Alert archive / Pennsylvania / Mesoscale Discussions / 2017
Mesoscale Discussions in Pennsylvania, March 2017
10 mesoscale discussions in March 2017. 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 2017. Tap one for its archive.
- Mesoscale Discussions
- 10
- Busiest day
- March 1, 20176 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 1, 2:19 AM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Cambria, Clarion and 13 more | 86 min |
| Mar 1, 9:44 AM EST | Mesoscale Discussion | SPC | Adams, Bedford, Cumberland, Franklin, Fulton, Lancaster and 2 more | 91 min |
| Mar 1, 12:25 PM EST | Mesoscale Discussion | SPC | Adams, Cumberland, Franklin, Fulton, York | 65 min |
| Mar 1, 12:50 PM EST | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Philadelphia | 55 min |
| Mar 1, 2:50 PM EST | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Lehigh, Montgomery, Northampton and 1 more | 55 min |
| Mar 1, 3:56 PM EST | Mesoscale Discussion | SPC | Beaver, Butler, Crawford, Lawrence, Mercer, Venango and 1 more | 2 hr |
| Mar 10, 8:18 AM EST | Mesoscale Discussion | SPC | Bucks, Montgomery | 4 hr |
| Mar 13, 10:01 PM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bucks, Carbon, Chester, Cumberland and 11 more | 4 hr |
| Mar 14, 3:22 AM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bradford, Bucks and 35 more | 5 hr |
| Mar 14, 9:04 AM EDT | Mesoscale Discussion | SPC | Adams, Berks, Bradford, Bucks, Carbon, Chester and 29 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County6
- Montgomery County6
- Adams County5
- Cumberland County5
- Franklin County5
- York County5
- Chester County5
- Delaware County5
- Lancaster County4
- Philadelphia County4
- Lehigh County4
- Northampton County4
- Fulton County3
- Berks County3
- Carbon County3
- Dauphin County3
- Lebanon County3
- Monroe County3
- Schuylkill County3
- Beaver County2
- Butler County2
- Crawford County2
- Lawrence County2
- Mercer County2
- Venango County2
- Washington County2
- Bedford County2
- Bradford County2
- Columbia County2
- Juniata County2
- Lackawanna County2
- Luzerne County2
- Lycoming County2
- Mifflin County2
- Montour County2
- Northumberland County2
- Perry County2
- Pike County2
- Snyder County2
- Sullivan County2
21 more counties
- Susquehanna County2
- Union County2
- Wayne County2
- Wyoming County2
- Allegheny County1
- Armstrong County1
- Cambria County1
- Clarion County1
- Elk County1
- Erie County1
- Forest County1
- Indiana County1
- Jefferson County1
- McKean County1
- Warren County1
- Westmoreland County1
- Somerset County1
- Blair County1
- Centre County1
- Clinton County1
- Huntingdon County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20162018
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.