Alert archive / Virginia / Mesoscale Discussions in 2021

Mesoscale Discussion 969

June 14, 2021Allegany County, Garrett County, Washington County, Maryland; 9 counties in Virginia; 8 counties in West Virginia

The Storm Prediction Center issued this mesoscale discussion at Jun 14, 2021, 3:55 PM EDT for Allegany County, Garrett County, Washington County, Maryland; 9 counties in Virginia; 8 counties in West Virginia. It was in force for 65 min.

The area

The outline as issued.

The facts

Issued: Jun 14, 2021, 3:55 PM EDT (19:55 UTC)
Expired: Jun 14, 2021, 5:00 PM EDT
In force: 65 min
Issued by: the Storm Prediction Center
Concerning: Severe potential...severe thunderstorm watch likely
Chance of a watch: 95%

Counties Allegany County, MD, Garrett County, MD, Washington County, MD, City of Winchester, VA, Clarke County, VA, Fauquier County, VA, Frederick County, VA, Loudoun County, VA, Page County, VA, Rappahannock County, VA, Shenandoah County, VA, Warren County, VA, Berkeley County, WV, Grant County, WV, Hampshire County, WV, Hardy County, WV, Jefferson County, WV, Mineral County, WV, Morgan County, WV, Pendleton County, WV

The radar

The Sterling radar (KLWX), 101 km from the middle of the area, began a volume at 19:58 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 watches that followed

Watches SPC issued over any of the same counties within four hours of this discussion.

The text

As transmitted.

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SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 14, 11:31 AM EDT	Mesoscale Discussion	SPC	Allegany, Garrett	89 min
Jun 14, 3:59 PM EDT	Severe Thunderstorm Watch	SPC	Allegany, Garrett, Washington	6 hr
Jun 14, 6:41 PM EDT	Mesoscale Discussion	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 13 more	2 hr
Jun 14, 7:29 PM EDT	Severe Thunderstorm Watch	SPC	Anne Arundel, Baltimore, Calvert, Caroline, Carroll, Cecil and 15 more	6 hr
Jun 14, 7:37 PM EDT	Mesoscale Discussion	SPC	Allegany, Garrett	113 min
Jun 14, 11:46 AM EDT	Severe Thunderstorm Watch	SPC	Brooke, Hancock, Marion, Marshall, Monongalia, Ohio and 2 more	6 hr
Jun 14, 3:25 PM EDT	Mesoscale Discussion	SPC	Brooke, Marshall, Ohio	95 min
Jun 14, 4:52 PM EDT	Severe Thunderstorm Watch	SPC	Barbour, Doddridge, Harrison, Lewis, Marion, Marshall and 11 more	6 hr

Nearby

Mesoscale Discussions in Virginia, 2021 Mesoscale Discussions in West Virginia, 2021 Mesoscale Discussions in Maryland, 2021 Every mesoscale discussion in 2021

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.