Alert archive / Pennsylvania / Mesoscale Discussions in 2009
Mesoscale Discussion 20
The Storm Prediction Center issued this mesoscale discussion at Jan 6, 2009, 5:17 PM EST for Columbiana County, Mahoning County, Ohio; 44 counties in Pennsylvania; Brooke County, Hancock County, Ohio County, West Virginia. It was in force for 4 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 6, 2009, 5:17 PM EST (22:17 UTC)
- Expired
- Jan 6, 2009, 9:15 PM EST
- In force
- 4 hr
- Issued by
- the Storm Prediction Center
All 49 counties
Columbiana County, OH, Mahoning County, OH, Adams County, PA, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Bedford County, PA, Berks County, PA, Blair County, PA, Butler County, PA, Cambria County, PA, Cameron County, PA, Centre County, PA, Clarion County, PA, Clearfield County, PA, Clinton County, PA, Columbia County, PA, Cumberland County, PA, Dauphin County, PA, Elk County, PA, Fayette County, PA, Forest County, PA, Franklin County, PA, Fulton County, PA, Greene County, PA, Huntingdon County, PA, Indiana County, PA, Jefferson County, PA, Juniata County, PA, Lancaster County, PA, Lawrence County, PA, Lebanon County, PA, Lycoming County, PA, Mercer County, PA, Mifflin County, PA, Montour County, PA, Northumberland County, PA, Perry County, PA, Schuylkill County, PA, Snyder County, PA, Somerset County, PA, Union County, PA, Venango County, PA, Washington County, PA, Westmoreland County, PA, York County, PA, Brooke County, WV, Hancock County, WV, Ohio County, WV
The radar
The State College radar (KCCX), 59 km from the middle of the area, began a volume at 22:17 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 6, 1:06 AM EST | Mesoscale Discussion | SPC | Brown, Clermont, Hamilton | 4 hr |
| Jan 6, 5:53 AM EST | Mesoscale Discussion | SPC | Adams, Athens, Auglaize, Belmont, Brown, Butler and 46 more | 3 hr |
Nearby
Mesoscale Discussions in Pennsylvania, 2009Mesoscale Discussions in West Virginia, 2009Mesoscale Discussions in Ohio, 2009Every mesoscale discussion in 2009
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.