Alert archive / Virginia / Wind Advisories in 2012
Wind Advisory 14, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Nov 12, 2012, 5:22 AM EST for Bland County, Smyth County, Tazewell County, Virginia; Mercer County, West Virginia. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Nov 12, 2012, 5:22 AM EST (10:22 UTC)
- Expired
- Nov 12, 2012, 11:51 AM EST
- In force
- 6 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 10:26 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, 10.4 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1527 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 75 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
216 WWUS71 KRNK 121022 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 522 AM EST MON NOV 12 2012 ...STRONG WINDS THIS MORNING... .SOUTH TO SOUTHEAST WINDS WILL CONTINUE TO INCREASE EARLY THIS MORNING AHEAD OF A COLD FRONT APPROACHING FROM THE WEST. WIND GUSTS TO 50 MPH CAN BE EXPECTED. VAZ007-009-010-WVZ042-121700- /O.NEW.KRNK.WI.Y.0014.121112T1022Z-121112T1700Z/ TAZEWELL-SMYTH-BLAND-MERCER- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...BLUEFIELD... FLAT TOP 522 AM EST MON NOV 12 2012 ...WIND ADVISORY IN EFFECT UNTIL NOON EST TODAY... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TODAY. * LOCATIONS...ACROSS THE HIGHER ELEVATIONS...AND IN THE VALLEYS NORTH OF RICH AND CLINCH MOUNTAIN IN TAZEWELL COUNTY. * HAZARDS...STRONG AND GUSTY WINDS. * WINDS...SOUTHERLY 15 TO 25 MPH WITH GUSTS TO 50 MPH. * TIMING...THROUGH MIDDAY. * IMPACTS...TREES AND TREE LIMBS COULD BE DOWNED...LEADING TO POWER OUTAGES. 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. && $$
1 follow-up statement
439 WWUS71 KRNK 121651 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1151 AM EST MON NOV 12 2012 ...THE WIND ADVISORY HAS BEEN CANCELLED... VAZ007-009-010-WVZ042-121800- /O.CAN.KRNK.WI.Y.0014.000000T0000Z-121112T1700Z/ TAZEWELL-SMYTH-BLAND-MERCER- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...BLUEFIELD... FLAT TOP 1151 AM EST MON NOV 12 2012 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND ADVISORY. SURFACE OBSERVATIONS IN THE MOUNTAIN EMPIRE AND EXTREME SOUTHEAST WEST VIRGINIA INDICATE THAT WIND SPEEDS HAVE DIMINISHED BELOW ADVISORY CRITERIA. OCCASIONAL GUSTS OF 25 TO 30 MPH WILL STILL BE POSSIBLE THROUGH THE AFTERNOON. $$
Nearby
Wind Advisories in Virginia, 2012Wind Advisories in West Virginia, 2012Every wind advisory in 2012
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.