Alert archive / Pennsylvania / Mesoscale Discussions / 2007
Mesoscale Discussions in Pennsylvania, February 2007
13 mesoscale discussions in February 2007. 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 February 2007. Tap one for its archive.
- Mesoscale Discussions
- 13
- Busiest day
- February 14, 20077 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 |
|---|---|---|---|---|
| Feb 4, 7:35 PM EST | Mesoscale Discussion | SPC | Erie | 5 hr |
| Feb 13, 1:51 PM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Crawford and 7 more | 6 hr |
| Feb 13, 2:32 PM EST | Mesoscale Discussion | SPC | Greene, Washington | 6 hr |
| Feb 13, 8:08 PM EST | Mesoscale Discussion | SPC | Bradford, Butler, Cameron, Clarion, Clearfield, Clinton and 16 more | 5 hr |
| Feb 13, 8:52 PM EST | Mesoscale Discussion | SPC | Allegheny, Fayette, Greene, Somerset, Washington, Westmoreland | 5 hr |
| Feb 14, 2:03 AM EST | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bucks, Carbon and 29 more | 5 hr |
| Feb 14, 2:04 AM EST | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bucks, Carbon and 29 more | 5 hr |
| Feb 14, 2:49 AM EST | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Centre, Chester and 27 more | 5 hr |
| Feb 14, 7:34 AM EST | Mesoscale Discussion | SPC | Berks, Bradford, Bucks, Carbon, Columbia, Delaware and 14 more | 4 hr |
| Feb 14, 1:15 PM EST | Mesoscale Discussion | SPC | Lackawanna, Pike, Susquehanna, Wayne, Wyoming | 6 hr |
| Feb 25, 12:51 AM EST | Mesoscale Discussion | SPC | Allegheny, Beaver, Bedford, Butler, Fayette, Greene and 4 more | 4 hr |
| Feb 25, 7:09 AM EST | Mesoscale Discussion | SPC | Adams, Bedford, Franklin, Fulton, Somerset | 4 hr |
| Feb 25, 1:39 PM EST | Mesoscale Discussion | SPC | Berks, Chester, Dauphin, Delaware, Lancaster, Lebanon and 3 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Berks County5
- Delaware County5
- Lackawanna County5
- Montgomery County5
- Philadelphia County5
- Pike County5
- Wayne County5
- Adams County4
- Bedford County4
- Bucks County4
- Carbon County4
- Chester County4
- Columbia County4
- Dauphin County4
- Franklin County4
- Fulton County4
- Lancaster County4
- Lebanon County4
- Lehigh County4
- Luzerne County4
- Monroe County4
- Montour County4
- Northampton County4
- Schuylkill County4
- York County4
- Allegheny County3
- Butler County3
- Lawrence County3
- Greene County3
- Washington County3
- Susquehanna County3
- Wyoming County3
- Somerset County3
- Centre County3
- Cumberland County3
- Huntingdon County3
- Juniata County3
- Mifflin County3
- Northumberland County3
- Perry County3
26 more counties
- Snyder County3
- Union County3
- Erie County2
- Beaver County2
- Clarion County2
- Crawford County2
- Forest County2
- Jefferson County2
- Mercer County2
- Venango County2
- Warren County2
- Bradford County2
- Sullivan County2
- Fayette County2
- Westmoreland County2
- Blair County2
- Armstrong County1
- Indiana County1
- Cameron County1
- Clearfield County1
- Clinton County1
- Elk County1
- Lycoming County1
- McKean County1
- Potter County1
- Tioga County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
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.