Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2015
Severe Thunderstorm Warnings in Pennsylvania, July 2015
69 severe thunderstorm warnings in July 2015. 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 2015. Tap one for its archive.
- Severe Thunderstorm Warnings
- 69
- Busiest day
- July 9, 201523 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 |
|---|---|---|---|---|
| Jun 30, 8:14 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Montour, Northumberland | 61 min |
| Jun 30, 8:15 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Delaware, Montgomery, Philadelphia | 28 min |
| Jun 30, 9:00 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Northumberland, Snyder, Union | 60 min |
| Jun 30, 9:04 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Union | 86 min |
| Jun 30, 9:45 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 60 min |
| Jun 30, 10:36 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne, Wyoming | 54 min |
| Jun 30, 11:08 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 52 min |
| Jul 1, 1:42 AM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Jul 1, 2:17 AM EDT | Severe Thunderstorm Warning | PHI | Delaware | 43 min |
| Jul 7, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 37 min |
| Jul 7, 4:36 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 39 min |
| Jul 7, 5:15 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 45 min |
| Jul 7, 5:41 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 34 min |
| Jul 7, 6:15 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 45 min |
| Jul 7, 6:50 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 55 min |
| Jul 7, 6:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Greene, Washington | 31 min |
| Jul 7, 7:05 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Lawrence | 25 min |
| Jul 7, 7:27 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 33 min |
| Jul 7, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler | 32 min |
| Jul 7, 8:04 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Fayette, Indiana, Westmoreland | 26 min |
| Jul 7, 8:47 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield | 43 min |
| Jul 7, 8:58 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Forest, Jefferson | 47 min |
| Jul 7, 9:02 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 28 min |
| Jul 7, 9:19 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk | 56 min |
| Jul 7, 9:26 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Centre | 49 min |
| Jul 9, 1:12 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 33 min |
| Jul 9, 1:44 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington, Westmoreland | 46 min |
| Jul 9, 2:05 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 70 min |
| Jul 9, 2:05 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer, Venango | 40 min |
| Jul 9, 2:21 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 54 min |
| Jul 9, 2:28 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 32 min |
| Jul 9, 2:30 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 45 min |
| Jul 9, 2:43 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion, Venango | 47 min |
| Jul 9, 3:12 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Tioga | 63 min |
| Jul 9, 3:29 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 46 min |
| Jul 9, 4:50 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 55 min |
| Jul 9, 5:07 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, York | 98 min |
| Jul 9, 5:20 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Sullivan, Union | 29 min |
| Jul 9, 5:34 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon, York | 86 min |
| Jul 9, 6:01 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Schuylkill | 74 min |
| Jul 9, 6:15 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Chester, Montgomery | 45 min |
| Jul 9, 6:35 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 40 min |
| Jul 9, 6:50 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 40 min |
| Jul 9, 6:57 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Chester, Lehigh, Montgomery | 48 min |
| Jul 9, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Northampton | 48 min |
| Jul 9, 7:29 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 46 min |
| Jul 9, 7:39 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Delaware, Montgomery, Philadelphia | 66 min |
| Jul 9, 7:55 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 40 min |
| Jul 14, 3:32 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer, Venango | 43 min |
| Jul 14, 3:37 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 68 min |
| Jul 14, 4:35 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton | 55 min |
| Jul 14, 4:48 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Centre, Huntingdon | 72 min |
| Jul 14, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 65 min |
| Jul 14, 5:30 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Potter, Tioga | 90 min |
| Jul 15, 3:39 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Montgomery, Philadelphia | 66 min |
| Jul 18, 7:21 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 39 min |
| Jul 18, 8:47 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 43 min |
| Jul 19, 5:50 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 40 min |
| Jul 19, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 60 min |
| Jul 19, 6:38 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 47 min |
| Jul 19, 7:02 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 28 min |
| Jul 19, 7:35 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 30 min |
| Jul 19, 7:53 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson, Venango | 27 min |
| Jul 19, 8:02 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Elk, McKean | 41 min |
| Jul 19, 8:09 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Potter | 34 min |
| Jul 19, 8:30 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Clinton, Elk, Potter | 60 min |
| Jul 19, 9:00 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 60 min |
| Jul 26, 4:33 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Mercer, Venango | 27 min |
| Jul 27, 12:02 AM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, York | 73 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chester County8
- Elk County7
- McKean County7
- Delaware County6
- Venango County6
- Northumberland County5
- Montgomery County5
- Clarion County5
- Warren County5
- Washington County5
- Butler County5
- Armstrong County5
- Fayette County5
- Cameron County5
- Columbia County4
- Bucks County4
- Philadelphia County4
- Lycoming County4
- York County4
- Forest County4
- Potter County4
- Greene County4
- Allegheny County4
- Cambria County4
- Clearfield County4
- Centre County4
- Berks County4
- Montour County3
- Union County3
- Adams County3
- Beaver County3
- Westmoreland County3
- Jefferson County3
- Mercer County3
- Lehigh County3
- Clinton County3
- Snyder County2
- Sullivan County2
- Lawrence County2
- Indiana County2
19 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.