Alert archive / North Carolina / Wind Advisories in 2011
Wind Advisory 16, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Mar 18, 2011, 7:22 AM EDT for 4 counties in North Carolina; Grayson County, Virginia. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Mar 18, 2011, 7:22 AM EDT (11:22 UTC)
- Expired
- Mar 18, 2011, 11:00 AM EDT
- In force
- 4 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Wilkes County, NC, Grayson County, VA
The radar
The Roanoke radar (KFCX), 118 km from the middle of the area, began a volume at 11:20 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 11.4 hours before the alert went out and 134 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
- 2501 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 28 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.
893 WWUS71 KRNK 181122 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 722 AM EDT FRI MAR 18 2011 ...STRONG GUSTY WINDS THIS MORNING... .WINDS WILL GUSTS 40 TO 50 MPH THIS MORNING. NCZ001-002-018-019-VAZ015-181500- /O.NEW.KRNK.WI.Y.0016.110318T1122Z-110318T1500Z/ ASHE-ALLEGHANY NC-WATAUGA-WILKES-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... WILKESBORO...INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY 722 AM EDT FRI MAR 18 2011 ...WIND ADVISORY IN EFFECT UNTIL 11 AM EDT THIS MORNING... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 11 AM EDT THIS MORNING. * LOCATIONS...NORTHWEST NORTH CAROLINA. * HAZARDS...STRONG GUSTY WINDS. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH. * TIMING...WINDS WILL GRADUALLY DIMINISH THIS AFTERNOON. * IMPACTS...POTENTIAL HAZARD FOR HIGH PROFILE VEHICLES. 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. && $$
1 follow-up statement
006 WWUS71 KRNK 181506 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1106 AM EDT FRI MAR 18 2011 ...WINDS BEGINNING TO SLOWLY DIMINISH... .WINDS WILL CONTINUE TO GUST IN THE 25 TO 35 MPH RANGE THROUGH EARLY AFTERNOON...HOWEVER THEY HAVE DIMINISHED BELOW WIND ADVISORY CRITERIA. THUS THE WIND ADVISORY HAS BEEN ALLOWED TO EXPIRE. NCZ001-002-018-019-VAZ015-181615- /O.EXP.KRNK.WI.Y.0016.000000T0000Z-110318T1500Z/ ASHE-ALLEGHANY NC-WATAUGA-WILKES-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... WILKESBORO...INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY 1106 AM EDT FRI MAR 18 2011 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY IS NO LONGER IN EFFECT. WESTERLY WINDS WILL CONTINUE TO GUST IN THE 25 TO 35 MPH RANGE THROUGH THIS AFTERNOON BUT WILL REMAIN WELL BELOW ADVISORY CRITERIA. $$
Nearby
Wind Advisories in North Carolina, 2011Wind 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.