Alert archive / Virginia / Mesoscale Discussions in 2015

Mesoscale Discussion 1801

September 12, 2015Saint Mary's County, Maryland; 30 counties in Virginia

The Storm Prediction Center issued this mesoscale discussion at Sep 12, 2015, 6:33 AM EDT for Saint Mary's County, Maryland; 30 counties in Virginia. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: Sep 12, 2015, 6:33 AM EDT (10:33 UTC)
Expired: Sep 12, 2015, 8:30 AM EDT
In force: 117 min
Issued by: the Storm Prediction Center
Chance of a watch: 5%

All 31 counties

Saint Mary's County, MD, Amelia County, VA, Caroline County, VA, Charles City County, VA, Chesterfield County, VA, City of Colonial Heights, VA, City of Hopewell, VA, City of Newport News, VA, City of Petersburg, VA, City of Richmond, VA, City of Williamsburg, VA, Dinwiddie County, VA, Essex County, VA, Gloucester County, VA, Hanover County, VA, Henrico County, VA, James City County, VA, King and Queen County, VA, King William County, VA, Lancaster County, VA, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northumberland County, VA, Nottoway County, VA, Prince George County, VA, Richmond County, VA, Surry County, VA, Sussex County, VA, Westmoreland County, VA, York County, VA

The radar

The Norfolk radar (KAKQ), 46 km from the middle of the area, began a volume at 10:35 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
Sep 12, 10:02 AM EDT	Mesoscale Discussion	SPC	Dorchester, Saint Mary's, Somerset, Wicomico, Worcester	118 min
Sep 12, 2:28 PM EDT	Mesoscale Discussion	SPC	Dorchester, Saint Mary's, Somerset, Wicomico, Worcester	2 hr

Nearby

Mesoscale Discussions in Virginia, 2015 Mesoscale Discussions in Maryland, 2015 Every mesoscale discussion in 2015

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.