Alert archive / Pennsylvania / Mesoscale Discussions / 2016
Mesoscale Discussions in Pennsylvania, December 2016
6 mesoscale discussions in December 2016. 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 December 2016. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- December 17, 20164 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 |
|---|---|---|---|---|
| Dec 11, 10:05 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 25 more | 4 hr |
| Dec 16, 11:42 PM EST | Mesoscale Discussion | SPC | Allegheny, Beaver, Greene, Lawrence, Washington | 5 hr |
| Dec 17, 3:08 AM EST | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Bedford, Blair, Bradford and 36 more | 4 hr |
| Dec 17, 4:21 AM EST | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Delaware and 9 more | 5 hr |
| Dec 17, 6:57 AM EST | Mesoscale Discussion | SPC | Lackawanna, Pike, Susquehanna, Wayne, Wyoming | 5 hr |
| Dec 18, 2:07 AM EST | Mesoscale Discussion | SPC | Fayette, Greene | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Allegheny County3
- Fayette County3
- Lawrence County3
- Armstrong County2
- Beaver County2
- Bedford County2
- Blair County2
- Butler County2
- Cambria County2
- Cameron County2
- Centre County2
- Clarion County2
- Clearfield County2
- Clinton County2
- Crawford County2
- Elk County2
- Forest County2
- Franklin County2
- Fulton County2
- Huntingdon County2
- Indiana County2
- Jefferson County2
- Juniata County2
- McKean County2
- Mercer County2
- Mifflin County2
- Potter County2
- Somerset County2
- Venango County2
- Warren County2
- Westmoreland County2
- Greene County2
- Adams County2
- Washington County1
- Bradford County1
- Cumberland County1
- Dauphin County1
- Lycoming County1
- Montour County1
- Northumberland County1
24 more counties
- Perry County1
- Snyder County1
- Sullivan County1
- Tioga County1
- Union County1
- Berks County1
- Bucks County1
- Carbon County1
- Chester County1
- Delaware County1
- Lancaster County1
- Lebanon County1
- Lehigh County1
- Monroe County1
- Montgomery County1
- Northampton County1
- Philadelphia County1
- Schuylkill County1
- York County1
- Lackawanna County1
- Pike County1
- Susquehanna County1
- Wayne County1
- Wyoming County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20152017
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.