Alert archive / Virginia / Wind Advisories in 2007
Wind Advisory 21, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Apr 4, 2007, 4:24 AM EDT for Carroll County, Grayson County, City of Galax, Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It took effect at Apr 4, 2007, 12:00 PM EDT. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Apr 4, 2007, 4:24 AM EDT (08:24 UTC)
- In effect from
- Apr 4, 2007, 12:00 PM EDT
- Expired
- Apr 5, 2007, 4:00 AM EDT
- In force
- 16 hr
- Issued by
- NWS Blacksburg, VA
Counties Alleghany County, NC, Ashe County, NC, Watauga County, NC, Carroll County, VA, City of Galax, VA, Grayson County, VA
The radar
The Roanoke radar (KFCX), 99 km from the middle of the area, began a volume at 08:26 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, 8.4 hours before the alert went out and 127 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
- 509 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1755 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KRNK 040824 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 424 AM EDT WED APR 4 2007 ...COLD FRONT TO BRING STRONG THIS AFTERNOON AND TONIGHT... .A STRONG COLD FRONT WILL MOVE THROUGH THE AREA AROUND NOON TODAY. NORTHWEST WIND BEHIND THE FRONT ARE EXPECTED TO BE STRONG AND GUSTY INTO TONIGHT. NCZ001-002-018-VAZ015-016-041630- /O.NEW.KRNK.WI.Y.0021.070404T1600Z-070405T0800Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...GALAX 424 AM EDT WED APR 4 2007 ...WIND ADVISORY IN EFFECT FROM NOON TODAY TO 4 AM EDT THURSDAY... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM NOON TODAY TO 4 AM EDT THURSDAY. NORTHWEST WINDS THIS AFTERNOON WILL INCREASE TO 20 TO 30 MPH...WITH GUSTS AS HIGH AS 55 MPH IN ELEVATIONS ABOVE 3500 FEET BY LATE AFTERNOON. THESE STRONG WINDS WILL THEN PERSIST INTO TONIGHT. A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH ARE POSSIBLE WITH GUSTS AS HIGH AS 57 MPH. WINDS THIS STRONG MAY BE ENOUGH TO DOWN TREES AND POWER LINES...AND WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$ JJ
4 follow-up statements
000 WWUS71 KRNK 041552 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 1152 AM EDT WED APR 4 2007 ...COLD FRONT TO BRING STRONG WINDS THIS AFTERNOON AND TONIGHT... .A STRONG COLD FRONT WILL MOVE THROUGH EARLY THIS AFTERNOON. NORTHWEST WINDS ALONG AND BEHIND THE FRONT ARE EXPECTED TO BE STRONG AND GUSTY INTO TONIGHT. NCZ001-002-018-VAZ015-016-050000- /O.CON.KRNK.WI.Y.0021.070404T1600Z-070405T0800Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON-CARROLL- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE...GALAX 1152 AM EDT WED APR 4 2007 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT THURSDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT THURSDAY. NORTHWEST WINDS 20 TO 30 MPH CAN BE EXPECTED...WITH GUSTS AS HIGH AS 50 MPH IN ELEVATIONS ABOVE 3500 FEET. A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 31 TO 39 MPH ARE POSSIBLE WITH GUSTS AS HIGH AS 57 MPH. WINDS THIS STRONG MAY BE ENOUGH TO DOWN TREES AND POWER LINES...AND WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWUS71 KRNK 041916 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 316 PM EDT WED APR 4 2007 ...COLD FRONT TO BRING STRONG WINDS THIS AFTERNOON AND TONIGHT... .A STRONG COLD FRONT WILL MOVE THROUGH EARLY THIS AFTERNOON. NORTHWEST WINDS ALONG AND BEHIND THE FRONT ARE EXPECTED TO BE STRONG AND GUSTY INTO TONIGHT. VAZ016-042030- /O.CAN.KRNK.WI.Y.0021.000000T0000Z-070405T0800Z/ CARROLL- INCLUDING THE CITY OF...GALAX 316 PM EDT WED APR 4 2007 ...WIND ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS CANCELLED THE WIND ADVISORY. WIND GUSTS WILL REMAIN BELOW ADVISORY LEVELS THROUGH TONIGHT. $$ NCZ001-002-018-VAZ015-050315- /O.CON.KRNK.WI.Y.0021.000000T0000Z-070405T0800Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE 316 PM EDT WED APR 4 2007 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT THURSDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT THURSDAY. NORTHWEST WINDS 20 TO 30 MPH CAN BE EXPECTED...WITH GUSTS AS HIGH AS 50 MPH IN ELEVATIONS ABOVE 3500 FEET. A WIND ADVISORY MEANS THAT WINDS THIS STRONG MAY BE ENOUGH TO DOWN SMALL TREE LIMBS...AND WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWUS71 KRNK 050206 AAA NPWRNK URGENT - WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE BLACKSBURG VA 1006 PM EDT WED APR 4 2007 ...STRONG WINDS TO CONTINUE OVERNIGHT... .COLD HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE AREA FROM THE WEST OVERNIGHT. THIS WILL RESULT IN A CONTINUATION OF STRONG WESTERLY WINDS ALONG THE RIDGES THROUGH LATE TONIGHT. NCZ001-002-018-VAZ015-050800- /O.CON.KRNK.WI.Y.0021.000000T0000Z-070405T0800Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE 1006 PM EDT WED APR 4 2007 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT THURSDAY... A WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM EDT THURSDAY. WESTERLY WINDS AT 20 TO 30 MPH CAN BE EXPECTED...WITH GUSTS AS HIGH AS 50 MPH IN ELEVATIONS ABOVE 3500 FEET THROUGH LATE TONIGHT. A WIND ADVISORY MEANS THAT WINDS THIS STRONG MAY BE ENOUGH TO DOWN SMALL TREE LIMBS...AND WILL MAKE DRIVING DIFFICULT... ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. $$
000 WWUS71 KRNK 050750 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 350 AM EDT THU APR 5 2007 ...GUSTY NORTHWEST WINDS WILL CONTINUE THROUGH TODAY... .COLD AIR WILL CONTINUE TO MOVE INTO THE REGION ON GUSTY NORTHWEST WINDS. HOWEVER...THE WIND GUSTS ARE EXPECTED TO REMAIN BELOW ADVISORY LEVELS. NCZ001-002-018-VAZ015-050900- /O.EXP.KRNK.WI.Y.0021.000000T0000Z-070405T0800Z/ ASHE-ALLEGHANY NC-WATAUGA-GRAYSON- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... INDEPENDENCE 350 AM EDT THU APR 5 2007 ...WIND ADVISORY WILL EXPIRE AT 4 AM EDT EARLY THIS MORNING... THE WIND ADVISORY WILL EXPIRE AT 4 AM EDT EARLY THIS MORNING. WIND HAVE DIMINISHED A LITTLE...AND ARE BELOW ADVISORY LEVELS. HOWEVER...WINDS THROUGH TODAY WILL STILL BE BRISK...WITH NORTHWEST WINDS OF 15 TO 25 MPH GUSTING UP TO 45 MPH AT TIMES. $$
The office that day
Everything else NWS Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 11:59 PM EDT | Severe Thunderstorm Warning | RNK | Tazewell | 37 min |
Nearby
Wind Advisories in Virginia, 2007Wind Advisories in North Carolina, 2007Every wind advisory in 2007
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.