Alert archive / Tennessee / Wind Advisories in 2017

Wind Advisory 7, NWS Morristown, TN

February 24, 2017Blount County, Cocke County, Sevier County, Tennessee

NWS Morristown, TN issued this wind advisory at Feb 24, 2017, 3:39 AM EST for Blount County, Cocke County, Sevier County, Tennessee. It took effect at Feb 24, 2017, 7:00 PM EST. It was in force for 12 hr.

The area

The counties it named.

The facts

Issued: Feb 24, 2017, 3:39 AM EST (08:39 UTC)
In effect from: Feb 24, 2017, 7:00 PM EST
Expired: Feb 25, 2017, 7:00 AM EST
In force: 12 hr
Issued by: NWS Morristown, TN

Counties Blount County, TN, Cocke County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 42 km from the middle of the area, began a volume at 08:41 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, 8.7 hours before the alert went out and 279 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1373 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 90 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

625 
WWUS74 KMRX 240839
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
339 AM EST Fri Feb 24 2017

...STRONG SOUTHERLY WINDS EXPECTED TONIGHT OVER THE GREAT SMOKY
MOUNTAINS...

.Strong and gusty southerly winds can be expected tonight into 
early Saturday morning across the high terrain of the Great Smoky
Mountains of East Tennessee. Elevations above 3000 feet will see 
sustained winds from 20 to 30 mph, with gusts up to 45 mph. These
winds will taper off after sunrise Saturday morning.

TNZ041-072-074-241645-
/O.NEW.KMRX.WI.Y.0007.170225T0000Z-170225T1200Z/
Cocke Smoky Mountains-Blount Smoky Mountains-
Sevier Smoky Mountains-
Including the cities of Cosby, Cades Cove, and Gatlinburg
339 AM EST Fri Feb 24 2017

...WIND ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM EST
SATURDAY...

The National Weather Service in Morristown has issued a Wind
Advisory, which is in effect from 7 PM this evening to 7 AM EST
Saturday. 

* EVENT...Southerly winds of 20 to 30 mph, with gusts to 45 mph. 

* TIMING...7 PM tonight through 7 AM Saturday morning. 

* 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.

&&

$$

3 follow-up statements

253 
WWUS74 KMRX 242007
NPWMRX

URGENT - WEATHER MESSAGE
National Weather Service Morristown TN
307 PM EST Fri Feb 24 2017

...STRONG SOUTHERLY WINDS EXPECTED TONIGHT OVER THE GREAT SMOKY
MOUNTAINS...

.Strong and gusty southerly winds can be expected tonight into
early Saturday morning across the high terrain of the Great Smoky
Mountains of East Tennessee. Elevations above 3000 feet will see
sustained winds from 20 to 30 mph, with gusts up to 45 mph. These
winds will taper off after sunrise Saturday morning.

TNZ041-072-074-250415-
/O.CON.KMRX.WI.Y.0007.170225T0000Z-170225T1200Z/
Cocke Smoky Mountains-Blount Smoky Mountains-
Sevier Smoky Mountains-
Including the cities of Cosby, Cades Cove, and Gatlinburg
307 PM EST Fri Feb 24 2017

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM
EST SATURDAY...

* EVENT...Southerly winds of 20 to 30 mph, with gusts to 45 mph.

* TIMING...7 PM tonight through 7 AM Saturday morning.

* 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.

&&

$$

683 
WWUS74 KMRX 250247 AAA
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Morristown TN
947 PM EST Fri Feb 24 2017

...STRONG SOUTHERLY WINDS EXPECTED TONIGHT OVER THE GREAT SMOKY
MOUNTAINS...

.Strong and gusty southerly winds can be expected late this 
evening and into early Saturday morning across the higher terrain
of the Great Smoky Mountains of east Tennessee. Elevations above 
3000 feet will see sustained winds from 20 to 30 mph, with gusts 
up to 45 mph. These winds will taper off around sunrise Saturday 
morning.

TNZ041-072-074-251200-
/O.CON.KMRX.WI.Y.0007.000000T0000Z-170225T1200Z/
Cocke Smoky Mountains-Blount Smoky Mountains-
Sevier Smoky Mountains-
Including the cities of Cosby, Cades Cove, and Gatlinburg
947 PM EST Fri Feb 24 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST SATURDAY...

* EVENT...Southerly winds of 20 to 30 mph, with gusts to 45 mph.

* TIMING...7 PM tonight through 7 AM Saturday morning.

* 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.

&&

$$

TD

228 
WWUS74 KMRX 250910 AAB
NPWMRX

URGENT - WEATHER MESSAGE...UPDATED
National Weather Service Morristown TN
410 AM EST Sat Feb 25 2017

...STRONG SOUTHERLY WINDS EXPECTED OVER THE GREAT SMOKY MOUNTAINS
EARLY THIS MORNING...

.Strong and gusty southerly winds can be expected early this morning
across the higher terrain of the Great Smoky Mountains of east 
Tennessee. Elevations above 3000 feet will see sustained winds 
from 20 to 30 mph, with gusts up to 45 mph. These winds will taper
off after sunrise.

TNZ041-072-074-251200-
/O.CON.KMRX.WI.Y.0007.000000T0000Z-170225T1200Z/
Cocke Smoky Mountains-Blount Smoky Mountains-
Sevier Smoky Mountains-
Including the cities of Cosby, Cades Cove, and Gatlinburg
410 AM EST Sat Feb 25 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

* EVENT...Southerly winds of 20 to 30 mph, with gusts to 45 mph.

* TIMING...Now through 7 AM Saturday morning.

* 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.

&&

$$

Nearby

Wind Advisories in Tennessee, 2017 Every wind advisory in 2017

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.