Alert archive / Virginia / Mesoscale Discussions in 2003

Mesoscale Discussion 947

May 11, 20035 states

The Storm Prediction Center issued this mesoscale discussion at May 11, 2003, 3:18 PM EDT for 5 states. It was in force for 117 min.

The area

The outline as issued.

The facts

Issued: May 11, 2003, 3:18 PM EDT (19:18 UTC)
Expired: May 11, 2003, 5:15 PM EDT
In force: 117 min
Issued by: the Storm Prediction Center

All 66 counties

Kent County, DE, Sussex County, DE, Anne Arundel County, MD, Baltimore County, MD, Calvert County, MD, Caroline County, MD, Carroll County, MD, Charles County, MD, City of Baltimore, MD, Dorchester County, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Kent County, MD, Montgomery County, MD, Prince George's County, MD, Queen Anne's County, MD, Saint Mary's County, MD, Somerset County, MD, Talbot County, MD, Washington County, MD, Wicomico County, MD, Cumberland County, NJ, Accomack County, VA, Arlington County, VA, Caroline County, VA, Charles City County, VA, Chesterfield County, VA, City of Alexandria, VA, City of Colonial Heights, VA, City of Fairfax, VA, City of Falls Church, VA, City of Fredericksburg, VA, City of Hopewell, VA, City of Manassas, VA, City of Manassas Park, VA, City of Richmond, VA, City of Williamsburg, VA, City of Winchester, VA, Clarke County, VA, Culpeper County, VA, Essex County, VA, Fairfax County, VA, Fauquier County, VA, Gloucester County, VA, Hanover County, VA, Henrico County, VA, James City County, VA, King and Queen County, VA, King George County, VA, King William County, VA, Lancaster County, VA, Loudoun County, VA, Mathews County, VA, Middlesex County, VA, New Kent County, VA, Northampton County, VA, Northumberland County, VA, Prince William County, VA, Richmond County, VA, Spotsylvania County, VA, Stafford County, VA, Westmoreland County, VA, Berkeley County, WV, Jefferson County, WV, Morgan County, WV

The radar

The Sterling radar (KLWX), 105 km from the middle of the area, began a volume at 19:18 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
May 11, 11:45 AM EDT	Tornado Watch	SPC	Garrett	5 hr
May 11, 2:52 PM EDT	Mesoscale Discussion	SPC	Garrett	113 min
May 11, 6:05 AM EDT	Severe Thunderstorm Watch	SPC	Lee	4 hr
May 11, 6:55 AM EDT	Severe Thunderstorm Watch	SPC	Lee, Russell, Scott, Smyth, Washington, Wise and 2 more	5 hr
May 10, 9:28 PM EDT	Mesoscale Discussion	SPC	Boone, Clay, Fayette, Kanawha, Lincoln, Logan and 6 more	62 min
May 11, 5:16 AM EDT	Mesoscale Discussion	SPC	Wayne	59 min
May 11, 10:30 AM EDT	Mesoscale Discussion	SPC	Brooke, Doddridge, Hancock, Harrison, Marion, Marshall and 9 more	2 hr

Nearby

Mesoscale Discussions in Virginia, 2003 Mesoscale Discussions in Maryland, 2003 Mesoscale Discussions in West Virginia, 2003 Every mesoscale discussion in 2003

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.