Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2018
Severe Thunderstorm Warnings in Pennsylvania, July 2018
60 severe thunderstorm warnings in July 2018. 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 2018. Tap one for its archive.
- Severe Thunderstorm Warnings
- 60
- Busiest day
- July 2, 201813 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 2, 2:48 PM EDT | Severe Thunderstorm Warning | CTP | Blair | 57 min |
| Jul 2, 3:35 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria | 40 min |
| Jul 2, 3:49 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 26 min |
| Jul 2, 4:05 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Huntingdon | 40 min |
| Jul 2, 4:07 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 68 min |
| Jul 2, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 36 min |
| Jul 2, 5:01 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 44 min |
| Jul 2, 5:11 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 37 min |
| Jul 2, 5:16 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence | 29 min |
| Jul 2, 5:41 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 49 min |
| Jul 2, 6:06 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 24 min |
| Jul 2, 6:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Westmoreland | 19 min |
| Jul 2, 7:17 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 43 min |
| Jul 3, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 42 min |
| Jul 3, 6:25 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Philadelphia | 50 min |
| Jul 3, 6:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 51 min |
| Jul 3, 7:22 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 21 min |
| Jul 3, 7:39 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 51 min |
| Jul 4, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 39 min |
| Jul 4, 3:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 50 min |
| Jul 4, 7:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 48 min |
| Jul 4, 9:26 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 34 min |
| Jul 5, 12:51 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 84 min |
| Jul 5, 1:55 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Mercer, Venango | 35 min |
| Jul 5, 2:00 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 30 min |
| Jul 5, 2:39 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 36 min |
| Jul 5, 2:44 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 31 min |
| Jul 5, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 41 min |
| Jul 5, 5:04 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 56 min |
| Jul 5, 5:32 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 58 min |
| Jul 5, 6:09 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 51 min |
| Jul 14, 7:53 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 52 min |
| Jul 15, 1:53 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 52 min |
| Jul 15, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 47 min |
| Jul 15, 6:17 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 43 min |
| Jul 16, 6:46 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 44 min |
| Jul 16, 8:17 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 73 min |
| Jul 16, 10:04 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 41 min |
| Jul 16, 10:23 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 52 min |
| Jul 17, 12:06 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 24 min |
| Jul 22, 6:19 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 41 min |
| Jul 22, 10:07 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna, Wayne | 53 min |
| Jul 23, 5:08 AM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 37 min |
| Jul 23, 1:23 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 52 min |
| Jul 23, 2:18 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 57 min |
| Jul 24, 10:19 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, York | 56 min |
| Jul 24, 11:02 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 58 min |
| Jul 26, 6:36 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 54 min |
| Jul 26, 8:54 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 36 min |
| Jul 26, 9:30 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 30 min |
| Jul 27, 2:31 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 29 min |
| Jul 27, 2:48 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 42 min |
| Jul 27, 3:11 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 49 min |
| Jul 27, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 51 min |
| Jul 27, 6:03 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 42 min |
| Jul 27, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 54 min |
| Jul 27, 6:40 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 50 min |
| Jul 27, 7:06 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 24 min |
| Jul 27, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 51 min |
| Jul 31, 2:34 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 41 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Butler County7
- Washington County7
- Beaver County5
- Allegheny County5
- Chester County5
- Westmoreland County4
- Greene County4
- Blair County3
- Warren County3
- Lawrence County3
- Susquehanna County3
- Delaware County3
- Philadelphia County3
- Berks County3
- Mercer County3
- Lancaster County3
- Cambria County2
- Indiana County2
- Venango County2
- Lehigh County2
- Bradford County2
- Crawford County2
- Tioga County2
- Centre County2
- Dauphin County2
- Huntingdon County1
- McKean County1
- Somerset County1
- Clarion County1
- Forest County1
- Bucks County1
- Montgomery County1
- Franklin County1
- Northampton County1
- Pike County1
- Wayne County1
- Luzerne County1
- Wyoming County1
- York County1
- Lebanon County1
3 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.