Alert archive / Pennsylvania / Mesoscale Discussions / 2018
Mesoscale Discussions in Pennsylvania, March 2018
5 mesoscale discussions in March 2018. 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 2018. Tap one for its archive.
- Mesoscale Discussions
- 5
- Busiest day
- March 2, 20182 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, 8:43 PM EST | Mesoscale Discussion | SPC | Crawford, Erie, Forest, McKean, Potter, Venango and 1 more | 6 hr |
| Mar 2, 3:15 AM EST | Mesoscale Discussion | SPC | Lackawanna, Luzerne, Monroe, Pike, Susquehanna, Wayne and 1 more | 6 hr |
| Mar 7, 8:47 AM EST | Mesoscale Discussion | SPC | Bucks, Montgomery, Northampton | 4 hr |
| Mar 7, 1:25 PM EST | Mesoscale Discussion | SPC | Bucks, Chester, Delaware, Montgomery, Northampton, Philadelphia | 6 hr |
| Mar 20, 12:19 PM EDT | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Bucks, Chester, Cumberland and 8 more | 4 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bucks County3
- Montgomery County3
- Northampton County2
- Chester County2
- Delaware County2
- Philadelphia County2
- Crawford County1
- Erie County1
- Forest County1
- McKean County1
- Potter County1
- Venango County1
- Warren County1
- Lackawanna County1
- Luzerne County1
- Monroe County1
- Pike County1
- Susquehanna County1
- Wayne County1
- Wyoming County1
- Adams County1
- Bedford County1
- Berks County1
- Cumberland County1
- Franklin County1
- Fulton County1
- Lancaster County1
- Lebanon County1
- York County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.