Alert archive / Virginia / Wind Advisories in 2021
Wind Advisory 1, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Jan 19, 2021, 1:27 PM EST for 5 counties in North Carolina; 9 counties in Virginia. It took effect at Jan 20, 2021, 12:00 AM EST. It was in force for 13 hr.
The area
The counties it named.
The facts
- Issued
- Jan 19, 2021, 1:27 PM EST (18:27 UTC)
- In effect from
- Jan 20, 2021, 12:00 AM EST
- Expired
- Jan 20, 2021, 1:00 PM EST
- In force
- 13 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Surry County, NC, Watauga County, NC, Wilkes County, NC, Carroll County, VA, City of Galax, VA, City of Roanoke, VA, City of Salem, VA, Floyd County, VA, Franklin County, VA, Grayson County, VA, Patrick County, VA, Roanoke County, VA
The radar
The Roanoke radar (KFCX), 49 km from the middle of the area, began a volume at 18:29 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 12:00Z, 6.5 hours before the alert went out and 101 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
- 1717 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 80 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
924 WWUS71 KRNK 191827 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 127 PM EST Tue Jan 19 2021 NCZ001-002-018-VAZ015>017-022-033-200230- /O.NEW.KRNK.WI.Y.0001.210120T0500Z-210120T1800Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke-Franklin- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, Salem, and Rocky Mount 127 PM EST Tue Jan 19 2021 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 1 PM EST WEDNESDAY... * WHAT...West winds 15 to 25 mph with gusts up to 50 mph expected. * WHERE...In Virginia, Grayson, Carroll, Floyd, Roanoke and Franklin Counties. In North Carolina, Ashe, Alleghany NC and Watauga Counties. * WHEN...From midnight tonight to 1 PM EST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Areas in the Grayson Highlands and North Carolina Mountains will also have light snow showers tonight. These snow showers combined with snowfall already on the ground and strong wind could produce poor visibilities with blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
3 follow-up statements
835 WWUS71 KRNK 200238 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 938 PM EST Tue Jan 19 2021 NCZ001-002-018-VAZ015>017-022-033-201100- /O.CON.KRNK.WI.Y.0001.210120T0500Z-210120T1800Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke-Franklin- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, Salem, and Rocky Mount 938 PM EST Tue Jan 19 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST WEDNESDAY... * WHAT...West winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...In Virginia, Grayson, Carroll, Floyd, Roanoke and Franklin Counties. In North Carolina, Ashe, Alleghany NC and Watauga Counties. * WHEN...From midnight tonight to 1 PM EST Wednesday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Areas in the Grayson Highlands and North Carolina Mountains will also have light snow showers late tonight. These snow showers combined with snow already on the ground and strong winds could produce poor visibilities with blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
177 WWUS71 KRNK 200901 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 401 AM EST Wed Jan 20 2021 NCZ003-019-VAZ032-201800- /O.EXA.KRNK.WI.Y.0001.000000T0000Z-210120T1800Z/ Surry-Wilkes-Patrick- Including the cities of Dobson, Wilkesboro, and Stuart 401 AM EST Wed Jan 20 2021 ...WIND ADVISORY IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... * WHAT...West winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...In Virginia, Patrick County. In North Carolina, Surry and Wilkes Counties. * WHEN...Until 1 PM EST this afternoon. * 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. && $$ NCZ001-002-018-VAZ015>017-022-033-201800- /O.CON.KRNK.WI.Y.0001.000000T0000Z-210120T1800Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke-Franklin- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, Salem, and Rocky Mount 401 AM EST Wed Jan 20 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST THIS AFTERNOON... * WHAT...West winds 15 to 30 mph with gusts up to 50 mph expected. * WHERE...In Virginia, Grayson, Carroll, Floyd, Roanoke and Franklin Counties. In North Carolina, Ashe, Alleghany NC and Watauga Counties. * WHEN...Until 1 PM EST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. * ADDITIONAL DETAILS...Areas in the Grayson Highlands and North Carolina Mountains will also have light snow showers this morning. These snow showers, combined with snow already on the ground and strong winds, could produce poor visibilities with blowing snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
201 WWUS71 KRNK 201757 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1257 PM EST Wed Jan 20 2021 NCZ001>003-018-019-VAZ015>017-022-032-033-201900- /O.EXP.KRNK.WI.Y.0001.000000T0000Z-210120T1800Z/ Ashe-Alleghany NC-Surry-Watauga-Wilkes-Grayson-Carroll-Floyd- Roanoke-Patrick-Franklin- Including the cities of West Jefferson, Sparta, Dobson, Boone, Wilkesboro, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, Salem, Stuart, and Rocky Mount 1257 PM EST Wed Jan 20 2021 ...WIND ADVISORY WILL EXPIRE AT 1 PM EST THIS AFTERNOON... West winds will diminish this afternoon into tonight. Widespread wind gusts at wind advisories levels have ended for this afternoon. An isolated wind gust to around 45 mph may be possible in the highest elevations. $$ 07
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.