Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

March 1, 20164 counties in Virginia; Greenbrier County, Monroe County, Summers County, West Virginia

NWS Blacksburg, VA issued this special weather statement at Mar 1, 2016, 9:49 PM EST for 4 counties in Virginia; Greenbrier County, Monroe County, Summers County, West Virginia. It was in force for 41 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 1, 2016, 9:49 PM EST (02:49 UTC)
Expired
Mar 1, 2016, 10:30 PM EST
In force
41 min
Issued by
NWS Blacksburg, VA

Counties Bland County, VA, Giles County, VA, Grayson County, VA, Wythe County, VA, Greenbrier County, WV, Monroe County, WV, Summers County, WV

The radar

The Roanoke radar (KFCX), 58 km from the middle of the area, began a volume at 02:53 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 00:00Z, 2.8 hours before the alert went out and 100 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-pSkew-T log-p diagram, Roanoke, VA at 00:00Z on 2016-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Roanoke, VA at 00:00Z on 2016-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 223 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
1733 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
223 m²/s²
0-3 km storm-relative helicity
447 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

747 
WWUS81 KRNK 020249
SPSRNK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
949 PM EST TUE MAR 1 2016
 
VAZ009>012-015-WVZ042>044-507-508-020330-
WYTHE-SMYTH-BLAND-GRAYSON-GILES-EASTERN GREENBRIER-SUMMERS-WESTERN
GREENBRIER-MERCER-MONROE-
949 PM EST TUE MAR 1 2016

...A LINE OF RAIN SHOWERS WITH GUSTY WINDS WILL AFFECT 
GRAYSON...GILES...EASTERN SMYTH...WYTHE...BLAND...SUMMERS...
GREENBRIER...EASTERN MERCER AND MONROE COUNTIES...

AT 946 PM EST...A NARROW LINE OF SHOWERS EXTENDED FROM NEAR
RICHWOOD...TO ALDERSON...TO PRINCETON...MOVING EAST AT 35
MPH.

WINDS OF 30 TO 40 MPH WILL BE POSSIBLE ALONG THE LEADING EDGE OF
THIS LINE OF SHOWERS. PREPARE FOR A PERIOD OF STRONG GUSTY WEST
WINDS. LOOSE OUTDOOR OBJECTS SHOULD BE SECURED AS SOON AS POSSIBLE.
SCATTERED POWER OUTAGES AND A FEW DOWNED TREES MAY ALSO OCCUR.

LOCATIONS IMPACTED INCLUDE...
WYTHEVILLE...
GALAX...
BLAND...
PRINCETON...
AND LEWISBURG. 

 
LAT...LON 3824 8038 3811 8036 3804 8026 3806 7997
      3775 8026 3769 8030 3764 8026 3748 8037
      3742 8048 3736 8045 3727 8050 3711 8093
      3690 8076 3685 8081 3681 8104 3667 8093
      3657 8098 3659 8162 3820 8053 3827 8044
TIME...MOT...LOC 0246Z 294DEG 31KT 3829 8041 3657 8157 
$$

RAB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 9:02 PM ESTSpecial Weather StatementRNKTazewell58 min
Mar 1, 9:20 PM ESTSpecial Weather StatementRNKCity of Galax25 min
Mar 1, 10:36 PM ESTSpecial Weather StatementRNKAlleghany, Bath, Botetourt, Carroll, Craig, Floyd and 10 more54 min

Nearby

Special Weather Statements in Virginia, 2016Special Weather Statements in West Virginia, 2016Every special weather statement in 2016

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.