Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2013
Severe Thunderstorm Warnings in Pennsylvania, July 2013
106 severe thunderstorm warnings in July 2013. 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 July 2013. Tap one for its archive.
- Severe Thunderstorm Warnings
- 106
- Busiest day
- July 10, 201337 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 |
|---|---|---|---|---|
| Jul 4, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 46 min |
| Jul 4, 4:47 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 43 min |
| Jul 4, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 23 min |
| Jul 4, 5:51 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana | 39 min |
| Jul 4, 5:55 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 50 min |
| Jul 4, 8:31 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 29 min |
| Jul 5, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Potter | 41 min |
| Jul 6, 9:50 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 25 min |
| Jul 7, 12:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 63 min |
| Jul 7, 12:58 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 62 min |
| Jul 7, 1:40 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 65 min |
| Jul 7, 2:30 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Clearfield | 45 min |
| Jul 7, 2:40 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Fulton, Huntingdon | 50 min |
| Jul 7, 3:12 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Clearfield, Clinton, Huntingdon | 63 min |
| Jul 7, 3:17 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton, Huntingdon | 58 min |
| Jul 7, 3:20 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Huntingdon, Juniata, Mifflin, Perry | 55 min |
| Jul 7, 4:06 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Dauphin, Juniata, Mifflin, Northumberland, Perry and 2 more | 54 min |
| Jul 7, 4:20 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming, Union | 55 min |
| Jul 7, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lycoming, Montour, Northumberland, Schuylkill and 2 more | 60 min |
| Jul 7, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 65 min |
| Jul 7, 5:15 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Luzerne, Susquehanna, Wyoming | 60 min |
| Jul 7, 5:32 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, York | 73 min |
| Jul 7, 5:36 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 54 min |
| Jul 7, 6:12 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 48 min |
| Jul 7, 6:29 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 61 min |
| Jul 7, 7:27 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 48 min |
| Jul 10, 9:05 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 40 min |
| Jul 10, 10:57 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 48 min |
| Jul 10, 11:12 AM EDT | Severe Thunderstorm Warning | CTP | Somerset | 63 min |
| Jul 10, 2:51 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 24 min |
| Jul 10, 3:10 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 50 min |
| Jul 10, 3:29 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 46 min |
| Jul 10, 3:37 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 38 min |
| Jul 10, 3:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 76 min |
| Jul 10, 3:49 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 41 min |
| Jul 10, 4:03 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 42 min |
| Jul 10, 4:11 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 64 min |
| Jul 10, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 49 min |
| Jul 10, 4:13 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 47 min |
| Jul 10, 4:16 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 74 min |
| Jul 10, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 40 min |
| Jul 10, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 40 min |
| Jul 10, 5:00 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Jul 10, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 58 min |
| Jul 10, 5:16 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 44 min |
| Jul 10, 5:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Lawrence, Washington | 38 min |
| Jul 10, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 45 min |
| Jul 10, 5:34 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 26 min |
| Jul 10, 5:42 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk | 48 min |
| Jul 10, 5:48 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 42 min |
| Jul 10, 5:52 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 38 min |
| Jul 10, 5:58 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Fayette, Lawrence and 2 more | 47 min |
| Jul 10, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk | 60 min |
| Jul 10, 6:26 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 49 min |
| Jul 10, 6:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Greene, Washington, Westmoreland | 47 min |
| Jul 10, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 2 more | 57 min |
| Jul 10, 6:47 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 43 min |
| Jul 10, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Indiana, Westmoreland | 49 min |
| Jul 10, 7:03 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 57 min |
| Jul 10, 7:17 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 28 min |
| Jul 10, 7:26 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre, Clearfield, Clinton, Huntingdon and 1 more | 64 min |
| Jul 10, 7:28 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 47 min |
| Jul 10, 7:54 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Huntingdon, Somerset | 66 min |
| Jul 16, 4:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Westmoreland | 66 min |
| Jul 17, 2:56 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 49 min |
| Jul 17, 2:57 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Jefferson | 33 min |
| Jul 17, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 51 min |
| Jul 17, 4:53 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 52 min |
| Jul 18, 4:48 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Jefferson | 12 min |
| Jul 18, 5:11 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clinton, Lycoming | 64 min |
| Jul 18, 5:46 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 29 min |
| Jul 18, 6:58 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 32 min |
| Jul 19, 4:28 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 62 min |
| Jul 19, 5:11 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 64 min |
| Jul 19, 5:44 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, York | 91 min |
| Jul 19, 5:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 35 min |
| Jul 19, 6:01 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 29 min |
| Jul 19, 6:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 31 min |
| Jul 19, 6:59 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Franklin, York | 76 min |
| Jul 19, 8:33 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 42 min |
| Jul 19, 9:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Northampton | 38 min |
| Jul 20, 2:06 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour | 54 min |
| Jul 20, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 62 min |
| Jul 20, 7:16 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Northampton | 59 min |
| Jul 20, 8:49 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 56 min |
| Jul 20, 9:59 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 61 min |
| Jul 23, 4:11 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 64 min |
| Jul 23, 4:38 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 52 min |
| Jul 23, 4:38 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 67 min |
| Jul 23, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 46 min |
| Jul 23, 5:29 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 46 min |
| Jul 23, 5:39 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield, Elk, McKean, Warren | 66 min |
| Jul 23, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 35 min |
| Jul 23, 6:19 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 41 min |
| Jul 23, 6:22 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 38 min |
| Jul 23, 6:28 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clearfield, Clinton, Elk, McKean | 62 min |
| Jul 23, 6:55 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 65 min |
| Jul 23, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 49 min |
| Jul 23, 8:21 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 54 min |
| Jul 27, 5:01 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 59 min |
| Jul 27, 5:35 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 55 min |
| Jul 28, 10:25 AM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 35 min |
| Jul 28, 10:30 AM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna, Wyoming | 60 min |
| Jul 28, 11:29 AM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 61 min |
| Jul 28, 11:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 51 min |
| Jul 29, 1:18 AM EDT | Severe Thunderstorm Warning | PHI | Delaware | 42 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Fayette County14
- Westmoreland County13
- Butler County11
- Allegheny County10
- Clarion County9
- Beaver County9
- Washington County9
- Armstrong County8
- Jefferson County8
- Blair County8
- Centre County7
- Clinton County7
- Clearfield County7
- Huntingdon County7
- Somerset County6
- Indiana County6
- Cambria County6
- Dauphin County6
- Greene County6
- Bedford County5
- Venango County5
- Lawrence County5
- Elk County5
- Franklin County4
- Lycoming County4
- Mercer County4
- Crawford County4
- Warren County4
- Forest County4
- Cameron County4
- Potter County3
- Perry County3
- Union County3
- Schuylkill County3
- Sullivan County3
- Lebanon County3
- Susquehanna County3
- York County3
- Chester County3
- Delaware County3
24 more counties
- Erie County3
- McKean County3
- Fulton County2
- Juniata County2
- Mifflin County2
- Northumberland County2
- Columbia County2
- Montour County2
- Bradford County2
- Wyoming County2
- Cumberland County2
- Adams County2
- Berks County2
- Bucks County2
- Northampton County2
- Philadelphia County2
- Tioga County2
- Snyder County1
- Luzerne County1
- Lancaster County1
- Carbon County1
- Monroe County1
- Lehigh County1
- Montgomery County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.