Alert archive / Pennsylvania / Mesoscale Discussions / 2014
Mesoscale Discussions in Pennsylvania, September 2014
10 mesoscale discussions in September 2014. 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 2014. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- September 2, 20144 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, 2:25 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Bradford and 40 more | 2 hr |
| Sep 2, 4:11 PM EDT | Mesoscale Discussion | SPC | Adams, Chester, Lancaster, York | 94 min |
| Sep 2, 6:29 PM EDT | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Delaware, Lackawanna and 10 more | 91 min |
| Sep 2, 7:43 PM EDT | Mesoscale Discussion | SPC | Lackawanna, Wayne | 92 min |
| Sep 6, 12:31 PM EDT | Mesoscale Discussion | SPC | Berks, Bradford, Bucks, Carbon, Columbia, Lackawanna and 16 more | 89 min |
| Sep 6, 4:20 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Delaware and 8 more | 85 min |
| Sep 6, 6:58 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 13 more | 92 min |
| Sep 10, 6:11 PM EDT | Mesoscale Discussion | SPC | Mercer | 64 min |
| Sep 21, 1:20 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Blair, Butler, Cambria and 22 more | 115 min |
| Sep 30, 3:19 PM EDT | Mesoscale Discussion | SPC | Bedford, Blair, Centre, Clinton, Cumberland, Franklin and 8 more | 86 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Lackawanna County4
- Wayne County4
- Chester County4
- Berks County4
- Bucks County4
- Carbon County4
- Lehigh County4
- Monroe County4
- Montgomery County4
- Northampton County4
- Blair County3
- Centre County3
- Clinton County3
- Luzerne County3
- Lycoming County3
- Mercer County3
- Perry County3
- Snyder County3
- Susquehanna County3
- Union County3
- Wyoming County3
- Adams County3
- Lancaster County3
- York County3
- Delaware County3
- Philadelphia County3
- Allegheny County2
- Armstrong County2
- Beaver County2
- Bedford County2
- Bradford County2
- Butler County2
- Cambria County2
- Cameron County2
- Clarion County2
- Clearfield County2
- Columbia County2
- Elk County2
- Fayette County2
- Forest County2
26 more counties
- Fulton County2
- Greene County2
- Huntingdon County2
- Indiana County2
- Jefferson County2
- Juniata County2
- Lawrence County2
- McKean County2
- Mifflin County2
- Montour County2
- Northumberland County2
- Potter County2
- Somerset County2
- Sullivan County2
- Tioga County2
- Venango County2
- Warren County2
- Washington County2
- Westmoreland County2
- Pike County2
- Schuylkill County2
- Lebanon County2
- Cumberland County2
- Franklin County2
- Dauphin County1
- Crawford County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20132015
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.