Alert archive / Virginia / Wind Advisories in 2011
Wind Advisory 25, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Oct 19, 2011, 4:09 AM EDT for Mercer County, West Virginia; Ashe County, Watauga County, North Carolina; 5 counties in Virginia. It took effect at Oct 20, 2011, 12:00 AM EDT. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Oct 19, 2011, 4:09 AM EDT (08:09 UTC)
- In effect from
- Oct 20, 2011, 12:00 AM EDT
- Expired
- Oct 20, 2011, 3:10 PM EDT
- In force
- 15 hr
- Issued by
- NWS Blacksburg, VA
Counties Ashe County, NC, Watauga County, NC, Bland County, VA, Grayson County, VA, Smyth County, VA, Tazewell County, VA, Wythe County, VA, Mercer County, WV
The radar
The Roanoke radar (KFCX), 98 km from the middle of the area, began a volume at 08:12 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, 8.2 hours before the alert went out and 155 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
- 110 J/kg
- Mixed-layer CIN
- -90 J/kg
- Mixed-layer LCL
- 1636 m above ground
- 0-6 km bulk shear
- 57 kt
- 0-1 km storm-relative helicity
- 46 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
084 WWUS71 KRNK 190809 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 409 AM EDT WED OCT 19 2011 ...VERY GUSTY WINDS EXPECTED TONIGHT AND THURSDAY... .VERY GUSTY WINDS ARE EXPECTED TONIGHT AND THURSDAY ON THE BACKSIDE OF A DEPARTING LOW PRESSURE CENTER AND ITS TRAILING COLD FRONT. NCZ001-018-VAZ007-009-010-012-015-WVZ042-191615- /O.NEW.KRNK.WI.Y.0025.111020T0400Z-111020T2000Z/ ASHE-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...TAZEWELL... MARION...BLAND...WYTHEVILLE...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...BLUEFIELD...FLAT TOP 409 AM EDT WED OCT 19 2011 ...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM EDT THURSDAY. * LOCATIONS...THE MOUNTAIN EMPIRE REGION OF SOUTHWEST VIRGINIA AND THE HIGHER ELEVATIONS OF NORTHWEST NORTH CAROLINA. * HAZARDS...GUSTY WINDS MAY DOWN SMALL TREES WHERE THE GROUND IS SATURATED FROM RECENT RAINS AND BREAK OFF BRANCHES. * WINDS...SOUTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT INTO THURSDAY. * IMPACTS...POSSIBLE DOWNED BRANCHES...SMALL TREES AND POWER LINES 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. && $$ 07
6 follow-up statements
050 WWUS71 KRNK 191605 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1205 PM EDT WED OCT 19 2011 ...VERY GUSTY WINDS EXPECTED TONIGHT AND THURSDAY... .VERY GUSTY WINDS ARE EXPECTED TONIGHT AND THURSDAY ON THE BACKSIDE OF A DEPARTING LOW PRESSURE CENTER AND ITS TRAILING COLD FRONT. NCZ001-018-VAZ007-009-010-012-015-WVZ042-200015- /O.CON.KRNK.WI.Y.0025.111020T0400Z-111020T2000Z/ ASHE-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...TAZEWELL... MARION...BLAND...WYTHEVILLE...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...BLUEFIELD...FLAT TOP 1205 PM EDT WED OCT 19 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM EDT THURSDAY... * LOCATIONS...THE MOUNTAIN EMPIRE REGION OF SOUTHWEST VIRGINIA AND THE HIGHER ELEVATIONS OF NORTHWEST NORTH CAROLINA. * HAZARDS...GUSTY WINDS MAY DOWN SMALL TREES WHERE THE GROUND IS SATURATED FROM RECENT RAINS AND BREAK OFF BRANCHES. * WINDS...SOUTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT INTO THURSDAY. * IMPACTS...POSSIBLE DOWNED BRANCHES...SMALL TREES AND POWER LINES PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WIND ADVISORY MEANS THAT WINDS GUSTING OVER 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SUCH AS TRACTOR TRAILERS...USE EXTRA CAUTION IF TRAVELING ACROSS THE HIGHER ELEVATIONS. && $$
750 WWUS71 KRNK 191934 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 334 PM EDT WED OCT 19 2011 ...VERY GUSTY WINDS EXPECTED TONIGHT AND THURSDAY... .VERY GUSTY WINDS ARE EXPECTED TONIGHT AND THURSDAY ON THE BACKSIDE OF A DEPARTING LOW PRESSURE CENTER AND ITS TRAILING COLD FRONT. NCZ001-018-VAZ007-009-010-012-015-WVZ042-200345- /O.CON.KRNK.WI.Y.0025.111020T0400Z-111020T2000Z/ ASHE-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...TAZEWELL... MARION...BLAND...WYTHEVILLE...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...BLUEFIELD...FLAT TOP 334 PM EDT WED OCT 19 2011 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 4 PM EDT THURSDAY... * LOCATIONS...THE MOUNTAIN EMPIRE REGION OF SOUTHWEST VIRGINIA AND THE HIGHER ELEVATIONS OF NORTHWEST NORTH CAROLINA. * HAZARDS...GUSTY WINDS MAY DOWN SMALL TREES WHERE THE GROUND IS SATURATED FROM RECENT RAINS AND BREAK OFF BRANCHES. * WINDS...SOUTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT INTO THURSDAY. * IMPACTS...POSSIBLE DOWNED BRANCHES...SMALL TREES AND POWER LINES PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WIND ADVISORY MEANS THAT WINDS GUSTING OVER 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES...SUCH AS TRACTOR TRAILERS... USE EXTRA CAUTION IF TRAVELING ACROSS THE HIGHER ELEVATIONS. && $$ RCS
003 WWUS71 KRNK 200144 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 944 PM EDT WED OCT 19 2011 ...VERY GUSTY WINDS EXPECTED TONIGHT AND THURSDAY... .VERY GUSTY WINDS ARE EXPECTED TONIGHT AND THURSDAY ON THE BACKSIDE OF A DEPARTING LOW PRESSURE CENTER AND ITS TRAILING COLD FRONT. NCZ001-018-VAZ007-009-010-012-015-WVZ042-200945- /O.CON.KRNK.WI.Y.0025.111020T0400Z-111020T2000Z/ ASHE-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...TAZEWELL... MARION...BLAND...WYTHEVILLE...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...BLUEFIELD...FLAT TOP 944 PM EDT WED OCT 19 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THURSDAY... * LOCATIONS...THE MOUNTAIN EMPIRE REGION OF SOUTHWEST VIRGINIA AND THE HIGHER ELEVATIONS OF NORTHWEST NORTH CAROLINA. * HAZARDS...GUSTY WINDS MAY DOWN SMALL TREES WHERE THE GROUND IS SATURATED FROM RECENT RAINS AND BREAK OFF BRANCHES. * WINDS...SOUTHWEST 15 TO 30 MPH WITH GUSTS UP TO 50 MPH. * TIMING...TONIGHT INTO THURSDAY. * IMPACTS...POSSIBLE DOWNED BRANCHES...SMALL TREES AND POWER LINES PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WIND ADVISORY MEANS THAT WINDS GUSTING OVER 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES...SUCH AS TRACTOR TRAILERS... USE EXTRA CAUTION IF TRAVELING ACROSS THE HIGHER ELEVATIONS. && $$
764 WWUS71 KRNK 200813 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 413 AM EDT THU OCT 20 2011 ...VERY GUSTY WINDS EXPECTED TODAY... .VERY GUSTY WINDS ARE EXPECTED TODAY WITH A DEEPENING LOW PRESSURE LOCATED OVER THE OHIO VALLEY. NCZ001-018-VAZ007-009-010-012-015-WVZ042-201615- /O.CON.KRNK.WI.Y.0025.000000T0000Z-111020T2000Z/ ASHE-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...TAZEWELL... MARION...BLAND...WYTHEVILLE...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...BLUEFIELD...FLAT TOP 413 AM EDT THU OCT 20 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * LOCATIONS...THE MOUNTAIN EMPIRE REGION OF SOUTHWEST VIRGINIA... INTO MERCER COUNTY WEST VIRGINIA. ALSO THE HIGHER ELEVATIONS OF NORTHWEST NORTH CAROLINA. * HAZARDS...GUSTY WINDS MAY DOWN SMALL TREES WHERE THE GROUND IS SATURATED FROM RECENT RAINS AND BREAK OFF BRANCHES. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH. * TIMING...THROUGH TODAY. * IMPACTS...POSSIBLE DOWNED BRANCHES...SMALL TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WIND ADVISORY MEANS THAT WINDS GUSTING OVER 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES...SUCH AS TRACTOR TRAILERS... USE EXTRA CAUTION IF TRAVELING ACROSS THE HIGHER ELEVATIONS. && $$
310 WWUS71 KRNK 201606 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1206 PM EDT THU OCT 20 2011 ...STRONG GUSTY WINDS EXPECTED THROUGH THE AFTERNOON... .STRONG GUSTY WINDS ARE EXPECTED THROUGH THE AFTERNOON AS LOW PRESSURE CONTINUES TO CHURN OVER THE OHIO VALLEY. NCZ001-018-VAZ007-009-010-012-015-WVZ042-202000- /O.CON.KRNK.WI.Y.0025.000000T0000Z-111020T2000Z/ ASHE-WATAUGA-TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER- INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE...TAZEWELL... MARION...BLAND...WYTHEVILLE...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...BLUEFIELD...FLAT TOP 1206 PM EDT THU OCT 20 2011 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON... * LOCATIONS...THE MOUNTAIN EMPIRE REGION OF SOUTHWEST VIRGINIA...INTO MERCER COUNTY WEST VIRGINIA. ALSO THE HIGHER ELEVATIONS OF NORTHWEST NORTH CAROLINA. * HAZARDS...GUSTY WINDS MAY DOWN SMALL TREES WHERE THE GROUND IS SATURATED FROM RECENT RAINS AND BREAK OFF BRANCHES. * WINDS...WEST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH. * TIMING...THROUGH TODAY. * IMPACTS...POSSIBLE DOWNED BRANCHES...SMALL TREES AND POWER LINES. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS WIND ADVISORY MEANS THAT WINDS GUSTING OVER 45 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES...SUCH AS TRACTOR TRAILERS... USE EXTRA CAUTION IF TRAVELING ACROSS THE HIGHER ELEVATIONS. && $$
167 WWUS71 KRNK 201910 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 310 PM EDT THU OCT 20 2011 ...WINDS WILL GRADUALLY DIMINISH THIS AFTERNOON AND EVENING... ...FREEZING CONDITIONS EXPECTED IN THE NORTHWEST NORTH CAROLINA MOUNTAINS LATE FRIDAY NIGHT INTO SATURDAY MORNING... NCZ001-018-210800- /O.CAN.KRNK.WI.Y.0025.000000T0000Z-111020T2000Z/ /O.NEW.KRNK.FZ.A.0002.111022T0600Z-111022T1400Z/ ASHE-WATAUGA- INCLUDING THE CITIES OF...WEST JEFFERSON...BOONE 310 PM EDT THU OCT 20 2011 ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING. THE WIND ADVISORY HAS BEEN CANCELLED. * LOCATIONS...THE VALLEYS OF THE NORTHWEST NORTH CAROLINA MOUNTAINS. * HAZARDS....NEAR FREEZING TO SUB-FREEZING TEMPERATURES. * TIMING...LATE FRIDAY NIGHT INTO EARLY SATURDAY MORNING. * IMPACTS...TEMPERATURES NEAR OR BELOW FREEZING MAY SEVERELY DAMAGE OR KILL CROPS AND OTHER SENSITIVE VEGETATION LEFT OUTSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ VAZ007-009-010-012-015-WVZ042-202015- /O.CAN.KRNK.WI.Y.0025.000000T0000Z-111020T2000Z/ TAZEWELL-SMYTH-BLAND-WYTHE-GRAYSON-MERCER- INCLUDING THE CITIES OF...TAZEWELL...MARION...BLAND... WYTHEVILLE...INDEPENDENCE...WHITETOP...TROUTDALE...VOLNEY... BLUEFIELD...FLAT TOP 310 PM EDT THU OCT 20 2011 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND ADVISORY. WINDS WILL CONTINUE TO DIMINISH THROUGH THE EVENING. AS A RESULT...THE WIND ADVISORY HAS BEEN CANCELLED. $$ NCZ002-210800- /O.NEW.KRNK.FZ.A.0002.111022T0600Z-111022T1400Z/ ALLEGHANY NC- INCLUDING THE CITY OF...SPARTA 310 PM EDT THU OCT 20 2011 ...FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A FREEZE WATCH...WHICH IS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING. * LOCATIONS...THE VALLEYS OF THE NORTHWEST NORTH CAROLINA MOUNTAINS * HAZARDS...NEAR FREEZING TO SUB-FREEZING TEMPERATURES. * TEMPERATURES...IN THE LOW THE MID 30S. * TIMING...LATE FRIDAY NIGHT INTO EARLY SATURDAY MORNING. * IMPACTS...TEMPERATURES NEAR OR BELOW FREEZING MAY SEVERELY DAMAGE OR KILL CROPS AND OTHER SENSITIVE VEGETATION LEFT OUTSIDE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE. THESE CONDITIONS COULD KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 19, 6:08 PM EDT | Special Weather Statement | RNK | Greenbrier | 37 min |
| Oct 19, 6:47 PM EDT | Special Weather Statement | RNK | Greenbrier | 28 min |
| Oct 19, 1:47 PM EDT | Special Weather Statement | RNK | Surry | 43 min |
Nearby
Wind Advisories in Virginia, 2011Wind Advisories in North Carolina, 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.