Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 1990
Severe Thunderstorm Warnings in Pennsylvania, August 1990
44 severe thunderstorm warnings in August 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 August 1990. Tap one for its archive.
- Severe Thunderstorm Warnings
- 44
- Busiest day
- August 29, 199018 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 |
|---|---|---|---|---|
| Aug 13, 3:13 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 47 min |
| Aug 13, 3:25 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 35 min |
| Aug 13, 3:47 PM EDT | Severe Thunderstorm Warning | CTP | Sullivan | 43 min |
| Aug 13, 5:35 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 55 min |
| Aug 13, 6:54 PM EDT | Severe Thunderstorm Warning | CTP | Berks | 66 min |
| Aug 13, 6:54 PM EDT | Severe Thunderstorm Warning | CTP | Carbon | 66 min |
| Aug 13, 7:21 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster | 39 min |
| Aug 13, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Berks, Lehigh | 52 min |
| Aug 13, 7:23 PM EDT | Severe Thunderstorm Warning | CTP | Carbon, Northampton | 52 min |
| Aug 13, 7:29 PM EDT | Severe Thunderstorm Warning | PHI | Chester, Montgomery | 61 min |
| Aug 13, 7:57 PM EDT | Severe Thunderstorm Warning | CTP | Lehigh, Northampton | 48 min |
| Aug 13, 8:05 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 40 min |
| Aug 13, 8:24 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 51 min |
| Aug 19, 5:59 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 61 min |
| Aug 19, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 66 min |
| Aug 19, 6:54 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 3 hr |
| Aug 19, 7:40 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria | 80 min |
| Aug 27, 6:00 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 45 min |
| Aug 27, 6:34 PM EDT | Severe Thunderstorm Warning | PHI | Montgomery, Philadelphia | 116 min |
| Aug 28, 2:46 AM EDT | Severe Thunderstorm Warning | PBZ | Clearfield, Jefferson | 59 min |
| Aug 28, 3:40 AM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Indiana | 65 min |
| Aug 28, 3:44 AM EDT | Severe Thunderstorm Warning | CTP | Tioga | 46 min |
| Aug 28, 3:44 AM EDT | Severe Thunderstorm Warning | CTP | Clinton | 46 min |
| Aug 28, 3:56 AM EDT | Severe Thunderstorm Warning | CTP | Lycoming | 64 min |
| Aug 28, 7:44 PM EDT | Severe Thunderstorm Warning | CLE | Forest, Venango, Warren | 61 min |
| Aug 28, 7:54 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 66 min |
| Aug 28, 8:16 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Jefferson | 59 min |
| Aug 28, 8:20 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Erie, Venango, Warren | 70 min |
| Aug 28, 8:20 PM EDT | Severe Thunderstorm Warning | CLE | Cameron, Elk, Forest, McKean, Potter | 70 min |
| Aug 28, 8:25 PM EDT | Severe Thunderstorm Warning | CTP | Tioga | 50 min |
| Aug 28, 9:03 PM EDT | Severe Thunderstorm Warning | CTP | Clinton, Lycoming | 60 min |
| Aug 28, 9:31 PM EDT | Severe Thunderstorm Warning | CLE | Crawford, Venango | 59 min |
| Aug 28, 9:33 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 57 min |
| Aug 28, 10:05 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Union | 55 min |
| Aug 28, 10:19 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 56 min |
| Aug 28, 10:26 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 34 min |
| Aug 28, 10:32 PM EDT | Severe Thunderstorm Warning | BGM | Lackawanna, Luzerne | 58 min |
| Aug 28, 10:38 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 67 min |
| Aug 28, 11:12 PM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Somerset, Westmoreland | 63 min |
| Aug 28, 11:12 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 63 min |
| Aug 28, 11:17 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 43 min |
| Aug 28, 11:47 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford | 58 min |
| Aug 29, 12:08 AM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset, Westmoreland | 67 min |
| Aug 29, 6:17 PM EDT | Severe Thunderstorm Warning | CTP | York | 43 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lycoming County3
- Cambria County3
- Venango County3
- Crawford County3
- Berks County2
- Carbon County2
- Lehigh County2
- Northampton County2
- Montgomery County2
- Philadelphia County2
- Bucks County2
- Allegheny County2
- Jefferson County2
- Indiana County2
- Tioga County2
- Clinton County2
- Forest County2
- Warren County2
- Mercer County2
- Butler County2
- Somerset County2
- Westmoreland County2
- Bradford County1
- Sullivan County1
- Wayne County1
- Lancaster County1
- Chester County1
- Delaware County1
- Greene County1
- Beaver County1
- Clearfield County1
- Clarion County1
- Erie County1
- Cameron County1
- Elk County1
- McKean County1
- Potter County1
- Centre County1
- Union County1
- Armstrong 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.