Alert archive / Pennsylvania / Mesoscale Discussions in 2013

Mesoscale Discussion 55

January 28, 20134 states

The Storm Prediction Center issued this mesoscale discussion at Jan 28, 2013, 12:22 AM EST for 4 states. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued: Jan 28, 2013, 12:22 AM EST (05:22 UTC)
Expired: Jan 28, 2013, 4:45 AM EST
In force: 4 hr
Issued by: the Storm Prediction Center

All 31 counties

Allegany County, MD, Garrett County, MD, Allegheny County, PA, Armstrong County, PA, Butler County, PA, Cambria County, PA, Clarion County, PA, Crawford County, PA, Erie County, PA, Fayette County, PA, Forest County, PA, Indiana County, PA, Jefferson County, PA, Mercer County, PA, Somerset County, PA, Venango County, PA, Warren County, PA, Westmoreland County, PA, Alleghany County, VA, Bath County, VA, City of Covington, VA, Highland County, VA, Grant County, WV, Greenbrier County, WV, Hardy County, WV, Mineral County, WV, Pendleton County, WV, Pocahontas County, WV, Preston County, WV, Randolph County, WV, Tucker County, WV

The radar

The Pittsburgh radar (KPBZ), 96 km from the middle of the area, began a volume at 05:25 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
Jan 27, 10:21 PM EST	Mesoscale Discussion	SPC	Beaver, Lawrence, Mercer	4 hr
Jan 28, 4:32 AM EST	Mesoscale Discussion	SPC	Clearfield, Elk, McKean, Warren	5 hr
Jan 28, 7:33 AM EST	Mesoscale Discussion	SPC	Berks, Bradford, Carbon, Centre, Clinton, Columbia and 25 more	5 hr
Jan 28, 11:55 AM EST	Mesoscale Discussion	SPC	Bucks, Carbon, Lackawanna, Lehigh, Luzerne, Monroe and 5 more	6 hr

Nearby

Mesoscale Discussions in Pennsylvania, 2013 Mesoscale Discussions in West Virginia, 2013 Mesoscale Discussions in Virginia, 2013 Every mesoscale discussion in 2013

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.