Alert archive / Pennsylvania / Mesoscale Discussions / 2005
Mesoscale Discussions in Pennsylvania, December 2005
10 mesoscale discussions in December 2005. 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 2005. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- December 4, 20054 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 3, 7:56 PM EST | Mesoscale Discussion | SPC | Fayette, Greene, Somerset | 6 hr |
| Dec 3, 8:43 PM EST | Mesoscale Discussion | SPC | Allegheny, Beaver, Butler, Crawford, Erie, Lawrence and 2 more | 5 hr |
| Dec 4, 1:04 AM EST | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks and 57 more | 4 hr |
| Dec 4, 6:50 AM EST | Mesoscale Discussion | SPC | Bucks, Delaware, Montgomery, Northampton, Philadelphia | 2 hr |
| Dec 5, 1:54 PM EST | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Lancaster, Montgomery, Philadelphia | 6 hr |
| Dec 8, 7:54 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 13 more | 6 hr |
| Dec 9, 12:54 AM EST | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bradford, Bucks and 39 more | 6 hr |
| Dec 15, 1:43 PM EST | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks and 44 more | 5 hr |
| Dec 15, 8:18 PM EST | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Bedford, Berks, Blair and 53 more | 4 hr |
| Dec 16, 1:47 AM EST | Mesoscale Discussion | SPC | Bradford, Cameron, Centre, Clearfield, Clinton, Columbia and 16 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Clearfield County6
- Fayette County5
- Somerset County5
- Allegheny County5
- Butler County5
- Bedford County5
- Blair County5
- Cameron County5
- Centre County5
- Clinton County5
- Columbia County5
- Fulton County5
- Jefferson County5
- Lancaster County5
- Luzerne County5
- Lycoming County5
- Montgomery County5
- Montour County5
- Northumberland County5
- Potter County5
- Sullivan County5
- Tioga County5
- Union County5
- Beaver County4
- Crawford County4
- Lawrence County4
- Mercer County4
- Venango County4
- Adams County4
- Armstrong County4
- Berks County4
- Bradford County4
- Cambria County4
- Carbon County4
- Chester County4
- Clarion County4
- Cumberland County4
- Dauphin County4
- Elk County4
- Franklin County4
27 more counties
- Huntingdon County4
- Indiana County4
- Juniata County4
- Lackawanna County4
- Lebanon County4
- McKean County4
- Mifflin County4
- Northampton County4
- Perry County4
- Pike County4
- Schuylkill County4
- Snyder County4
- Susquehanna County4
- Wayne County4
- Westmoreland County4
- Wyoming County4
- York County4
- Bucks County4
- Greene County3
- Forest County3
- Lehigh County3
- Monroe County3
- Warren County3
- Delaware County3
- Philadelphia County3
- Washington County2
- Erie County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20042006
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.