Alert archive / Tennessee / Wind Advisories in 2016

Wind Advisory 4, NWS Morristown, TN

February 15, 20168 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Feb 15, 2016, 3:50 AM EST for 8 counties in Tennessee. It took effect at Feb 15, 2016, 4:00 AM EST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Feb 15, 2016, 3:50 AM EST (08:50 UTC)
In effect from
Feb 15, 2016, 4:00 AM EST
Expired
Feb 15, 2016, 12:15 PM EST
In force
8 hr
Issued by
NWS Morristown, TN

Counties Blount County, TN, Carter County, TN, Cocke County, TN, Greene County, TN, Johnson County, TN, Monroe County, TN, Sevier County, TN, Unicoi County, TN

The radar

The Knoxville radar (KMRX), 41 km from the middle of the area, began a volume at 08:54 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, 8.8 hours before the alert went out and 280 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 2016-02-15Temperature 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 2016-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 272 square meters per square second.1939587897117Sfc1 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
1745 m above ground
0-6 km bulk shear
58 kt
0-1 km storm-relative helicity
272 m²/s²
0-3 km storm-relative helicity
490 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

112 
WWUS74 KMRX 150850
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
350 AM EST MON FEB 15 2016

...STRONG AND GUSTY WINDS EXPECTED OVER THE HIGHER ELEVATIONS AND
FOOTHILLS...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO THE AREA TODAY BEFORE
EXITING TO THE NORTHEAST TONIGHT. THIS SYSTEM WILL BRING STRONG AND
GUSTY WINDS TO THE HIGHER ELEVATIONS AND FOOTHILLS OF THE EAST
TENNESSEE MOUNTAINS TODAY AND TONIGHT.  

TNZ018-041-043-045-047-072-074-087-151700-
/O.NEW.KMRX.WI.Y.0004.160215T0900Z-160216T0900Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
SOUTHEAST MONROE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...COKER CREEK
350 AM EST MON FEB 15 2016

...WIND ADVISORY IN EFFECT UNTIL 4 AM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 4 AM EST TUESDAY. 

* EVENT...SOUTH TO SOUTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS AS
  HIGH AS 50 MPH CAN BE EXPECTED AT TIMES ACROSS THE HIGHER
  ELEVATIONS AND FOOTHILLS.

* TIMING...TODAY UNTIL LATE TONIGHT. 

* IMPACTS...DRIVING MAY BE DIFFICULT IN CROSS WINDS...ESPECIALLY
  FOR HIGH PROFILE VEHICLES. LARGE BRANCHES AND SOME WEAKER TREES
  MAY BE DOWNED.  

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.

&&

$$
1 follow-up statement
182 
WWUS74 KMRX 151715
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
1215 PM EST MON FEB 15 2016

...STRONG AND GUSTY WINDS EXPECTED OVER THE HIGHER ELEVATIONS AND
FOOTHILLS...

.A STRONG LOW PRESSURE SYSTEM WILL APPROACH THE AREA THIS AFTERNOON
BEFORE EXITING TO THE NORTHEAST LATE TONIGHT. THIS SYSTEM WILL
BRING STRONG AND GUSTY WINDS TO THE HIGHER ELEVATIONS AND ADJACENT
FOOTHILLS OF THE EAST TENNESSEE MOUNTAINS TODAY AND TONIGHT.

TNZ018-041-043-045-047-072-074-087-160100-
/O.UPG.KMRX.WI.Y.0004.000000T0000Z-160216T0900Z/
/O.NEW.KMRX.HW.W.0002.160215T1715Z-160216T0900Z/
JOHNSON-COCKE SMOKY MOUNTAINS-SOUTHEAST GREENE-UNICOI-
SOUTHEAST CARTER-BLOUNT SMOKY MOUNTAINS-SEVIER SMOKY MOUNTAINS-
SOUTHEAST MONROE-
INCLUDING THE CITIES OF...MOUNTAIN CITY...COSBY...CEDAR CREEK...
ERWIN...ROAN MOUNTAIN...CADES COVE...GATLINBURG...COKER CREEK
1215 PM EST MON FEB 15 2016

...HIGH WIND WARNING IN EFFECT UNTIL 4 AM EST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT UNTIL 4 AM EST TUESDAY. THE WIND
ADVISORY IS NO LONGER IN EFFECT. 

* EVENT...SOUTH TO SOUTHEAST WINDS OF 30 TO 40 MPH WITH GUSTS AS
  HIGH AS 70 MPH CAN BE EXPECTED AT TIMES ACROSS THE HIGHER
  ELEVATIONS AND ADJACENT FOOTHILLS.

* TIMING...TODAY UNTIL LATE TONIGHT.

* IMPACTS...DRIVING MAY BE DIFFICULT IN CROSS WINDS...ESPECIALLY 
  FOR HIGH PROFILE VEHICLES. LARGE BRANCHES AND SOME WEAKER 
  TREES MAY BE DOWNED. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED
OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH AND/OR
GUSTS OF 58 MPH OR HIGHER CAN BE EXPECTED AT TIMES.  WINDS OF
THESE MAGNITUDES CAN CAUSE PROPERTY DAMAGE AND POWER OUTAGES.
MOTORISTS SHOULD USE CAUTION...ESPECIALLY THOSE IN HIGH PROFILE
VEHICLES.

&&

$$

TD

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 11:03 AM ESTRiver Flood WarningMRXBledsoe, Marion, Sequatchie52 hr
Feb 15, 11:30 AM ESTFlood WatchMRXAnderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more16 hr
Feb 15, 12:15 PM ESTHigh Wind WarningMRXBlount, Carter, Cocke, Greene, Johnson, Monroe and 2 more16 hr
Feb 15, 3:03 PM ESTAreal Flood AdvisoryMRXBledsoe, Bradley, Hamilton, Marion, Meigs, Rhea and 1 more117 min

Nearby

Wind Advisories in Tennessee, 2016Every wind advisory in 2016

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.