Alert archive / Pennsylvania / Mesoscale Discussions / 2011
Mesoscale Discussions in Pennsylvania, March 2011
4 mesoscale discussions in March 2011. 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 March 2011. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- March 23, 20112 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 |
|---|---|---|---|---|
| Mar 6, 12:59 PM EST | Mesoscale Discussion | SPC | Bradford, Carbon, Columbia, Dauphin, Huntingdon, Juniata and 15 more | 4 hr |
| Mar 6, 7:32 PM EST | Mesoscale Discussion | SPC | Bradford, Lackawanna, Susquehanna, Wayne, Wyoming | 4 hr |
| Mar 23, 3:32 AM EDT | Mesoscale Discussion | SPC | Bradford, Carbon, Columbia, Lackawanna, Lehigh, Luzerne and 11 more | 4 hr |
| Mar 23, 3:54 PM EDT | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 10 more | 96 min |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bradford County3
- Lackawanna County3
- Susquehanna County3
- Wayne County3
- Wyoming County3
- Carbon County2
- Columbia County2
- Huntingdon County2
- Luzerne County2
- Lycoming County2
- Montour County2
- Pike County2
- Sullivan County2
- Dauphin County1
- Juniata County1
- Mifflin County1
- Northumberland County1
- Perry County1
- Schuylkill County1
- Snyder County1
- Union County1
- Lehigh County1
- Monroe County1
- Northampton County1
- Potter County1
- Tioga County1
- Allegheny County1
- Armstrong County1
- Beaver County1
- Bedford County1
- Blair County1
- Butler County1
- Cambria County1
- Fayette County1
- Franklin County1
- Fulton County1
- Greene County1
- Indiana County1
- Somerset County1
- Washington County1
1 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20102012
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.