Alert archive / Virginia / Special Weather Statements in 2021

Special Weather Statement, NWS Blacksburg, VA

March 28, 20219 counties in Virginia; 4 counties in West Virginia

NWS Blacksburg, VA issued this special weather statement at Mar 28, 2021, 2:12 PM EDT for 9 counties in Virginia; 4 counties in West Virginia. It was in force for 63 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: Mar 28, 2021, 2:12 PM EDT (18:12 UTC)
Expired: Mar 28, 2021, 3:15 PM EDT
In force: 63 min
Issued by: NWS Blacksburg, VA

Counties Alleghany County, VA, Bath County, VA, Bland County, VA, City of Covington, VA, Giles County, VA, Grayson County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Greenbrier County, WV, Mercer County, WV, Monroe County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 70 km from the middle of the area, began a volume at 18:15 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, 6.2 hours before the alert went out and 108 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 708 m above ground
0-6 km bulk shear: 61 kt
0-1 km storm-relative helicity: 274 m²/s²
0-3 km storm-relative helicity: 285 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Blacksburg, VA wrote its last area forecast discussion before this special weather statement went out at Mar 28, 11:28 AM EDT, 2 hours 44 minutes earlier.

Area forecast discussion, Mar 28, 11:28 AM EDT, 2 hours 44 minutes before

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Hazardous weather outlook, Mar 28, 4:03 AM EDT, 10 hours 9 minutes before

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In the hours before

Special weather statement, Mar 28, 2:12 PM EDT, 0 minutes before

Special Weather Statement
National Weather Service BLACKSBURG VA
212 PM EDT Sun Mar 28 2021

VAZ007-009>012-015-019-020-023-WVZ042>044-507-508-281915-
Tazewell-Botetourt-Grayson-Wythe-Smyth-Alleghany-Bath-Giles-Bland-
Western Greenbrier-Summers-Eastern Greenbrier-Monroe-Mercer-
212 PM EDT Sun Mar 28 2021

...A LINE OF SHOWERS WILL AFFECT
GILES...SMYTH AND TAZEWELL COUNTIES IN SOUTHWESTERN VIRGINIA...NORTH
CENTRAL BOTETOURT...ALLEGHANY AND BATH COUNTIES IN WEST CENTRAL
VIRGINIA...BLAND...WYTHE AND GRAYSON COUNTIES IN SOUTHWESTERN
VIRGINIA...GREENBRIER...SUMMERS...MERCER AND MONROE COUNTIES IN
SOUTHEASTERN WEST VIRGINIA AND THE CITY OF COVINGTON...

At 211 PM EDT, radar indicated showers were located along a line
extending from 10 miles northeast of Richwood to near Lawn to Nebo.
Movement was east at 35 mph.

Winds in excess of 30 mph are possible with these showers.

Locations impacted include...
Alleghany...
Bluefield...
Wytheville...
Galax...
Bland...
Princeton...
and Marion.

Torrential rainfall is possible with these showers, and may cause
localized flooding. Do not drive your vehicle through flooded
roadways.

LAT...LON 3816 7944 3776 7967 3763 8022 3731 8044
      3712 8097 3688 8074 3681 8104 3656 8084
      3659 8167 3714 8190 3727 8142 3758 8119
      3768 8088 3806 8080 3810 8088 3811 8087
      3827 8044 3804 8021 3806 7996 3827 7980
TIME...MOT...LOC 1811Z 263DEG 37KT 3829 8037 3779 8070 3695 8141

KK

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 28, 12:05 AM EDT	Special Weather Statement	RNK	City of Danville	25 min
Mar 28, 2:35 AM EDT	Special Weather Statement	RNK	Bland, Smyth, Wythe	25 min
Mar 28, 2:43 AM EDT	Areal Flood Advisory	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	3 hr
Mar 28, 2:47 AM EDT	Special Weather Statement	RNK	Smyth	28 min
Mar 28, 3:12 AM EDT	Special Weather Statement	RNK	Bland, Wythe	33 min
Mar 28, 3:58 AM EDT	Wind Advisory	RNK	Alleghany, Amherst, Bath, Bedford, Bland, Botetourt and 21 more	22 hr
Mar 28, 7:52 AM EDT	Areal Flood Advisory	RNK	Smyth, Tazewell	4 hr
Mar 28, 10:05 AM EDT	Areal Flood Advisory	RNK	Tazewell	4 hr
Mar 28, 3:28 PM EDT	Special Weather Statement	RNK	Alleghany, Bath, Botetourt, Craig, Rockbridge, City of Buena Vista and 2 more	62 min
Mar 28, 3:33 PM EDT	Special Weather Statement	RNK	Bedford, Carroll, Floyd, Franklin, Montgomery, Pulaski and 6 more	57 min
Mar 28, 3:54 PM EDT	Special Weather Statement	RNK	Grayson	66 min
Mar 28, 4:33 PM EDT	Special Weather Statement	RNK	Amherst, Bedford, Botetourt, Campbell, Rockbridge, City of Buena Vista and 2 more	72 min
Mar 28, 4:38 PM EDT	Special Weather Statement	RNK	Carroll, Floyd, Franklin, Patrick, City of Galax	82 min
Mar 28, 5:40 PM EDT	Special Weather Statement	RNK	Appomattox, Buckingham, Campbell, City of Lynchburg	80 min
Mar 28, 6:07 PM EDT	Special Weather Statement	RNK	Pittsylvania	53 min
Mar 28, 7:06 PM EDT	Special Weather Statement	RNK	Halifax, Pittsylvania, City of Danville	54 min
Mar 28, 7:59 PM EDT	Special Weather Statement	RNK	Halifax	46 min
Mar 27, 10:12 PM EDT	Special Weather Statement	RNK	Alleghany, Ashe	33 min
Mar 27, 11:07 PM EDT	Special Weather Statement	RNK	Stokes, Surry	23 min
Mar 27, 11:29 PM EDT	Special Weather Statement	RNK	Rockingham, Stokes	31 min
Mar 28, 6:03 PM EDT	Special Weather Statement	RNK	Stokes, Surry, Yadkin	57 min

Nearby

Special Weather Statements in Virginia, 2021 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.