Alert archive / Virginia / Wind Advisories in 2009
Wind Advisory 13, NWS Blacksburg, VA
NWS Blacksburg, VA issued this wind advisory at Apr 22, 2009, 1:14 PM EDT for 22 counties in Virginia; Alleghany County, Ashe County, Watauga County, North Carolina. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Apr 22, 2009, 1:14 PM EDT (17:14 UTC)
- Expired
- Apr 22, 2009, 9:00 PM EDT
- In force
- 8 hr
- Issued by
- NWS Blacksburg, VA
All 25 counties
Alleghany County, NC, Ashe County, NC, Watauga County, NC, Alleghany County, VA, Amherst County, VA, Bath County, VA, Bedford County, VA, Botetourt County, VA, Carroll County, VA, City of Buena Vista, VA, City of Covington, VA, City of Galax, VA, City of Lexington, VA, City of Radford, VA, City of Roanoke, VA, City of Salem, VA, Craig County, VA, Floyd County, VA, Franklin County, VA, Grayson County, VA, Montgomery County, VA, Patrick County, VA, Pulaski County, VA, Roanoke County, VA, Rockbridge County, VA
The radar
The Roanoke radar (KFCX), 19 km from the middle of the area, began a volume at 17:14 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, 5.2 hours before the alert went out and 66 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
- 4 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1269 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS71 KRNK 221714 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 114 PM EDT WED APR 22 2009 NCZ001-002-018-VAZ013>020-022>024-032>035-230100- /O.NEW.KRNK.WI.Y.0013.090422T1714Z-090423T0100Z/ ASHE-ALLEGHANY NC-WATAUGA-PULASKI-MONTGOMERY-GRAYSON-CARROLL- FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE- PATRICK-FRANKLIN-BEDFORD-AMHERST- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... PULASKI...RADFORD...BLACKSBURG...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...GALAX...FLOYD...NEW CASTLE...CLIFTON FORGE... HOT SPRINGS...ROANOKE...SALEM...FINCASTLE...LEXINGTON...STUART... ROCKY MOUNT...BEDFORD...AMHERST 114 PM EDT WED APR 22 2009 ...WIND ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN BLACKSBURG HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL 9 PM EDT THIS EVENING. WEST TO NORTHWEST WINDS WILL BE INCREASING THIS AFTERNOON AS HIGH PRESSURE MOVES INTO THE OHIO VALLEY...BEHIND A STRONG AREA OF LOW PRESSURE OFF THE NEW ENGLAND COAST. GUSTS AROUND 45 MPH ARE POSSIBLE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT SUSTAINED WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
1 follow-up statement
000 WWUS71 KRNK 230046 NPWRNK URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE BLACKSBURG VA 846 PM EDT WED APR 22 2009 ...WINDS WILL GRADUALLY DIMINISH OVERNIGHT... NCZ001-002-018-VAZ013>020-022>024-032>035-230200- /O.EXP.KRNK.WI.Y.0013.000000T0000Z-090423T0100Z/ ASHE-ALLEGHANY NC-WATAUGA-PULASKI-MONTGOMERY-GRAYSON-CARROLL- FLOYD-CRAIG-ALLEGHANY VA-BATH-ROANOKE-BOTETOURT-ROCKBRIDGE- PATRICK-FRANKLIN-BEDFORD-AMHERST- INCLUDING THE CITIES OF...WEST JEFFERSON...SPARTA...BOONE... PULASKI...RADFORD...BLACKSBURG...INDEPENDENCE...WHITETOP... TROUTDALE...VOLNEY...GALAX...FLOYD...NEW CASTLE...CLIFTON FORGE... HOT SPRINGS...ROANOKE...SALEM...FINCASTLE...LEXINGTON...STUART... ROCKY MOUNT...BEDFORD...AMHERST 846 PM EDT WED APR 22 2009 ...WIND ADVISORY WILL EXPIRE AT 9 PM EDT THIS EVENING... THE WIND ADVISORY WILL EXPIRE AT 9 PM EDT THIS EVENING. EXPECT WEST WINDS AT 5 TO 15 MPH OVERNIGHT WITH GUSTS UP TO 30 MPH. $$ AMS
Nearby
Wind Advisories in Virginia, 2009Wind Advisories in North Carolina, 2009Every wind advisory in 2009
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.