Alert archive / Virginia / Wind Advisories in 2017
Wind Advisory 19, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Dec 11, 2017, 2:39 PM EST for Alleghany County, Ashe County, Watauga County, North Carolina; 7 counties in Virginia. It took effect at Dec 12, 2017, 4:00 AM EST. It was in force for 27 hr.
The area
The counties it named.
The facts
- Issued
- Dec 11, 2017, 2:39 PM EST (19:39 UTC)
- In effect from
- Dec 12, 2017, 4:00 AM EST
- Expired
- Dec 13, 2017, 7:00 AM EST
- In force
- 27 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 19:41 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 12:00Z, 7.7 hours before the alert went out and 121 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
- 1097 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 212 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
172 WWUS71 KRNK 111939 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 239 PM EST Mon Dec 11 2017 ...Strong northwest winds Tuesday into Tuesday night... .An arctic cold front will cross the region from the northwest early Tuesday. Strong northwest winds will develop behind the front on Tuesday and continue into Tuesday night as the pressure gradient between low pressure to the north and high pressure to the southwest increases. This may result in winds gusting over 50 mph especially across the higher elevations. NCZ001-002-018-VAZ015>017-022-120345- /O.NEW.KRNK.WI.Y.0019.171212T0900Z-171213T1200Z/ 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 239 PM EST Mon Dec 11 2017 ...WIND ADVISORY IN EFFECT FROM 4 AM TUESDAY TO 7 AM EST WEDNESDAY... The National Weather Service in Blacksburg has issued a Wind Advisory, which is in effect from 4 AM Tuesday to 7 AM EST Wednesday. * Locations...Along the southern Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...Tuesday morning into late Tuesday night, with the strongest winds Tuesday afternoon and evening. * 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. && $$
7 follow-up statements
566 WWUS71 KRNK 120419 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1119 PM EST Mon Dec 11 2017 ...Strong northwest winds Tuesday into Tuesday night... .An arctic cold front will cross the region from the northwest early Tuesday. Strong northwest winds will develop behind the front on Tuesday and continue into Tuesday night as the pressure gradient between low pressure to the north and high pressure to the southwest increases. This may result in winds gusting over 50 mph especially across the higher elevations. NCZ001-002-018-VAZ015>017-022-121200- /O.CON.KRNK.WI.Y.0019.171212T0900Z-171213T1200Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 1119 PM EST Mon Dec 11 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 AM TUESDAY TO 7 AM EST WEDNESDAY... * Locations...Along the southern Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...Tuesday morning into late Tuesday night, with the strongest winds Tuesday afternoon and evening. * Impacts...Traveling will be difficult for higher profile vehicles. Some weaker or dead trees could be uprooted, with limbs also likely to break. Isolated power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. && $$
293 WWUS71 KRNK 120837 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 337 AM EST Tue Dec 12 2017 ...Strong northwest winds through tonight... .An arctic cold front will cross the region this morning. Strong northwest winds will develop behind the front and continue into tonight as the pressure gradient between low pressure to the north and high pressure to the southwest increases. This will result in winds gusting over 50 mph especially across the higher elevations. NCZ001-002-018-VAZ015>017-022-121645- /O.CON.KRNK.WI.Y.0019.171212T0900Z-171213T1200Z/ 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 337 AM EST Tue Dec 12 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... * Locations...Along and adjacent to the Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...This morning through early Wednesday morning. The strongest winds will occur late this afternoon and evening. * 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. The public is encouraged to report wind damage to the National Weather Service via email at rnk.skywarn@noaa.gov...through Facebook or Twitter...or by calling 1...8 6 6...2 1 5...4 3 2 4. Pictures are greatly appreciated. && $$
945 WWUS71 KRNK 121502 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1002 AM EST Tue Dec 12 2017 ...Strong northwest winds through tonight... .An Arctic cold front will move east of the region this afternoon. Strong northwest winds will develop behind the front and continue into tonight as the pressure gradient between low pressure to the north and high pressure to the southwest increases. This will result in winds gusting over 50 mph especially across the higher elevations. NCZ001-002-018-VAZ015>017-022-122315- /O.CON.KRNK.WI.Y.0019.000000T0000Z-171213T1200Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 1002 AM EST Tue Dec 12 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... * Locations...Along and adjacent to the Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...Today through early Wednesday morning. The strongest winds will occur late this afternoon and evening. * Impacts...Traveling will be difficult for higher profile vehicles. Some weaker or dead trees could be uprooted, with limbs also likely to break. Isolated power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. The public is encouraged to report wind damage to the National Weather Service via email at rnk.skywarn@noaa.gov...through Facebook or Twitter...or by calling 1...8 6 6...2 1 5...4 3 2 4. Pictures are greatly appreciated. && $$
179 WWUS71 KRNK 121951 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 251 PM EST Tue Dec 12 2017 ...Strong northwest winds through tonight... .Strong northwest winds will continue to develop into tonight as the pressure gradient between low pressure to the north and high pressure to the southwest increases. This will result in winds gusting over 50 mph especially across the higher elevations along and adjacent to the Blue Ridge. NCZ001-002-018-VAZ015>017-022-130400- /O.CON.KRNK.WI.Y.0019.000000T0000Z-171213T1200Z/ 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 251 PM EST Tue Dec 12 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... * Locations...Along and adjacent to the Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...This afternoon through early Wednesday morning. The strongest winds will occur early this evening. * 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. The public is encouraged to report wind damage to the National Weather Service via email at rnk.skywarn@noaa.gov...through Facebook or Twitter...or by calling 1...8 6 6...2 1 5...4 3 2 4. Pictures are greatly appreciated. && $$ Loconto
728 WWUS71 KRNK 130229 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 929 PM EST Tue Dec 12 2017 ...Strong northwest winds overnight... .Strong northwest winds will continue overnight as the pressure gradient between low pressure to the north and high pressure to the southwest increases. This will result in winds gusting over 50 mph especially across the higher elevations along and adjacent to the Blue Ridge. NCZ001-002-018-VAZ015>017-022-131030- /O.CON.KRNK.WI.Y.0019.000000T0000Z-171213T1200Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 929 PM EST Tue Dec 12 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST WEDNESDAY... * Locations...Along and adjacent to the Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...overnight through early Wednesday morning. The strongest winds will occur tonight. * Impacts...Traveling will be difficult for higher profile vehicles. Some weaker or dead trees could be uprooted, with limbs also likely to break. Isolated power outages possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. The public is encouraged to report wind damage to the National Weather Service via email at rnk.skywarn@noaa.gov...through Facebook or Twitter...or by calling 1...8 6 6...2 1 5...4 3 2 4. Pictures are greatly appreciated. && $$
542 WWUS71 KRNK 130935 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 435 AM EST Wed Dec 13 2017 ...Strong northwest winds early this morning... .Strong northwest winds will continue through daybreak then begin to diminish...the result of a pressure gradient between low pressure to the northeast and high pressure to our southwest. Wind gusts near 50 mph can be expected across the higher elevations...along and adjacent to the Blue Ridge. NCZ001-002-018-VAZ015>017-022-131200- /O.CON.KRNK.WI.Y.0019.000000T0000Z-171213T1200Z/ 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 435 AM EST Wed Dec 13 2017 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING... * Locations...Along and adjacent to the Blue Ridge. * Hazards...Strong wind gusts. * Winds...Northwest 20 to 30 mph with gusts up to 50 mph. * Timing...through daybreak this 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. The public is encouraged to report wind damage to the National Weather Service via email at rnk.skywarn@noaa.gov...through Facebook or Twitter...or by calling 1...8 6 6...2 1 5...4 3 2 4. Pictures are greatly appreciated. && $$
775 WWUS71 KRNK 131215 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 715 AM EST Wed Dec 13 2017 NCZ001-002-018-VAZ015>017-022-131315- /O.EXP.KRNK.WI.Y.0019.000000T0000Z-171213T1200Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 715 AM EST Wed Dec 13 2017 ...WIND ADVISORY HAS EXPIRED... $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 11, 2:39 PM EST | Winter Weather Advisory | RNK | Ashe, Watauga | 36 hr |
Nearby
Wind Advisories in Virginia, 2017Wind Advisories in North Carolina, 2017Every wind advisory 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.