Alert archive / Pennsylvania / Mesoscale Discussions / 2007
Mesoscale Discussions in Pennsylvania, May 2007
14 mesoscale discussions in May 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 May 2007. Tap one for its archive.
- Mesoscale Discussions
- 14
- Busiest day
- May 16, 20074 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 |
|---|---|---|---|---|
| May 1, 3:53 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Indiana and 4 more | 97 min |
| May 1, 6:35 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 37 more | 85 min |
| May 10, 11:48 AM EDT | Mesoscale Discussion | SPC | Bradford, Centre, Clinton, Columbia, Cumberland, Dauphin and 17 more | 117 min |
| May 10, 6:28 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bradford, Bucks, Carbon and 32 more | 92 min |
| May 16, 12:46 AM EDT | Mesoscale Discussion | SPC | Allegheny, Beaver, Butler, Lawrence, Washington | 59 min |
| May 16, 11:57 AM EDT | Mesoscale Discussion | SPC | Monroe, Pike, Wayne | 93 min |
| May 16, 12:56 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 12 more | 64 min |
| May 16, 3:46 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Delaware and 10 more | 89 min |
| May 25, 1:18 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Cameron, Clarion and 12 more | 2 hr |
| May 27, 12:45 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clarion, Fayette and 10 more | 90 min |
| May 27, 1:12 PM EDT | Mesoscale Discussion | SPC | Bradford, Cameron, Centre, Clearfield, Clinton, Elk and 12 more | 93 min |
| May 27, 4:30 PM EDT | Mesoscale Discussion | SPC | Adams, Cumberland, Dauphin, Franklin, Juniata, Perry and 1 more | 60 min |
| May 27, 6:56 PM EDT | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Beaver, Bedford, Berks and 49 more | 2 hr |
| May 31, 2:01 PM EDT | Mesoscale Discussion | SPC | Adams, Fulton, York | 89 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- York County7
- Allegheny County6
- Beaver County6
- Butler County6
- Cumberland County6
- Dauphin County6
- Adams County6
- Armstrong County5
- Lawrence County5
- Washington County5
- Jefferson County5
- Juniata County5
- Lancaster County5
- Lebanon County5
- Lycoming County5
- Montour County5
- Perry County5
- Tioga County5
- Union County5
- Schuylkill County5
- Wayne County5
- Monroe County5
- Pike County5
- Clarion County4
- Indiana County4
- Mercer County4
- Venango County4
- Centre County4
- Clearfield County4
- Clinton County4
- Columbia County4
- Forest County4
- Franklin County4
- Huntingdon County4
- Mifflin County4
- Northumberland County4
- Snyder County4
- Bradford County4
- Sullivan County4
- Susquehanna County4
26 more counties
- Wyoming County4
- Berks County4
- Bucks County4
- Carbon County4
- Chester County4
- Delaware County4
- Lehigh County4
- Montgomery County4
- Northampton County4
- Philadelphia County4
- Bedford County3
- Cameron County3
- Elk County3
- McKean County3
- Potter County3
- Somerset County3
- Westmoreland County3
- Lackawanna County3
- Luzerne County3
- Fulton County3
- Blair County2
- Cambria County2
- Crawford County2
- Warren County2
- Fayette County2
- Greene County2
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.