Alert archive / Virginia / Special Weather Statements in 2011

Special Weather Statement, NWS Blacksburg, VA

January 7, 20115 counties in Virginia; 5 counties in North Carolina

NWS Blacksburg, VA issued this special weather statement at Jan 7, 2011, 6:02 AM EST for 5 counties in Virginia; 5 counties in North Carolina. It was in force for 88 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
Jan 7, 2011, 6:02 AM EST (11:02 UTC)
Expired
Jan 7, 2011, 7:30 AM EST
In force
88 min
Issued by
NWS Blacksburg, VA

Counties Alleghany County, NC, Ashe County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Carroll County, VA, City of Galax, VA, Floyd County, VA, Grayson County, VA, Patrick County, VA

The radar

The Roanoke radar (KFCX), 103 km from the middle of the area, began a volume at 11:01 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

Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 11.0 hours before the alert went out and 123 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, Greensboro/Hi Pt, NC at 00:00Z on 2011-01-07Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Greensboro/Hi Pt, NC at 00:00Z on 2011-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 21 square meters per square second.19395878Sfc1 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
1822 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
21 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 Jan 7, 4:59 AM EST, 1 hour 3 minutes earlier.

Area forecast discussion, Jan 7, 4:59 AM EST, 1 hour 3 minutes before
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Hazardous weather outlook, Jan 7, 4:19 AM EST, 1 hour 43 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BLACKSBURG VA
419 AM EST FRI JAN 7 2011

NCZ001-018-VAZ007-009-010-012-015-020-WVZ042>045-081000-
ASHE-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-BATH-MERCER-SUMMERS-
MONROE-GREENBRIER-
419 AM EST FRI JAN 7 2011

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM EST SATURDAY...

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

.DAY ONE...TODAY AND TONIGHT.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER WEATHER ADVISORY.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV ON THE
INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER WEATHER ADVISORY.

ANOTHER STORM SYSTEM ARRIVING EARLY NEXT WEEK COULD
BRING SOME WINTRY WEATHER TO THE AREA.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

NCZ002>006-019-020-VAZ011-013-014-016>019-022>024-032>035-043>047-
058-059-081000-
ALLEGHANY NC-SURRY-STOKES-ROCKINGHAM-CASWELL-WILKES-YADKIN-GILES-
PULASKI-MONTGOMERY-CARROLL-FLOYD-CRAIG-ALLEGHANY VA-ROANOKE-
BOTETOURT-ROCKBRIDGE-PATRICK-FRANKLIN-BEDFORD-AMHERST-HENRY-
PITTSYLVANIA-CAMPBELL-APPOMATTOX-BUCKINGHAM-HALIFAX-CHARLOTTE-
419 AM EST FRI JAN 7 2011

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

.DAY ONE...TODAY AND TONIGHT.

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

A STORM SYSTEM WILL MOVE FROM THE GULF COAST INTO THE SOUTHEAST
COASTAL AREA EARLY NEXT WEEK AND COULD BRING WINTRY WEATHER TO THE
AREA MONDAY INTO TUESDAY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

In the hours before

Special weather statement, Jan 7, 1:48 AM EST, 4 hours 14 minutes before
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Special weather statement, Jan 7, 6:02 AM EST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE BLACKSBURG VA
602 AM EST FRI JAN 7 2011

NCZ001>003-018-019-VAZ009-012>017-032-033-043-071230-
ALLEGHANY NC-ASHE NC-CARROLL VA-FLOYD VA-FRANKLIN VA-GRAYSON VA-
HENRY VA-MONTGOMERY VA-PATRICK VA-PULASKI VA-SMYTH VA-SURRY NC-
WATAUGA NC-WILKES NC-WYTHE VA-
602 AM EST FRI JAN 7 2011

...STRONG WINDS THIS MORNING IN ALLEGHANY...ASHE...CARROLL...
FLOYD...FRANKLIN...GRAYSON...HENRY...MONTGOMERY...PATRICK...
PULASKI...SMYTH...SURRY...WATAUGA...WILKES AND WYTHE COUNTIES...

EXPECT STRONG GUSTY NORTHWEST WINDS THIS MORNING. SUSTAINED WIND
SPEEDS WILL BE 15 TO 30 MPH. WIND GUSTS WILL BE 25 TO 40 MPH.

IN ADDITION...THE STRONG WIND WILL COMBINE WITH THE SNOW SHOWERS IN
THE AREA THIS MORNING...AND MAY CAUSE RAPIDLY CHANGING VISIBILITIES.
BE PREPARED FOR SUDDEN CHANGES IN ROAD CONDITIONS AND VISIBILITIES
IF YOU ARE TRAVELLING THIS MORNING.

WINDS WILL DIMINISH BY EARLY THIS AFTERNOON.

LISTEN TO NOAA WEATHER RADIO OR YOUR FAVORITE MEDIA OUTLET FOR LATER
UPDATES.

LAT...LON 3631 8190 3636 8180 3635 8173 3653 8171
      3663 8161 3666 8163 3718 8018 3711 8017
      3713 8011 3679 7996 3655 8037 3655 8044
      3650 8045 3602 8126 3599 8133 3607 8141
      3611 8155 3611 8181 3618 8185 3621 8191

AMS

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 7, 5:26 PM ESTWinter Storm WarningRNKGrayson35 hr

Nearby

Special Weather Statements in Virginia, 2011Special Weather Statements in North Carolina, 2011Every special weather statement in 2011

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.