Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 1990
Severe Thunderstorm Warnings in Pennsylvania, June 1990
73 severe thunderstorm warnings in June 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 June 1990. Tap one for its archive.
- Severe Thunderstorm Warnings
- 73
- Busiest day
- June 30, 199019 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 3, 8:44 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 61 min |
| Jun 3, 10:48 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 72 min |
| Jun 3, 10:59 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong | 61 min |
| Jun 6, 8:22 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 68 min |
| Jun 8, 7:14 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 61 min |
| Jun 8, 7:25 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 65 min |
| Jun 8, 7:49 AM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 56 min |
| Jun 8, 9:05 AM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Somerset | 55 min |
| Jun 8, 3:40 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset | 65 min |
| Jun 8, 4:13 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland | 62 min |
| Jun 8, 4:58 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 47 min |
| Jun 8, 5:27 PM EDT | Severe Thunderstorm Warning | CTP | Adams, York | 48 min |
| Jun 8, 11:21 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Butler | 2 hr |
| Jun 9, 12:10 AM EDT | Severe Thunderstorm Warning | PBZ | Clearfield, Indiana | 80 min |
| Jun 9, 12:50 AM EDT | Severe Thunderstorm Warning | PHI | Chester, Delaware, Philadelphia | 3 hr |
| Jun 9, 2:33 AM EDT | Severe Thunderstorm Warning | PHI | Montgomery | 57 min |
| Jun 9, 6:00 AM EDT | Severe Thunderstorm Warning | PBZ | Washington | 60 min |
| Jun 9, 6:15 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler | 60 min |
| Jun 9, 6:26 AM EDT | Severe Thunderstorm Warning | PBZ | Westmoreland | 64 min |
| Jun 9, 6:46 AM EDT | Severe Thunderstorm Warning | CLE | Forest | 44 min |
| Jun 9, 7:51 AM EDT | Severe Thunderstorm Warning | PBZ | Cambria, Somerset | 39 min |
| Jun 14, 7:08 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 67 min |
| Jun 14, 7:33 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 57 min |
| Jun 14, 7:43 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 62 min |
| Jun 14, 7:56 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 64 min |
| Jun 18, 5:54 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 66 min |
| Jun 18, 6:53 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 82 min |
| Jun 18, 7:04 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny | 56 min |
| Jun 18, 9:08 AM EDT | Severe Thunderstorm Warning | CLE | McKean | 67 min |
| Jun 18, 11:00 AM EDT | Severe Thunderstorm Warning | CTP | Tioga | 30 min |
| Jun 18, 11:14 AM EDT | Severe Thunderstorm Warning | CLE | Potter | 61 min |
| Jun 18, 11:25 AM EDT | Severe Thunderstorm Warning | CTP | Bradford | 60 min |
| Jun 18, 11:30 AM EDT | Severe Thunderstorm Warning | CTP | Tioga | 60 min |
| Jun 18, 12:20 PM EDT | Severe Thunderstorm Warning | BGM | Susquehanna | 85 min |
| Jun 18, 12:56 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 64 min |
| Jun 18, 3:33 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 57 min |
| Jun 18, 3:44 PM EDT | Severe Thunderstorm Warning | CTP | Monroe, Northampton | 76 min |
| Jun 18, 3:44 PM EDT | Severe Thunderstorm Warning | CTP | Pike | 76 min |
| Jun 18, 3:53 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland | 67 min |
| Jun 18, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Carbon | 53 min |
| Jun 18, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Lehigh, Northampton | 51 min |
| Jun 18, 4:24 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 51 min |
| Jun 19, 2:57 PM EDT | Severe Thunderstorm Warning | PHI | Bucks | 33 min |
| Jun 22, 10:38 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 52 min |
| Jun 27, 3:45 PM EDT | Severe Thunderstorm Warning | PHI | Delaware, Philadelphia | 45 min |
| Jun 29, 3:13 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 62 min |
| Jun 29, 4:51 PM EDT | Severe Thunderstorm Warning | CLE | Cameron, Elk | 69 min |
| Jun 29, 5:40 PM EDT | Severe Thunderstorm Warning | CTP | Clinton | 35 min |
| Jun 29, 6:00 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 60 min |
| Jun 29, 6:10 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Butler | 65 min |
| Jun 29, 6:45 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Somerset | 75 min |
| Jun 29, 6:45 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Jefferson | 75 min |
| Jun 29, 7:30 PM EDT | Severe Thunderstorm Warning | PBZ | Blair, Cambria | 60 min |
| Jun 29, 7:51 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Huntingdon, Mifflin | 39 min |
| Jun 30, 4:49 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver | 56 min |
| Jun 30, 5:21 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 2 hr |
| Jun 30, 5:21 PM EDT | Severe Thunderstorm Warning | CTP | Franklin | 2 hr |
| Jun 30, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Somerset, Westmoreland | 64 min |
| Jun 30, 5:26 PM EDT | Severe Thunderstorm Warning | PBZ | Butler | 64 min |
| Jun 30, 5:40 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong | 50 min |
| Jun 30, 6:20 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Indiana, Westmoreland | 55 min |
| Jun 30, 6:20 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Cambria, Somerset | 55 min |
| Jun 30, 6:40 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 65 min |
| Jun 30, 7:03 PM EDT | Severe Thunderstorm Warning | PBZ | Clearfield | 57 min |
| Jun 30, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Bradford | 20 min |
| Jun 30, 7:19 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Westmoreland | 41 min |
| Jun 30, 7:19 PM EDT | Severe Thunderstorm Warning | PBZ | Bedford, Cambria | 41 min |
| Jun 30, 7:27 PM EDT | Severe Thunderstorm Warning | BGM | Wyoming | 93 min |
| Jun 30, 7:27 PM EDT | Severe Thunderstorm Warning | CLE | Erie | 63 min |
| Jun 30, 7:30 PM EDT | Severe Thunderstorm Warning | CLE | Mercer | 60 min |
| Jun 30, 7:42 PM EDT | Severe Thunderstorm Warning | CLE | Lawrence | 48 min |
| Jun 30, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Fulton, Huntingdon | 63 min |
| Jun 30, 7:42 PM EDT | Severe Thunderstorm Warning | CTP | Centre | 63 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Washington County9
- Allegheny County8
- Armstrong County6
- Somerset County6
- Cambria County5
- Beaver County4
- Fayette County4
- Adams County4
- Butler County4
- Westmoreland County4
- York County3
- Indiana County3
- Erie County3
- Mercer County2
- Greene County2
- Cumberland County2
- Clearfield County2
- Delaware County2
- Philadelphia County2
- Tioga County2
- Bradford County2
- Northampton County2
- Centre County2
- Huntingdon County2
- Franklin County2
- Bedford County2
- Chester County1
- Montgomery County1
- Forest County1
- McKean County1
- Potter County1
- Susquehanna County1
- Wayne County1
- Monroe County1
- Pike County1
- Northumberland County1
- Carbon County1
- Lehigh County1
- Schuylkill County1
- Bucks 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.