Alert archive / North Carolina / High Wind Warnings in 2017
High Wind Warning 4, NWS Blacksburg, VA
NWS Blacksburg, VA issued this high wind warning at Dec 13, 2017, 11:31 PM EST for Alleghany County, Ashe County, Watauga County, North Carolina; Grayson County, Virginia. It was in force for 12 hr. 6 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Dec 13, 2017, 11:31 PM EST (04:31 UTC)
- Expired
- Dec 14, 2017, 12:00 PM EST
- In force
- 12 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 04:30 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 14, 3:00 AM EST | NON-TSTM WND DMG | Jefferson, NC | NUMEROUS TREES AND POWER LINES DOWN BETWEEN CRUMPLER AND JEFFERSON. |
| Dec 14, 4:00 AM EST | NON-TSTM WND DMG | Boone, NC | TWO TREES DOWN IN BOONE. |
| Dec 14, 4:30 AM EST | NON-TSTM WND DMG | 5 Ssw Ennice, NC | A COUPLE OF TREES DOWN ALONG FOX RIDGE ROAD. |
| Dec 14, 6:30 AM EST | NON-TSTM WND GST 72 | Jefferson, NC | |
| Dec 14, 7:00 AM EST | NON-TSTM WND DMG | Independence, VA | TREES DOWN ALONG WHITE OAK LANE NEAR INDEPENDENCE. |
| Dec 14, 7:30 AM EST | NON-TSTM WND DMG | Mouth Of Wilson, VA | TREES DOWN ALONG YORK RIDGE ROAD. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 4.5 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2308 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 340 m²/s²
- 0-3 km storm-relative helicity
- 452 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
532 WWUS71 KRNK 140431 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1131 PM EST Wed Dec 13 2017 ...Strong gusty northwest winds expected tonight into midday Thursday... .A fast-moving Alberta Clipper system will progress across the region overnight. Northwest winds will be strong overnight into the morning hours on Thursday. These winds may hamper travelers passing through the Blue Ridge mountains and on Interstate 81 overnight into the morning, as well as produce minor property damage and isolated power outages. Northwest winds ease by Thursday afternoon. NCZ001-002-018-VAZ015-141245- /O.UPG.KRNK.WI.Y.0020.000000T0000Z-171214T1700Z/ /O.NEW.KRNK.HW.W.0004.171214T0431Z-171214T1700Z/ Ashe-Alleghany NC-Watauga-Grayson- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, and Volney 1131 PM EST Wed Dec 13 2017 ...HIGH WIND WARNING IN EFFECT UNTIL NOON EST THURSDAY... The National Weather Service in Blacksburg has upgraded the Wind Advisory to a High Wind Warning, which is in effect until noon EST Thursday. * Locations...The northwest mountains of North Carolina into the Grayson Highlands of Virginia. * Hazards...Strong wind gusts. * Winds...Northwest winds 25 to 35 mph with gusts up to 60 mph. * Timing...Highest winds through the pre-dawn hours, then slowly subsiding through late Thursday morning. * Impacts...Expect some trees and power lines to be blown down. Power outages are likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph are likely to cause power outages...fallen trees... property damage...and dangerous driving conditions for high profile vehicles. Move unfastened items...such as garbage cans and deck furniture...indoors. && $$ VAZ007-010-011-018>020-023-024-WVZ042>044-507-508-141245- /O.EXA.KRNK.WI.Y.0020.000000T0000Z-171214T1700Z/ Tazewell-Bland-Giles-Craig-Alleghany VA-Bath-Botetourt-Rockbridge- Mercer-Summers-Monroe-Eastern Greenbrier-Western Greenbrier- Including the cities of Tazewell, Bland, Pearisburg, New Castle, Clifton Forge, Covington, Hot Springs, Fincastle, Lexington, Buena Vista, Bluefield, Flat Top, Hinton, Hix, Union, Lewisburg, White Sulphur Springs, Alderson, Quinwood, Duo, and Rainelle 1131 PM EST Wed Dec 13 2017 ...WIND ADVISORY IN EFFECT UNTIL NOON EST THURSDAY... The National Weather Service in Blacksburg has issued a Wind Advisory, which is in effect until noon EST Thursday. * Locations...Southeast West Virginia, and portions of Virginia along and west of the Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest winds 20 to 30 mph with gusts up to 55 mph. * Timing...Highest winds through the pre-dawn hours, then slowly subsiding through late Thursday morning. * Impacts...Traveling will be difficult for higher profile vehicles. Some weaker or dead trees could be uprooted, with limbs also likely to break. Isolated power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. && $$ VAZ009-012>014-016-017-022-141245- /O.CON.KRNK.WI.Y.0020.000000T0000Z-171214T1700Z/ Smyth-Wythe-Pulaski-Montgomery-Carroll-Floyd-Roanoke- Including the cities of Marion, Wytheville, Radford, Pulaski, Blacksburg, Galax, Floyd, Roanoke, and Salem 1131 PM EST Wed Dec 13 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST THURSDAY... * Locations...Along and adjacent to the southern Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest winds 20 to 30 mph with gusts up to 55 mph. * Timing...Highest winds through the pre-dawn hours, then slowly subsiding through late Thursday morning. * Impacts...Traveling will be difficult for higher profile vehicles. Some weaker or dead trees could be uprooted, with limbs also likely to break. Isolated power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. && $$
2 follow-up statements
956 WWUS71 KRNK 141057 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 557 AM EST Thu Dec 14 2017 ...Strong northwest winds expected through this morning... .Strong northwest winds associated with a fast-moving Alberta Clipper moving by to our north will persist this morning before gradually diminishing as the low pulls away from the region. These winds may hamper travelers passing through the Blue Ridge mountains and on Interstate 81 overnight into the morning, as well as produce minor property damage and isolated power outages. NCZ001-002-018-VAZ015-141700- /O.CON.KRNK.HW.W.0004.000000T0000Z-171214T1700Z/ Ashe-Alleghany NC-Watauga-Grayson- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, and Volney 557 AM EST Thu Dec 14 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON EST TODAY... * Locations...The northwest mountains of North Carolina into the Grayson Highlands of Virginia. * Hazards...Strong wind gusts. * Winds...Northwest 25 to 35 mph with gusts up to 60 mph. * Timing...Early this morning with winds gradually subsiding by Noon. * Impacts...Expect some trees and power lines to be blown down. Power outages are likely. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Wind Warning means a hazardous high wind event is expected or occurring. Sustained wind speeds of at least 40 mph or gusts of 58 mph are likely to cause power outages...fallen trees... property damage...and dangerous driving conditions for high profile vehicles. Move unfastened items...such as garbage cans and deck furniture...indoors. && $$ VAZ009-012>014-016-017-022-141700- /O.CON.KRNK.WI.Y.0020.000000T0000Z-171214T1700Z/ Smyth-Wythe-Pulaski-Montgomery-Carroll-Floyd-Roanoke- Including the cities of Marion, Wytheville, Radford, Pulaski, Blacksburg, Galax, Floyd, Roanoke, and Salem 557 AM EST Thu Dec 14 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * Locations...Along and adjacent to the southern Blue Ridge. * Hazards...Strong wind gusts. * Winds...West 20 to 30 mph with gusts up to 50 mph. * Timing...Early this morning with winds gradually subsiding by Noon. * Impacts...Traveling will be difficult for higher profile vehicles. Some weaker or dead trees could be uprooted, with limbs also likely to break. Isolated power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. && $$ VAZ007-010-011-018>020-023-024-WVZ042>044-507-508-141700- /O.CON.KRNK.WI.Y.0020.000000T0000Z-171214T1700Z/ Tazewell-Bland-Giles-Craig-Alleghany VA-Bath-Botetourt-Rockbridge- Mercer-Summers-Monroe-Eastern Greenbrier-Western Greenbrier- Including the cities of Tazewell, Bland, Pearisburg, New Castle, Clifton Forge, Covington, Hot Springs, Fincastle, Lexington, Buena Vista, Bluefield, Flat Top, Hinton, Hix, Union, Lewisburg, White Sulphur Springs, Alderson, Quinwood, Duo, and Rainelle 557 AM EST Thu Dec 14 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL NOON EST TODAY... * Locations...Southeast West Virginia, and portions of Virginia along and west of the Blue Ridge. * Hazards...Strong wind gusts. * Winds...West 20 to 30 mph with gusts up to 50 mph. * Timing...Early this morning with winds gradually subsiding by Noon. * Impacts...Traveling will be difficult for higher profile vehicles. Some weaker or dead trees could be uprooted, with limbs also likely to break. Isolated power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. && $$
088 WWUS71 KRNK 141635 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1135 AM EST Thu Dec 14 2017 ...Strong winds have ended... .Wind gusts continue to steadily lower in magnitude late this morning. Though it will be a breezy/blustery day into the afternoon, the strongest wind gusts capable of causing significant adverse impact has since ended. Therefore the High Wind Warning and Wind Advisory will be allowed to expire at noon. NCZ001-002-018-VAZ015-141745- /O.EXP.KRNK.HW.W.0004.000000T0000Z-171214T1700Z/ Ashe-Alleghany NC-Watauga-Grayson- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, and Volney 1135 AM EST Thu Dec 14 2017 ...HIGH WIND WARNING WILL EXPIRE AT NOON EST TODAY... Strong wind gusts have eased, however it will continue to be blustery into the afternoon. With winds and wind gusts below Wind Advisory criteria, the High Wind Warning will be allowed to expire at noon. $$ VAZ009-012>014-016-017-022-141745- /O.EXP.KRNK.WI.Y.0020.000000T0000Z-171214T1700Z/ Smyth-Wythe-Pulaski-Montgomery-Carroll-Floyd-Roanoke- Including the cities of Marion, Wytheville, Radford, Pulaski, Blacksburg, Galax, Floyd, Roanoke, and Salem 1135 AM EST Thu Dec 14 2017 ...WIND ADVISORY WILL EXPIRE AT NOON EST TODAY... Strong wind gusts have eased, however it will continue to be blustery into the afternoon. With winds and wind gusts below Wind Advisory criteria, the Wind Advisory will be allowed to expire at noon. $$ VAZ007-010-011-018>020-023-024-WVZ042>044-507-508-141745- /O.EXP.KRNK.WI.Y.0020.000000T0000Z-171214T1700Z/ Tazewell-Bland-Giles-Craig-Alleghany VA-Bath-Botetourt-Rockbridge- Mercer-Summers-Monroe-Eastern Greenbrier-Western Greenbrier- Including the cities of Tazewell, Bland, Pearisburg, New Castle, Clifton Forge, Covington, Hot Springs, Fincastle, Lexington, Buena Vista, Bluefield, Flat Top, Hinton, Hix, Union, Lewisburg, White Sulphur Springs, Alderson, Quinwood, Duo, and Rainelle 1135 AM EST Thu Dec 14 2017 ...WIND ADVISORY WILL EXPIRE AT NOON EST TODAY... Strong wind gusts have eased, however it will continue to be blustery into the afternoon. With winds and wind gusts below Wind Advisory criteria, the Wind Advisory will be allowed to expire at noon. $$ Loconto
Nearby
High Wind Warnings in North Carolina, 2017High Wind Warnings in Virginia, 2017Every high wind warning in 2017
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.