Alert archive / Virginia / Wind Advisories in 2007

Wind Advisory 7, NWS Blacksburg, VA

January 26, 200710 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina

NWS Blacksburg, VA issued this wind advisory at Jan 26, 2007, 2:34 PM EST for 10 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It took effect at Jan 26, 2007, 9:00 PM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued
Jan 26, 2007, 2:34 PM EST (19:34 UTC)
In effect from
Jan 26, 2007, 9:00 PM EST
Expired
Jan 27, 2007, 2:48 AM EST
In force
6 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Bath County, VA, Bland County, VA, Carroll County, VA, City of Covington, VA, City of Galax, VA, Craig County, VA, Giles County, VA, Grayson County, VA, Wythe County, VA

The radar

The Roanoke radar (KFCX), 45 km from the middle of the area, began a volume at 19:39 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, 7.6 hours before the alert went out and 114 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 2007-01-26Temperature 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 2007-01-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 244 square meters per square second.1939587897117Sfc1 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
1050 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
244 m²/s²
0-3 km storm-relative helicity
316 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.

000 
WWUS71 KRNK 261934
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
234 PM EST FRI JAN 26 2007

...STRONG WESTERLY WINDS ALONG THE RIDGES OVERNIGHT...

.THE GRADIENT BETWEEN HIGH PRESSURE TO THE SOUTH AND LOW PRESSURE
WELL TO THE NORTH WILL RESULT IN STRONG WESTERLY WINDS ACROSS THE
HIGHER RIDGES OVERNIGHT. THE STRONGEST WINDS ARE EXPECTED AT
ELEVATIONS ABOVE 3000 FEET.

NCZ001-002-018-VAZ010>012-015-016-018>020-270345-
/O.NEW.KRNK.WI.Y.0007.070127T0200Z-070127T1100Z/
ASHE-ALLEGHANY NC-WATAUGA-BLAND-GILES-WYTHE-GRAYSON-CARROLL-CRAIG-
ALLEGHANY VA-BATH-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
BLAND...PEARISBURG...WYTHEVILLE...INDEPENDENCE...GALAX...
NEW CASTLE...CLIFTON FORGE...HOT SPRINGS
234 PM EST FRI JAN 26 2007

...WIND ADVISORY IN EFFECT FROM 9 PM THIS EVENING TO 6 AM EST
SATURDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 6 AM EST
SATURDAY. 

WEST WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH...WITH GUSTS TO
50 MPH ACROSS THE HIGHEST RIDGES OVERNIGHT.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH ARE
POSSIBLE WITH GUSTS AS HIGH AS  57 MPH. WINDS THIS STRONG CAN
MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES.
USE EXTRA CAUTION.

 

$$
2 follow-up statements
000 
WWUS71 KRNK 270252
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
952 PM EST FRI JAN 26 2007

...STRONG WEST WINDS ALONG THE RIDGES OVERNIGHT...

.THE GRADIENT BETWEEN HIGH PRESSURE TO THE SOUTH AND LOW PRESSURE
WELL TO THE NORTH WILL RESULT IN STRONG WEST WINDS ACROSS THE
HIGHER RIDGES OVERNIGHT. THE STRONGEST WINDS ARE EXPECTED AT
ELEVATIONS ABOVE 3000 FEET.

NCZ001-002-018-VAZ010>012-015-016-018>020-271100-
/O.CON.KRNK.WI.Y.0007.000000T0000Z-070127T1100Z/
ASHE-ALLEGHANY NC-WATAUGA-BLAND-GILES-WYTHE-GRAYSON-CARROLL-CRAIG-
ALLEGHANY VA-BATH-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
BLAND...PEARISBURG...WYTHEVILLE...INDEPENDENCE...GALAX...
NEW CASTLE...CLIFTON FORGE...HOT SPRINGS
952 PM EST FRI JAN 26 2007

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SATURDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SATURDAY. 

WEST WINDS WILL INCREASE TO BETWEEN 20 AND 30 MPH...WITH GUSTS TO
55 MPH ACROSS THE HIGHEST RIDGES OVERNIGHT.

A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH ARE
POSSIBLE WITH GUSTS AS HIGH AS 57 MPH. WINDS THIS STRONG CAN MAKE
DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE
EXTRA CAUTION.

$$

AMS
000 
WWUS71 KRNK 270748
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
248 AM EST SAT JAN 27 2007

...GUSTY WINDS BELOW ADVISORY CRITERIA EARLY THIS MORNING...


NCZ001-002-018-VAZ010>012-015-016-018>020-270900-
/O.CAN.KRNK.WI.Y.0007.000000T0000Z-070127T1100Z/
ASHE-ALLEGHANY NC-WATAUGA-BLAND-GILES-WYTHE-GRAYSON-CARROLL-CRAIG-
ALLEGHANY VA-BATH-
INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE...
BLAND...PEARISBURG...WYTHEVILLE...INDEPENDENCE...GALAX...
NEW CASTLE...CLIFTON FORGE...HOT SPRINGS
248 AM EST SAT JAN 27 2007

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND
ADVISORY. 

WEST WINDS WILL BE STRONG AND GUSTY ON THE RIDGE TOPS EARLY THIS
MORNING...BUT ARE EXPECTED TO REMAIN BELOW ADVISORY LEVELS. THE
HIGHEST GUSTS WILL BE UP TO 40 OR 45 MPH AT ELEVATIONS ABOVE 3000
FEET. 

$$

JJ

Nearby

Wind Advisories in Virginia, 2007Wind Advisories in North Carolina, 2007Every wind advisory in 2007

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.