Alert archive / Pennsylvania / Mesoscale Discussions / 2004
Mesoscale Discussions in Pennsylvania, March 2004
3 mesoscale discussions in March 2004. 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 2004. Tap one for its archive.
- Mesoscale Discussions
- 3
- Busiest day
- March 16, 20042 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 16, 5:14 AM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Bedford, Blair, Butler and 24 more | 5 hr |
| Mar 16, 8:17 AM EST | Mesoscale Discussion | SPC | Berks, Carbon, Columbia, Lackawanna, Lebanon, Lehigh and 8 more | 5 hr |
| Mar 18, 6:08 PM EST | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Bucks, Cambria and 22 more | 5 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bedford County2
- Blair County2
- Cambria County2
- Centre County2
- Huntingdon County2
- Berks County2
- Carbon County2
- Lebanon County2
- Lehigh County2
- Northampton County2
- Schuylkill County2
- Allegheny County1
- Armstrong County1
- Beaver County1
- Butler County1
- Cameron County1
- Clarion County1
- Clearfield County1
- Clinton County1
- Crawford County1
- Elk County1
- Fayette County1
- Forest County1
- Greene County1
- Indiana County1
- Jefferson County1
- Lawrence County1
- McKean County1
- Mercer County1
- Potter County1
- Somerset County1
- Tioga County1
- Venango County1
- Warren County1
- Washington County1
- Westmoreland County1
- Columbia County1
- Lackawanna County1
- Luzerne County1
- Monroe County1
21 more counties
- Pike County1
- Susquehanna County1
- Wayne County1
- Wyoming County1
- Adams County1
- Bucks County1
- Chester County1
- Cumberland County1
- Dauphin County1
- Delaware County1
- Franklin County1
- Fulton County1
- Juniata County1
- Lancaster County1
- Mifflin County1
- Montgomery County1
- Northumberland County1
- Perry County1
- Philadelphia County1
- Snyder County1
- York County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20032005
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.