Alert archive / Virginia / Wind Advisories in 2011
Wind Advisory 10, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Feb 21, 2011, 3:12 AM EST for Alleghany County, Bath County, City of Covington, Virginia; Mercer County, Monroe County, Summers County, West Virginia. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 21, 2011, 3:12 AM EST (08:12 UTC)
- Expired
- Feb 21, 2011, 9:00 AM EST
- In force
- 6 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, VA, Bath County, VA, City of Covington, VA, Mercer County, WV, Monroe County, WV, Summers County, WV
The radar
The Roanoke radar (KFCX), 77 km from the middle of the area, began a volume at 08:12 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, 8.2 hours before the alert went out and 96 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
- 4504 m above ground
- 0-6 km bulk shear
- 76 kt
- 0-1 km storm-relative helicity
- 389 m²/s²
- 0-3 km storm-relative helicity
- 538 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
433 WWUS71 KRNK 210812 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 312 AM EST MON FEB 21 2011 ...STRONG WINDS ACROSS THE RIDGES THIS MORNING... .WEST TO SOUTHWEST WINDS WILL QUICKLY INCREASE ALONG THE RIDGES THIS MORNING AS WARM FRONT PASSES TO THE NORTH. WIND GUSTS TO 50 MPH MAY OCCUR. VAZ019-020-WVZ042>045-211500- /O.NEW.KRNK.WI.Y.0010.110221T0812Z-110221T1500Z/ ALLEGHANY VA-BATH-MERCER-SUMMERS-MONROE-GREENBRIER- INCLUDING THE CITIES OF...CLIFTON FORGE...COVINGTON... HOT SPRINGS...BLUEFIELD...FLAT TOP...HINTON...HIX...UNION... LEWISBURG...QUINWOOD...DUO...RAINELLE 312 AM EST MON FEB 21 2011 ...WIND ADVISORY IN EFFECT UNTIL 10 AM EST THIS MORNING... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. * LOCATIONS...MAINLY HIGHER ELEVATIONS AND WEST FACING SLOPES. * WINDS...WEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...THROUGH MID MORNING. * IMPACTS...WIND GUSTS MAY BRING DOWN TREES AND CAUSE 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. && $$
1 follow-up statement
856 WWUS71 KRNK 211400 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 900 AM EST MON FEB 21 2011 ...WINDS GRADUALLY DIMINISHING TODAY... .WINDY CONDITIONS WILL CONTINUE TODAY...BUT THE STRONGEST GUSTS WILL REMAIN BELOW 40 MPH. VAZ019-020-WVZ042>045-211500- /O.CAN.KRNK.WI.Y.0010.000000T0000Z-110221T1500Z/ ALLEGHANY VA-BATH-MERCER-SUMMERS-MONROE-GREENBRIER- INCLUDING THE CITIES OF...CLIFTON FORGE...COVINGTON... HOT SPRINGS...BLUEFIELD...FLAT TOP...HINTON...HIX...UNION... LEWISBURG...QUINWOOD...DUO...RAINELLE 900 AM EST MON FEB 21 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND ADVISORY. WEST TO SOUTHWEST WIND GUSTS HAVE DIMINISHED TO AROUND 40 MPH THIS MORNING. THE 40 MPH GUSTS MAY CONTINUE MUCH OF THE DAY TODAY. $$
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.