Alert archive / Pennsylvania / Severe Thunderstorm Warnings
Severe Thunderstorm Warnings in Pennsylvania, 1988
135 severe thunderstorm warnings in 1988. 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 1988. Tap one for its archive.
- Severe Thunderstorm Warnings
- 135
- Busiest month
- July54 severe thunderstorm warnings
- Busiest day
- July 17, 198818 severe thunderstorm warnings
Over time
By month
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 |
|---|---|---|---|---|
| Apr 23, 4:34 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 56 min |
| Apr 23, 5:35 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 55 min |
| Apr 23, 10:58 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 62 min |
| May 9, 6:45 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 60 min |
| May 9, 7:17 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 43 min |
| May 10, 6:16 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 59 min |
| May 10, 6:44 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 61 min |
| May 10, 7:29 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 61 min |
| May 10, 7:44 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 31 min |
| May 10, 8:19 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 41 min |
| May 10, 9:00 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 45 min |
| May 10, 9:19 PM EDT | Severe Thunderstorm Warning | PHI | Delaware | 41 min |
| May 10, 9:52 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Chester, Montgomery | 53 min |
| May 13, 6:39 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 66 min |
| May 15, 9:50 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 40 min |
| May 15, 9:54 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 81 min |
| May 15, 10:06 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie, Warren | 69 min |
| May 15, 10:08 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie, Warren | 67 min |
| May 15, 10:14 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie, Warren | 61 min |
| May 15, 10:26 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 49 min |
| May 16, 2:28 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 62 min |
| May 17, 3:48 PM EDT | Severe Thunderstorm Warning | CTP | York | 57 min |
| May 22, 5:47 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 43 min |
| May 23, 3:38 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 52 min |
| May 23, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 46 min |
| May 23, 8:45 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 75 min |
| May 23, 9:15 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 60 min |
| May 23, 9:30 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 60 min |
| May 23, 10:21 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 39 min |
| May 23, 11:30 PM EDT | Severe Thunderstorm Warning | CLE | Clearfield, Elk | 60 min |
| Jun 1, 4:29 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 61 min |
| Jun 1, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 61 min |
| Jun 1, 5:01 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 59 min |
| Jun 7, 3:08 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 52 min |
| Jun 7, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 54 min |
| Jun 7, 4:37 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 38 min |
| Jun 16, 3:45 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 45 min |
| Jun 16, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset, Westmoreland | 55 min |
| Jun 16, 5:04 PM EDT | Severe Thunderstorm Warning | CTP | Carbon | 56 min |
| Jul 10, 4:01 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 59 min |
| Jul 10, 4:20 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 70 min |
| Jul 11, 5:25 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 65 min |
| Jul 12, 5:56 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 49 min |
| Jul 16, 2:52 PM EDT | Severe Thunderstorm Warning | CLE | Erie, Warren | 68 min |
| Jul 16, 5:02 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 58 min |
| Jul 16, 5:14 PM EDT | Severe Thunderstorm Warning | CLE | Elk, Forest | 46 min |
| Jul 16, 5:14 PM EDT | Severe Thunderstorm Warning | CLE | Cameron | 46 min |
| Jul 16, 5:55 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 35 min |
| Jul 16, 6:03 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 27 min |
| Jul 16, 6:20 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 60 min |
| Jul 16, 6:25 PM EDT | Severe Thunderstorm Warning | CLE | Warren | 65 min |
| Jul 16, 6:30 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 30 min |
| Jul 16, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 27 min |
| Jul 16, 6:57 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 33 min |
| Jul 16, 7:17 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 28 min |
| Jul 16, 7:20 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 55 min |
| Jul 16, 7:30 PM EDT | Severe Thunderstorm Warning | BGM | Columbia | 45 min |
| Jul 16, 7:54 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 36 min |
| Jul 16, 8:15 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 60 min |
| Jul 16, 8:49 PM EDT | Severe Thunderstorm Warning | CTP | Carbon, Schuylkill | 56 min |
| Jul 16, 9:00 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 30 min |
| Jul 16, 9:29 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 61 min |
| Jul 16, 9:34 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 26 min |
| Jul 16, 11:30 PM EDT | Severe Thunderstorm Warning | CLE | Cameron | 30 min |
| Jul 17, 3:42 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 33 min |
| Jul 17, 3:43 PM EDT | Severe Thunderstorm Warning | CTP | Columbia | 62 min |
| Jul 17, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Schuylkill | 61 min |
| Jul 17, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Carbon | 61 min |
| Jul 17, 4:45 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Lehigh | 60 min |
| Jul 17, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Northampton | 62 min |
| Jul 17, 5:07 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery | 53 min |
| Jul 17, 5:11 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 49 min |
| Jul 17, 5:20 PM EDT | Severe Thunderstorm Warning | CTP | Northampton | 70 min |
| Jul 17, 5:57 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 48 min |
| Jul 17, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 39 min |
| Jul 17, 6:18 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 27 min |
| Jul 26, 2:26 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 64 min |
| Jul 26, 4:55 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon | 65 min |
| Jul 26, 7:15 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware | 60 min |
| Jul 26, 7:44 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 31 min |
| Jul 30, 2:57 PM EDT | Severe Thunderstorm Warning | CLE | McKean, Warren | 63 min |
| Jul 30, 3:30 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 45 min |
| Jul 30, 3:33 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 57 min |
| Jul 30, 4:15 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 60 min |
| Jul 30, 4:26 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Venango | 64 min |
| Jul 30, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion | 60 min |
| Jul 30, 5:03 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 57 min |
| Jul 30, 5:20 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 60 min |
| Jul 30, 5:55 PM EDT | Severe Thunderstorm Warning | PBZ | Clearfield | 65 min |
| Jul 30, 6:17 PM EDT | Severe Thunderstorm Warning | CLE | Cameron, McKean | 58 min |
| Jul 30, 6:26 PM EDT | Severe Thunderstorm Warning | CLE | Cameron, Elk, McKean | 64 min |
| Jul 30, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton | 52 min |
| Jul 30, 8:10 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 60 min |
| Aug 2, 4:47 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 58 min |
| Aug 2, 5:21 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 69 min |
| Aug 2, 6:01 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 59 min |
| Aug 2, 6:40 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 65 min |
| Aug 2, 7:52 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 68 min |
| Aug 5, 5:38 PM EDT | Severe Thunderstorm Warning | CLE | McKean | 34 min |
| Aug 5, 9:31 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 74 min |
| Aug 6, 3:04 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 26 min |
| Aug 6, 3:23 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin | 52 min |
| Aug 6, 4:44 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 31 min |
| Aug 6, 5:10 PM EDT | Severe Thunderstorm Warning | CTP | York | 50 min |
| Aug 6, 6:00 PM EDT | Severe Thunderstorm Warning | CTP | York | 30 min |
| Aug 11, 2:59 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 61 min |
| Aug 11, 5:00 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 60 min |
| Aug 12, 3:15 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 60 min |
| Aug 15, 3:06 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 54 min |
| Aug 15, 3:42 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset | 63 min |
| Aug 15, 4:08 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 52 min |
| Aug 15, 4:38 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 52 min |
| Aug 15, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 39 min |
| Aug 15, 5:49 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 26 min |
| Aug 15, 6:01 PM EDT | Severe Thunderstorm Warning | CTP | York | 29 min |
| Aug 17, 11:44 AM EDT | Severe Thunderstorm Warning | CTP | Tioga | 31 min |
| Aug 17, 12:09 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 36 min |
| Aug 17, 12:30 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 30 min |
| Aug 17, 12:42 PM EDT | Severe Thunderstorm Warning | BGM | Columbia, Luzerne | 63 min |
| Aug 17, 5:13 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 47 min |
| Aug 17, 6:27 PM EDT | Severe Thunderstorm Warning | PHI | Bucks, Montgomery, Philadelphia | 33 min |
| Aug 24, 8:45 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 60 min |
| Aug 24, 9:06 PM EDT | Severe Thunderstorm Warning | PHI | Philadelphia | 54 min |
| Aug 26, 6:49 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 41 min |
| Aug 27, 6:06 PM EDT | Severe Thunderstorm Warning | CLE | Forest | 69 min |
| Aug 27, 6:19 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 56 min |
| Aug 28, 4:35 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 25 min |
| Aug 28, 6:25 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 60 min |
| Nov 20, 2:28 PM EST | Severe Thunderstorm Warning | PBZ | Beaver, Butler | 62 min |
| Nov 20, 2:40 PM EST | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 65 min |
| Nov 20, 2:47 PM EST | Severe Thunderstorm Warning | CLE | Lawrence | 55 min |
| Nov 20, 2:57 PM EST | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Clarion, Indiana, Jefferson, Westmoreland | 63 min |
| Nov 20, 2:57 PM EST | Severe Thunderstorm Warning | PBZ | Washington | 63 min |
| Nov 20, 3:44 PM EST | Severe Thunderstorm Warning | PBZ | Cambria, Somerset | 61 min |
| Nov 20, 3:44 PM EST | Severe Thunderstorm Warning | PBZ | Clearfield | 61 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Erie County10
- Crawford County9
- Chester County9
- Montgomery County7
- Lancaster County6
- Warren County6
- Westmoreland County5
- Somerset County5
- Bucks County5
- York County5
- Philadelphia County5
- Lebanon County5
- Bradford County5
- Dauphin County4
- Adams County4
- Beaver County4
- Butler County4
- Berks County4
- Clarion County4
- Cameron County4
- McKean County4
- Delaware County3
- Northumberland County3
- Fulton County3
- Cumberland County3
- Washington County3
- Allegheny County3
- Clearfield County3
- Elk County3
- Fayette County3
- Carbon County3
- Lycoming County3
- Luzerne County3
- Columbia County3
- Lawrence County3
- Franklin County3
- Mercer County2
- Indiana County2
- Forest County2
- Clinton County2
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive19871989
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.