Alert archive / Virginia / Wind Advisories in 2017
Wind Advisory 4, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Feb 8, 2017, 4:35 AM EST for Alleghany County, Ashe County, Watauga County, North Carolina; 7 counties in Virginia. It took effect at Feb 9, 2017, 7:00 AM EST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Feb 8, 2017, 4:35 AM EST (09:35 UTC)
- In effect from
- Feb 9, 2017, 7:00 AM EST
- Expired
- Feb 8, 2017, 3:29 PM EST
- In force
- 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 09:37 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, 9.6 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
- 6 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1395 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 102 m²/s²
- 0-3 km storm-relative helicity
- 176 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
523 WWUS71 KRNK 080935 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 435 AM EST Wed Feb 8 2017 ...Strong winds expected on Thursday... .Strong, gusty northwest winds are expected to develop as a storm system exits the region early Thursday. Strongest winds are expected from mid morning into the afternoon as mostly sunny skies and cold temperatures aloft support frequent gusts. Winds subside late Thursday afternoon into early evening as pressure gradient relaxes. NCZ001-002-018-VAZ015>017-022-081730- /O.NEW.KRNK.WI.Y.0004.170209T1200Z-170210T0000Z/ 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 Feb 8 2017 ...WIND ADVISORY IN EFFECT FROM 7 AM TO 7 PM EST THURSDAY... The National Weather Service in Blacksburg has issued a Wind Advisory...which is in effect from 7 AM to 7 PM EST Thursday. * Locations...The spine of the Blue Ridge from Roanoke, VA to Boone, NC. * Hazards...Strong, gusty northwest winds. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...Gusty winds begin to develop by early morning Thursday, with the strongest wind gusts expected from mid-morning into the afternoon. Wind gusts then lower by early evening Thursday. * Impacts...Minor property damage and isolated power outages are possible. Tree limbs may be blown down. Travel may be difficult for high profile vehicles. 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. && $$ Loconto
2 follow-up statements
735 WWUS71 KRNK 081532 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 1032 AM EST Wed Feb 8 2017 ...Strong winds expected on Thursday... .Strong, gusty northwest winds are expected to develop as a storm system exits the region early Thursday. Strongest winds are expected from mid morning into the afternoon as mostly sunny skies and cold temperatures aloft support frequent gusts. Winds subside late Thursday afternoon into early evening as pressure gradient relaxes. NCZ001-002-018-VAZ015>017-022-082345- /O.CON.KRNK.WI.Y.0004.170209T1200Z-170210T0000Z/ Ashe-Alleghany NC-Watauga-Grayson-Carroll-Floyd-Roanoke- Including the cities of West Jefferson, Sparta, Boone, Independence, Whitetop, Troutdale, Volney, Galax, Floyd, Roanoke, and Salem 1032 AM EST Wed Feb 8 2017 ...WIND ADVISORY REMAINS IN EFFECT FROM 7 AM TO 7 PM EST THURSDAY... * Locations...The spine of the Blue Ridge from Roanoke, VA to Boone, NC. * Hazards...Strong, gusty northwest winds. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...Gusty winds begin to develop by early morning Thursday, with the strongest wind gusts expected from mid-morning into the afternoon. Wind gusts will then lower by early evening Thursday. * Impacts...Minor property damage and isolated power outages are possible. Tree limbs may be blown down. Travel may be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. && $$
606 WWUS71 KRNK 082029 NPWRNK URGENT - WEATHER MESSAGE National Weather Service Blacksburg VA 329 PM EST Wed Feb 8 2017 ...Strong winds expected on Thursday... .Strong, gusty northwest winds are expected to develop as a storm system exits the region early Thursday. Strongest winds are expected from early morning into the afternoon as decreasing cloud cover and cold temperatures aloft support frequent gusts. Winds will gradually subside Thursday evening as the pressure gradient slowly relaxes. NCZ001-002-018-VAZ015>017-022-090430- /O.UPG.KRNK.WI.Y.0004.170209T1200Z-170210T0000Z/ /O.NEW.KRNK.HW.W.0001.170209T0900Z-170210T0500Z/ 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 329 PM EST Wed Feb 8 2017 ...HIGH WIND WARNING IN EFFECT FROM 4 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT... The National Weather Service in Blacksburg has issued a High Wind Warning...which is in effect from 4 AM Thursday to midnight EST Thursday night. The Wind Advisory is no longer in effect. * Locations...The spine of the Blue Ridge from Roanoke, VA to Boone, NC. * Hazards...Potentially damaging northwest winds. * Winds...Northwest 25 to 35 mph with gusts up to 60 mph. * Timing...Gusty winds will begin to develop by early morning Thursday, with the strongest wind gusts expected from mid- morning into the afternoon. Wind gusts will then gradually lower during the evening Thursday. * Impacts...Some property damage and power outages are possible. Trees or large tree limbs may be blown down. Travel may be very difficult for high profile vehicles, especially those traveling on southwest to northeast oriented roads. 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. && $$ NCZ003-019-VAZ009>014-018>020-023-024-032>035-090430- /O.NEW.KRNK.WI.Y.0005.170209T0900Z-170210T0500Z/ Surry-Wilkes-Smyth-Bland-Giles-Wythe-Pulaski-Montgomery-Craig- Alleghany VA-Bath-Botetourt-Rockbridge-Patrick-Franklin-Bedford- Amherst- Including the cities of Dobson, Wilkesboro, Marion, Bland, Pearisburg, Wytheville, Radford, Pulaski, Blacksburg, New Castle, Clifton Forge, Covington, Hot Springs, Fincastle, Lexington, Buena Vista, Stuart, Rocky Mount, Bedford, and Amherst 329 PM EST Wed Feb 8 2017 ...WIND ADVISORY IN EFFECT FROM 4 AM THURSDAY TO MIDNIGHT EST THURSDAY NIGHT... The National Weather Service in Blacksburg has issued a Wind Advisory...which is in effect from 4 AM Thursday to midnight EST Thursday night. * Locations...Portions of the New River Valley into the Alleghany Highlands, as well as the foothills along the Blue Ridge. * Hazards...Strong, gusty northwest winds. * Winds...Northwest 20 to 30 mph with gusts up to 55 mph. * Timing...Gusty winds will begin to develop by early morning Thursday, with the strongest wind gusts expected from mid- morning into the afternoon. Wind gusts will then gradually lower during the evening Thursday. * Impacts...Minor property damage and isolated power outages are possible. Tree limbs may be blown down. Travel may be difficult for high profile vehicles. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Wind Advisory is issued when sustained winds are forecast to be 31 to 39 MPH or gusts will range between 46 and 57 MPH. Winds of these magnitudes may cause minor property damage without extra precautions. Motorists in high profile vehicles should use extra caution until the winds subside. && $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 8, 3:29 PM EST | High Wind Warning | RNK | Alleghany, Ashe, Watauga | 24 hr |
| Feb 8, 3:29 PM EST | Wind Advisory | RNK | Alleghany, Ashe, Surry, Watauga, Wilkes | 33 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.