Alert archive / Pennsylvania / Mesoscale Discussions / 2015
Mesoscale Discussions in Pennsylvania, March 2015
6 mesoscale discussions in March 2015. 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 2015. Tap one for its archive.
- Mesoscale Discussions
- 6
- Busiest day
- March 5, 20153 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, 1:57 PM EST | Mesoscale Discussion | SPC | Berks, Bucks, Chester, Delaware, Lancaster, Lehigh and 3 more | 5 hr |
| Mar 3, 7:01 PM EST | Mesoscale Discussion | SPC | Berks, Bucks, Carbon, Chester, Columbia, Cumberland and 23 more | 4 hr |
| Mar 4, 11:00 PM EST | Mesoscale Discussion | SPC | Greene | 6 hr |
| Mar 5, 7:58 AM EST | Mesoscale Discussion | SPC | Adams, Bucks, Chester, Cumberland, Delaware, Franklin and 5 more | 5 hr |
| Mar 5, 11:55 AM EST | Mesoscale Discussion | SPC | Chester, Delaware, Lancaster, Montgomery, Philadelphia, York | 6 hr |
| Mar 26, 6:12 PM EDT | Mesoscale Discussion | SPC | Chester, Lancaster, York | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Chester County5
- Lancaster County5
- Montgomery County4
- York County4
- Bucks County3
- Delaware County3
- Philadelphia County3
- Berks County2
- Lehigh County2
- Northampton County2
- Cumberland County2
- Carbon County1
- Columbia County1
- Dauphin County1
- Juniata County1
- Lackawanna County1
- Lebanon County1
- Luzerne County1
- Mifflin County1
- Monroe County1
- Montour County1
- Northumberland County1
- Perry County1
- Pike County1
- Schuylkill County1
- Snyder County1
- Sullivan County1
- Susquehanna County1
- Union County1
- Wayne County1
- Wyoming County1
- Greene County1
- Adams County1
- Franklin County1
- Fulton County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20142016
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.