Alert archive / Virginia / Wind Advisories in 2011
Wind Advisory 1, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Jan 1, 2011, 3:51 AM EST for Mercer County, West Virginia; Bland County, Smyth County, Tazewell County, Virginia. It took effect at Jan 1, 2011, 6:00 AM EST. It was in force for 10 hr.
The area
The counties it named.
The facts
- Issued
- Jan 1, 2011, 3:51 AM EST (08:51 UTC)
- In effect from
- Jan 1, 2011, 6:00 AM EST
- Expired
- Jan 1, 2011, 3:43 PM EST
- In force
- 10 hr
- Issued by
- NWS Blacksburg, VA
Counties Bland County, VA, Smyth County, VA, Tazewell County, VA, Mercer County, WV
The radar
The Roanoke radar (KFCX), 95 km from the middle of the area, began a volume at 08:54 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, 8.9 hours before the alert went out and 163 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
- 1360 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 93 m²/s²
- 0-3 km storm-relative helicity
- 130 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
029 WWUS71 KRNK 010851 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 351 AM EST SAT JAN 1 2011 ...STRONG SOUTHERLY WINDS TODAY... .SOUTH WINDS WILL INCREASE AHEAD OF A COLD FRONT APPROACHING FROM THE WEST THIS AFTERNOON. WIND GUSTS TO 50 MPH COULD OCCUR ACROSS THE HIGHER RIDGES AND IN LOCATIONS WHERE USUAL DOWNSLOPE CHANNELING DEVELOPS. VAZ007-009-010-WVZ042-011700- /O.NEW.KRNK.WI.Y.0001.110101T1100Z-110101T2300Z/ TAZEWELL-SMYTH-BLAND-MERCER- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...BLUEFIELD... FLAT TOP 351 AM EST SAT JAN 1 2011 ...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS TO 50 MPH. * TIMING...ESPECIALLY LATE MORNING INTO THIS AFTERNOON. * IMPACTS...WINDS MAY TOPPLE TREES AND CAUSE POWER LINES TO COME DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
2 follow-up statements
679 WWUS71 KRNK 011805 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 105 PM EST SAT JAN 1 2011 ...ZERO VISIBILITY ALONG INTERSTATE 77 THROUGH TONIGHT... .THE COMBINATION OF SNOW COVER AND WARM AIR ALOFT WILL CREATE DENSE FOG AND DANGEROUS CONDITIONS ALONG INTERSTATE 77. RAIN SHOWERS...PERHAPS HEAVY AT TIMES...WITH A COLD FRONT SLOWING ACROSS VIRGINIA WILL ONLY EXACERBATE THE SITUATION TONIGHT. NCZ003-VAZ016-017-032-020215- /O.NEW.KRNK.FG.Y.0001.110101T1805Z-110102T1200Z/ SURRY-CARROLL-FLOYD-PATRICK- INCLUDING THE CITIES OF...DOBSON...GALAX...FLOYD...STUART 105 PM EST SAT JAN 1 2011 ...DENSE FOG ADVISORY IN EFFECT UNTIL 7 AM EST SUNDAY... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A DENSE FOG ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST SUNDAY. * VISIBILITY...ZERO AT TIMES ESPECIALLY ALONG INTERSTATE 77 FROM FANCY GAP TO THE VIRGINIA NORTH CAROLINA STATE LINE. * IMPACTS...DRIVING WILL BE EXTREMELY HAZARDOUS MAINLY ALONG INTERSTATE 77 BUT ALSO POSSIBLY ALONG ROADWAYS WITHIN THE ADVISORY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$ VAZ007-009-010-WVZ042-012300- /O.CON.KRNK.WI.Y.0001.000000T0000Z-110101T2300Z/ TAZEWELL-SMYTH-BLAND-MERCER- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...BLUEFIELD... FLAT TOP 105 PM EST SAT JAN 1 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING... A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING. * WINDS...SOUTH 15 TO 25 MPH WITH GUSTS TO 50 MPH. * TIMING...ESPECIALLY LATE MORNING INTO THIS AFTERNOON. * IMPACTS...WINDS MAY TOPPLE TREES AND CAUSE POWER LINES TO COME DOWN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
767 WWUS71 KRNK 012043 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 343 PM EST SAT JAN 1 2011 ...ZERO VISIBILITY ALONG INTERSTATE 77 THROUGH TONIGHT... .THE COMBINATION OF SNOW COVER AND WARM AIR ALOFT WILL CREATE DENSE FOG AND DANGEROUS CONDITIONS ALONG INTERSTATE 77. RAIN SHOWERS...PERHAPS HEAVY AT TIMES...WITH A COLD FRONT SLOWING ACROSS VIRGINIA WILL ONLY EXACERBATE THE SITUATION TONIGHT. VAZ007-009-010-WVZ042-012145- /O.CAN.KRNK.WI.Y.0001.000000T0000Z-110101T2300Z/ TAZEWELL-SMYTH-BLAND-MERCER- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND...BLUEFIELD... FLAT TOP 343 PM EST SAT JAN 1 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND ADVISORY. $$ NCZ003-VAZ016-017-032-020445- /O.CON.KRNK.FG.Y.0001.000000T0000Z-110102T1200Z/ SURRY-CARROLL-FLOYD-PATRICK- INCLUDING THE CITIES OF...DOBSON...GALAX...FLOYD...STUART 343 PM EST SAT JAN 1 2011 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY... A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SUNDAY. * VISIBILITY...ZERO AT TIMES ESPECIALLY ALONG INTERSTATE 77 FROM FANCY GAP TO THE VIRGINIA NORTH CAROLINA STATE LINE. * IMPACTS...DRIVING WILL BE EXTREMELY HAZARDOUS MAINLY ALONG INTERSTATE 77 BUT ALSO POSSIBLY ALONG ROADWAYS WITHIN THE ADVISORY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN... USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU. && $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 3:50 AM EST | Flood Watch | RNK | Mercer, Summers | 24 hr |
| Jan 1, 1:05 PM EST | Dense Fog Advisory | RNK | Carroll, Floyd, Franklin, Grayson, Patrick, City of Galax | 14 hr |
Nearby
Wind Advisories in Virginia, 2011Wind Advisories in West Virginia, 2011Every wind advisory in 2011
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.