Alert archive / Pennsylvania / Severe Thunderstorm Watches / 2018
Severe Thunderstorm Watches in Pennsylvania, August 2018
2 severe thunderstorm watches in August 2018. 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 watches reaches back to 1997.
Severe Thunderstorm Watches by county
Each county as a circle sized by its count in August 2018. Tap one for its archive.
- Severe Thunderstorm Watches
- 2
- Busiest day
- August 17, 20181 severe thunderstorm watches
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 17, 3:44 PM EDT | Severe Thunderstorm Watch | SPC | Berks, Bradford, Carbon, Columbia, Lackawanna, Lehigh and 14 more | 7 hr |
| Aug 21, 2:41 PM EDT | Severe Thunderstorm Watch | SPC | Adams, Armstrong, Bedford, Blair, Cambria, Centre and 16 more | 7 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berks County1
- Bradford County1
- Carbon County1
- Columbia County1
- Lackawanna County1
- Lehigh County1
- Luzerne County1
- Lycoming County1
- Monroe County1
- Montour County1
- Northampton County1
- Northumberland County1
- Pike County1
- Schuylkill County1
- Snyder County1
- Sullivan County1
- Susquehanna County1
- Union County1
- Wayne County1
- Wyoming County1
- Adams County1
- Armstrong County1
- Bedford County1
- Blair County1
- Cambria County1
- Centre County1
- Clarion County1
- Clearfield County1
- Cumberland County1
- Dauphin County1
- Fayette County1
- Franklin County1
- Fulton County1
- Huntingdon County1
- Indiana County1
- Jefferson County1
- Juniata County1
- Mifflin County1
- Perry County1
- Somerset County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.