Alert archive / Tennessee / High Wind Warnings in 2008

High Wind Warning 9, NWS Morristown, TN

December 9, 20086 counties in Tennessee; Cherokee County, Clay County, North Carolina

NWS Morristown, TN issued this high wind warning at Dec 9, 2008, 3:52 PM EST for 6 counties in Tennessee; Cherokee County, Clay County, North Carolina. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 9, 2008, 3:52 PM EST (20:52 UTC)
Expired
Dec 10, 2008, 9:54 AM EST
In force
18 hr
Issued by
NWS Morristown, TN

Counties Cherokee County, NC, Clay County, NC, Blount County, TN, Cocke County, TN, Greene County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 77 km from the middle of the area, began a volume at 20:56 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

Peachtre/Fal Fld, GA (KFFC), launched 12:00Z, 8.9 hours before the alert went out and 251 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.

Skew-T log-pSkew-T log-p diagram, Peachtre/Fal Fld, GA at 12:00Z on 2008-12-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Peachtre/Fal Fld, GA at 12:00Z on 2008-12-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 222 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
659 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
222 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS74 KMRX 092052
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
352 PM EST TUE DEC 9 2008

...WINDY CONDITIONS EXPECTED THROUGH EARLY WEDNESDAY MORNING FOR
THE HIGHER ELEVATIONS OF EAST TENNESSEE AND SOUTHWEST VIRGINIA INCLUDING
THE CUMBERLAND PLATEAU AND SOUTHWEST NORTH CAROLINA AND THEIR
IMMEDIATE FOOTHILLS...

.A FRONTAL SYSTEM WILL MOVE ACROSS THE TENNESSEE VALLEY AND
SOUTHERN APPALACHIANS ON WEDNESDAY. TIGHTENING PRESSURE GRADIENTS
AHEAD OF THE FRONT WILL PRODUCE WINDY CONDITIONS TONIGHT AND
WEDNESDAY MORNING. AFTER THE FRONT MOVES EAST ACROSS THE
REGION...WINDS WILL DIMINISH WEDNESDAY AFTERNOON.

NCZ060-061-TNZ041-043-072-074-087-102-100500-
/O.UPG.KMRX.WI.Y.0019.000000T0000Z-081210T1200Z/
/O.NEW.KMRX.HW.W.0009.081209T2052Z-081210T1800Z/
CHEROKEE-CLAY-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-
BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-SOUTHEAST MONROE-
EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...COSBY...
CEDAR CREEK...CADES COVE...GATLINBURG...COKER CREEK...DUCKTOWN
352 PM EST TUE DEC 9 2008

...HIGH WIND WARNING IN EFFECT UNTIL 1 PM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 1 PM EST WEDNESDAY. THE WIND
ADVISORY IS NO LONGER IN EFFECT. 

SOUTH WINDS BETWEEN 25 AND 35 MPH WITH GUSTS TO 60 MPH CAN BE
EXPECTED ACROSS MAINLY THE HIGHER ELEVATIONS AND JUST WEST OF THE
MOUNTAINS...SUCH AS CAMP CREEK. WINDS WILL DIMINISH WEDNESDAY
AFTERNOON TO 15 TO 25 MPH.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH AND/OR
GUSTS OF 58 MPH OR HIGHER CAN BE EXPECTED AT TIMES.  WINDS OF
THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE AND POWER OUTAGES.
MOTORISTS SHOULD USE CAUTION...ESPECIALLY THOSE IN HIGH PROFILE
VEHICLES.

$$

TNZ036-VAZ002-100500-
/O.EXB.KMRX.WI.Y.0019.000000T0000Z-081210T1800Z/
ANDERSON-WISE-
INCLUDING THE CITIES OF...CLINTON...OAK RIDGE...WISE...NORTON
352 PM EST TUE DEC 9 2008

...WIND ADVISORY IN EFFECT UNTIL 1 PM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 1 PM EST WEDNESDAY. 

SOUTH WINDS BETWEEN 25 AND 35 MPH WITH GUSTS TO 45 MPH CAN BE
EXPECTED TONIGHT AND WEDNESDAY MORNING ACROSS THE HIGHER
ELEVATIONS. ACROSS THE LOWER TERRAIN...SOUTH WINDS BETWEEN 10 AND
20 MPH WITH GUSTS TO 30 MPH ARE ANTICIPATED. THE STRONG WINDS WILL
DIMINISH WEDNESDAY AFTERNOON TO 10 TO 20 MPH.

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.

$$

TNZ012>014-018-035-045-047-067-081>083-098-099-100500-
/O.EXT.KMRX.WI.Y.0019.000000T0000Z-081210T1800Z/
SCOTT TN-CAMPBELL-CLAIBORNE-JOHNSON-MORGAN-UNICOI-
SOUTHEAST CARTER-ROANE-SEQUATCHIE-BLEDSOE-RHEA-MARION-HAMILTON-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
MOUNTAIN CITY...WARTBURG...ERWIN...ROAN MOUNTAIN...KINGSTON...
DUNLAP...PIKEVILLE...DAYTON...JASPER...CHATTANOOGA
352 PM EST TUE DEC 9 2008 /252 PM CST TUE DEC 9 2008/

...WIND ADVISORY NOW IN EFFECT UNTIL 1 PM EST /12 PM CST/
WEDNESDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 1 PM EST /12 PM CST/
WEDNESDAY. 

SOUTH WINDS BETWEEN 25 AND 35 MPH WITH GUSTS TO 45 MPH CAN BE
EXPECTED TONIGHT AND WEDNESDAY MORNING ACROSS THE HIGHER
ELEVATIONS. ACROSS THE LOWER TERRAIN...SOUTH WINDS BETWEEN 10 AND
20 MPH WITH GUSTS TO 30 MPH ARE ANTICIPATED. THE STRONG WINDS WILL
DIMINISH WEDNESDAY AFTERNOON TO 10 TO 20 MPH.

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.

$$
3 follow-up statements
000 
WWUS74 KMRX 100343 AAA
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
1043 PM EST TUE DEC 9 2008

...WINDY CONDITIONS EXPECTED THROUGH EARLY WEDNESDAY MORNING FOR
THE HIGHER ELEVATIONS OF EAST TENNESSEE AND SOUTHWEST VIRGINIA
INCLUDING THE CUMBERLAND PLATEAU AND SOUTHWEST NORTH CAROLINA AND
THEIR IMMEDIATE FOOTHILLS...

.A FRONTAL SYSTEM WILL MOVE ACROSS THE TENNESSEE VALLEY AND
SOUTHERN APPALACHIANS ON WEDNESDAY. TIGHTENING PRESSURE GRADIENTS
AHEAD OF THE FRONT WILL PRODUCE WINDY CONDITIONS INTO WEDNESDAY
MORNING. AFTER THE FRONT MOVES EAST ACROSS THE REGION...WINDS WILL
DIMINISH WEDNESDAY AFTERNOON.

NCZ060-061-TNZ041-043-072-074-087-102-101145-
/O.CON.KMRX.HW.W.0009.000000T0000Z-081210T1800Z/
CHEROKEE-CLAY-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-
BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-SOUTHEAST MONROE-
EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...COSBY...
CEDAR CREEK...CADES COVE...GATLINBURG...COKER CREEK...DUCKTOWN
1043 PM EST TUE DEC 9 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM EST WEDNESDAY...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM EST WEDNESDAY. 

SOUTH WINDS BETWEEN 25 AND 35 MPH WITH GUSTS TO 60 MPH CAN BE
EXPECTED ACROSS MAINLY THE HIGHER ELEVATIONS AND JUST WEST OF THE
MOUNTAINS...SUCH AS CAMP CREEK. WINDS WILL DIMINISH WEDNESDAY
AFTERNOON TO 15 TO 25 MPH.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH AND/OR
GUSTS OF 58 MPH OR HIGHER CAN BE EXPECTED AT TIMES.  WINDS OF
THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE AND POWER OUTAGES.
MOTORISTS SHOULD USE CAUTION...ESPECIALLY THOSE IN HIGH PROFILE
VEHICLES.

$$

TNZ012>014-018-035-036-045-047-067-081>083-098-099-VAZ002-101145-
/O.CON.KMRX.WI.Y.0019.000000T0000Z-081210T1800Z/
SCOTT TN-CAMPBELL-CLAIBORNE-JOHNSON-MORGAN-ANDERSON-UNICOI-
SOUTHEAST CARTER-ROANE-SEQUATCHIE-BLEDSOE-RHEA-MARION-HAMILTON-
WISE-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
MOUNTAIN CITY...WARTBURG...CLINTON...OAK RIDGE...ERWIN...
ROAN MOUNTAIN...KINGSTON...DUNLAP...PIKEVILLE...DAYTON...JASPER...
CHATTANOOGA...WISE...NORTON
1043 PM EST TUE DEC 9 2008 /943 PM CST TUE DEC 9 2008/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /12 PM CST/
WEDNESDAY...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /12 PM CST/
WEDNESDAY. 

SOUTH WINDS BETWEEN 25 AND 35 MPH WITH GUSTS TO 45 MPH CAN BE
EXPECTED OVERNIGHT AND WEDNESDAY MORNING ACROSS THE HIGHER
ELEVATIONS. ACROSS THE LOWER TERRAIN...SOUTH WINDS BETWEEN 10 AND
20 MPH WITH GUSTS TO 30 MPH ARE ANTICIPATED. THE STRONG WINDS WILL
DIMINISH WEDNESDAY AFTERNOON TO 10 TO 20 MPH.

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.

$$

TG
000 
WWUS74 KMRX 101002
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
502 AM EST WED DEC 10 2008

...WINDY CONDITIONS EXPECTED THIS MORNING FOR THE HIGHER ELEVATIONS
OF EAST TENNESSEE AND SOUTHWEST VIRGINIA INCLUDING THE CUMBERLAND
PLATEAU AND SOUTHWEST NORTH CAROLINA AND THEIR IMMEDIATE
FOOTHILLS...

.A COLD FRONT WILL MOVE ACROSS THE TENNESSEE VALLEY AND SOUTHERN
APPALACHIANS TODAY. AHEAD OF THE FRONT...WINDY CONDITIONS ARE
EXPECTED. WINDS WILL DECREASE ACROSS THE AREA THIS AFTERNOON AS THE FRONT
MOVES EAST ACROSS THE REGION.

NCZ060-061-TNZ041-043-072-074-087-102-101800-
/O.CON.KMRX.HW.W.0009.000000T0000Z-081210T1800Z/
CHEROKEE-CLAY-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-
BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-SOUTHEAST MONROE-
EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...COSBY...
CEDAR CREEK...CADES COVE...GATLINBURG...COKER CREEK...DUCKTOWN
502 AM EST WED DEC 10 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 1 PM EST THIS
AFTERNOON. 

SOUTH WINDS BETWEEN 25 AND 40 MPH WITH GUSTS TO 50 TO 60 MPH CAN
BE EXPECTED ACROSS MAINLY THE HIGHER ELEVATIONS AND JUST WEST OF
THE MOUNTAINS...SUCH AS CAMP CREEK. WINDS WILL DECREASE THIS
AFTERNOON TO 15 TO 25 MPH.

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH AND/OR
GUSTS OF 58 MPH OR HIGHER CAN BE EXPECTED AT TIMES.  WINDS OF
THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE AND POWER OUTAGES.
MOTORISTS SHOULD USE CAUTION...ESPECIALLY THOSE IN HIGH PROFILE
VEHICLES.

$$

TNZ012>014-018-035-036-045-047-067-081>083-098-099-VAZ002-101800-
/O.CON.KMRX.WI.Y.0019.000000T0000Z-081210T1800Z/
SCOTT TN-CAMPBELL-CLAIBORNE-JOHNSON-MORGAN-ANDERSON-UNICOI-
SOUTHEAST CARTER-ROANE-SEQUATCHIE-BLEDSOE-RHEA-MARION-HAMILTON-
WISE-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
MOUNTAIN CITY...WARTBURG...CLINTON...OAK RIDGE...ERWIN...
ROAN MOUNTAIN...KINGSTON...DUNLAP...PIKEVILLE...DAYTON...JASPER...
CHATTANOOGA...WISE...NORTON
502 AM EST WED DEC 10 2008 /402 AM CST WED DEC 10 2008/

...WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON CST/ THIS
AFTERNOON...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 1 PM EST /NOON CST/ THIS
AFTERNOON. 

SOUTH WINDS BETWEEN 25 AND 35 MPH WITH GUSTS TO 45 MPH CAN BE
EXPECTED THIS MORNING ACROSS THE HIGHER ELEVATIONS. ACROSS THE LOWER
TERRAIN...SOUTH WINDS BETWEEN 10 AND 20 MPH WITH GUSTS TO 30 MPH
ARE ANTICIPATED. THE STRONG WINDS WILL DECREASE THIS AFTERNOON TO 10 TO
20 MPH.

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.

$$
000 
WWUS74 KMRX 101454
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
954 AM EST WED DEC 10 2008

...WINDS DECREASING ACROSS THE AREA THIS MORNING...

.A SURFACE LOW PRESSURE SYSTEM IS LOCATED OVER NORTHEAST ALABAMA
THIS MORNING. AN INVERTED SURFACE TROUGH EXTENDS NORTHEAST FROM THE
LOW THROUGH THE EAST TENNESSEE VALLEY. THE PRESSURE GRADIENT IN
THIS TROUGH HAS RELAXED AND THE WINDS HAVE LOWERED TO BELOW WIND
WARNING AND ADVISORY CRITERIA. SOUTHWEST WINDS WILL REMAIN GUSTY
ACROSS THE MOUNTAINS OF EAST TENNESSEE AND SOUTHWEST NORTH
CAROLINA. WIND GUSTS ABOVE 30 MPH REMAIN POSSIBLE ABOVE 3500 FEET
THIS AFTERNOON. WINDS WILL SHIFT TO THE NORTHWEST ALONG THE
CUMBERLAND PLATEAU WITH SPEEDS AROUND 10 TO 15 MPH.

NCZ060-061-TNZ041-043-072-074-087-102-101600-
/O.CAN.KMRX.HW.W.0009.000000T0000Z-081210T1800Z/
CHEROKEE-CLAY-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-
BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-SOUTHEAST MONROE-
EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...COSBY...
CEDAR CREEK...CADES COVE...GATLINBURG...COKER CREEK...DUCKTOWN
954 AM EST WED DEC 10 2008

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS CANCELLED THE HIGH
WIND WARNING. 

SOUTHWEST WINDS 15 TO 25 MPH WITH HIGHER GUSTS.


$$

TNZ012>014-018-035-036-045-047-067-081>083-098-099-VAZ002-101600-
/O.CAN.KMRX.WI.Y.0019.000000T0000Z-081210T1800Z/
SCOTT TN-CAMPBELL-CLAIBORNE-JOHNSON-MORGAN-ANDERSON-UNICOI-
SOUTHEAST CARTER-ROANE-SEQUATCHIE-BLEDSOE-RHEA-MARION-HAMILTON-
WISE-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
MOUNTAIN CITY...WARTBURG...CLINTON...OAK RIDGE...ERWIN...
ROAN MOUNTAIN...KINGSTON...DUNLAP...PIKEVILLE...DAYTON...JASPER...
CHATTANOOGA...WISE...NORTON
954 AM EST WED DEC 10 2008 /854 AM CST WED DEC 10 2008/

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS CANCELLED THE WIND
ADVISORY. 

WINDS BECOMING NORTHWEST 10 TO 15 MPH.

$$

Nearby

High Wind Warnings in Tennessee, 2008High Wind Warnings in North Carolina, 2008Every high wind warning 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.