Alert archive / Virginia / Wind Advisories in 2011

Wind Advisory 2, NWS Blacksburg, VA

January 11, 201119 counties in Virginia

NWS Blacksburg, VA issued this wind advisory at Jan 11, 2011, 5:55 PM EST for 19 counties in Virginia. It took effect at Jan 11, 2011, 6:00 PM EST. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Jan 11, 2011, 5:55 PM EST (22:55 UTC)
In effect from
Jan 11, 2011, 6:00 PM EST
Expired
Jan 12, 2011, 6:00 PM EST
In force
24 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, VA, Bedford County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Covington, VA, City of Galax, VA, City of Lexington, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 33 km from the middle of the area, began a volume at 22:59 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, 10.9 hours before the alert went out and 53 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 2011-01-11Temperature 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 2011-01-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.1939587897117136Sfc1 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
477 m above ground
0-6 km bulk shear
89 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
357 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.

028 
WWUS71 KRNK 112255
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
555 PM EST TUE JAN 11 2011

...STRONG NORTHWEST WINDS TONIGHT THROUGH WEDNESDAY...

.THE COMBINATION OF LOW PRESSURE DEEPENING OFF THE MID ATLANTIC
COAST AND HIGH PRESSURE BUILDING IN FROM THE WEST WILL CREATE A
VERY STRONG PRESSURE GRADIENT OVER THE AREA THROUGH WEDNESDAY. THE
STRONGEST WINDS WILL OCCUR ACROSS THE HIGHER ELEVATIONS WHERE
GUSTS TO 55 MPH MAY OCCUR.

VAZ014-016-017-120700-
/O.NEW.KRNK.WI.Y.0002.110111T2300Z-110112T2300Z/
MONTGOMERY-CARROLL-FLOYD-
INCLUDING THE CITIES OF...RADFORD...BLACKSBURG...GALAX...FLOYD
555 PM EST TUE JAN 11 2011

...WIND ADVISORY IN EFFECT UNTIL 6 PM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST WEDNESDAY. 


* WINDS...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 50 OR 55 MPH.

* TIMING...TONIGHT THROUGH WEDNESDAY.

* IMPACTS...WINDS MAY CAUSE DOWNED TREES AND POWER LINES.


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
625 
WWUS71 KRNK 120231 AAA
NPWRNK

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE BLACKSBURG VA
931 PM EST TUE JAN 11 2011

...STRONG NORTHWEST WINDS TONIGHT THROUGH WEDNESDAY...

.THE COMBINATION OF LOW PRESSURE DEEPENING OFF THE MID ATLANTIC
COAST AND HIGH PRESSURE BUILDING IN FROM THE WEST WILL CREATE A
VERY STRONG PRESSURE GRADIENT OVER THE AREA THROUGH WEDNESDAY.
THE STRONGEST WINDS WILL OCCUR ACROSS THE HIGHER ELEVATIONS WHERE
GUSTS TO 50 OR 55 MPH MAY OCCUR.

VAZ022>024-121045-
/O.EXA.KRNK.WI.Y.0002.000000T0000Z-110112T2300Z/
ROANOKE-BOTETOURT-ROCKBRIDGE-
INCLUDING THE CITIES OF...ROANOKE...SALEM...FINCASTLE...
LEXINGTON...BUENA VISTA
931 PM EST TUE JAN 11 2011

...WIND ADVISORY IN EFFECT UNTIL 6 PM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST WEDNESDAY. 

* WINDS...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 50 MPH
  ESPECIALLY ACROSS THE HIGHER ELEVATIONS.

* TIMING...TONIGHT THROUGH WEDNESDAY.

* IMPACTS...WINDS MAY CAUSE DOWNED TREES AND POWER LINES.

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.

&&

$$

VAZ014-016-017-121045-
/O.CON.KRNK.WI.Y.0002.000000T0000Z-110112T2300Z/
MONTGOMERY-CARROLL-FLOYD-
INCLUDING THE CITIES OF...RADFORD...BLACKSBURG...GALAX...FLOYD
931 PM EST TUE JAN 11 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST WEDNESDAY. 

* WINDS...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 50 OR 55 
  MPH.

* TIMING...TONIGHT THROUGH WEDNESDAY.

* IMPACTS...WINDS MAY CAUSE DOWNED TREES AND POWER LINES.

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.

&&

$$
251 
WWUS71 KRNK 121236
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
ISSUED BY NATIONAL WEATHER SERVICE RALEIGH NC
736 AM EST WED JAN 12 2011

...STRONG NORTHWEST WINDS TONIGHT THROUGH WEDNESDAY...

.THE COMBINATION OF LOW PRESSURE DEEPENING OFF THE MID ATLANTIC
COAST AND HIGH PRESSURE BUILDING IN FROM THE WEST WILL CREATE A
VERY STRONG PRESSURE GRADIENT OVER THE AREA TODAY THROUGH EARLY 
THURSDAY. THE STRONGEST WINDS WILL OCCUR ACROSS THE HIGHER
ELEVATIONS WHERE GUSTS TO 50 OR 55 MPH MAY OCCUR.

VAZ013-018-019-032>034-130300-
/O.EXB.KRNK.WI.Y.0002.000000T0000Z-110113T1700Z/
PULASKI-CRAIG-ALLEGHANY VA-PATRICK-FRANKLIN-BEDFORD-
INCLUDING THE CITIES OF...PULASKI...NEW CASTLE...CLIFTON FORGE...
COVINGTON...STUART...ROCKY MOUNT...BEDFORD
736 AM EST WED JAN 12 2011

...WIND ADVISORY IN EFFECT UNTIL NOON EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST THURSDAY. 

* WINDS...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 50 MPH 
  ESPECIALLY ACROSS THE HIGHER ELEVATIONS. 

* TIMING...TODAY THROUGH THURSDAY MORNING. 

* IMPACTS...WINDS MAY CAUSE DOWNED TREES AND POWER LINES.

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.

&&

$$

VAZ014-016-017-022>024-130300-
/O.EXT.KRNK.WI.Y.0002.000000T0000Z-110113T1700Z/
MONTGOMERY-CARROLL-FLOYD-ROANOKE-BOTETOURT-ROCKBRIDGE-
INCLUDING THE CITIES OF...RADFORD...BLACKSBURG...GALAX...FLOYD...
ROANOKE...SALEM...FINCASTLE...LEXINGTON...BUENA VISTA
736 AM EST WED JAN 12 2011

...WIND ADVISORY NOW IN EFFECT UNTIL NOON EST THURSDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL NOON EST THURSDAY. 

* WINDS...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 50 OR 55 
  MPH. 

* TIMING...TODAY THROUGH THURSDAY MORNING. 

* IMPACTS...WINDS MAY CAUSE DOWNED TREES AND POWER LINES.

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.

&&

$$

BLAES
670 
WWUS71 KRNK 121413
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
ISSUED BY NATIONAL WEATHER SERVICE RALEIGH NC
913 AM EST WED JAN 12 2011

...STRONG NORTHWEST WINDS TONIGHT THROUGH WEDNESDAY...

.THE COMBINATION OF LOW PRESSURE DEEPENING OFF THE MID ATLANTIC
COAST AND HIGH PRESSURE BUILDING IN FROM THE WEST WILL CREATE A
VERY STRONG PRESSURE GRADIENT OVER THE AREA TODAY THROUGH EARLY
THURSDAY. THE STRONGEST WINDS WILL OCCUR ACROSS THE HIGHER
ELEVATIONS WHERE GUSTS TO 50 OR 55 MPH MAY OCCUR.

VAZ013-018-019-032>034-121515-
/O.CAN.KRNK.WI.Y.0002.000000T0000Z-110113T1700Z/
PULASKI-CRAIG-ALLEGHANY VA-PATRICK-FRANKLIN-BEDFORD-
INCLUDING THE CITIES OF...PULASKI...NEW CASTLE...CLIFTON FORGE...
COVINGTON...STUART...ROCKY MOUNT...BEDFORD
913 AM EST WED JAN 12 2011

...WIND ADVISORY IS CANCELLED...

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



$$

VAZ014-016-017-022>024-122215-
/O.EXT.KRNK.WI.Y.0002.000000T0000Z-110112T2300Z/
MONTGOMERY-CARROLL-FLOYD-ROANOKE-BOTETOURT-ROCKBRIDGE-
INCLUDING THE CITIES OF...RADFORD...BLACKSBURG...GALAX...FLOYD...
ROANOKE...SALEM...FINCASTLE...LEXINGTON...BUENA VISTA
913 AM EST WED JAN 12 2011

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST THIS EVENING...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM EST THIS EVENING. 

* WINDS...NORTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 50 OR 55 
  MPH. 

* TIMING...TODAY THROUGH THURSDAY MORNING.

* IMPACTS...WINDS MAY CAUSE DOWNED TREES AND POWER LINES.

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.

&&

$$
540 
WWUS71 KRNK 122310
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
ISSUED BY NATIONAL WEATHER SERVICE RALEIGH NC
610 PM EST WED JAN 12 2011

VAZ014-016-017-022>024-130015-
/O.EXP.KRNK.WI.Y.0002.000000T0000Z-110112T2300Z/
MONTGOMERY-CARROLL-FLOYD-ROANOKE-BOTETOURT-ROCKBRIDGE-
INCLUDING THE CITIES OF...RADFORD...BLACKSBURG...GALAX...FLOYD...
ROANOKE...SALEM...FINCASTLE...LEXINGTON...BUENA VISTA
610 PM EST WED JAN 12 2011

...WIND ADVISORY HAS EXPIRED...

THE WIND ADVISORY IS NO LONGER IN EFFECT. 

$$

Nearby

Wind Advisories in 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.