Alert archive / Virginia / Wind Advisories in 2021
Wind Advisory 16, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Dec 11, 2021, 3:02 AM EST for 27 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It took effect at Dec 11, 2021, 10:00 AM EST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Dec 11, 2021, 3:02 AM EST (08:02 UTC)
- In effect from
- Dec 11, 2021, 10:00 AM EST
- Expired
- Dec 12, 2021, 4:13 AM EST
- In force
- 18 hr
- Issued by
- NWS Blacksburg, VA
All 30 counties
Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Amherst County, VA, Bath County, VA, Bedford County, VA, Bland County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Covington, VA, City of Galax, VA, City of Lexington, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Giles County, VA, Grayson County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA
The radar
The Roanoke radar (KFCX), 20 km from the middle of the area, began a volume at 08:02 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, 8.0 hours before the alert went out and 80 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
- 768 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 244 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
154 WWUS71 KRNK 110802 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 302 AM EST Sat Dec 11 2021 VAZ011-014-017>020-022>024-033>035-111615- /O.NEW.KRNK.WI.Y.0016.211211T1500Z-211212T1100Z/ Giles-Montgomery-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt- Rockbridge-Franklin-Bedford-Amherst- Including the cities of Pearisburg, Blacksburg, Floyd, New Castle, Clifton Forge, Covington, Hot Springs, Roanoke, Salem, Fincastle, Lexington, Buena Vista, Rocky Mount, Bedford, and Amherst 302 AM EST Sat Dec 11 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 AM EST SUNDAY... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially highest elevations, becoming west this evening. * WHERE...Portions of central, south central, southwest and west central Virginia. * WHEN...From 10 AM this morning to 6 AM EST Sunday. * 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. && $$ NCZ001-018-VAZ007-009-010-012-015-111615- /O.NEW.KRNK.WI.Y.0016.211211T1500Z-211211T2200Z/ Ashe-Watauga-Tazewell-Smyth-Bland-Wythe-Grayson- Including the cities of West Jefferson, Boone, Tazewell, Marion, Bland, Wytheville, Independence, Whitetop, Troutdale, and Volney 302 AM EST Sat Dec 11 2021 ...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 5 PM EST THIS AFTERNOON... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially in the higher elevations. * WHERE...In Virginia, Tazewell, Smyth, Bland, Wythe and Grayson Counties. In North Carolina, Ashe and Watauga Counties. * WHEN...From 10 AM this morning to 5 PM EST this afternoon. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$
5 follow-up statements
902 WWUS71 KRNK 111555 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1055 AM EST Sat Dec 11 2021 VAZ013-016-032-112200- /O.EXA.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Pulaski-Carroll-Patrick- Including the cities of Radford, Pulaski, Galax, and Stuart 1055 AM EST Sat Dec 11 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially highest elevations, becoming west this evening. * WHERE...Portions of central, south central, southwest and west central Virginia. * WHEN...From 10 AM this morning to 6 AM EST Sunday. * 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. && $$ VAZ011-014-017>020-022>024-033>035-112200- /O.CON.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Giles-Montgomery-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt- Rockbridge-Franklin-Bedford-Amherst- Including the cities of Pearisburg, Blacksburg, Floyd, New Castle, Clifton Forge, Covington, Hot Springs, Roanoke, Salem, Fincastle, Lexington, Buena Vista, Rocky Mount, Bedford, and Amherst 1055 AM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially highest elevations, becoming west this evening. * WHERE...Portions of central, south central, southwest and west central Virginia. * WHEN...From 10 AM this morning to 6 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NCZ001-018-VAZ007-009-010-012-015-112200- /O.CON.KRNK.WI.Y.0016.000000T0000Z-211211T2200Z/ Ashe-Watauga-Tazewell-Smyth-Bland-Wythe-Grayson- Including the cities of West Jefferson, Boone, Tazewell, Marion, Bland, Wytheville, Independence, Whitetop, Troutdale, and Volney 1055 AM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially in the higher elevations. * WHERE...In Virginia, Tazewell, Smyth, Bland, Wythe and Grayson Counties. In North Carolina, Ashe and Watauga Counties. * WHEN...From 10 AM this morning to 5 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. && $$
351 WWUS71 KRNK 111926 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 226 PM EST Sat Dec 11 2021 NCZ002-120330- /O.EXA.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Alleghany NC- Including the city of Sparta 226 PM EST Sat Dec 11 2021 ...WIND ADVISORY IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially highest elevations, becoming west this evening. * WHERE...Alleghany NC County. * WHEN...From 10 AM this morning to 6 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ NCZ001-018-VAZ015-120330- /O.EXT.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Ashe-Watauga-Grayson- Including the cities of West Jefferson, Boone, Independence, Whitetop, Troutdale, and Volney 226 PM EST Sat Dec 11 2021 ...WIND ADVISORY NOW IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially in the higher elevations. * WHERE...In Virginia, Tazewell, Smyth, Bland, Wythe and Grayson Counties. In North Carolina, Ashe and Watauga Counties. * WHEN...Until 6 AM EST Sunday. * 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. && $$ VAZ011-013-014-016>020-022>024-032>035-120330- /O.CON.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Giles-Pulaski-Montgomery-Carroll-Floyd-Craig-Alleghany VA-Bath- Roanoke-Botetourt-Rockbridge-Patrick-Franklin-Bedford-Amherst- Including the cities of Pearisburg, Radford, Pulaski, Blacksburg, Galax, Floyd, New Castle, Clifton Forge, Covington, Hot Springs, Roanoke, Salem, Fincastle, Lexington, Buena Vista, Stuart, Rocky Mount, Bedford, and Amherst 226 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially highest elevations, becoming west this evening. * WHERE...Portions of central, south central, southwest and west central Virginia. * WHEN...From 10 AM this morning to 6 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ VAZ007-009-010-012-112200- /O.CON.KRNK.WI.Y.0016.000000T0000Z-211211T2200Z/ Tazewell-Smyth-Bland-Wythe- Including the cities of Tazewell, Marion, Bland, and Wytheville 226 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 5 PM EST THIS AFTERNOON... * WHAT...Southwest winds 10 to 20 mph with gusts up to 50 mph expected, especially in the higher elevations. * WHERE...In Virginia, Tazewell, Smyth, Bland, Wythe and Grayson Counties. In North Carolina, Ashe and Watauga Counties. * WHEN...From 10 AM this morning to 5 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. && $$
282 WWUS71 KRNK 112242 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 542 PM EST Sat Dec 11 2021 NCZ001-002-018-VAZ011-013>020-022>024-032>035-120645- /O.CON.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Ashe-Alleghany NC-Watauga-Giles-Pulaski-Montgomery-Grayson- Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt- Rockbridge-Patrick-Franklin-Bedford-Amherst- Including the cities of West Jefferson, Sparta, Boone, Pearisburg, Radford, Pulaski, Blacksburg, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, New Castle, Clifton Forge, Covington, Hot Springs, Roanoke, Salem, Fincastle, Lexington, Buena Vista, Stuart, Rocky Mount, Bedford, and Amherst 542 PM EST Sat Dec 11 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST SUNDAY... * WHAT...West wind 15 to 30 mph with gusts up to 50 mph expected, especially highest elevations. * WHERE...Portions of central and southwest Virginia mountains and foothills and northwestern North Carolina mountains. * WHEN...Through 6 AM EST Sunday. * IMPACTS...Gusty winds could blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extra caution when driving, especially if operating a high profile vehicle. Secure outdoor objects. && $$ RCS
445 WWUS71 KRNK 120601 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 101 AM EST Sun Dec 12 2021 NCZ001-002-018-VAZ011-013>020-022>024-032>035-121100- /O.CON.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Ashe-Alleghany NC-Watauga-Giles-Pulaski-Montgomery-Grayson- Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt- Rockbridge-Patrick-Franklin-Bedford-Amherst- Including the cities of West Jefferson, Sparta, Boone, Pearisburg, Radford, Pulaski, Blacksburg, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, New Castle, Clifton Forge, Covington, Hot Springs, Roanoke, Salem, Fincastle, Lexington, Buena Vista, Stuart, Rocky Mount, Bedford, and Amherst 101 AM EST Sun Dec 12 2021 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING... * WHAT...West wind 10 to 20- mph with gusts up to 50 mph expected, especially highest elevations. * WHERE...Portions of central and southwest Virginia mountains and foothills and northwestern North Carolina mountains. * WHEN...Through 6 AM EST Sunday. * 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. && ET $$
221 WWUS71 KRNK 120913 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 413 AM EST Sun Dec 12 2021 NCZ001-002-018-VAZ011-013>020-022>024-032>035-121015- /O.CAN.KRNK.WI.Y.0016.000000T0000Z-211212T1100Z/ Ashe-Alleghany NC-Watauga-Giles-Pulaski-Montgomery-Grayson- Carroll-Floyd-Craig-Alleghany VA-Bath-Roanoke-Botetourt- Rockbridge-Patrick-Franklin-Bedford-Amherst- Including the cities of West Jefferson, Sparta, Boone, Pearisburg, Radford, Pulaski, Blacksburg, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, New Castle, Clifton Forge, Covington, Hot Springs, Roanoke, Salem, Fincastle, Lexington, Buena Vista, Stuart, Rocky Mount, Bedford, and Amherst 413 AM EST Sun Dec 12 2021 ...WIND ADVISORY IS CANCELLED... Winds continue to decrease below advisory criteria this morning. A few more hours of sustained winds out of the northwest at 10-15 mph with gusts upwards of 30 mph can be expected along and west of Blue Ridge Parkway through this morning. $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 12:32 PM EST | Special Weather Statement | RNK | Grayson, Smyth, Wythe, City of Galax | 43 min |
| Dec 11, 12:46 PM EST | Special Weather Statement | RNK | Bland, Pulaski, City of Radford | 44 min |
| Dec 11, 12:54 PM EST | Severe Thunderstorm Warning | RNK | Carroll, Floyd, Grayson, Pulaski, Wythe, City of Galax | 51 min |
| Dec 11, 1:03 PM EST | Severe Thunderstorm Warning | RNK | Bland, Giles, Montgomery, Pulaski, Wythe, City of Radford | 40 min |
| Dec 11, 1:09 PM EST | Special Weather Statement | RNK | Craig, Giles | 36 min |
| Dec 11, 3:33 PM EST | Special Weather Statement | RNK | Pittsylvania, City of Martinsville | 27 min |
| Dec 11, 4:06 PM EST | Special Weather Statement | RNK | Appomattox, Campbell, Pittsylvania, City of Danville | 24 min |
| Dec 11, 4:35 PM EST | Special Weather Statement | RNK | Appomattox, Charlotte, Halifax, Pittsylvania, City of Danville | 25 min |
| Dec 11, 5:00 PM EST | Special Weather Statement | RNK | Charlotte, Halifax, City of Danville | 30 min |
| Dec 11, 5:30 PM EST | Special Weather Statement | RNK | Charlotte, Halifax, City of Danville | 30 min |
| Dec 11, 12:35 PM EST | Special Weather Statement | RNK | Alleghany, Ashe, Watauga | 40 min |
| Dec 11, 2:36 PM EST | Special Weather Statement | RNK | Surry | 39 min |
| Dec 11, 3:00 PM EST | Special Weather Statement | RNK | Wilkes | 45 min |
| Dec 11, 3:45 PM EST | Special Weather Statement | RNK | Yadkin | 30 min |
| Dec 11, 3:57 PM EST | Special Weather Statement | RNK | Rockingham, Stokes | 33 min |
| Dec 11, 4:31 PM EST | Special Weather Statement | RNK | Rockingham, Stokes | 29 min |
| Dec 11, 6:01 PM EST | Special Weather Statement | RNK | Caswell | 29 min |
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.