Alert archive / West Virginia / Mesoscale Discussions in 2009

Mesoscale Discussion 2233

December 9, 20094 states

The Storm Prediction Center issued this mesoscale discussion at Dec 9, 2009, 11:02 AM EST for 4 states. It was in force for 88 min.

The area

The outline as issued.

The facts

Issued: Dec 9, 2009, 11:02 AM EST (16:02 UTC)
Expired: Dec 9, 2009, 12:30 PM EST
In force: 88 min
Issued by: the Storm Prediction Center

All 51 counties

Cattaraugus County, NY, Chautauqua County, NY, Athens County, OH, Belmont County, OH, Columbiana County, OH, Guernsey County, OH, Harrison County, OH, Jefferson County, OH, Meigs County, OH, Monroe County, OH, Morgan County, OH, Noble County, OH, Washington County, OH, Allegheny County, PA, Armstrong County, PA, Beaver County, PA, Butler County, PA, Clarion County, PA, Crawford County, PA, Fayette County, PA, Forest County, PA, Greene County, PA, Jefferson County, PA, Lawrence County, PA, McKean County, PA, Mercer County, PA, Venango County, PA, Warren County, PA, Washington County, PA, Westmoreland County, PA, Braxton County, WV, Brooke County, WV, Calhoun County, WV, Doddridge County, WV, Gilmer County, WV, Hancock County, WV, Harrison County, WV, Jackson County, WV, Lewis County, WV, Marion County, WV, Marshall County, WV, Monongalia County, WV, Ohio County, WV, Pleasants County, WV, Ritchie County, WV, Roane County, WV, Taylor County, WV, Tyler County, WV, Wetzel County, WV, Wirt County, WV, Wood County, WV

The radar

The Pittsburgh radar (KPBZ), 38 km from the middle of the area, began a volume at 16:03 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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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Dec 8, 11:32 PM EST	Mesoscale Discussion	SPC	Albany, Allegany, Broome, Cattaraugus, Cayuga, Chautauqua and 41 more	6 hr
Dec 9, 6:33 AM EST	Mesoscale Discussion	SPC	Clinton, Essex, Franklin, Warren, Washington	3 hr
Dec 9, 3:46 AM EST	Mesoscale Discussion	SPC	Brown, Butler, Clermont, Clinton, Hamilton, Highland and 2 more	59 min

Nearby

Mesoscale Discussions in West Virginia, 2009 Mesoscale Discussions in Pennsylvania, 2009 Mesoscale Discussions in Ohio, 2009 Every 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.