Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

August 6, 2016Pittsylvania County, Virginia

NWS Blacksburg, VA issued this special weather statement at Aug 6, 2016, 8:21 PM EDT for Pittsylvania County, Virginia. It was in force for 54 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Aug 6, 2016, 8:21 PM EDT (00:21 UTC)
Expired: Aug 6, 2016, 9:15 PM EDT
In force: 54 min
Issued by: NWS Blacksburg, VA

County Pittsylvania County, VA

The radar

The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 00:21 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.

What was reported inside it

Time	Report	Where	Remark
Aug 6, 8:35 PM EDT	TSTM WND DMG	3 Ene Huddleston, VA	MULTIPLE TREES WERE BLOWN DOWN ALONG BISHOP CREEK ROAD.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 0.4 hours before the alert went out and 33 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: 349 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 1249 m above ground
0-6 km bulk shear: 18 kt
0-1 km storm-relative helicity: 18 m²/s²
0-3 km storm-relative helicity: 11 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

As transmitted.

051 
WWUS81 KRNK 070021
SPSRNK

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
821 PM EDT SAT AUG 6 2016

VAZ033-034-044-045-070115-
CAMPBELL-BEDFORD-PITTSYLVANIA-FRANKLIN-
821 PM EDT SAT AUG 6 2016

...A STRONG THUNDERSTORM WILL AFFECT NORTHEASTERN
PITTSYLVANIA...EAST CENTRAL FRANKLIN...SOUTHWESTERN CAMPBELL AND
SOUTH CENTRAL BEDFORD COUNTIES...

AT 821 PM EDT...A STRONG THUNDERSTORM WAS LOCATED OVER SMITH MOUNTAIN
LAKE STATE PARK...MOVING EAST AT 20 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
ALTAVISTA...
HURT...
GRETNA...
MT AIRY...
AND HUDDLESTON.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY CAUSE
LOCALIZED FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

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.

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO
STATIONS AND AVAILABLE TELEVISION STATIONS FOR ADDITIONAL INFORMATION
AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

LAT...LON 3704 7903 3704 7905 3706 7909 3679 7916
      3680 7917 3711 7974 3723 7952 3706 7902
TIME...MOT...LOC 0021Z 289DEG 17KT 3710 7956 

$$

RAB

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 8:03 PM EDT	Special Weather Statement	RNK	Charlotte	57 min
Aug 6, 8:26 PM EDT	Severe Thunderstorm Warning	RNK	Bedford, Campbell, Franklin, Pittsylvania	64 min
Aug 6, 8:32 PM EDT	Special Weather Statement	RNK	City of Martinsville	43 min
Aug 6, 8:50 PM EDT	Special Weather Statement	RNK	Charlotte, Halifax	55 min
Aug 6, 9:05 PM EDT	Special Weather Statement	RNK	Henry, City of Martinsville	55 min
Aug 6, 9:39 PM EDT	Special Weather Statement	RNK	Halifax, Pittsylvania, City of Danville	66 min
Aug 6, 11:46 PM EDT	Special Weather Statement	RNK	Pittsylvania, City of Danville	59 min
Aug 6, 10:29 PM EDT	Special Weather Statement	RNK	Caswell, Rockingham, Stokes	76 min
Aug 7, 11:36 AM EDT	Special Weather Statement	RNK	Alleghany, Watauga	84 min
Aug 7, 11:41 AM EDT	Flash Flood Watch	RNK	Ashe, Watauga, Wilkes	9 hr
Aug 7, 1:35 PM EDT	Special Weather Statement	RNK	Ashe	55 min

Nearby

Special Weather Statements in Virginia, 2016 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.