Alert archive / West Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

August 15, 2021Monroe County, West Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 15, 2021, 3:08 PM EDT for Monroe County, West Virginia. It was in force for 37 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 15, 2021, 3:08 PM EDT (19:08 UTC)
Expired: Aug 15, 2021, 3:45 PM EDT
In force: 37 min
Issued by: NWS Blacksburg, VA
Hail: 0.00 in
Wind: 30

County Monroe County, WV

The radar

The Roanoke radar (KFCX), 70 km from the middle of the area, began a volume at 19:10 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 nearest sounding before it

Roanoke, VA (KRNK), launched 12:00Z, 7.1 hours before the alert went out and 99 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 86 J/kg
Mixed-layer CIN: -101 J/kg
Mixed-layer LCL: 845 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 19 m²/s²
0-3 km storm-relative helicity: 40 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

843 
WWUS81 KRNK 151908
SPSRNK

Special Weather Statement
National Weather Service BLACKSBURG VA
308 PM EDT Sun Aug 15 2021
 
VAZ018-WVZ044-507-151945-
Craig VA-Eastern Greenbrier WV-Monroe WV-
308 PM EDT Sun Aug 15 2021

...A strong thunderstorm will impact portions of 
north central Craig, south central Greenbrier and Monroe Counties
through 345 PM EDT...

At 307 PM EDT, Doppler radar was tracking a strong thunderstorm over
Union, moving northeast at 15 mph.

HAZARD...Winds in excess of 30 mph.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around 
         unsecured objects.

Locations impacted include...
Lewisburg...
Ronceverte...
Alderson...
Union...
Paint Bank...
Laurel Branch...
and Pickaway.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building. 

Locally heavy rain will quickly reduce visibility and result in
ponding of water on roadways, standing water in low lying areas, and
minor flooding of creeks, streams, and areas of poor drainage.
Drivers are urged to slow down and use extra caution to avoid
hydroplaning.

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3758 8020 3745 8063 3761 8073 3770 8067
      3785 8048
TIME...MOT...LOC 1907Z 243DEG 13KT 3759 8055 

MAX HAIL SIZE...0.00 IN
MAX WIND GUST...30 MPH

$$

ET

The office that day

Everything else NWS Blacksburg, VA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 14, 8:00 PM EDT	Special Weather Statement	RNK	Bedford	30 min
Aug 14, 8:02 PM EDT	Special Weather Statement	RNK	City of Lexington	28 min
Aug 14, 8:06 PM EDT	Areal Flood Advisory	RNK	Bedford, Campbell	79 min
Aug 14, 8:18 PM EDT	Severe Thunderstorm Warning	RNK	Amherst, Rockbridge, City of Buena Vista	34 min
Aug 14, 8:20 PM EDT	Special Weather Statement	RNK	Buckingham	25 min
Aug 14, 8:25 PM EDT	Areal Flood Advisory	RNK	Smyth	50 min
Aug 14, 8:33 PM EDT	Areal Flood Advisory	RNK	Amherst, Rockbridge, City of Buena Vista, City of Lexington	3 hr
Aug 14, 8:49 PM EDT	Special Weather Statement	RNK	Botetourt	26 min
Aug 14, 8:51 PM EDT	Special Weather Statement	RNK	Buckingham	24 min
Aug 14, 8:54 PM EDT	Special Weather Statement	RNK	Amherst, City of Lynchburg	36 min
Aug 14, 9:18 PM EDT	Special Weather Statement	RNK	Alleghany, City of Covington	27 min
Aug 14, 9:41 PM EDT	Special Weather Statement	RNK	Botetourt	34 min
Aug 14, 9:53 PM EDT	Areal Flood Advisory	RNK	Alleghany, Botetourt, Rockbridge	89 min
Aug 15, 5:12 PM EDT	Special Weather Statement	RNK	City of Danville	33 min
Aug 15, 5:46 PM EDT	Special Weather Statement	RNK	City of Danville	29 min
Aug 15, 6:11 PM EDT	Special Weather Statement	RNK	Pittsylvania	34 min
Aug 15, 6:46 PM EDT	Special Weather Statement	RNK	Pittsylvania	29 min
Aug 15, 7:01 PM EDT	Special Weather Statement	RNK	Franklin	29 min
Aug 15, 7:16 PM EDT	Special Weather Statement	RNK	Pittsylvania	29 min
Aug 15, 7:31 PM EDT	Special Weather Statement	RNK	Franklin	29 min
Aug 15, 7:34 PM EDT	Special Weather Statement	RNK	Giles	26 min
Aug 15, 7:45 PM EDT	Special Weather Statement	RNK	Carroll	30 min
Aug 15, 7:50 PM EDT	Special Weather Statement	RNK	Bedford	25 min
Aug 15, 3:54 PM EDT	Special Weather Statement	RNK	Wilkes	36 min
Aug 15, 4:07 PM EDT	Special Weather Statement	RNK	Caswell	38 min
Aug 15, 4:28 PM EDT	Severe Thunderstorm Warning	RNK	Caswell	62 min
Aug 15, 4:37 PM EDT	Special Weather Statement	RNK	Watauga	23 min
Aug 15, 7:43 PM EDT	Special Weather Statement	RNK	Yadkin	32 min
Aug 15, 3:47 PM EDT	Special Weather Statement	RNK	Monroe	28 min
Aug 15, 4:52 PM EDT	Special Weather Statement	RNK	Mercer	38 min

Nearby

Special Weather Statements in West Virginia, 2021 Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.