Alert archive / Tennessee / Wind Advisories in 2012

Wind Advisory 11, NWS Morristown, TN

October 17, 201210 counties in Tennessee; Russell County, Washington County, City of Bristol, Virginia

NWS Morristown, TN issued this wind advisory at Oct 17, 2012, 3:21 PM EDT for 10 counties in Tennessee; Russell County, Washington County, City of Bristol, Virginia. It took effect at Oct 18, 2012, 12:00 AM EDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued
Oct 17, 2012, 3:21 PM EDT (19:21 UTC)
In effect from
Oct 18, 2012, 12:00 AM EDT
Expired
Oct 18, 2012, 10:00 AM EDT
In force
10 hr
Issued by
NWS Morristown, TN

Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, McMinn County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN, Washington County, TN, City of Bristol, VA, Russell County, VA, Washington County, VA

The radar

The Knoxville radar (KMRX), 47 km from the middle of the area, began a volume at 19:21 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, 7.4 hours before the alert went out and 268 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 2012-10-17Temperature 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 2012-10-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 24 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
1416 m above ground
0-6 km bulk shear
18 kt
0-1 km storm-relative helicity
24 m²/s²
0-3 km storm-relative helicity
33 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.

281 
WWUS74 KMRX 171921
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
321 PM EDT WED OCT 17 2012

...STRONG GUSTY WINDS POSSIBLE ALONG THE FOOTHILLS AFTER MIDNIGHT
TONIGHT...

.A COLD FRONT WILL APPROACH THE SOUTHERN APPALACHIAN REGION LATE
TONIGHT...WITH STRONG SOUTHERLY LOW-LEVEL WINDS EXPECTED TO DEVELOP
AROUND THE MOUNTAINS. THESE SOUTHERLY WINDS WILL HELP TO GENERATE
MOUNTAIN WAVES NEAR THE FOOTHILLS OF THE APPALACHIAN MOUNTAINS.
STRONG WINDS OF 25 TO 35 MPH WITH HIGHER GUSTS WILL BE POSSIBLE IN
A NARROW ZONE ALONG THE FOOTHILLS AFTER MIDNIGHT TONIGHT.


TNZ018-040>047-071>074-085>087-VAZ006-008-180400-
/O.NEW.KMRX.WI.Y.0011.121018T0400Z-121018T1400Z/
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-MCMINN-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...ATHENS...MADISONVILLE...COKER CREEK...LEBANON...
ABINGDON
321 PM EDT WED OCT 17 2012

...WIND ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 10 AM
THURSDAY MORNING...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT UNTIL 10 AM
THURSDAY MORNING.

* EVENT...STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH HIGHER GUSTS
  WILL BE POSSIBLE...ESPECIALLY IN A NARROW ZONE ALONG THE
  FOOTHILLS.

* TIMING...WINDS WILL INCREASE AFTER MIDNIGHT TONIGHT...AND WILL
  CONTINUE THROUGH THURSDAY MORNING.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
  ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE CAUTION WHEN
  DRIVING.


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.

&&

$$

DMG
2 follow-up statements
663 
WWUS74 KMRX 180120
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
920 PM EDT WED OCT 17 2012

...STRONG GUSTY WINDS POSSIBLE ALONG THE FOOTHILLS TONIGHT...

.A COLD FRONT WILL APPROACH THE SOUTHERN APPALACHIAN REGION LATE
TONIGHT...WITH STRONG SOUTHERLY LOW-LEVEL WINDS EXPECTED TO
DEVELOP AROUND THE MOUNTAINS. THESE SOUTHERLY WINDS WILL HELP TO
GENERATE MOUNTAIN WAVES NEAR THE FOOTHILLS OF THE APPALACHIAN
MOUNTAINS. STRONG WINDS OF 25 TO 35 MPH WITH HIGHER GUSTS WILL BE
POSSIBLE IN A NARROW ZONE ALONG THE FOOTHILLS TONIGHT.

TNZ018-040>047-071>074-085>087-VAZ006-008-180930-
/O.CON.KMRX.WI.Y.0011.121018T0400Z-121018T1400Z/
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-MCMINN-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...ATHENS...MADISONVILLE...COKER CREEK...LEBANON...
ABINGDON
920 PM EDT WED OCT 17 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THURSDAY...

* EVENT...STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS WILL BE POSSIBLE...ESPECIALLY IN A NARROW ZONE ALONG THE 
  FOOTHILLS. 

* TIMING...WINDS WILL INCREASE TONIGHT...AND WILL CONTINUE THROUGH
  EARLY THURSDAY MORNING.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE CAUTION WHEN 
  DRIVING. 

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.

&&

$$
231 
WWUS74 KMRX 180825 AAA
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
425 AM EDT THU OCT 18 2012

...STRONG GUSTY WINDS POSSIBLE ALONG THE FOOTHILLS EARLY THIS
MORNING...

.A COLD FRONT WILL TRACK THROUGH THE SOUTHERN APPALACHIAN REGION
THIS MORNING...WITH STRONG SOUTHERLY LOW-LEVEL WINDS EXPECTED TO
DEVELOP AROUND THE MOUNTAINS. THESE SOUTHERLY WINDS WILL HELP TO
GENERATE MOUNTAIN WAVES NEAR THE FOOTHILLS OF THE APPALACHIAN
MOUNTAINS. STRONG WINDS OF 25 TO 35 MPH WITH HIGHER GUSTS WILL BE
POSSIBLE IN A NARROW ZONE ALONG THE FOOTHILLS.

TNZ018-040>047-071>074-085>087-VAZ006-008-181400-
/O.CON.KMRX.WI.Y.0011.000000T0000Z-121018T1400Z/
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-MCMINN-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...ATHENS...MADISONVILLE...COKER CREEK...LEBANON...
ABINGDON
425 AM EDT THU OCT 18 2012

...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING...

* EVENT...STRONG SOUTHERLY WINDS OF 25 TO 35 MPH WITH HIGHER 
  GUSTS WILL BE POSSIBLE...ESPECIALLY IN A NARROW ZONE ALONG THE 
  FOOTHILLS. 

* TIMING...STRONG SOUTHERLY WINDS WILL DEVELOP AND PERSIST THROUGH
  THE MID MORNING.

* IMPACTS...WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT... 
  ESPECIALLY FOR HIGH PROFILE VEHICLES...SO USE CAUTION WHEN 
  DRIVING. 

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.

&&

$$

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.