Alert archive / West Virginia / Mesoscale Discussions in 2011

Mesoscale Discussion 542

April 23, 2011Garrett County, Maryland; 6 counties in Virginia; 19 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Apr 23, 2011, 8:16 PM EDT for Garrett County, Maryland; 6 counties in Virginia; 19 counties in West Virginia. It was in force for 59 min.

The area

The outline as issued.

The facts

Issued: Apr 23, 2011, 8:16 PM EDT (00:16 UTC)
Expired: Apr 23, 2011, 9:15 PM EDT
In force: 59 min
Issued by: the Storm Prediction Center

All 26 counties

Garrett County, MD, City of Winchester, VA, Clarke County, VA, Frederick County, VA, Page County, VA, Shenandoah County, VA, Warren County, VA, Barbour County, WV, Berkeley County, WV, Braxton County, WV, Doddridge County, WV, Gilmer County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Harrison County, WV, Lewis County, WV, Marion County, WV, Mineral County, WV, Pendleton County, WV, Preston County, WV, Randolph County, WV, Taylor County, WV, Tucker County, WV, Upshur County, WV, Webster County, WV

The radar

The Sterling radar (KLWX), 155 km from the middle of the area, began a volume at 00:18 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
Apr 24, 2:12 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more	93 min
Apr 24, 3:40 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 11 more	5 hr
Apr 24, 6:10 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Caroline, Carroll, Cecil, Charles and 9 more	65 min

Nearby

Mesoscale Discussions in West Virginia, 2011 Mesoscale Discussions in Virginia, 2011 Mesoscale Discussions in Maryland, 2011 Every mesoscale discussion in 2011

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.