Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2019
Severe Thunderstorm Warnings in Pennsylvania, August 2019
151 severe thunderstorm warnings in August 2019. 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 2019. Tap one for its archive.
- Severe Thunderstorm Warnings
- 151
- Busiest day
- August 18, 201935 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 1, 2:32 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 43 min |
| Aug 1, 3:13 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Aug 1, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 66 min |
| Aug 1, 4:09 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 36 min |
| Aug 2, 10:37 AM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 38 min |
| Aug 2, 11:17 AM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 58 min |
| Aug 2, 1:27 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 33 min |
| Aug 2, 2:45 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 30 min |
| Aug 2, 3:21 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 39 min |
| Aug 2, 3:28 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 32 min |
| Aug 2, 3:46 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 29 min |
| Aug 2, 4:31 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 44 min |
| Aug 2, 5:01 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland, Schuylkill | 59 min |
| Aug 2, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 47 min |
| Aug 2, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 27 min |
| Aug 5, 3:44 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 25 min |
| Aug 6, 12:36 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 39 min |
| Aug 6, 2:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 61 min |
| Aug 6, 3:37 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 68 min |
| Aug 6, 4:04 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence, Mercer | 41 min |
| Aug 6, 7:32 PM EDT | Severe Thunderstorm Warning | PHI | Northampton | 43 min |
| Aug 7, 1:22 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 38 min |
| Aug 7, 1:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Aug 7, 1:39 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 36 min |
| Aug 7, 1:46 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 44 min |
| Aug 7, 3:18 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 42 min |
| Aug 7, 3:24 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Lehigh, Monroe, Northampton | 51 min |
| Aug 7, 3:54 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 51 min |
| Aug 7, 4:09 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 66 min |
| Aug 7, 4:14 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Monroe, Northampton | 46 min |
| Aug 7, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 63 min |
| Aug 7, 5:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 59 min |
| Aug 7, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 78 min |
| Aug 8, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 43 min |
| Aug 8, 2:12 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 63 min |
| Aug 8, 2:34 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 41 min |
| Aug 8, 2:56 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 49 min |
| Aug 8, 3:42 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wayne | 63 min |
| Aug 8, 4:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 44 min |
| Aug 8, 4:26 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Pike, Susquehanna, Wayne, Wyoming | 49 min |
| Aug 8, 4:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 51 min |
| Aug 8, 5:11 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Pike, Wayne, Wyoming | 64 min |
| Aug 8, 5:31 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 44 min |
| Aug 8, 5:41 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 49 min |
| Aug 8, 5:46 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 26 min |
| Aug 15, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 43 min |
| Aug 15, 2:27 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Westmoreland | 48 min |
| Aug 15, 2:36 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 27 min |
| Aug 15, 2:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 48 min |
| Aug 15, 2:58 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 47 min |
| Aug 15, 2:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 46 min |
| Aug 15, 3:00 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 60 min |
| Aug 15, 3:37 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 16 min |
| Aug 15, 3:38 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Indiana, Westmoreland | 31 min |
| Aug 15, 3:42 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 48 min |
| Aug 15, 3:43 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 47 min |
| Aug 15, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 58 min |
| Aug 15, 3:56 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 94 min |
| Aug 15, 4:03 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 57 min |
| Aug 15, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 27 min |
| Aug 15, 4:22 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 53 min |
| Aug 15, 4:37 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 23 min |
| Aug 15, 5:00 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer | 32 min |
| Aug 15, 5:02 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 27 min |
| Aug 15, 5:08 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 67 min |
| Aug 15, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 56 min |
| Aug 15, 5:22 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 53 min |
| Aug 15, 5:28 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 62 min |
| Aug 15, 5:53 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 67 min |
| Aug 15, 6:16 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Mifflin | 59 min |
| Aug 15, 6:18 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 27 min |
| Aug 15, 6:51 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 54 min |
| Aug 15, 6:55 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon, Juniata, Mifflin, Perry, Snyder | 65 min |
| Aug 15, 7:18 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 72 min |
| Aug 15, 7:22 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 52 min |
| Aug 15, 7:27 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 63 min |
| Aug 15, 7:33 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 57 min |
| Aug 15, 7:38 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 67 min |
| Aug 15, 7:59 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Huntingdon, Juniata, Perry | 61 min |
| Aug 15, 8:04 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 56 min |
| Aug 15, 8:07 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 53 min |
| Aug 15, 9:01 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 59 min |
| Aug 15, 9:13 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 32 min |
| Aug 15, 9:13 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin | 62 min |
| Aug 15, 9:22 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 53 min |
| Aug 15, 9:39 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 51 min |
| Aug 15, 10:03 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Dauphin, York | 57 min |
| Aug 15, 10:19 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 37 min |
| Aug 16, 3:48 PM EDT | Severe Thunderstorm Warning | BGM | Pike, Wayne | 57 min |
| Aug 17, 2:47 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 43 min |
| Aug 17, 3:04 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 56 min |
| Aug 17, 3:27 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 48 min |
| Aug 17, 3:31 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 44 min |
| Aug 17, 3:59 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 61 min |
| Aug 17, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 22 min |
| Aug 17, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 49 min |
| Aug 17, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 47 min |
| Aug 17, 4:41 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Wayne | 49 min |
| Aug 17, 4:57 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 48 min |
| Aug 17, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 44 min |
| Aug 17, 5:37 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 27 min |
| Aug 17, 5:46 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 74 min |
| Aug 17, 6:02 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 43 min |
| Aug 17, 6:33 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 42 min |
| Aug 17, 7:15 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Westmoreland | 30 min |
| Aug 17, 7:51 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 39 min |
| Aug 18, 7:27 AM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 63 min |
| Aug 18, 12:35 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 27 min |
| Aug 18, 12:44 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 76 min |
| Aug 18, 1:36 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Potter | 54 min |
| Aug 18, 2:02 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton | 58 min |
| Aug 18, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 43 min |
| Aug 18, 2:09 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 81 min |
| Aug 18, 2:13 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 47 min |
| Aug 18, 2:17 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 43 min |
| Aug 18, 2:21 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 39 min |
| Aug 18, 2:26 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 49 min |
| Aug 18, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Potter | 62 min |
| Aug 18, 2:45 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Lycoming | 60 min |
| Aug 18, 2:48 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 28 min |
| Aug 18, 2:50 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 28 min |
| Aug 18, 3:00 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 45 min |
| Aug 18, 3:16 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 44 min |
| Aug 18, 3:34 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 56 min |
| Aug 18, 3:35 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 13 min |
| Aug 18, 3:38 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington, Westmoreland | 18 min |
| Aug 18, 4:34 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 41 min |
| Aug 18, 4:34 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Montgomery | 41 min |
| Aug 18, 4:47 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 43 min |
| Aug 18, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 24 min |
| Aug 18, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 50 min |
| Aug 18, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 45 min |
| Aug 18, 5:34 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 40 min |
| Aug 18, 5:36 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 39 min |
| Aug 18, 5:38 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 52 min |
| Aug 18, 5:38 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Lehigh, Northampton | 52 min |
| Aug 18, 6:01 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 44 min |
| Aug 18, 6:11 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 34 min |
| Aug 18, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Elk | 44 min |
| Aug 18, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 54 min |
| Aug 18, 7:53 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 55 min |
| Aug 19, 1:39 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 36 min |
| Aug 19, 3:56 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 37 min |
| Aug 20, 5:33 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 26 min |
| Aug 20, 6:32 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, York | 43 min |
| Aug 20, 10:18 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 42 min |
| Aug 21, 3:08 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 34 min |
| Aug 21, 4:07 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 38 min |
| Aug 22, 4:27 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Huntingdon | 63 min |
| Aug 22, 6:01 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe, Northampton | 44 min |
| Aug 22, 6:43 PM EDT | Severe Thunderstorm Warning | PHI | Monroe, Northampton | 47 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County13
- Fayette County11
- Washington County11
- Allegheny County10
- Bucks County10
- Mercer County9
- Northampton County9
- Bradford County9
- Indiana County8
- Jefferson County8
- Clinton County7
- Luzerne County7
- Montgomery County7
- Monroe County7
- Susquehanna County7
- Armstrong County7
- Huntingdon County7
- Potter County7
- Clarion County7
- Clearfield County6
- Erie County6
- Centre County6
- Wayne County6
- Venango County6
- Philadelphia County5
- Crawford County5
- McKean County5
- Lancaster County4
- Chester County4
- Lycoming County4
- Carbon County4
- Tioga County4
- Mifflin County4
- Forest County4
- Cameron County4
- Greene County3
- Lawrence County3
- Berks County3
- Delaware County3
- Lackawanna County3
25 more counties
- Pike County3
- Wyoming County3
- Cambria County3
- Blair County3
- Juniata County3
- Perry County3
- Cumberland County3
- Elk County3
- Lebanon County2
- Lehigh County2
- Beaver County2
- Bedford County2
- Butler County2
- Franklin County2
- Dauphin County2
- York County2
- Columbia County1
- Montour County1
- Northumberland County1
- Schuylkill County1
- Fulton County1
- Snyder County1
- Sullivan County1
- Adams County1
- Warren County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20182020
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.