Alert archive / North Carolina / High Wind Warnings in 2013

High Wind Warning 3, NWS Blacksburg, VA

February 3, 2013Ashe County, Watauga County, North Carolina; Grayson County, Virginia

NWS Blacksburg, VA issued this high wind warning at Feb 3, 2013, 5:44 PM EST for Ashe County, Watauga County, North Carolina; Grayson County, Virginia. It was in force for 10 hr. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 3, 2013, 5:44 PM EST (22:44 UTC)
Expired
Feb 4, 2013, 3:45 AM EST
In force
10 hr
Issued by
NWS Blacksburg, VA

Counties Ashe County, NC, Watauga County, NC, Grayson County, VA

The radar

The Roanoke radar (KFCX), 125 km from the middle of the area, began a volume at 22:45 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

TimeReportWhereRemark
Feb 3, 7:35 PM ESTNON-TSTM WND GST 58Boone, NCWIND GUST MEASURED AT KTNB
Feb 3, 8:17 PM ESTSNOW 12Beech Mountain, NC
Feb 3, 11:47 PM ESTSNOW 9Sugar Grove, NC

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

The nearest sounding before it

Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 10.7 hours before the alert went out and 147 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 12:00Z on 2013-02-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 joules per kilogram.LCLLFCEL10008507005003002001001 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, Greensboro/Hi Pt, NC at 12:00Z on 2013-02-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 20 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
3 J/kg
Mixed-layer CIN
-29 J/kg
Mixed-layer LCL
867 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
20 m²/s²
0-3 km storm-relative helicity
52 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.

085 
WWUS71 KRNK 032244
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
544 PM EST SUN FEB 3 2013

NCZ001-018-VAZ015-040645-
/O.NEW.KRNK.HW.W.0003.130203T2244Z-130204T1200Z/
ASHE-WATAUGA-GRAYSON-
INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...INDEPENDENCE...
WHITETOP...TROUTDALE...VOLNEY
544 PM EST SUN FEB 3 2013

...HIGH WIND WARNING IN EFFECT UNTIL 7 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 7 AM EST MONDAY.

* LOCATIONS...HIGHEST ELEVATIONS OF NORTHWESTERN NORTH CAROLINA
  AND GRAYSON COUNTY VIRGINIA.

* HAZARDS...STRONG WIND GUSTS.

* WINDS...WINDS GUSTING TO 65 MPH.

* TIMING...STRONGEST WINDS WILL BE FROM NOW TO MIDNIGHT.

* IMPACTS...TREES AND POWER LINES WILL BE TOPPLED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH ARE LIKELY TO CAUSE SPORADIC POWER OUTAGES...FALLEN
TREES...MINOR PROPERTY DAMAGE...AND DANGEROUS DRIVING CONDITIONS
FOR HIGH PROFILE VEHICLES. RESIDENTS SHOULD MOVE UNFASTENED
ITEMS...SUCH AS GARBAGE CANS AND DECK FURNITURE...INDOORS.

&&

$$
3 follow-up statements
110 
WWUS71 KRNK 032244 CCA
NPWRNK

URGENT - WEATHER MESSAGE...CORRECTED
NATIONAL WEATHER SERVICE BLACKSBURG VA
544 PM EST SUN FEB 3 2013

NCZ001-018-VAZ015-040645-
/O.COR.KRNK.HW.W.0003.130203T2244Z-130204T1200Z/
ASHE-WATAUGA-GRAYSON-
INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...INDEPENDENCE...
WHITETOP...TROUTDALE...VOLNEY
544 PM EST SUN FEB 3 2013

...HIGH WIND WARNING IN EFFECT UNTIL 7 AM EST MONDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 7 AM EST MONDAY.

* LOCATIONS...HIGHEST ELEVATIONS OF NORTHWESTERN NORTH CAROLINA
  AND GRAYSON COUNTY VIRGINIA.

* HAZARDS...STRONG WIND GUSTS.

* WINDS...WINDS GUSTING TO 65 MPH.

* TIMING...STRONGEST WINDS WILL BE FROM NOW TO MIDNIGHT.

* IMPACTS...TREES AND POWER LINES WILL BE TOPPLED. LOW
  VISIBILITIES AND WHITEOUT CONDITIONS ARE LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH ARE LIKELY TO CAUSE SPORADIC POWER OUTAGES...FALLEN
TREES...MINOR PROPERTY DAMAGE...AND DANGEROUS DRIVING CONDITIONS
FOR HIGH PROFILE VEHICLES. RESIDENTS SHOULD MOVE UNFASTENED
ITEMS...SUCH AS GARBAGE CANS AND DECK FURNITURE...INDOORS.

&&

$$
957 
WWUS71 KRNK 040610
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
110 AM EST MON FEB 4 2013


NCZ001-018-VAZ015-041200-
/O.CON.KRNK.HW.W.0003.000000T0000Z-130204T1200Z/
ASHE-WATAUGA-GRAYSON-
INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...INDEPENDENCE...
WHITETOP...TROUTDALE...VOLNEY
110 AM EST MON FEB 4 2013

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

* LOCATIONS...HIGHEST ELEVATIONS OF NORTHWESTERN NORTH CAROLINA 
  AND GRAYSON COUNTY VIRGINIA.

* HAZARDS...STRONG WIND GUSTS.

* WINDS...WINDS GUSTING TO 65 MPH.

* TIMING...STRONGEST WINDS WILL BE EARLY THIS MORNING.

* IMPACTS...TREES AND POWER LINES WILL BE TOPPLED. LOW 
  VISIBILITIES AND WHITEOUT CONDITIONS ARE LIKELY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS
OF 58 MPH ARE LIKELY TO CAUSE SPORADIC POWER OUTAGES...FALLEN
TREES...MINOR PROPERTY DAMAGE...AND DANGEROUS DRIVING CONDITIONS
FOR HIGH PROFILE VEHICLES. RESIDENTS SHOULD MOVE UNFASTENED
ITEMS...SUCH AS GARBAGE CANS AND DECK FURNITURE...INDOORS.

&&

$$

07
266 
WWUS71 KRNK 040845
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
345 AM EST MON FEB 4 2013


NCZ001-018-VAZ015-040945-
/O.CAN.KRNK.HW.W.0003.000000T0000Z-130204T1200Z/
ASHE-WATAUGA-GRAYSON-
INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...INDEPENDENCE...
WHITETOP...TROUTDALE...VOLNEY
345 AM EST MON FEB 4 2013

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE HIGH
WIND WARNING.

WINDS HAVE DIMINISHED.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 2, 11:46 PM ESTWinter Storm WarningRNKAshe, Watauga16 hr
Feb 3, 3:17 PM ESTWinter Weather AdvisoryRNKAshe, Watauga10 hr

Nearby

High Wind Warnings in North Carolina, 2013High Wind Warnings in Virginia, 2013Every high wind warning in 2013

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.