Alert archive / Virginia / Wind Advisories in 2011

Wind Advisory 15, NWS Blacksburg, VA

March 8, 2011Smyth County, Tazewell County, Virginia; Mercer County, West Virginia

NWS Blacksburg, VA issued this wind advisory at Mar 8, 2011, 4:32 AM EST for Smyth County, Tazewell County, Virginia; Mercer County, West Virginia. It took effect at Mar 8, 2011, 9:00 PM EST. It was in force for 19 hr.

The area

The counties it named.

The facts

Issued
Mar 8, 2011, 4:32 AM EST (09:32 UTC)
In effect from
Mar 8, 2011, 9:00 PM EST
Expired
Mar 9, 2011, 3:36 PM EST
In force
19 hr
Issued by
NWS Blacksburg, VA

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

The radar

The Roanoke radar (KFCX), 101 km from the middle of the area, began a volume at 09:37 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.

The nearest sounding before it

Roanoke, VA (KRNK), launched 00:00Z, 9.5 hours before the alert went out and 169 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 00:00Z on 2011-03-08Temperature 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 00:00Z on 2011-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 25 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
1906 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
25 m²/s²
0-3 km storm-relative helicity
45 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.

738 
WWUS71 KRNK 080932
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
432 AM EST TUE MAR 8 2011

...GUSTY SOUTHEAST WINDS THROUGH WEDNESDAY NIGHT...

.SOUTHEAST WINDS WILL INCREASE AHEAD OF AN APPROACHING STORM SYSTEM.

VAZ007-009-WVZ042-082030-
/O.NEW.KRNK.WI.Y.0015.110309T0500Z-110310T0500Z/
TAZEWELL-SMYTH-MERCER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLUEFIELD...
FLAT TOP
432 AM EST TUE MAR 8 2011

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT EST
WEDNESDAY NIGHT...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT
EST WEDNESDAY NIGHT. 

* LOCATIONS...HIGHER ELEVATIONS BETWEEN BLUEFIELD AND MARION
  VIRGINIA...INCLUDING TAZEWELL...AND LOCATIONS WHERE SOUTHEAST
  WINDS CHANNEL THROUGH THE VALLEYS. 

* WINDS...SOUTHEAST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...MIDNIGHT TONIGHT THROUGH MIDNIGHT WEDNESDAY NIGHT. THE
  STRONGEST WIND GUSTS ARE EXPECTED TO OCCUR WEDNESDAY AFTERNOON AND
  EVENING.

* IMPACTS...DOWNED TREE LIMBS INTO POWER LINES MAY RESULT IN POWER
  DISRUPTIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
4 follow-up statements
348 
WWUS71 KRNK 082015
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
315 PM EST TUE MAR 8 2011

...GUSTY SOUTHEAST WINDS THROUGH WEDNESDAY NIGHT...

.SOUTHEAST WINDS WILL INCREASE AHEAD OF AN APPROACHING STORM
SYSTEM.

VAZ007-009-WVZ042-090415-
/O.CON.KRNK.WI.Y.0015.110309T0500Z-110310T0500Z/
TAZEWELL-SMYTH-MERCER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLUEFIELD...
FLAT TOP
315 PM EST TUE MAR 8 2011

...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EST WEDNESDAY NIGHT...

A WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT EST WEDNESDAY NIGHT. 

* LOCATIONS...HIGHER ELEVATIONS BETWEEN BLUEFIELD AND MARION 
  VIRGINIA...INCLUDING TAZEWELL...AND LOCATIONS WHERE SOUTHEAST 
  WINDS CHANNEL THROUGH THE VALLEYS. 

* WINDS...SOUTHEAST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...MIDNIGHT TONIGHT THROUGH MIDNIGHT WEDNESDAY NIGHT. THE
  STRONGEST WIND GUSTS ARE EXPECTED TO OCCUR FROM WEDNESDAY
  MORNING INTO WEDNESDAY EVENING.

* IMPACTS...DOWNED TREES OR TREE LIMBS INTO POWER LINES MAY
  RESULT IN POWER DISRUPTIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
314 
WWUS71 KRNK 090151 AAA
NPWRNK

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
851 PM EST TUE MAR 8 2011

...GUSTY SOUTHEAST WINDS THROUGH WEDNESDAY NIGHT...

.SOUTHEAST WINDS WILL INCREASE AHEAD OF AN APPROACHING STORM
SYSTEM TONIGHT AND CONTINUE ON WEDNESDAY.

VAZ007-009-WVZ042-091000-
/O.EXT.KRNK.WI.Y.0015.110309T0200Z-110310T0500Z/
TAZEWELL-SMYTH-MERCER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLUEFIELD...
FLAT TOP
851 PM EST TUE MAR 8 2011

...WIND ADVISORY NOW IN EFFECT UNTIL MIDNIGHT EST WEDNESDAY
NIGHT...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT EST WEDNESDAY
NIGHT. 

* LOCATIONS...HIGHER ELEVATIONS BETWEEN BLUEFIELD AND MARION 
  VIRGINIA...INCLUDING TAZEWELL...AND LOCATIONS WHERE SOUTHEAST 
  WINDS CHANNEL THROUGH THE VALLEYS. 

* WINDS...SOUTHEAST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...THIS EVENING THROUGH MIDNIGHT WEDNESDAY NIGHT. THE
  STRONGEST WIND GUSTS ARE EXPECTED TO OCCUR FROM WEDNESDAY
  MORNING INTO WEDNESDAY EVENING.

* IMPACTS...DOWNED TREES OR TREE LIMBS INTO POWER LINES MAY 
  RESULT IN POWER DISRUPTIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
246 
WWUS71 KRNK 090924
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
424 AM EST WED MAR 9 2011

...GUSTY SOUTHEAST WINDS EXPECTED THROUGH TONIGHT...

.SOUTHEAST WINDS WILL INCREASE AHEAD OF AN APPROACHING STORM
SYSTEM TODAY.

VAZ007-009-WVZ042-092100-
/O.CON.KRNK.WI.Y.0015.000000T0000Z-110310T0500Z/
TAZEWELL-SMYTH-MERCER-
INCLUDING THE CITIES OF...TAZEWELL...MARION...BLUEFIELD...
FLAT TOP
424 AM EST WED MAR 9 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT...

A WIND ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT EST TONIGHT. 

* LOCATIONS...HIGHER ELEVATIONS BETWEEN BLUEFIELD AND MARION 
  VIRGINIA...INCLUDING TAZEWELL...AND LOCATIONS WHERE SOUTHEAST 
  WINDS CHANNEL THROUGH THE VALLEYS. 

* WINDS...SOUTHEAST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH.

* TIMING...THE STRONGEST WIND GUSTS ARE EXPECTED TO OCCUR FROM
  THIS MORNING THROUGH LATE AFTERNOON.

* IMPACTS...DOWNED TREES OR TREE LIMBS INTO POWER LINES MAY 
  RESULT IN POWER DISRUPTIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS 30 TO 40 MPH ARE EXPECTED WITH
GUSTS 45 TO 57 MPH. WINDS THIS STRONG CAN MAKE DRIVING
DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA
CAUTION.

&&

$$
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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 7, 8:11 PM ESTRiver Flood WarningRNKBuckingham, Fluvanna20 hr
Mar 8, 4:20 AM ESTFlood WatchRNKAlleghany, Amherst, Appomattox, Bath, Bedford, Bland and 31 more63 hr

Nearby

Wind Advisories in Virginia, 2011Wind Advisories in West Virginia, 2011Every wind advisory 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.