Alert archive / Virginia / Wind Advisories in 2018

Wind Advisory 13, NWS Morristown, TN

September 15, 20187 counties in Virginia; 7 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Sep 15, 2018, 3:45 AM EDT for 7 counties in Virginia; 7 counties in Tennessee. It took effect at Sep 15, 2018, 4:00 PM EDT. It was in force for 24 hr.

The area

The counties it named.

The facts

Issued
Sep 15, 2018, 3:45 AM EDT (07:45 UTC)
In effect from
Sep 15, 2018, 4:00 PM EDT
Expired
Sep 16, 2018, 4:00 PM EDT
In force
24 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 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), 74 km from the middle of the area, began a volume at 07:46 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, 7.8 hours before the alert went out and 249 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 00:00Z on 2018-09-15Temperature 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 00:00Z on 2018-09-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 31 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
3163 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
31 m²/s²
0-3 km storm-relative helicity
17 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

844 
WWUS74 KMRX 150745
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
345 AM EDT Sat Sep 15 2018

...Remnants of Florence will produce Windy Conditions late Today
and Sunday...

.Tropical storm Florence will move slowly toward the southern 
Appalachians today and Sunday. The strong winds around this system
will produce windy conditions across the higher elevations late
today through Sunday. 


TNZ018-041-043-045>047-072-074-VAZ001-002-005-006-008-151545-
/O.NEW.KMRX.WI.Y.0013.180915T2000Z-180916T2000Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Northwest Carter-Southeast Carter-Blount Smoky Mountains-
Sevier Smoky Mountains-Lee-Wise-Scott-Russell-Washington-
Including the cities of Mountain City, Cosby, Cedar Creek, Erwin,
Elizabethton, Roan Mountain, Cades Cove, Gatlinburg, Jonesville, 
Wise, Norton, Gate City, Lebanon, and Abingdon
345 AM EDT Sat Sep 15 2018

...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 PM EDT
SUNDAY...

The National Weather Service in Morristown has issued a Wind
Advisory, which is in effect from 4 PM this afternoon to 4 PM EDT
Sunday. 

* EVENT...Strong and gusty easterly winds of 15 to 30 mph with
  gusts to 45 mph.

* TIMING...From late Today through Sunday afternoon

* IMPACTS...These winds may down trees or tree limbs...as well as
  power lines. Loose outdoor objects should be secured. Motorists
  should be extra cautious to cross winds especially 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.
Use extra caution.

&&

$$
5 follow-up statements
895 
WWUS74 KMRX 152022
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
422 PM EDT Sat Sep 15 2018

...Remnants of Florence Will Produce Windy Conditions Tonight and
Sunday...

.Tropical Storm Florence will continue to slowly approach the 
southern Appalachians tonight and Sunday. The strong winds around 
this system will produce windy conditions across the higher 
elevations tonight through Sunday.

TNZ018-041-043-045>047-072-074-VAZ001-002-005-006-008-160600-
/O.CON.KMRX.WI.Y.0013.000000T0000Z-180916T2000Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Northwest Carter-Southeast Carter-Blount Smoky Mountains-
Sevier Smoky Mountains-Lee-Wise-Scott-Russell-Washington-
Including the cities of Mountain City, Cosby, Cedar Creek, Erwin,
Elizabethton, Roan Mountain, Cades Cove, Gatlinburg, Jonesville, 
Wise, Norton, Gate City, Lebanon, and Abingdon
422 PM EDT Sat Sep 15 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT SUNDAY...

* EVENT...Strong and gusty easterly winds of 15 to 30 mph with 
  gusts to 45 mph. 

* TIMING...From tonight through Sunday afternoon

* IMPACTS...These winds may down trees or tree limbs...as well 
  as power lines. Loose outdoor objects should be secured. 
  Motorists should be extra cautious to cross winds especially 
  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.
Use extra caution.

&&

$$
197 
WWUS74 KMRX 160310
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
1110 PM EDT Sat Sep 15 2018

...Remnants of Florence Will Produce Windy Conditions Tonight and
Sunday...

.Tropical Storm Florence will continue to slowly approach the
southern Appalachians tonight and Sunday. The strong winds around
this system will produce windy conditions across the higher
elevations tonight through Sunday.

TNZ018-041-043-045>047-072-074-VAZ001-002-005-006-008-160900-
/O.CON.KMRX.WI.Y.0013.000000T0000Z-180916T2000Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Northwest Carter-Southeast Carter-Blount Smoky Mountains-
Sevier Smoky Mountains-Lee-Wise-Scott-Russell-Washington-
Including the cities of Mountain City, Cosby, Cedar Creek, Erwin,
Elizabethton, Roan Mountain, Cades Cove, Gatlinburg, Jonesville, 
Wise, Norton, Gate City, Lebanon, and Abingdon
1110 PM EDT Sat Sep 15 2018

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT SUNDAY...

* EVENT...Strong and gusty easterly winds of 15 to 30 mph with 
  gusts to 45 mph. 

* TIMING...Through Sunday afternoon

* IMPACTS...These winds may down trees or tree limbs...as well 
  as power lines. Loose outdoor objects should be secured. 
  Motorists should be extra cautious to cross winds especially 
  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.
Use extra caution.

&&

$$
646 
WWUS74 KMRX 160702
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
302 AM EDT Sun Sep 16 2018

...Remnants of Florence Will Produce Windy Conditions today...

.The remnants of Florence will track into our area today. The 
strong winds around this system will produce windy conditions 
across the higher elevations through much of toddy.

TNZ018-041-043-045>047-072-074-VAZ001-002-005-006-008-161600-
/O.CON.KMRX.WI.Y.0013.000000T0000Z-180916T2000Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Northwest Carter-Southeast Carter-Blount Smoky Mountains-
Sevier Smoky Mountains-Lee-Wise-Scott-Russell-Washington-
Including the cities of Mountain City, Cosby, Cedar Creek, Erwin,
Elizabethton, Roan Mountain, Cades Cove, Gatlinburg, Jonesville, 
Wise, Norton, Gate City, Lebanon, and Abingdon
302 AM EDT Sun Sep 16 2018

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

* EVENT...Strong and gusty easterly winds of 15 to 30 mph with
  gusts to 45 mph, especially in the higher elevations. 

* TIMING...Through this afternoon

* IMPACTS...These winds may down trees or tree limbs...as well 
  as power lines. Loose outdoor objects should be secured. 
  Motorists should be extra cautious to cross winds especially 
  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.
Use extra caution.

&&

$$
178 
WWUS74 KMRX 161357
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
957 AM EDT Sun Sep 16 2018

...Remnants of Florence Will Produce Windy Conditions today...

.The remnants of Florence will track into our area today. The
strong winds around this system will produce windy conditions
across the higher elevations through much of today.

TNZ018-041-043-045>047-072-074-VAZ001-002-005-006-008-162000-
/O.CON.KMRX.WI.Y.0013.000000T0000Z-180916T2000Z/
Johnson-Cocke Smoky Mountains-Southeast Greene-Unicoi-
Northwest Carter-Southeast Carter-Blount Smoky Mountains-
Sevier Smoky Mountains-Lee-Wise-Scott-Russell-Washington-
Including the cities of Mountain City, Cosby, Cedar Creek, Erwin,
Elizabethton, Roan Mountain, Cades Cove, Gatlinburg, Jonesville, 
Wise, Norton, Gate City, Lebanon, and Abingdon
957 AM EDT Sun Sep 16 2018

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

* EVENT...Windy conditions have been reported across the higher
  elevations this morning with gusts up to 50 mph across the Smoky
  Mountains early this morning. Strong and gusty easterly winds of
  15 to 30 mph with gusts to 45 mph with continue, especially in 
  the higher elevations. 

* TIMING...Through this afternoon

* IMPACTS...These winds may down trees or tree limbs...as well 
  as power lines. Loose outdoor objects should be secured. 
  Motorists should be extra cautious to cross winds especially 
  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.
Use extra caution.

&&

$$
568 
WWUS74 KMRX 162004
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
404 PM EDT Sun Sep 16 2018

...Windy Conditions across the Higher Elevations of southwest 
Virginia and northeast Tennessee this Evening...

.The remnants of Florence will track into our area overnight. The
strong winds around this system will produce windy conditions 
across the higher elevations of southwest Virginia and northeast
Tennessee through this evening. The strong winds combined with the
wet ground may down trees.


TNZ018-043-045>047-VAZ001-002-005-006-008-170400-
/O.EXP.KMRX.WI.Y.0013.000000T0000Z-180916T2000Z/
/O.NEW.KMRX.WI.Y.0014.180916T2004Z-180917T0400Z/
Johnson-Southeast Greene-Unicoi-Northwest Carter-Southeast Carter-
Lee-Wise-Scott-Russell-Washington-
Including the cities of Mountain City, Cedar Creek, Erwin, 
Elizabethton, Roan Mountain, Jonesville, Wise, Norton, Gate City,
Lebanon, and Abingdon
404 PM EDT Sun Sep 16 2018

...WIND ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT...

The National Weather Service in Morristown has issued a Wind
Advisory, which is in effect until midnight EDT tonight. 

* EVENT...Windy conditions have been reported across the higher
  elevations today with gusts up to 50 mph across the Smoky
  Mountains this morning. Strong and gusty easterly winds of 15 
  to 30 mph with gusts to 45 mph with continue, especially in the 
  higher elevations. 

* TIMING...Through this evening, diminishing after midnight.

* IMPACTS...These winds may down trees or tree limbs...as well 
  as power lines. Loose outdoor objects should be secured. 
  Motorists should be extra cautious to cross winds especially 
  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.
Use extra caution.

&&

$$

TNZ041-072-074-162115-
/O.EXP.KMRX.WI.Y.0013.000000T0000Z-180916T2000Z/
Cocke Smoky Mountains-Blount Smoky Mountains-
Sevier Smoky Mountains-
Including the cities of Cosby, Cades Cove, and Gatlinburg
404 PM EDT Sun Sep 16 2018

...WIND ADVISORY HAS EXPIRED...

The strong and gusty easterly winds are diminishing, but will
remain between 15 to 25 mph with gusts to 35 mph early this
evening.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 10:17 AM EDTRiver Flood WarningMRXCocke, Jefferson71 hr

Nearby

Wind Advisories in Virginia, 2018Wind Advisories in Tennessee, 2018Every wind advisory in 2018

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.