Alert archive / North Carolina / Wind Advisories in 2012
Wind Advisory 10, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Mar 5, 2012, 4:12 AM EST for Alleghany County, Ashe County, Watauga County, North Carolina; Grayson County, Virginia. It took effect at Mar 5, 2012, 8:00 AM EST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Mar 5, 2012, 4:12 AM EST (09:12 UTC)
- In effect from
- Mar 5, 2012, 8:00 AM EST
- Expired
- Mar 5, 2012, 4:00 PM EST
- In force
- 8 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Grayson County, VA
The radar
The Roanoke radar (KFCX), 118 km from the middle of the area, began a volume at 09:14 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, 9.2 hours before the alert went out and 140 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 2277 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
281 WWUS71 KRNK 050912 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 412 AM EST MON MAR 5 2012 ...STRONG GUSTY WINDS TODAY... .A FAST MOVING ALBERTA CLIPPER WILL MOVE EAST OF THE REGION THIS AFTERNOON. WITH THE PASSAGE OF THIS SYSTEM...WINDS WILL INCREASE WITH STRONG WIND GUSTS BEGINNING THIS MORNING AND CONTINUING THROUGH THE AFTERNOON. NCZ001-002-018-VAZ015-051715- /O.NEW.KRNK.WI.Y.0010.120305T1300Z-120305T2100Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY 412 AM EST MON MAR 5 2012 ...WIND ADVISORY IN EFFECT FROM 8 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 8 AM THIS MORNING TO 4 PM EST THIS AFTERNOON. * LOCATIONS...THE HIGH COUNTRY OF NORTH CAROLINA AND ACROSS THE GRAYSON HIGHLANDS OF VIRGINIA. * HAZARDS...STRONG WIND GUSTS. * WINDS...NORTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH. * TIMING...BEGINNING THIS MORNING AND CONTINUING THROUGH THE AFTERNOON. * IMPACTS...GUSTS OF 50 MPH MAY DOWN TREE LIMBS AND MAKE DRIVING DIFFICULT. 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. && $$
2 follow-up statements
564 WWUS71 KRNK 051937 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 237 PM EST MON MAR 5 2012 ...STRONG GUSTY WINDS TO DIMINISH... .THE CLIPPER IS EAST OF THE AREA AND WINDS SHOULD START TO WANE UNDER ADVISORY LEVELS BY 4 PM...WHICH MEANS GUSTS OVER 45 MPH SHOULD NOT BE AS COMMONPLACE. HIGH PRESSURE BUILDS IN TONIGHT BRINGING WINDS TO UNDER 10 MPH. NCZ001-002-018-VAZ015-052100- /O.CON.KRNK.WI.Y.0010.000000T0000Z-120305T2100Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY 237 PM EST MON MAR 5 2012 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS AFTERNOON... * LOCATIONS...THE HIGH COUNTRY OF NORTH CAROLINA AND ACROSS THE GRAYSON HIGHLANDS OF VIRGINIA. * HAZARDS...STRONG WIND GUSTS. * WINDS...NORTHWEST 20 TO 35 MPH WITH GUSTS UP TO 50 MPH. * TIMING...UNTIL 4 PM TODAY. * IMPACTS...GUSTS OF 50 MPH MAY DOWN TREE LIMBS AND MAKE DRIVING DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS GUSTING OVER 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
874 WWUS71 KRNK 052047 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 347 PM EST MON MAR 5 2012 NCZ001-002-018-VAZ015-052200- /O.EXP.KRNK.WI.Y.0010.000000T0000Z-120305T2100Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY 347 PM EST MON MAR 5 2012 ...WIND ADVISORY WILL EXPIRE AT 4 PM EST THIS AFTERNOON... WINDS WILL BEGIN DIMINISHING AS WE HEAD INTO THE EVENING WITH HIGH PRESSURE MOVING IN. A FEW GUSTS UP TO 45 MPH WILL STILL POSSIBLE UNTIL SUNSET. $$
Nearby
Wind Advisories in North Carolina, 2012Wind Advisories in 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.