Alert archive / Tennessee / Wind Advisories in 2016

Wind Advisory 8, NWS Morristown, TN

March 24, 20168 counties in Tennessee

NWS Morristown, TN issued this wind advisory at Mar 24, 2016, 12:39 PM EDT for 8 counties in Tennessee. It took effect at Mar 24, 2016, 5:00 PM EDT. It was in force for 9 hr.

The area

The counties it named.

The facts

Issued
Mar 24, 2016, 12:39 PM EDT (16:39 UTC)
In effect from
Mar 24, 2016, 5:00 PM EDT
Expired
Mar 25, 2016, 2:00 AM EDT
In force
9 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 16:40 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, 4.7 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 12:00Z on 2016-03-24Temperature 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 2016-03-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
1491 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

252 
WWUS74 KMRX 241639
NPWMRX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MORRISTOWN TN
1239 PM EDT THU MAR 24 2016

...STRONG WINDS LATE THIS AFTERNOON THROUGH LATE TONIGHT...

.A LOW PRESSURE SYSTEM WILL MOVE UP INTO THE GREAT LAKES REGION
TIGHTENING THE PRESSURE GRADIENT ACROSS OUR AREA. A STRONG LOW
LEVEL JET WILL ACCOMPANY THIS SYSTEM. THIS WILL ALLOW FOR STRONG
SOUTHERLY WINDS ACROSS THE HIGH TERRAIN OF OUR EASTERN MOUNTAINS.
SUSTAINED WINDS FROM 15 TO 30 MPH WITH GUSTS UP TO 45 MPH CAN BE
EXPECTED...MAINLY AT ELEVATIONS GREATER THAN 3000 FEET.

TNZ018-041-043-045-047-072-074-087-250100-
/O.NEW.KMRX.WI.Y.0008.160324T2100Z-160325T0600Z/
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
1239 PM EDT THU MAR 24 2016

...WIND ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM EDT
FRIDAY...

THE NATIONAL WEATHER SERVICE IN MORRISTOWN HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 AM
EDT FRIDAY. 

* EVENT...SOUTHERLY WINDS FROM 15 TO 30 MPH WITH GUSTS UP TO 45
  MPH.

* TIMING...LATE THIS AFTERNOON THROUGH LATE TONIGHT.

* IMPACTS...DRIVING MAY BECOME DIFFICULT FOR HIGH PROFILE VEHICLES.
  AREA OUTDOORSMEN SHOULD USE CAUTION WHILE DOING ANY OUTDOOR
  ACTIVITIES SUCH AS HIKING AS SMALL TREES AND BRANCHES COULD 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.

&&

$$

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.