Alert archive / Virginia / High Wind Warnings in 2011

High Wind Warning 6, NWS Blacksburg, VA

March 9, 2011Bland County, Smyth County, Tazewell County, Virginia; Mercer County, West Virginia

NWS Blacksburg, VA issued this high wind warning at Mar 9, 2011, 3:36 PM EST for Bland County, Smyth County, Tazewell County, Virginia; Mercer County, West Virginia. It was in force for 8 hr. 2 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
Mar 9, 2011, 3:36 PM EST (20:36 UTC)
Expired
Mar 9, 2011, 11:14 PM EST
In force
8 hr
Issued by
NWS Blacksburg, VA

Counties Bland County, VA, Smyth County, VA, Tazewell County, VA, Mercer County, WV

The radar

The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 20:37 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
Mar 9, 4:04 PM ESTNON-TSTM WND DMGTazewell, VATREES DOWN ON DRY FORK ROAD
Mar 9, 4:57 PM ESTNON-TSTM WND GST 60Bluefield, WVBLF ASOS REPORTED A GUST TO 60 MPH.

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 12:00Z, 8.6 hours before the alert went out and 163 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 12:00Z on 2011-03-09Temperature 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 12:00Z on 2011-03-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 468 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
614 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
468 m²/s²
0-3 km storm-relative helicity
714 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.

443 
WWUS71 KRNK 092036
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
336 PM EST WED MAR 9 2011

...GUSTY SOUTHEAST WINDS EXPECTED THROUGH THIS EVENING...

.STRONG SOUTHEAST WIND GUSTS ARE EXPECTED THIS EVENING AHEAD OF AN
APPROACHING STORM SYSTEM.

VAZ007-009-WVZ042-100445-
/O.UPG.KRNK.WI.Y.0015.000000T0000Z-110310T0500Z/
/O.NEW.KRNK.HW.W.0006.110309T2036Z-110310T0500Z/
TAZEWELL-SMYTH-MERCER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLUEFIELD...
FLAT TOP
336 PM EST WED MAR 9 2011

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. THE WIND
ADVISORY IS NO LONGER IN EFFECT. 

* LOCATIONS...LEEWARD SIDE OF THE NORTHEAST TO SOUTHWEST ORIENTED
  RIDGES. 

* HAZARDS...STRONG WIND GUSTS. 

* WINDS...SOUTHEAST 15 TO 30 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...REST OF THIS AFTERNOON THROUGH THIS EVENING.

* IMPACTS...DOWNED TREES AND POWER LINES. 

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.

&&

$$

VAZ010-100445-
/O.NEW.KRNK.HW.W.0006.110309T2036Z-110310T0500Z/
BLAND-
INCLUDING THE CITY OF...BLAND
336 PM EST WED MAR 9 2011

...HIGH WIND WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. 

* LOCATIONS...LEEWARD SIDE OF THE NORTHEAST TO SOUTHWEST ORIENTED
  RIDGES. 

* HAZARDS...STRONG WIND GUSTS. 

* WINDS...SOUTHEAST 15 TO 30 MPH WITH GUSTS UP TO 60 MPH.

* TIMING...REST OF THIS AFTERNOON THROUGH THIS EVENING.

* IMPACTS...DOWNED TREES AND POWER LINES. 

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.

&&

$$
1 follow-up statement
686 
WWUS71 KRNK 100414
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1114 PM EST WED MAR 9 2011


VAZ007-009-010-WVZ042-100515-
/O.CAN.KRNK.HW.W.0006.000000T0000Z-110310T0500Z/
TAZEWELL-SMYTH-BLAND-MERCER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...BLUEFIELD...
FLAT TOP
1114 PM EST WED MAR 9 2011

...HIGH WIND WARNING IS CANCELLED...

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

WINDS HAVE WEAKENED AND SHOULD STAY WELL BELOW ADVISORY AND
WARNING LEVELS TONIGHT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 9, 10:34 AM ESTRiver Flood WarningRNKBotetourt24 hr
Mar 9, 10:34 AM ESTRiver Flood WarningRNKAmherst, Bedford24 hr
Mar 9, 10:34 AM ESTRiver Flood WarningRNKAppomattox, Buckingham, Nelson24 hr
Mar 9, 10:34 AM ESTRiver Flood WarningRNKAlbemarle, Buckingham24 hr
Mar 9, 10:34 AM ESTRiver Flood WarningRNKBuckingham, Fluvanna3 days
Mar 9, 11:07 AM ESTRiver Flood WarningRNKCharlotte, Halifax48 hr
Mar 9, 11:07 AM ESTRiver Flood WarningRNKPittsylvania, City of Danville23 hr
Mar 9, 11:07 AM ESTRiver Flood WarningRNKHalifax23 hr
Mar 9, 11:07 AM ESTRiver Flood WarningRNKHalifax48 hr
Mar 9, 11:14 AM ESTWinter Weather AdvisoryRNKBath4 hr
Mar 9, 2:04 PM ESTAreal Flood WarningRNKBland, Smyth, Tazewell, Wythe7 hr

Nearby

High Wind Warnings in Virginia, 2011High Wind Warnings in West Virginia, 2011Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.