Alert archive / Pennsylvania / Mesoscale Discussions / 2003
Mesoscale Discussions in Pennsylvania, February 2003
7 mesoscale discussions in February 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 February 2003. Tap one for its archive.
- Mesoscale Discussions
- 7
- Busiest day
- February 16, 20033 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 |
|---|---|---|---|---|
| Feb 14, 10:18 PM EST | Mesoscale Discussion | SPC | Greene | 6 hr |
| Feb 16, 12:12 AM EST | Mesoscale Discussion | SPC | Fayette, Greene, Somerset, Washington | 5 hr |
| Feb 16, 11:45 AM EST | Mesoscale Discussion | SPC | Adams, Delaware | 6 hr |
| Feb 16, 6:41 PM EST | Mesoscale Discussion | SPC | Allegheny, Beaver, Greene, Washington | 3 hr |
| Feb 16, 7:04 PM EST | Mesoscale Discussion | SPC | Adams, Bedford, Berks, Blair, Chester, Cumberland and 14 more | 4 hr |
| Feb 16, 11:19 PM EST | Mesoscale Discussion | SPC | Adams, Allegheny, Armstrong, Bedford, Berks, Blair and 27 more | 6 hr |
| Feb 27, 3:19 PM EST | Mesoscale Discussion | SPC | Chester | 6 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Greene County4
- Somerset County3
- Washington County3
- Adams County3
- Delaware County3
- Chester County3
- Fayette County2
- Allegheny County2
- Bedford County2
- Berks County2
- Blair County2
- Cumberland County2
- Dauphin County2
- Franklin County2
- Fulton County2
- Huntingdon County2
- Juniata County2
- Lancaster County2
- Lebanon County2
- Mifflin County2
- Montgomery County2
- Perry County2
- Philadelphia County2
- York County2
- Beaver County1
- Armstrong County1
- Bucks County1
- Cambria County1
- Indiana County1
- Lehigh County1
- Northampton County1
- Schuylkill County1
- Snyder County1
- Westmoreland 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.