Alert archive / Tennessee / Wind Advisories in 2011

Wind Advisory 22, NWS Morristown, TN

December 27, 20117 counties in Virginia; 33 counties in Tennessee; Cherokee County, Clay County, North Carolina

NWS Morristown, TN issued this wind advisory at Dec 27, 2011, 3:23 AM EST for 7 counties in Virginia; 33 counties in Tennessee; Cherokee County, Clay County, North Carolina. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Dec 27, 2011, 3:23 AM EST (08:23 UTC)
Expired
Dec 27, 2011, 6:00 PM EST
In force
15 hr
Issued by
NWS Morristown, TN
All 42 counties

Cherokee County, NC, Clay County, NC, Anderson County, TN, Bledsoe County, TN, Blount County, TN, Bradley County, TN, Campbell County, TN, Carter County, TN, Claiborne County, TN, Cocke County, TN, Grainger County, TN, Greene County, TN, Hamblen County, TN, Hamilton County, TN, Hancock County, TN, Hawkins County, TN, Jefferson County, TN, Johnson County, TN, Knox County, TN, Loudon County, TN, Marion County, TN, McMinn County, TN, Meigs County, TN, Monroe County, TN, Morgan County, TN, Polk County, TN, Rhea County, TN, Roane County, TN, Scott County, TN, Sequatchie County, TN, Sevier County, TN, Sullivan County, TN, Unicoi County, TN, Union County, TN, Washington 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), 27 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

Nashville Metro, TN (KBNA), launched 00:00Z, 8.4 hours before the alert went out and 265 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, Nashville Metro, TN at 00:00Z on 2011-12-27Temperature 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, Nashville Metro, TN at 00:00Z on 2011-12-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 square meters per square second.1939587897Sfc1 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
2351 m above ground
0-6 km bulk shear
61 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
216 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.

399 
WWUS74 KMRX 270823
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
323 AM EST TUE DEC 27 2011

...WINDY CONDITIONS EXPECTED TODAY ACROSS ALL OF EAST TENNESSEE...
SOUTHWEST VIRGINIA...AND SOUTHWEST NORTH CAROLINA...

.A STRONG STORM SYSTEM WILL MOVE ACROSS THE SOUTHERN APPALACHIANS
TODAY PRODUCING STRONG SOUTHERLY WINDS AHEAD OF THE FRONT ACROSS
THE HIGHER ELEVATIONS AND ADJACENT FOOTHILLS. AS THE FRONT MOVES
EAST ACROSS THE AREA THIS MORNING...STRONG AND GUSTY SOUTHWEST
WINDS CAN BE EXPECTED AREA-WIDE THIS AFTERNOON.


TNZ018-041-043-045-047-072-074-087-271630-
/O.UPG.KMRX.WI.Y.0021.000000T0000Z-111227T1500Z/
/O.NEW.KMRX.HW.W.0007.111227T0823Z-111227T1500Z/
/O.NEW.KMRX.WI.Y.0022.111227T1500Z-111227T2300Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
SOUTHEAST MONROE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...COKER CREEK
323 AM EST TUE DEC 27 2011

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. A WIND
ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN EFFECT
FROM 10 AM THIS MORNING TO 6 PM EST THIS EVENING. 

* EVENT...SOUTH WINDS BETWEEN 25 AND 40 MPH WITH GUSTS TO 70 MPH
  CAN BE EXPECTED ACROSS THE MOUNTAINS AND ADJACENT FOOTHILLS.
  WINDS WILL BECOME SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH AFTER
  THE FRONTAL PASSAGE THIS MORNING.

* TIMING...STRONG AND GUSTY WINDS...ESPECIALLY THIS MORNING...WILL
  DIMINISH THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER 
  LINES. LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A WIND ADVISORY MEANS THAT WINDS OF 26 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.

&&

$$

TNZ040-042-044-046-071-073-086-VAZ006-008-271630-
/O.NEW.KMRX.HW.W.0007.111227T0823Z-111227T1500Z/
/O.NEW.KMRX.WI.Y.0022.111227T1500Z-111227T2300Z/
NORTHWEST COCKE-NORTHWEST GREENE-WASHINGTON TN-NORTHWEST CARTER-
NW BLOUNT-NORTH SEVIER-NORTHWEST MONROE-RUSSELL-WASHINGTON-
INCLUDING THE CITIES OF...NEWPORT...GREENEVILLE...JOHNSON CITY...
ELIZABETHTON...MARYVILLE...SEVIERVILLE...MADISONVILLE...LEBANON...
ABINGDON
323 AM EST TUE DEC 27 2011

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...
...WIND ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 6 PM EST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 10 AM EST THIS MORNING. A WIND
ADVISORY HAS ALSO BEEN ISSUED. THIS WIND ADVISORY IS IN EFFECT
FROM 10 AM THIS MORNING TO 6 PM EST THIS EVENING. 


* EVENT...SOUTH WINDS BETWEEN 25 AND 40 MPH WITH GUSTS TO 70 MPH
  CAN BE EXPECTED ACROSS THE FOOTHILLS. WINDS WILL BECOME SOUTHWEST
  20 TO 30 MPH WITH GUSTS TO 40 MPH AREA-WIDE AFTER THE FRONTAL
  PASSAGE THIS MORNING.

* TIMING...STRONG AND GUSTY WINDS...ESPECIALLY THIS MORNING...WILL
  DIMINISH THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER LINES.
  LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS SHOULD BE
  EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE HIGHER
  ELEVATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

A WIND ADVISORY MEANS THAT WINDS OF 26 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.

&&

$$

NCZ060-061-TNZ101-102-271630-
/O.NEW.KMRX.WI.Y.0022.111227T0823Z-111227T2300Z/
CHEROKEE-CLAY-WEST POLK-EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...BENTON...DUCKTOWN
323 AM EST TUE DEC 27 2011

...WIND ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. 


* EVENT...SOUTH WINDS BETWEEN 15 AND 30 MPH WITH GUSTS TO 40 MPH
  CAN BE EXPECTED ACROSS THE MOUNTAINS AND ADJACENT FOOTHILLS.
  WINDS WILL BECOME SOUTHWEST 20 TO 30 MPH WITH GUSTS TO 40 MPH
  AFTER THE FRONTAL PASSAGE THIS MORNING.

* TIMING...STRONG AND GUSTY WINDS...ESPECIALLY THIS MORNING...WILL
  DIMINISH THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER LINES.
  LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS SHOULD BE
  EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE HIGHER
  ELEVATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 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>017-035>039-067>070-081>085-098>100-VAZ001-002-005-271630-
/O.NEW.KMRX.WI.Y.0022.111227T1600Z-111227T2300Z/
SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-SULLIVAN-MORGAN-
ANDERSON-UNION-GRAINGER-HAMBLEN-ROANE-LOUDON-KNOX-JEFFERSON-
SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-MARION-HAMILTON-BRADLEY-LEE-
WISE-SCOTT-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
SNEEDVILLE...ROGERSVILLE...KINGSPORT...BRISTOL...WARTBURG...
CLINTON...OAK RIDGE...MAYNARDVILLE...RUTLEDGE...MORRISTOWN...
KINGSTON...LENOIR CITY...KNOXVILLE...DANDRIDGE...DUNLAP...
PIKEVILLE...DAYTON...DECATUR...ATHENS...JASPER...CHATTANOOGA...
CLEVELAND...JONESVILLE...WISE...NORTON...GATE CITY
323 AM EST TUE DEC 27 2011 /223 AM CST TUE DEC 27 2011/

...WIND ADVISORY IN EFFECT FROM 11 AM EST /10 AM CST/ THIS
MORNING TO 6 PM EST /5 PM CST/ THIS EVENING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 11 AM EST /10 AM CST/ THIS
MORNING TO 6 PM EST /5 PM CST/ THIS EVENING. 

* EVENT...WINDS WILL BECOMING SOUTHWEST AND INCREASE TO 20 TO 30
  MPH WITH GUSTS TO 40 MPH LATE THIS MORNING AND AFTERNOON.

* TIMING...STRONG AND GUSTY WINDS BY THIS AFTERNOON WILL DIMINISH
  THIS EVENING TO WESTERLY 15 TO 25 MPH AND GUSTY.

* IMPACTS...LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE
  HIGHER ELEVATIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 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.

&&

$$
1 follow-up statement
554 
WWUS74 KMRX 271501
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
1001 AM EST TUE DEC 27 2011

...WINDY CONDITIONS TODAY ACROSS EAST TENNESSEE...SOUTHWEST 
VIRGINIA...AND SOUTHWEST NORTH CAROLINA...

.A STRONG STORM SYSTEM MOVING ACROSS THE SOUTHERN APPALACHIANS TODAY 
WILL PRODUCE STRONG WEST TO NORTHWEST WINDS BEHIND AN EXITING COLD
FRONT.

TNZ018-040>047-071>074-086-087-VAZ006-008-272300-
/O.EXP.KMRX.HW.W.0007.000000T0000Z-111227T1500Z/
/O.CON.KMRX.WI.Y.0022.000000T0000Z-111227T2300Z/
JOHNSON-NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE-
SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER-
SOUTHEAST CARTER-NW BLOUNT-BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-
SEVIER SMOKY MOUNTAINS-NORTHWEST MONROE-SOUTHEAST MONROE-RUSSELL-
WASHINGTON-
INCLUDING THE CITIES OF...MOUNTAIN CITY...NEWPORT...COSBY...
GREENEVILLE...CEDAR CREEK...JOHNSON CITY...ERWIN...ELIZABETHTON...
ROAN MOUNTAIN...MARYVILLE...CADES COVE...SEVIERVILLE...
GATLINBURG...MADISONVILLE...COKER CREEK...LEBANON...ABINGDON
1001 AM EST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...
...HIGH WIND WARNING WILL EXPIRE AT 10 AM EST THIS MORNING...

* EVENT...WEST TO NORTHWEST WINDS BETWEEN 15 AND 30 MPH WITH GUSTS
  TO 50 MPH CAN BE EXPECTED.

* TIMING...STRONG AND GUSTY WINDS TODAY.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER 
  LINES. LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 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>017-035>039-067>070-081>085-098>100-VAZ001-002-005-272300-
/O.EXT.KMRX.WI.Y.0022.111227T1501Z-111227T2300Z/
SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS-SULLIVAN-MORGAN-
ANDERSON-UNION-GRAINGER-HAMBLEN-ROANE-LOUDON-KNOX-JEFFERSON-
SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-MARION-HAMILTON-BRADLEY-LEE-
WISE-SCOTT-
INCLUDING THE CITIES OF...ONEIDA...LA FOLLETTE...TAZEWELL...
SNEEDVILLE...ROGERSVILLE...KINGSPORT...BRISTOL...WARTBURG...
CLINTON...OAK RIDGE...MAYNARDVILLE...RUTLEDGE...MORRISTOWN...
KINGSTON...LENOIR CITY...KNOXVILLE...DANDRIDGE...DUNLAP...
PIKEVILLE...DAYTON...DECATUR...ATHENS...JASPER...CHATTANOOGA...
CLEVELAND...JONESVILLE...WISE...NORTON...GATE CITY
1001 AM EST TUE DEC 27 2011 /901 AM CST TUE DEC 27 2011/

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM EST /5 PM CST/ THIS
EVENING...

* EVENT...WINDS WILL BECOMING SOUTHWEST AND INCREASE TO 15 TO 30
  MPH WITH GUSTS TO 40 MPH THIS AFTERNOON.

* TIMING...STRONG AND GUSTY WINDS BY THIS AFTERNOON WILL DIMINISH
  THIS EVENING TO WESTERLY 15 TO 25 MPH.

* IMPACTS...LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 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.

&&

$$

NCZ060-061-TNZ101-102-272300-
/O.CON.KMRX.WI.Y.0022.000000T0000Z-111227T2300Z/
CHEROKEE-CLAY-WEST POLK-EAST POLK-
INCLUDING THE CITIES OF...MURPHY...HAYESVILLE...BENTON...DUCKTOWN
1001 AM EST TUE DEC 27 2011

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM EST THIS EVENING...

* EVENT...WEST TO NORTHWEST WINDS BETWEEN 15 AND 30 MPH WITH GUSTS
  TO 40 MPH CAN BE EXPECTED ACROSS THE MOUNTAINS AND ADJACENT
  FOOTHILLS.

* TIMING...STRONG AND GUSTY WINDS...WILL DIMINISH THIS EVENING TO
  WESTERLY 15 TO 25 MPH.

* IMPACTS...WINDS MAY DOWN TREES OR TREE LIMBS...AND POWER 
  LINES. LOOSE OUTDOOR OBJECTS SHOULD BE SECURED. MOTORISTS 
  SHOULD BE EXTRA CAUTIOUS TO CROSS WINDS WHEN DRIVING IN THE 
  HIGHER ELEVATIONS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 26 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.

&&

$$

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 27, 3:23 AM ESTHigh Wind WarningMRXRussell, Washington, City of Bristol7 hr
Dec 27, 3:35 AM ESTWinter Weather AdvisoryMRXWise, City of Norton30 hr

Nearby

Wind Advisories in Tennessee, 2011Wind Advisories in Virginia, 2011Wind Advisories in North Carolina, 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.