Alert archive / Tennessee / Wind Advisories in 2008
Wind Advisory 21, NWS Morristown, TN
NWS Morristown, TN issued this wind advisory at Dec 15, 2008, 4:15 AM EST for 13 counties in Tennessee; 7 counties in Virginia; Cherokee County, Clay County, North Carolina. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Dec 15, 2008, 4:15 AM EST (09:15 UTC)
- Expired
- Dec 15, 2008, 11:02 AM EST
- In force
- 7 hr
- Issued by
- NWS Morristown, TN
All 22 counties
Cherokee County, NC, Clay County, NC, Blount County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Scott County, TN, Sevier County, TN, Unicoi County, TN, City of Bristol, VA, City of Norton, VA, Lee County, VA, Russell County, VA, Scott County, VA, Washington County, VA, Wise County, VA
The radar
The Knoxville radar (KMRX), 17 km from the middle of the area, began a volume at 09:14 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
Greensboro/Hi Pt, NC (KGSO), launched 00:00Z, 9.3 hours before the alert went out and 297 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
- 752 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 368 m²/s²
- 0-3 km storm-relative helicity
- 452 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS74 KMRX 150915 NPWMRX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MORRISTOWN TN 415 AM EST MON DEC 15 2008 ...STRONG AND GUSTY SOUTHERLY WINDS TO CONTINUE THIS MORNING... .A TIGHT PRESSURE GRADIENT OVER THE SOUTHERN APPALACHIANS CONTINUES THIS MORNING IN ADVANCE OF A SLOW MOVING COLD FRONT. STRONG AND GUSTY SOUTHERLY WINDS WILL CONTINUE OVER THE HIGHER TERRAIN OF THE CUMBERLAND PLATEAU...SOUTHWESTERN VIRGINIA...AND THE MOUNTAINS OF EAST TENNESSEE INTO SOUTHWESTERN PARTS OF NORTH CAROLINA. SUSTAINED SPEEDS OF 15 TO 30 MPH CAN BE EXPECTED...WITH GUSTS AS HIGH AS 40 TO 50 MPH GENERALLY ABOVE 3000 FEET. THE WINDS SHOULD DIMINISH BY THIS AFTERNOON...AS THE COLD FRONT WEAKENS AND STALLS ACROSS THE REGION TONIGHT. BE ALERT FOR THESE GUSTY WINDS TODAY...AND TUNED TO THIS STATION FOR LATER STATEMENTS AND FORECASTS. NCZ060-061-TNZ012>014-018-035-041-043-045-047-072-074-087-102- VAZ001-002-005-006-008-151700- /O.EXP.KMRX.WI.Y.0020.000000T0000Z-081215T0900Z/ /O.NEW.KMRX.WI.Y.0021.081215T0915Z-081215T1700Z/ CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-JOHNSON-MORGAN- COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-SOUTHEAST CARTER- BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-SOUTHEAST MONROE- EAST POLK-LEE-WISE-SCOTT-RUSSELL-WASHINGTON- INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...ONEIDA... LA FOLLETTE...TAZEWELL...MOUNTAIN CITY...WARTBURG...COSBY... CEDAR CREEK...ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG... COKER CREEK...DUCKTOWN...JONESVILLE...WISE...NORTON...GATE CITY... LEBANON...ABINGDON 415 AM EST MON DEC 15 2008 ...WIND ADVISORY IN EFFECT UNTIL NOON EST TODAY... THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS EXTENDED A WIND ADVISORY...WHICH IS IN EFFECT UNTIL NOON EST TODAY. SOUTHERLY WINDS WILL BE SUSTAINED BETWEEN 20 AND 35 MPH THROUGH NOON TODAY. WIND GUSTS BETWEEN 40 AND 50 MPH ARE ALSO EXPECTED. THE STRONGEST WINDS WILL MAINLY AFFECT THE ELEVATED AREAS OF THE CUMBERLAND PLATEAU AND SOUTHWESTERN VIRGINIA...THE MOUNTAINS OF EAST TENNESSEE AND NEARBY FOOTHILLS...AND THE MOUNTAINS OF EXTREME SOUTHWESTERN NORTH CAROLINA. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE CAUTION WHEN DRIVING. TREES LIMBS AND BRANCHES WILL BE BLOWN DOWN...AND UNSECURED OUTDOOR OBJECTS MAY BE OVERTURNED. A WIND ADVISORY MEANS THAT WINDS OF 31 TO 39 MPH AND/OR GUSTS OF 40 TO 57 MPH ARE EXPECTED OR OCCURRING. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES... SO USE CAUTION WHEN DRIVING. $$ TNZ081-082-098-151015- /O.EXP.KMRX.WI.Y.0020.000000T0000Z-081215T0900Z/ SEQUATCHIE-BLEDSOE-MARION- INCLUDING THE CITIES OF...DUNLAP...PIKEVILLE...JASPER 315 AM CST MON DEC 15 2008 ...WIND ADVISORY HAS EXPIRED... THE WIND ADVISORY IS NO LONGER IN EFFECT. SOUTHERLY WINDS HAD DECREASED OVER THE SEQUATCHIE VALLEY REGION OF EAST TENNESSEE...ALLOWING THE WIND ADVISORY TO EXPIRE. $$ TG
1 follow-up statement
000 WWUS74 KMRX 151602 NPWMRX URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE MORRISTOWN TN 1102 AM EST MON DEC 15 2008 ...WINDS ADVISORY HAS BEEN CANCELED... .THE WINDS HAVE DIMINISHED SO THE WIND ADVISORY HAS BEEN CANCELED. IT WILL STILL BE BREEZY TODAY WITH SOUTH WINDS AT 10 TO 20 MPH WITH GUSTS TO 30 MPH. NCZ060-061-TNZ012>014-018-035-041-043-045-047-072-074-087-102- VAZ001-002-005-006-008-151715- /O.CAN.KMRX.WI.Y.0021.000000T0000Z-081215T1700Z/ CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-JOHNSON-MORGAN- COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-SOUTHEAST CARTER- BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-SOUTHEAST MONROE- EAST POLK-LEE-WISE-SCOTT-RUSSELL-WASHINGTON- INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...ONEIDA... LA FOLLETTE...TAZEWELL...MOUNTAIN CITY...WARTBURG...COSBY... CEDAR CREEK...ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG... COKER CREEK...DUCKTOWN...JONESVILLE...WISE...NORTON...GATE CITY... LEBANON...ABINGDON 1102 AM EST MON DEC 15 2008 ...WIND ADVISORY IS CANCELED... THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS CANCELED THE WIND ADVISORY. THE WINDS HAVE DIMINISHED SO THE WIND ADVISORY HAS BEEN CANCELED. IT WILL STILL BE BREEZY TODAY WITH SOUTH WINDS AT 10 TO 20 MPH WITH GUSTS TO 30 MPH. $$ GH
Nearby
Wind Advisories in Tennessee, 2008Wind Advisories in Virginia, 2008Wind Advisories in North Carolina, 2008Every wind advisory in 2008
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.