Alert archive / Virginia / Wind Advisories in 2017

Wind Advisory 3, NWS Blacksburg, VA

January 31, 201711 counties in Virginia

NWS Blacksburg, VA issued this wind advisory at Jan 31, 2017, 3:59 AM EST for 11 counties in Virginia. It took effect at Jan 31, 2017, 11:00 AM EST. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jan 31, 2017, 3:59 AM EST (08:59 UTC)
In effect from
Jan 31, 2017, 11:00 AM EST
Expired
Jan 31, 2017, 3:54 PM EST
In force
5 hr
Issued by
NWS Blacksburg, VA

Counties Alleghany County, VA, Bath County, VA, Botetourt County, VA, City of Buena Vista, VA, City of Covington, VA, City of Lexington, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Roanoke County, VA, Rockbridge County, VA

The radar

The Roanoke radar (KFCX), 77 km from the middle of the area, began a volume at 09:05 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, 9.0 hours before the alert went out and 54 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 2017-01-31Temperature 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 2017-01-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 296 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
1819 m above ground
0-6 km bulk shear
81 kt
0-1 km storm-relative helicity
296 m²/s²
0-3 km storm-relative helicity
373 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

444 
WWUS71 KRNK 310859
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
359 AM EST TUE JAN 31 2017

...STRONG, GUSTY WIND THIS AFTERNOON...

.STRONG WIND ALOFT WILL MIX DOWN TO THE SURFACE THIS AFTERNOON.

VAZ018>020-022>024-312100-
/O.NEW.KRNK.WI.Y.0003.170131T1600Z-170131T2100Z/
CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
INCLUDING THE CITIES OF NEW CASTLE, CLIFTON FORGE, COVINGTON, 
HOT SPRINGS, ROANOKE, SALEM, FINCASTLE, LEXINGTON, 
AND BUENA VISTA
359 AM EST TUE JAN 31 2017

...WIND ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 4 PM EST
THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 4 PM EST
THIS AFTERNOON.

* LOCATIONS...ROANOKE VALLEY AND ALLEGHANY HIGHLANDS, INCLUDING
  ROANOKE, SALEM, HOT SPRINGS, LEXINGTON, BUENA VISTA AND
  COVINGTON.

* HAZARDS...STRONG GUSTY WIND. 

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

* TIMING...LATE THIS MORNING THROUGH THIS AFTERNOON.

* IMPACTS...MINOR PROPERTY DAMAGE AND ISOLATED POWER OUTAGES ARE
  POSSIBLE. TREE LIMBS MAY BE BLOWN DOWN. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH. WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE EXTRA
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$
2 follow-up statements
613 
WWUS71 KRNK 311549
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
1049 AM EST TUE JAN 31 2017

...GUSTY WINDS EXPECTED THIS AFTERNOON...

.STRONG WINDS ALOFT WILL MIX DOWN TO THE SURFACE.

VAZ018>020-022>024-312100-
/O.CON.KRNK.WI.Y.0003.170131T1600Z-170131T2100Z/
CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
INCLUDING THE CITIES OF NEW CASTLE, CLIFTON FORGE, COVINGTON, 
HOT SPRINGS, ROANOKE, SALEM, FINCASTLE, LEXINGTON, 
AND BUENA VISTA
1049 AM EST TUE JAN 31 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* LOCATIONS...ROANOKE VALLEY AND ALLEGHANY HIGHLANDS, INCLUDING 
  ROANOKE, SALEM, HOT SPRINGS, LEXINGTON, BUENA VISTA, AND 
  COVINGTON.

* HAZARDS...GUSTY WINDS.

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

* TIMING...THROUGH THIS AFTERNOON.

* IMPACTS...MINOR PROPERTY DAMAGE AND ISOLATED POWER OUTAGES ARE 
  POSSIBLE. TREE LIMBS MAY BE BLOWN DOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY IS ISSUED WHEN SUSTAINED WINDS ARE FORECAST TO BE
31 TO 39 MPH OR GUSTS WILL RANGE BETWEEN 46 AND 57 MPH. WINDS OF
THESE MAGNITUDES MAY CAUSE MINOR PROPERTY DAMAGE WITHOUT EXTRA
PRECAUTIONS. MOTORISTS IN HIGH PROFILE VEHICLES SHOULD USE EXTRA
CAUTION UNTIL THE WINDS SUBSIDE.

&&

$$

PW
179 
WWUS71 KRNK 312054
NPWRNK

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE BLACKSBURG VA
354 PM EST TUE JAN 31 2017

VAZ018>020-022>024-312200-
/O.CAN.KRNK.WI.Y.0003.000000T0000Z-170131T2100Z/
CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE-
INCLUDING THE CITIES OF NEW CASTLE, CLIFTON FORGE, COVINGTON, 
HOT SPRINGS, ROANOKE, SALEM, FINCASTLE, LEXINGTON, 
AND BUENA VISTA
354 PM EST TUE JAN 31 2017

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND
ADVISORY. WINDS WILL EVENTUALLY SUBSIDE THIS EVENING.

$$

PW

Nearby

Wind Advisories in Virginia, 2017Every wind advisory in 2017

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.