Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 1990
Severe Thunderstorm Warnings in Pennsylvania, September 1990
44 severe thunderstorm warnings in September 1990. 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 September 1990. Tap one for its archive.
- Severe Thunderstorm Warnings
- 44
- Busiest day
- September 6, 199014 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 |
|---|---|---|---|---|
| Sep 2, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 75 min |
| Sep 2, 4:45 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset, Westmoreland | 75 min |
| Sep 2, 4:50 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 55 min |
| Sep 2, 6:12 PM EDT | Severe Thunderstorm Warning | BGM | Luzerne | 43 min |
| Sep 2, 6:47 PM EDT | Severe Thunderstorm Warning | CTP | Carbon, Schuylkill | 28 min |
| Sep 5, 8:24 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 36 min |
| Sep 5, 8:33 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 42 min |
| Sep 6, 3:19 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 56 min |
| Sep 6, 4:10 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 65 min |
| Sep 6, 4:18 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 57 min |
| Sep 6, 4:35 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 55 min |
| Sep 6, 4:35 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Clarion | 85 min |
| Sep 6, 4:50 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 100 min |
| Sep 6, 4:52 PM EDT | Severe Thunderstorm Warning | CLE | Venango | 68 min |
| Sep 6, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 77 min |
| Sep 6, 5:13 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 77 min |
| Sep 6, 5:52 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Clearfield, Indiana | 98 min |
| Sep 6, 5:52 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 98 min |
| Sep 6, 5:52 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 98 min |
| Sep 6, 6:56 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Blair | 64 min |
| Sep 6, 7:46 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 59 min |
| Sep 6, 8:44 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 61 min |
| Sep 6, 9:18 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 87 min |
| Sep 6, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 78 min |
| Sep 6, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 78 min |
| Sep 6, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 78 min |
| Sep 6, 9:42 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Butler | 78 min |
| Sep 6, 11:00 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Fayette, Washington, Westmoreland | 60 min |
| Sep 9, 7:06 PM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 69 min |
| Sep 14, 6:11 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie | 94 min |
| Sep 14, 6:55 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 65 min |
| Sep 14, 7:14 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 91 min |
| Sep 14, 7:18 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 57 min |
| Sep 14, 7:18 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 57 min |
| Sep 14, 7:36 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 69 min |
| Sep 14, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Washington, Westmoreland | 62 min |
| Sep 14, 7:58 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler, Clarion | 62 min |
| Sep 14, 8:50 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Indiana, Jefferson, Westmoreland | 55 min |
| Sep 14, 8:50 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion | 55 min |
| Sep 14, 9:26 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette | 64 min |
| Sep 14, 9:53 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Somerset | 67 min |
| Sep 14, 9:53 PM EDT | Severe Thunderstorm Warning | PBZ | Clearfield | 67 min |
| Sep 14, 10:54 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 51 min |
| Sep 14, 11:16 PM EDT | Severe Thunderstorm Warning | CTP | Mifflin | 44 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Westmoreland County7
- Clarion County5
- Washington County5
- Beaver County4
- Crawford County4
- Erie County4
- Butler County4
- Armstrong County4
- Allegheny County4
- Greene County3
- Lawrence County3
- Indiana County3
- Jefferson County3
- Fayette County3
- Somerset County2
- Luzerne County2
- Mercer County2
- Cambria County2
- Clearfield County2
- Lackawanna County1
- Carbon County1
- Schuylkill County1
- Venango County1
- Bedford County1
- Blair County1
- Centre County1
- Mifflin County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive19891991
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.