Alert archive / Pennsylvania / Mesoscale Discussions / 2003
Mesoscale Discussions in Pennsylvania, April 2003
4 mesoscale discussions in April 2003. 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 April 2003. Tap one for its archive.
- Mesoscale Discussions
- 4
- Busiest day
- April 5, 20032 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 |
|---|---|---|---|---|
| Apr 4, 11:38 PM EST | Mesoscale Discussion | SPC | Beaver, Washington | 97 min |
| Apr 5, 2:34 AM EST | Mesoscale Discussion | SPC | Allegheny, Armstrong, Beaver, Butler, Clearfield, Greene and 4 more | 86 min |
| Apr 7, 4:56 AM EDT | Mesoscale Discussion | SPC | Blair, Cambria, Cameron, Centre, Clarion, Clearfield and 13 more | 8 hr |
| Apr 7, 4:41 PM EDT | Mesoscale Discussion | SPC | Carbon, Columbia, Lehigh, Luzerne, Lycoming, Monroe and 6 more | 2 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Beaver County2
- Washington County2
- Clearfield County2
- Indiana County2
- Columbia County2
- Lycoming County2
- Montour County2
- Northumberland County2
- Snyder County2
- Union County2
- Allegheny County1
- Armstrong County1
- Butler County1
- Greene County1
- Lawrence County1
- Westmoreland County1
- Blair County1
- Cambria County1
- Cameron County1
- Centre County1
- Clarion County1
- Clinton County1
- Elk County1
- Forest County1
- Jefferson County1
- Juniata County1
- Mifflin County1
- Carbon County1
- Lehigh County1
- Luzerne County1
- Monroe County1
- Northampton County1
- Schuylkill County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20022004
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.