Alert archive / Virginia / Mesoscale Discussions in 2004

Mesoscale Discussion 2054

August 19, 20044 states

The Storm Prediction Center issued this mesoscale discussion at Aug 19, 2004, 8:28 PM EDT for 4 states. It was in force for 92 min.

The area

The outline as issued.

The facts

Issued: Aug 19, 2004, 8:28 PM EDT (00:28 UTC)
Expired: Aug 19, 2004, 10:00 PM EDT
In force: 92 min
Issued by: the Storm Prediction Center

All 30 counties

Anne Arundel County, MD, Baltimore County, MD, Carroll County, MD, Cecil County, MD, City of Baltimore, MD, Frederick County, MD, Harford County, MD, Howard County, MD, Kent County, MD, Montgomery County, MD, Prince George's County, MD, Adams County, PA, Arlington County, VA, City of Alexandria, VA, City of Fairfax, VA, City of Falls Church, VA, City of Manassas, VA, City of Manassas Park, VA, Clarke County, VA, Culpeper County, VA, Fairfax County, VA, Fauquier County, VA, Loudoun County, VA, Madison County, VA, Page County, VA, Prince William County, VA, Rappahannock County, VA, Stafford County, VA, Warren County, VA, Jefferson County, WV

The radar

The Sterling radar (KLWX), 22 km from the middle of the area, began a volume at 00:27 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
Aug 20, 4:03 PM EDT	Mesoscale Discussion	SPC	Allegany, Baltimore, Carroll, Frederick, Garrett, Howard and 3 more	2 hr
Aug 20, 4:25 PM EDT	Severe Thunderstorm Watch	SPC	Garrett	5 hr
Aug 20, 7:15 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett	90 min
Aug 20, 11:56 AM EDT	Mesoscale Discussion	SPC	Bradford, Centre, Clinton, Columbia, Lackawanna, Luzerne and 10 more	2 hr
Aug 20, 2:05 PM EDT	Severe Thunderstorm Watch	SPC	Blair, Bradford, Cambria, Cameron, Carbon, Centre and 27 more	5 hr
Aug 20, 3:41 PM EDT	Mesoscale Discussion	SPC	Blair, Bradford, Cambria, Cameron, Carbon, Centre and 27 more	2 hr
Aug 20, 6:10 PM EDT	Severe Thunderstorm Watch	SPC	Bradford, Cameron, Carbon, Centre, Clinton, Columbia and 21 more	5 hr

Nearby

Mesoscale Discussions in Virginia, 2004 Mesoscale Discussions in Maryland, 2004 Mesoscale Discussions in Pennsylvania, 2004 Every mesoscale discussion in 2004

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.