Alert archive / Virginia / Wind Advisories in 2021
Wind Advisory 14, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Nov 14, 2021, 4:20 AM EST for Alleghany County, Ashe County, Watauga County, North Carolina; 7 counties in Virginia. It took effect at Nov 14, 2021, 4:00 PM EST. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Nov 14, 2021, 4:20 AM EST (09:20 UTC)
- In effect from
- Nov 14, 2021, 4:00 PM EST
- Expired
- Nov 15, 2021, 8:11 AM EST
- In force
- 16 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Carroll County, VA, City of Galax, VA, City of Roanoke, VA, City of Salem, VA, Floyd County, VA, Grayson County, VA, Roanoke County, VA
The radar
The Roanoke radar (KFCX), 50 km from the middle of the area, began a volume at 09:19 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, 9.3 hours before the alert went out and 110 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
- 2010 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 54 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
525 WWUS71 KRNK 140920 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 420 AM EST Sun Nov 14 2021 VAZ015>017-022-142000- /O.NEW.KRNK.WI.Y.0014.211114T2100Z-211115T1400Z/ Grayson-Carroll-Floyd-Roanoke- Including the cities of Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 420 AM EST Sun Nov 14 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 9 AM EST MONDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Grayson, Carroll, Floyd and Roanoke Counties. * WHEN...From 4 PM this afternoon to 9 AM EST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds will occur late this afternoon and overnight. Gusts near 50 mph are most likely at the higher elevations along the Blue Ridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ RAB
4 follow-up statements
116 WWUS71 KRNK 141650 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1150 AM EST Sun Nov 14 2021 NCZ001-002-018-150100- /O.EXA.KRNK.WI.Y.0014.211114T2100Z-211115T1400Z/ Ashe-Alleghany NC-Watauga- Including the cities of West Jefferson, Sparta, and Boone 1150 AM EST Sun Nov 14 2021 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 9 AM EST MONDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Ashe, Alleghany NC and Watauga Counties. * WHEN...From 4 PM this afternoon to 9 AM EST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds will occur late this afternoon and overnight. Gusts near 50 mph are most likely at the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ VAZ015>017-022-150100- /O.CON.KRNK.WI.Y.0014.211114T2100Z-211115T1400Z/ Grayson-Carroll-Floyd-Roanoke- Including the cities of Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 1150 AM EST Sun Nov 14 2021 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 9 AM EST MONDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Grayson, Carroll, Floyd and Roanoke Counties. * WHEN...From 4 PM this afternoon to 9 AM EST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds will occur late this afternoon and overnight. Gusts near 50 mph are most likely at the higher elevations along the Blue Ridge. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
341 WWUS71 KRNK 142104 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 404 PM EST Sun Nov 14 2021 NCZ001-002-018-VAZ015>017-022-150930- /O.CON.KRNK.WI.Y.0014.000000T0000Z-211115T1400Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 404 PM EST Sun Nov 14 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST MONDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...Ashe, Alleghany NC and Watauga Counties. * WHEN...Until 9 AM EST Monday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...The strongest winds will occur late this afternoon and overnight. Gusts near 50 mph are most likely at the higher elevations. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
817 WWUS71 KRNK 150832 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 332 AM EST Mon Nov 15 2021 NCZ001-002-018-VAZ015>017-022-151400- /O.CON.KRNK.WI.Y.0014.000000T0000Z-211115T1400Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 332 AM EST Mon Nov 15 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 9 AM EST THIS MORNING... * WHAT...Northwest winds 15 to 25 mph with gusts up to 50 mph. * WHERE...In Virginia, Grayson, Carroll, Floyd and Roanoke Counties. In North Carolina, Watauga, Ashe and Alleghany NC Counties. * WHEN...Until 9 AM EST this morning. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
232 WWUS71 KRNK 151311 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 811 AM EST Mon Nov 15 2021 NCZ001-002-018-VAZ015>017-022-151415- /O.CAN.KRNK.WI.Y.0014.000000T0000Z-211115T1400Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 811 AM EST Mon Nov 15 2021 ...WIND ADVISORY IS CANCELLED... The threat for widespread winds at advisory levels has ended this morning. Gusty Northwest winds will slowly decrease this morning into this afternoon. The winds this morning could still blow around unsecured objects. $$
Nearby
Wind Advisories in Virginia, 2021Wind Advisories in North Carolina, 2021Every wind advisory in 2021
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.