Alert archive / Tennessee / Wind Advisories in 2017

Wind Advisory 3, NWS Morristown, TN

January 11, 2017Blount County, Cocke County, Sevier County, Tennessee

NWS Morristown, TN issued this wind advisory at Jan 11, 2017, 8:18 PM EST for Blount County, Cocke County, Sevier County, Tennessee. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Jan 11, 2017, 8:18 PM EST (01:18 UTC)
Expired
Jan 12, 2017, 10:00 AM EST
In force
14 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 01:17 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, 1.3 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-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2017-01-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 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 2017-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 543 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
2 J/kg
Mixed-layer CIN
-59 J/kg
Mixed-layer LCL
1029 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
543 m²/s²
0-3 km storm-relative helicity
727 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

163 
WWUS74 KMRX 120118
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
818 PM EST WED JAN 11 2017

...STRONG WINDS ARE EXPECTED TO DEVELOP ACROSS THE HIGHER
ELEVATIONS IN THE GREAT SMOKY MOUNTAINS OF EAST TENNESSEE...

.A STRONG MID LEVEL JET WILL MOVE THROUGH THE SOUTHERN APPALACHIAN
REGION BEHIND A FRONTAL BOUNDARY MOVING NORTH. WINDS WILL BE GUSTY
ALONG THE HIGHER ELEVATIONS OF THE EAST TENNESSEE MOUNTAINS.
SUSTAINED WINDS OF 20 TO 30 MPH WITH GUSTY WINDS OF 40 TO 50 MPH
CAN BE EXPECTED. 

TNZ041-072-074-120930-
/O.NEW.KMRX.WI.Y.0003.170112T0118Z-170112T1500Z/
COCKE SMOKY MOUNTAINS-BLOUNT SMOKY MOUNTAINS-
SEVIER SMOKY MOUNTAINS-
INCLUDING THE CITIES OF...COSBY...CADES COVE...GATLINBURG
818 PM EST WED JAN 11 2017

...WIND ADVISORY IN EFFECT UNTIL 10 AM EST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM EST THURSDAY. 

* EVENT...SUSTAINED WINDS OF 20 TO 30 MPH...WITH GUSTS OF 40 TO 50
  MPH.

* TIMING...TONIGHT THROUGH THURSDAY MORNING

* IMPACTS...DOWNED TREES AND POWER LINES WILL BE POSSIBLE...AND
  UNSECURED OUTDOOR OBJECTS MAY BE BLOWN OVER. DRIVING MAY BE
  DIFFICULT FOR HIGH PROFILE VEHICLES. 

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.

&&

$$
1 follow-up statement
544 
WWUS74 KMRX 120728
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
228 AM EST THU JAN 12 2017

...STRONG WINDS ARE EXPECTED TO CONTINUE ACROSS THE HIGHER
ELEVATIONS IN THE GREAT SMOKY MOUNTAINS OF EAST TENNESSEE
EARLY IN THE DAY...

.A STRONG MID LEVEL JET WILL CONTINUE ACROSS THE SOUTHERN
APPALACHIAN REGION THIS MORNING. WINDS WILL BE GUSTY ALONG THE
HIGHER ELEVATIONS OF THE EAST TENNESSEE MOUNTAINS. SUSTAINED WINDS
OF 20 TO 30 MPH WITH GUSTY WINDS OF 40 TO 50 MPH CAN BE EXPECTED.

TNZ041-072-074-121500-
/O.CON.KMRX.WI.Y.0003.000000T0000Z-170112T1500Z/
COCKE SMOKY MOUNTAINS-BLOUNT SMOKY MOUNTAINS-
SEVIER SMOKY MOUNTAINS-
INCLUDING THE CITIES OF...COSBY...CADES COVE...GATLINBURG
228 AM EST THU JAN 12 2017

...A WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

* EVENT...SUSTAINED WINDS OF 20 TO 30 MPH...WITH GUSTS OF 40 TO 
  50 MPH. 

* TIMING...THROUGH MID MORNING.

* IMPACTS...TREES AND POWER LINES MAY BE DOWNED...AND UNSECURED
  OUTDOOR OBJECTS MAY BE BLOWN OVER. DRIVING MAY BE DIFFICULT FOR
  HIGH PROFILE VEHICLES.

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, 2017Every 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.