Alert archive / Pennsylvania / Mesoscale Discussions / 2013
Mesoscale Discussions in Pennsylvania, September 2013
8 mesoscale discussions in September 2013. 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 mesoscale discussions reaches back to 2003.
Mesoscale Discussions by county
Each county as a circle sized by its count in September 2013. Tap one for its archive.
- Mesoscale Discussions
- 8
- Busiest day
- September 12, 20134 mesoscale discussions
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, 12:33 PM EDT | Mesoscale Discussion | SPC | Cameron, Clarion, Crawford, Elk, Forest, Jefferson and 7 more | 117 min |
| Sep 2, 6:52 PM EDT | Mesoscale Discussion | SPC | Armstrong, Bradford, Cameron, Carbon, Centre, Clearfield and 21 more | 113 min |
| Sep 11, 11:42 AM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Bradford, Butler and 34 more | 63 min |
| Sep 11, 2:47 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bradford, Butler, Cambria and 28 more | 58 min |
| Sep 12, 12:02 PM EDT | Mesoscale Discussion | SPC | Blair, Bradford, Cameron, Carbon, Centre, Clearfield and 26 more | 58 min |
| Sep 12, 2:41 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Blair, Bradford, Cambria, Carbon and 29 more | 64 min |
| Sep 12, 3:26 PM EDT | Mesoscale Discussion | SPC | Pike | 64 min |
| Sep 12, 4:24 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lehigh and 3 more | 66 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Tioga County6
- Cameron County5
- Potter County5
- Bradford County5
- Centre County5
- Clinton County5
- Lycoming County5
- Montour County5
- Sullivan County5
- Susquehanna County5
- Union County5
- Wayne County5
- Wyoming County5
- Elk County4
- Jefferson County4
- McKean County4
- Clearfield County4
- Columbia County4
- Juniata County4
- Lackawanna County4
- Mifflin County4
- Northumberland County4
- Pike County4
- Snyder County4
- Clarion County3
- Crawford County3
- Forest County3
- Lawrence County3
- Mercer County3
- Venango County3
- Warren County3
- Armstrong County3
- Carbon County3
- Luzerne County3
- Blair County3
- Cambria County3
- Huntingdon County3
- Allegheny County2
- Beaver County2
- Butler County2
25 more counties
- Erie County2
- Indiana County2
- Washington County2
- Westmoreland County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Lebanon County2
- Monroe County2
- Perry County2
- Schuylkill County2
- Adams County1
- Bedford County1
- Fulton County1
- Somerset County1
- York County1
- Berks County1
- Bucks County1
- Chester County1
- Delaware County1
- Lancaster County1
- Lehigh County1
- Montgomery County1
- Northampton County1
- Philadelphia County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20122014
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.