Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2003
Severe Thunderstorm Warnings in Pennsylvania, July 2003
177 severe thunderstorm warnings in July 2003. 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 2003. Tap one for its archive.
- Severe Thunderstorm Warnings
- 177
- Busiest day
- July 21, 200348 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, 12:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 58 min |
| Jul 4, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 62 min |
| Jul 4, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 63 min |
| Jul 4, 2:53 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 67 min |
| Jul 4, 3:15 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 60 min |
| Jul 4, 3:18 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Jul 4, 3:34 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 56 min |
| Jul 4, 4:11 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
| Jul 4, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 61 min |
| Jul 4, 5:21 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 54 min |
| Jul 4, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 67 min |
| Jul 4, 6:17 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 min |
| Jul 4, 6:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 63 min |
| Jul 4, 6:49 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 56 min |
| Jul 4, 7:17 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 58 min |
| Jul 4, 11:43 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 47 min |
| Jul 5, 3:21 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 39 min |
| Jul 5, 4:05 PM EDT | Severe Thunderstorm Warning | PHI | Chester | 55 min |
| Jul 5, 4:08 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 22 min |
| Jul 5, 4:27 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 33 min |
| Jul 5, 4:37 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Montgomery, Philadelphia | 38 min |
| Jul 5, 4:54 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 66 min |
| Jul 6, 3:17 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 58 min |
| Jul 6, 3:21 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 39 min |
| Jul 6, 3:37 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Jul 6, 3:52 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 53 min |
| Jul 6, 3:57 PM EDT | Severe Thunderstorm Warning | CTP | Fulton | 63 min |
| Jul 6, 5:38 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 67 min |
| Jul 6, 6:15 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 60 min |
| Jul 6, 8:38 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 67 min |
| Jul 6, 8:53 PM EDT | Severe Thunderstorm Warning | CTP | York | 52 min |
| Jul 7, 2:37 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 53 min |
| Jul 7, 5:05 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 55 min |
| Jul 7, 5:12 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 63 min |
| Jul 7, 5:36 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 54 min |
| Jul 7, 5:39 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 96 min |
| Jul 7, 5:46 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 74 min |
| Jul 7, 5:46 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 44 min |
| Jul 7, 6:22 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 68 min |
| Jul 7, 6:27 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 78 min |
| Jul 7, 6:33 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 57 min |
| Jul 7, 6:55 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 65 min |
| Jul 7, 6:58 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 62 min |
| Jul 7, 7:12 PM EDT | Severe Thunderstorm Warning | CTP | Cambria | 33 min |
| Jul 7, 7:22 PM EDT | Severe Thunderstorm Warning | CTP | Somerset | 68 min |
| Jul 7, 7:51 PM EDT | Severe Thunderstorm Warning | CTP | Bedford | 69 min |
| Jul 8, 2:58 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 47 min |
| Jul 8, 3:05 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 55 min |
| Jul 8, 3:20 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 55 min |
| Jul 8, 3:43 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 62 min |
| Jul 8, 5:06 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 54 min |
| Jul 8, 5:18 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 57 min |
| Jul 8, 6:07 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 53 min |
| Jul 8, 6:22 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 68 min |
| Jul 8, 6:31 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 74 min |
| Jul 8, 6:40 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 65 min |
| Jul 8, 6:43 AM EDT | Severe Thunderstorm Warning | PBZ | Butler, Jefferson | 62 min |
| Jul 8, 7:02 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 58 min |
| Jul 8, 7:29 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 61 min |
| Jul 8, 7:32 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 58 min |
| Jul 8, 7:40 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 65 min |
| Jul 8, 8:00 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 60 min |
| Jul 8, 8:14 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 61 min |
| Jul 8, 8:17 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 58 min |
| Jul 8, 8:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 58 min |
| Jul 8, 8:38 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 67 min |
| Jul 8, 9:11 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 49 min |
| Jul 8, 9:27 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 48 min |
| Jul 8, 10:02 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Somerset | 58 min |
| Jul 10, 5:15 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 60 min |
| Jul 10, 5:30 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 45 min |
| Jul 10, 6:02 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 58 min |
| Jul 10, 7:16 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 44 min |
| Jul 10, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Somerset | 67 min |
| Jul 10, 7:37 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 38 min |
| Jul 12, 2:48 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 57 min |
| Jul 14, 3:19 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 56 min |
| Jul 18, 1:55 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 65 min |
| Jul 18, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 57 min |
| Jul 18, 2:47 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 58 min |
| Jul 18, 2:54 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 66 min |
| Jul 18, 3:07 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 53 min |
| Jul 18, 3:25 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 80 min |
| Jul 18, 4:05 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 70 min |
| Jul 18, 4:14 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 31 min |
| Jul 18, 4:18 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Union | 57 min |
| Jul 18, 4:22 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 53 min |
| Jul 18, 4:25 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 50 min |
| Jul 18, 4:30 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 60 min |
| Jul 18, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 81 min |
| Jul 18, 5:33 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 27 min |
| Jul 18, 5:53 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Northumberland | 22 min |
| Jul 18, 6:02 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Mifflin | 28 min |
| Jul 18, 6:03 PM EDT | Severe Thunderstorm Warning | PHI | Carbon | 42 min |
| Jul 18, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 29 min |
| Jul 18, 7:01 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 59 min |
| Jul 18, 7:31 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon | 59 min |
| Jul 18, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Huntingdon | 18 min |
| Jul 18, 7:59 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 61 min |
| Jul 21, 1:21 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 54 min |
| Jul 21, 1:44 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 61 min |
| Jul 21, 1:45 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 60 min |
| Jul 21, 1:50 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 70 min |
| Jul 21, 1:59 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 76 min |
| Jul 21, 2:02 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 43 min |
| Jul 21, 2:07 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 53 min |
| Jul 21, 2:09 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 51 min |
| Jul 21, 2:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 62 min |
| Jul 21, 2:14 PM EDT | Severe Thunderstorm Warning | PBZ | Forest | 76 min |
| Jul 21, 2:17 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 73 min |
| Jul 21, 2:29 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 61 min |
| Jul 21, 2:41 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 79 min |
| Jul 21, 3:10 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 65 min |
| Jul 21, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 57 min |
| Jul 21, 3:24 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 81 min |
| Jul 21, 3:46 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon | 59 min |
| Jul 21, 3:55 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 65 min |
| Jul 21, 3:58 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 62 min |
| Jul 21, 4:00 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 45 min |
| Jul 21, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 41 min |
| Jul 21, 4:12 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 93 min |
| Jul 21, 4:21 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder, Union | 84 min |
| Jul 21, 4:44 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 61 min |
| Jul 21, 4:46 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 59 min |
| Jul 21, 4:51 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 39 min |
| Jul 21, 4:59 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland | 61 min |
| Jul 21, 5:05 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Sullivan | 70 min |
| Jul 21, 5:11 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 49 min |
| Jul 21, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 42 min |
| Jul 21, 5:33 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 57 min |
| Jul 21, 5:39 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne, Wyoming | 36 min |
| Jul 21, 5:47 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Schuylkill | 73 min |
| Jul 21, 6:04 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Susquehanna | 41 min |
| Jul 21, 6:11 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 49 min |
| Jul 21, 6:22 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 53 min |
| Jul 21, 6:24 PM EDT | Severe Thunderstorm Warning | PHI | Carbon, Monroe | 51 min |
| Jul 21, 6:33 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 27 min |
| Jul 21, 6:43 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 62 min |
| Jul 21, 6:44 PM EDT | Severe Thunderstorm Warning | BGM | Pike | 61 min |
| Jul 21, 7:03 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 57 min |
| Jul 21, 7:07 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 53 min |
| Jul 21, 7:12 PM EDT | Severe Thunderstorm Warning | PHI | Monroe | 48 min |
| Jul 21, 7:26 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 64 min |
| Jul 21, 7:32 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 43 min |
| Jul 21, 7:35 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 55 min |
| Jul 21, 7:45 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 30 min |
| Jul 21, 7:54 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh, Northampton | 81 min |
| Jul 21, 8:28 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 62 min |
| Jul 21, 8:28 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 62 min |
| Jul 21, 8:36 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 84 min |
| Jul 21, 8:54 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 81 min |
| Jul 21, 9:06 PM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 39 min |
| Jul 21, 9:22 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 53 min |
| Jul 21, 10:42 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 63 min |
| Jul 21, 11:19 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 26 min |
| Jul 21, 11:52 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 53 min |
| Jul 22, 1:33 AM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 42 min |
| Jul 22, 2:30 AM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 45 min |
| Jul 22, 1:35 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 55 min |
| Jul 22, 2:12 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 63 min |
| Jul 22, 2:27 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 48 min |
| Jul 22, 2:33 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 57 min |
| Jul 22, 3:23 PM EDT | Severe Thunderstorm Warning | CTP | Perry | 52 min |
| Jul 22, 3:26 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 49 min |
| Jul 22, 3:33 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 57 min |
| Jul 22, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Clearfield | 66 min |
| Jul 22, 4:43 PM EDT | Severe Thunderstorm Warning | CTP | Cameron | 17 min |
| Jul 22, 5:06 PM EDT | Severe Thunderstorm Warning | CTP | Potter | 69 min |
| Jul 22, 5:59 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 91 min |
| Jul 22, 6:32 PM EDT | Severe Thunderstorm Warning | CTP | York | 58 min |
| Jul 22, 6:43 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin | 47 min |
| Jul 22, 7:09 PM EDT | Severe Thunderstorm Warning | PHI | Berks | 36 min |
| Jul 23, 5:09 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 66 min |
| Jul 23, 7:43 PM EDT | Severe Thunderstorm Warning | CTP | York | 47 min |
| Jul 24, 5:18 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 57 min |
| Jul 27, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 43 min |
| Jul 27, 5:32 PM EDT | Severe Thunderstorm Warning | CTP | Montour, Northumberland, Union | 43 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Beaver County11
- Butler County10
- Allegheny County8
- Washington County8
- Westmoreland County8
- Fayette County7
- Clearfield County7
- Mercer County6
- Lawrence County6
- York County6
- Greene County5
- Somerset County5
- Susquehanna County5
- Lancaster County4
- Montgomery County4
- Armstrong County4
- Huntingdon County4
- Adams County4
- Cambria County4
- Dauphin County4
- Berks County4
- Bucks County3
- Schuylkill County3
- Jefferson County3
- Lycoming County3
- Union County3
- Centre County3
- Northumberland County3
- Perry County3
- Venango County3
- Potter County3
- Bradford County3
- Luzerne County3
- McKean County2
- Warren County2
- Chester County2
- Philadelphia County2
- Indiana County2
- Bedford County2
- Columbia County2
26 more counties
- Juniata County2
- Mifflin County2
- Carbon County2
- Clarion County2
- Forest County2
- Cameron County2
- Montour County2
- Wyoming County2
- Monroe County2
- Pike County2
- Lehigh County2
- Northampton County2
- Cumberland County2
- Delaware County1
- Fulton County1
- Blair County1
- Lebanon County1
- Crawford County1
- Elk County1
- Clinton County1
- Tioga County1
- Snyder County1
- Sullivan County1
- Lackawanna County1
- Wayne County1
- Franklin County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.