | 49 min |
| Jun 26, 6:05 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 40 min |
| Jun 26, 6:22 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 38 min |
| Jun 26, 6:26 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 64 min |
| Jun 26, 6:29 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 46 min |
| Jun 26, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 36 min |
| Jun 26, 6:59 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 46 min |
| Jun 26, 7:14 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 46 min |
| Jun 26, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 44 min |
| Jun 26, 8:27 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton, Huntingdon | 48 min |
| Jun 26, 9:00 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 45 min |
| Jun 27, 3:12 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 48 min |
| Jun 27, 3:29 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 31 min |
| Jun 27, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence, Mercer | 38 min |
| Jun 27, 3:59 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 46 min |
| Jun 27, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 61 min |
| Jun 27, 5:11 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 34 min |
| Jun 27, 5:17 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 28 min |
| Jun 27, 5:34 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 27 min |
| Jun 27, 5:42 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 48 min |
| Jun 27, 5:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 51 min |
| Jun 27, 7:14 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 46 min |
| Jun 27, 8:49 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 41 min |
| Jun 27, 9:24 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 36 min |
| Jun 28, 10:46 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 44 min |
| Jun 28, 11:17 AM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 43 min |
| Jun 28, 11:27 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 48 min |
| Jun 28, 12:05 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 55 min |
| Jun 28, 12:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 42 min |
| Jun 28, 12:28 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 47 min |
| Jun 28, 12:44 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Indiana, Jefferson, Westmoreland | 61 min |
| Jun 28, 1:03 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 72 min |
| Jun 28, 2:06 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 39 min |
| Jun 28, 2:21 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 39 min |
| Jun 28, 3:01 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 44 min |
| Jun 28, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Montour, Northumberland, Sullivan, Tioga | 43 min |
| Jun 28, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming, Mifflin, Montour, Northumberland and 2 more | 50 min |
| Jun 28, 4:06 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 33 min |
| Jun 28, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 47 min |
| Jun 28, 7:18 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 42 min |
| Jun 28, 7:58 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 77 min |
| Jun 30, 1:28 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 47 min |
| Jun 30, 2:14 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 46 min |
| Jun 30, 3:06 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Sullivan | 39 min |
| Jun 30, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 50 min |
| Jun 30, 3:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 46 min |
| Jun 30, 3:48 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 42 min |
| Jun 30, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 31 min |
| Jun 30, 4:59 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 46 min |
| Jun 30, 5:14 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 46 min |
| Jun 30, 5:17 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 43 min |
| Jun 30, 5:20 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 27 min |
| Jun 30, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 30 min |
| Jun 30, 6:17 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 30 min |
| Jun 30, 7:21 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 24 min |
| Jun 30, 7:30 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 33 min |
| Jun 30, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming | 45 min |
| Jun 30, 10:55 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 80 min |
| Jun 30, 11:47 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Delaware, Montgomery | 43 min |
| Jul 1, 12:23 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 52 min |
| Jul 1, 12:38 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 36 min |
| Jul 1, 2:32 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 43 min |
| Jul 1, 2:58 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 47 min |
| Jul 1, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Perry, Schuylkill, York | 58 min |
| Jul 1, 3:34 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 56 min |
| Jul 1, 3:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 66 min |
| Jul 1, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Lehigh, Montgomery | 63 min |
| Jul 1, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 31 min |
| Jul 1, 5:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery, Northampton | 38 min |
| Jul 3, 2:03 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 42 min |
| Jul 3, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 29 min |
| Jul 3, 2:38 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 21 min |
| Jul 3, 3:14 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 46 min |
| Jul 3, 3:23 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 26 min |
| Jul 3, 3:28 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 32 min |
| Jul 3, 3:35 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 40 min |
| Jul 3, 3:36 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 24 min |
| Jul 3, 3:44 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 31 min |
| Jul 3, 3:48 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Susquehanna, Wyoming | 42 min |
| Jul 3, 3:55 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 35 min |
| Jul 3, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 49 min |
| Jul 3, 3:57 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 48 min |
| Jul 3, 4:00 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne | 45 min |
| Jul 3, 4:22 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 38 min |
| Jul 3, 4:35 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 40 min |
| Jul 3, 4:41 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 49 min |
| Jul 3, 5:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 48 min |
| Jul 3, 5:56 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Northampton | 49 min |
| Jul 3, 6:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 34 min |
| Jul 7, 1:42 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 48 min |
| Jul 7, 3:33 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 42 min |
| Jul 7, 3:59 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 46 min |
| Jul 7, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer | 55 min |
| Jul 7, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 49 min |
| Jul 7, 5:31 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 44 min |
| Jul 7, 5:48 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 57 min |
| Jul 7, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 57 min |
| Jul 7, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 46 min |
| Jul 7, 6:57 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin | 48 min |
| Jul 7, 7:16 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming, Mifflin, Snyder, Union | 59 min |
| Jul 7, 8:20 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder | 55 min |
| Jul 7, 10:01 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 44 min |
| Jul 8, 2:17 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder | 43 min |
| Jul 8, 2:47 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Northumberland, Perry, Schuylkill, Snyder | 43 min |
| Jul 8, 3:04 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 41 min |
| Jul 8, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, York | 43 min |
| Jul 8, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 50 min |
| Jul 8, 3:28 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna | 50 min |
| Jul 8, 3:32 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 43 min |
| Jul 8, 3:42 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 48 min |
| Jul 8, 3:44 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 46 min |
| Jul 8, 3:52 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 38 min |
| Jul 8, 4:07 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 34 min |
| Jul 8, 4:15 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 45 min |
| Jul 8, 4:17 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 43 min |
| Jul 8, 4:20 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 40 min |
| Jul 8, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 35 min |
| Jul 8, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 42 min |
| Jul 8, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 51 min |
| Jul 8, 4:56 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 19 min |
| Jul 8, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 29 min |
| Jul 8, 5:34 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 41 min |
| Jul 8, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 44 min |
| Jul 8, 5:56 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 49 min |
| Jul 8, 6:08 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 34 min |
| Jul 9, 4:10 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 23 min |
| Jul 9, 5:52 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 23 min |
| Jul 9, 5:56 PM EDT | Severe Thunderstorm Warning | CTP | York | 34 min |
| Jul 9, 6:14 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 31 min |
| Jul 9, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 60 min |
| Jul 9, 7:24 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 51 min |
| Jul 11, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 19 min |
| Jul 11, 7:20 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming, Union | 25 min |
| Jul 12, 8:09 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 36 min |
| Jul 12, 10:32 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 43 min |
| Jul 13, 3:39 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 27 min |
| Jul 13, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 31 min |
| Jul 14, 2:37 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 32 min |
| Jul 14, 3:42 PM EDT | Severe Thunderstorm Warning | PHI | Lehigh, Northampton | 9 min |
| Jul 14, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 54 min |
| Jul 16, 4:27 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 34 min |
| Jul 16, 6:07 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 38 min |
| Jul 16, 6:37 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Westmoreland | 38 min |
| Jul 16, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 45 min |
| Jul 16, 7:51 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 39 min |
| Jul 16, 8:41 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 22 min |
| Jul 16, 10:44 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 46 min |
| Jul 16, 11:04 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 42 min |
| Jul 25, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 48 min |
| Jul 25, 2:06 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Juniata, Mifflin, Snyder, Union | 39 min |
| Jul 25, 2:25 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 44 min |
| Jul 25, 2:29 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 46 min |
| Jul 25, 2:36 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Schuylkill | 54 min |
| Jul 25, 2:44 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Mifflin, Northumberland, Perry, Schuylkill and 2 more | 46 min |
| Jul 25, 3:22 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Perry, Schuylkill, York | 38 min |
| Jul 25, 3:36 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 54 min |
| Jul 25, 3:47 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Westmoreland | 33 min |
| Jul 25, 4:19 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Huntingdon, Juniata, Mifflin, Perry | 41 min |
| Jul 25, 4:25 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery, Northampton | 65 min |
| Jul 25, 4:33 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 42 min |
| Jul 25, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 47 min |
| Jul 25, 5:23 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 52 min |
| Jul 25, 5:38 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Northumberland, Union | 37 min |
| Jul 25, 5:50 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 31 min |
| Jul 25, 6:35 PM EDT | Severe Thunderstorm Warning | CTP | York | 25 min |
| Jul 25, 6:46 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 27 min |
| Jul 25, 7:11 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Montour, Northumberland, Snyder, Union | 49 min |
| Jul 25, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 45 min |
| Jul 26, 11:58 AM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield, Huntingdon | 47 min |
| Jul 26, 1:00 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Huntingdon, Juniata, Mifflin, Perry | 45 min |
| Jul 26, 1:58 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Huntingdon | 47 min |
| Jul 26, 2:31 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 44 min |
| Jul 26, 3:31 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 29 min |
| Jul 26, 5:09 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 51 min |
| Jul 26, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 31 min |
| Jul 26, 5:49 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 41 min |
| Jul 26, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 27 min |
| Jul 26, 6:40 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler, Indiana, Westmoreland | 41 min |
| Jul 26, 7:38 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 52 min |
| Jul 26, 10:47 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin | 43 min |
| Jul 27, 4:32 PM EDT | Severe Thunderstorm Warning | CTP | York | 28 min |
| Jul 31, 7:13 AM EDT | Severe Thunderstorm Warning | BGM | Pike | 47 min |
| Jul 31, 11:47 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 43 min |
| Jul 31, 12:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Montgomery | 64 min |
| Jul 31, 12:46 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 44 min |
| Jul 31, 12:53 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery | 67 min |
| Jul 31, 1:49 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 41 min |
| Jul 31, 1:55 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 18 min |
| Jul 31, 2:05 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 40 min |
| Jul 31, 2:55 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 50 min |
| Aug 13, 3:32 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 43 min |
| Aug 13, 4:49 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 41 min |
| Aug 13, 6:26 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 49 min |
| Aug 16, 1:38 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Perry | 37 min |
| Aug 17, 6:19 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 41 min |
| Aug 17, 1:53 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 37 min |
| Aug 17, 2:00 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 60 min |
| Aug 17, 2:46 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 44 min |
| Aug 17, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 54 min |
| Aug 17, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 31 min |
| Aug 17, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 46 min |
| Aug 24, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 45 min |
| Aug 24, 7:17 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 43 min |
| Aug 24, 10:16 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming, Union | 44 min |
| Sep 4, 7:03 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 27 min |
| Sep 4, 7:08 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 52 min |
| Sep 4, 7:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 51 min |
| Sep 6, 3:30 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 45 min |
| Sep 6, 3:46 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 29 min |
| Sep 20, 3:07 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 14 min |
| Sep 25, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 30 min |
| Sep 25, 4:02 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Lancaster, York | 43 min |
| Oct 21, 10:18 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 27 min |
| Nov 5, 5:54 PM EST | Severe Thunderstorm Warning | CTP | Clearfield | 21 min |
| Nov 5, 8:08 PM EST | Severe Thunderstorm Warning | BGM | Bradford, Lackawanna, Luzerne, Susquehanna, Wyoming | 48 min |
| Nov 5, 8:39 PM EST | Severe Thunderstorm Warning | BGM | Lackawanna, Pike, Wayne | 45 min |
| Nov 5, 9:19 PM EST | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 26 min |
| Nov 5, 9:38 PM EST | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 18 min |
| Nov 5, 10:05 PM EST | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 40 min |
| Nov 15, 8:06 PM EST | Severe Thunderstorm Warning | PBZ | Butler, Clarion, Mercer, Venango | 35 min |
| Dec 19, 8:29 AM EST | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna, Wayne | 22 min |
| Dec 19, 9:41 AM EST | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 49 min |
| Dec 19, 1:40 PM EST | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Delaware, Lehigh, Montgomery and 2 more | 65 min |
| Dec 19, 2:41 PM EST | Severe Thunderstorm Warning | PHI | Bucks, Carbon, Lehigh, Monroe, Northampton | 64 min |
| Dec 19, 2:51 PM EST | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 54 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County53
- Washington County50
- Allegheny County45
- Beaver County40
- Butler County38
- Montgomery County38
- Chester County38
- Bucks County37
- Indiana County36
- Armstrong County34
- Berks County34
- Lancaster County33
- Centre County30
- Delaware County29
- Lehigh County29
- Fayette County28
- Greene County26
- Philadelphia County26
- Lawrence County24
- York County24
- Mercer County23
- Clarion County22
- Huntingdon County22
- Northampton County22
- Jefferson County21
- Clinton County21
- Mifflin County21
- Lycoming County21
- Franklin County21
- Juniata County21
- Clearfield County20
- Venango County18
- Cambria County17
- Perry County17
- Schuylkill County17
- Crawford County16
- Monroe County16
- Snyder County16
- Union County16
- Northumberland County16
27 more counties
- Forest County15
- Cumberland County15
- Lebanon County15
- Bedford County14
- Bradford County14
- Fulton County14
- Susquehanna County14
- Dauphin County14
- Somerset County13
- Erie County12
- Warren County12
- Blair County12
- Tioga County12
- Carbon County12
- Wayne County12
- Adams County11
- Montour County11
- Lackawanna County11
- Elk County10
- Columbia County9
- Pike County9
- McKean County8
- Luzerne County8
- Wyoming County8
- Cameron County6
- Potter County6
- Sullivan County5
The busiest days
Days with the most alerts issued, by UTC date.
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.