Alert archive / Tennessee / Wind Advisories in 2012

Wind Advisory 2, NWS Morristown, TN

January 16, 20127 counties in Tennessee; Wise County, City of Norton, Virginia

NWS Morristown, TN issued this wind advisory at Jan 16, 2012, 2:45 PM EST for 7 counties in Tennessee; Wise County, City of Norton, Virginia. It took effect at Jan 17, 2012, 2:00 AM EST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jan 16, 2012, 2:45 PM EST (19:45 UTC)
In effect from
Jan 17, 2012, 2:00 AM EST
Expired
Jan 17, 2012, 3:46 PM EST
In force
14 hr
Issued by
NWS Morristown, TN

Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Sevier County, TN, Unicoi County, TN, City of Norton, VA, Wise County, VA

The radar

The Knoxville radar (KMRX), 56 km from the middle of the area, began a volume at 19:47 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 12:00Z, 7.8 hours before the alert went out and 260 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, Greensboro/Hi Pt, NC at 12:00Z on 2012-01-16Temperature 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, Greensboro/Hi Pt, NC at 12:00Z on 2012-01-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 214 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
1280 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
214 m²/s²
0-3 km storm-relative helicity
237 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.

997 
WWUS74 KMRX 161945
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
245 PM EST MON JAN 16 2012

...WINDY CONDITIONS EXPECTED TONIGHT AND TUESDAY OVER THE
APPALACHIAN MOUNTAINS OF EAST TENNESSEE AND HIGHER ELEVATION OF
WISE COUNTY IN SOUTHWEST VIRGINIA...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO THE SOUTHERN
APPALACHIAN REGION TONIGHT AND TUESDAY...GENERATING STRONG AND GUSTY
SOUTHWEST WINDS OVER THE ADVISED AREA.

TNZ018-041-043-045-047-072-074-VAZ002-170345-
/O.NEW.KMRX.WI.Y.0002.120117T0700Z-120117T2100Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
WISE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...WISE...NORTON
245 PM EST MON JAN 16 2012

...WIND ADVISORY IN EFFECT FROM 2 AM TO 4 PM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 4 PM EST TUESDAY. 

* EVENT...SOUTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS TO 45 MPH CAN BE
  EXPECTED.

* TIMING...WINDS WILL INCREASE OVERNIGHT AND CONTINUE THROUGH MUCH
  OF TUESDAY.

* 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.

&&

$$

MJB
3 follow-up statements
559 
WWUS74 KMRX 170257
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
957 PM EST MON JAN 16 2012

...WINDY CONDITIONS EXPECTED TONIGHT AND TUESDAY OVER THE
APPALACHIAN MOUNTAINS OF EAST TENNESSEE AND HIGHER ELEVATION OF
WISE COUNTY IN SOUTHWEST VIRGINIA...

.SOUTHWEST WINDS WILL STRENGTHEN IN ADVANCE OF AN APPROACHING COLD
FRONT. WINDS WILL BECOME STRONG AND GUSTY OVER THE ADVISED AREA.

TNZ018-041-043-045-047-072-074-VAZ002-171100-
/O.CON.KMRX.WI.Y.0002.120117T0700Z-120117T2100Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
WISE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...WISE...NORTON
957 PM EST MON JAN 16 2012

...WIND ADVISORY REMAINS IN EFFECT FROM 2 AM TO 4 PM EST
TUESDAY...

* EVENT...SOUTHWEST WINDS OF 15 TO 30 MPH WITH GUSTS TO 45 MPH 
  CAN BE EXPECTED. 

* TIMING...WINDS WILL INCREASE OVERNIGHT AND CONTINUE THROUGH 
  MUCH OF TUESDAY. 

* 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.

&&

$$
003 
WWUS74 KMRX 170841 AAA
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
341 AM EST TUE JAN 17 2012

...WINDY CONDITIONS EXPECTED TODAY OVER THE APPALACHIAN MOUNTAINS
OF EAST TENNESSEE AND HIGHER ELEVATION OF WISE COUNTY IN SOUTHWEST
VIRGINIA...

.SOUTHWEST WINDS WILL STRENGTHEN IN ADVANCE OF AN APPROACHING
COLD FRONT. WINDS WILL BE STRONG AND GUSTY OVER THE ADVISED
AREA...ESPECIALLY IN THE HIGHER ELEVATIONS.

TNZ018-041-043-045-047-072-074-VAZ002-172100-
/O.CON.KMRX.WI.Y.0002.000000T0000Z-120117T2100Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
WISE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...WISE...NORTON
341 AM EST TUE JAN 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EST THIS
AFTERNOON...

* EVENT...SOUTHWEST WINDS OF 15 TO 30 MPH ARE EXPECTED...WITH GUSTS
  UP TO 45 MPH.

* TIMING...WINDS WILL BE STRONG THROUGH MUCH OF THE DAY...THEN
  BEGIN TO DIMINISH IN THE LATE AFTERNOON.

* 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.

&&

$$

DGS
510 
WWUS74 KMRX 172046
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
346 PM EST TUE JAN 17 2012


TNZ018-041-043-045-047-072-074-VAZ002-172200-
/O.CAN.KMRX.WI.Y.0002.000000T0000Z-120117T2100Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
WISE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...WISE...NORTON
346 PM EST TUE JAN 17 2012

...WIND ADVISORY IS CANCELLED...

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

WINDS WILL SLOWLY DECREASE THROUGH THE REST OF THE AFTERNOON WITH
SUSTAINED WINDS AND GUSTS EXPECTED TO BE BELOW ADVISORY LEVELS.
THEREFORE...THE WINDS ADVISORY HAS BEEN CANCELLED.
HOWEVER...THUNDERSTORMS APPROACHING THE AREA COULD PRODUCE BRIEF
STRONG AND GUSTY WINDS AS THE STORMS MOVES THROUGH.

$$

Nearby

Wind Advisories in Tennessee, 2012Wind Advisories in Virginia, 2012Every wind advisory in 2012

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.