Alert archive / Pennsylvania / Severe Thunderstorm Warnings / 2020
Severe Thunderstorm Warnings in Pennsylvania, May 2020
25 severe thunderstorm warnings in May 2020. 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 May 2020. Tap one for its archive.
- Severe Thunderstorm Warnings
- 25
- Busiest day
- May 29, 202020 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 |
|---|---|---|---|---|
| May 15, 5:52 PM EDT | Severe Thunderstorm Warning | BGM | Wayne | 33 min |
| May 15, 7:11 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Potter | 49 min |
| May 15, 7:49 PM EDT | Severe Thunderstorm Warning | CTP | Potter, Tioga | 41 min |
| May 25, 6:28 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 23 min |
| May 29, 12:24 PM EDT | Severe Thunderstorm Warning | CLE | Crawford | 36 min |
| May 29, 12:45 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 45 min |
| May 29, 1:28 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 47 min |
| May 29, 1:39 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Sullivan | 37 min |
| May 29, 1:55 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Perry | 50 min |
| May 29, 1:58 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, York | 47 min |
| May 29, 2:16 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lebanon, Northumberland, Schuylkill | 29 min |
| May 29, 2:28 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 47 min |
| May 29, 2:35 PM EDT | Severe Thunderstorm Warning | CTP | Adams | 25 min |
| May 29, 2:44 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, York | 46 min |
| May 29, 3:08 PM EDT | Severe Thunderstorm Warning | BGM | Bradford | 67 min |
| May 29, 3:44 PM EDT | Severe Thunderstorm Warning | CTP | Lebanon, Schuylkill | 61 min |
| May 29, 3:51 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Lehigh | 54 min |
| May 29, 4:00 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 30 min |
| May 29, 4:17 PM EDT | Severe Thunderstorm Warning | BGM | Bradford, Susquehanna | 58 min |
| May 29, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 24 min |
| May 29, 4:24 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Armstrong, Beaver, Butler, Westmoreland | 36 min |
| May 29, 4:54 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Indiana, Jefferson | 51 min |
| May 29, 5:02 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 37 min |
| May 29, 5:03 PM EDT | Severe Thunderstorm Warning | PHI | Berks, Bucks, Lehigh, Montgomery | 57 min |
| May 29, 8:37 PM EDT | Severe Thunderstorm Warning | CTP | Northumberland, Snyder | 38 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Beaver County4
- McKean County3
- Bradford County3
- Cumberland County3
- Dauphin County3
- Potter County2
- Warren County2
- Adams County2
- York County2
- Lebanon County2
- Northumberland County2
- Schuylkill County2
- Berks County2
- Lehigh County2
- Armstrong County2
- Wayne County1
- Tioga County1
- Crawford County1
- Columbia County1
- Lycoming County1
- Montour County1
- Sullivan County1
- Perry County1
- Susquehanna County1
- Washington County1
- Allegheny County1
- Butler County1
- Westmoreland County1
- Clarion County1
- Indiana County1
- Jefferson County1
- Bucks County1
- Montgomery County1
- Snyder County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.