Alert archive / Virginia / Special Weather Statements in 2016

Special Weather Statement, NWS Blacksburg, VA

November 30, 2016Bland County, Smyth County, Tazewell County, Virginia

NWS Blacksburg, VA issued this special weather statement at Nov 30, 2016, 10:56 AM EST for Bland County, Smyth County, Tazewell County, Virginia. It was in force for 64 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: Nov 30, 2016, 10:56 AM EST (15:56 UTC)
Expired: Nov 30, 2016, 12:00 PM EST
In force: 64 min
Issued by: NWS Blacksburg, VA

Counties Bland County, VA, Smyth County, VA, Tazewell County, VA

The radar

The Roanoke radar (KFCX), 122 km from the middle of the area, began a volume at 15:55 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, 3.9 hours before the alert went out and 190 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: 105 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 487 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 330 m²/s²
0-3 km storm-relative helicity: 500 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.6

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 Nov 30, 9:54 AM EST, 1 hour 2 minutes earlier.

Area forecast discussion, Nov 30, 9:54 AM EST, 1 hour 2 minutes before

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Hazardous weather outlook, Nov 30, 4:42 AM EST, 6 hours 14 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
442 AM EST WED NOV 30 2016

NCZ001>006-018>020-VAZ007-009>020-022>024-032>035-043>047-058-059-
WVZ042>044-507-508-010945-
ASHE-ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WATAUGA-WILKES-
YADKIN-TAZEWELL-SMYTH-BLAND-GILES-WYTHE-PULASKI-MONTGOMERY-GRAYSON-
CARROLL-FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-PITTSYLVANIA-CAMPBELL-
APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-MERCER-SUMMERS-MONROE-
EASTERN GREENBRIER-WESTERN GREENBRIER-
442 AM EST WED NOV 30 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL NORTH
CAROLINA...NORTHWEST NORTH CAROLINA...CENTRAL VIRGINIA...SOUTH
CENTRAL VIRGINIA...SOUTHWEST VIRGINIA...WEST CENTRAL VIRGINIA AND
SOUTHEAST WEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT.

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

In the hours before

Special weather statement, Nov 30, 7:29 AM EST, 3 hours 27 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
729 AM EST WED NOV 30 2016

NCZ001-002-VAZ007-009-010-012-015-WVZ042-043-301330-
ALLEGHANY-ASHE-SMYTH-TAZEWELL-WYTHE-BLAND-GRAYSON-SUMMERS-MERCER-
729 AM EST WED NOV 30 2016

...A LINE OF STRONG THUNDERSTORMS WILL AFFECT
ASHE AND ALLEGHANY COUNTIES IN NORTHWESTERN NORTH CAROLINA...
GRAYSON...TAZEWELL...SMYTH...WYTHE AND BLAND COUNTIES IN SOUTHWESTERN
VIRGINIA...SUMMERS AND MERCER COUNTIES IN SOUTHEASTERN WEST
VIRGINIA...

AT 727 AM EST...RADAR INDICATED STRONG THUNDERSTORMS WERE LOCATED
ALONG A LINE EXTENDING FROM JEWELL RIDGE TO NEAR ALLISON GAP TO NEAR
ABINGDON...MOVING EAST AT 50 MPH.

WINDS IN EXCESS OF 40 MPH ARE POSSIBLE WITH THESE STORMS.

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

THIS INCLUDES THE FOLLOWING LOCATION MERCER COUNTY AIRPORT.

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

LAT...LON 3717 8187 3724 8174 3727 8142 3758 8119
      3779 8070 3735 8085 3727 8101 3718 8086
      3711 8093 3698 8083 3685 8087 3681 8104
      3667 8093 3649 8097 3637 8168 3641 8174
      3664 8161 3693 8183 3696 8178
TIME...MOT...LOC 1227Z 253DEG 43KT 3740 8180 3689 8187 3639 8200

RAB

Special weather statement, Nov 30, 8:31 AM EST, 2 hours 25 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
831 AM EST WED NOV 30 2016

VAZ010>013-WVZ042>044-301400-
PULASKI-WYTHE-BLAND-GILES-SUMMERS-MERCER-MONROE-
831 AM EST WED NOV 30 2016

...A LINE OF SHOWERS WILL AFFECT NORTHWESTERN
PULASKI...GILES...NORTH CENTRAL WYTHE...EASTERN BLAND... SOUTHERN
SUMMERS...WESTERN MONROE AND EASTERN MERCER COUNTIES...

AT 830 AM EST...RADAR INDICATED SHOWERS WERE LOCATED ALONG A LINE
EXTENDING FROM PIPESTEM RESORT STATE PARK TO NEAR FAVONIA. MOVEMENT
WAS NORTHEAST AT 50 MPH. BRIEF...LOCALLY HEAVY RAIN IS EXPECTED.

WINDS IN EXCESS OF 30 MPH ARE POSSIBLE WITH THESE SHOWERS.

LOCATIONS IMPACTED INCLUDE...
PULASKI...
WYTHEVILLE...
BLAND...
PRINCETON...
AND PEARISBURG.

LAT...LON 3771 8058 3710 8067 3689 8121 3760 8103
      3772 8063
TIME...MOT...LOC 1330Z 245DEG 42KT 3755 8100 3698 8114

DS

Special weather statement, Nov 30, 10:56 AM EST, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 30, 7:29 AM EST	Special Weather Statement	RNK	Bland, Grayson, Smyth, Tazewell, Wythe	61 min
Nov 30, 8:31 AM EST	Special Weather Statement	RNK	Bland, Giles	29 min
Nov 30, 11:50 AM EST	Special Weather Statement	RNK	Bland, Giles, Tazewell	55 min
Nov 30, 11:54 AM EST	Special Weather Statement	RNK	Grayson	66 min
Nov 30, 12:56 PM EST	Special Weather Statement	RNK	Alleghany, Bath, City of Covington	64 min
Nov 30, 4:53 PM EST	Special Weather Statement	RNK	Floyd, Montgomery, City of Radford, City of Roanoke, City of Salem	52 min
Nov 30, 5:37 PM EST	Special Weather Statement	RNK	Amherst, Bedford, Botetourt, Franklin, City of Buena Vista, City of Lynchburg	53 min
Nov 30, 6:08 PM EST	Special Weather Statement	RNK	Henry, Patrick, City of Martinsville	52 min
Nov 30, 6:52 PM EST	Special Weather Statement	RNK	Appomattox, Buckingham, Campbell	53 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.