Area Forecast Discussion
Issued by NWS Knoxville/Tri Cities, TN

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FXUS64 KMRX 020121 AAA
AFDMRX

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
921 PM EDT FRI AUG 1 2014

.DISCUSSION...WIDELY SCATTERED TO SCATTERED SHOWERS AND ISOLATED
THUNDERSTORMS CONTINUE TO DEVELOP THIS EVENING...GENERALLY OVER
THE PLATEAU...SOUTHEAST TENNESSEE AND SOUTHWEST NORTH CAROLINA.
THE MAIN FORCING IS A WEAK SHORT-WAVE MOVING ACROSS THE AREA WITH
AN INVERTED TROUGH ACROSS THE PLATEAU/SOUTHEAST TENNESSEE. LATEST
SPC MESO-ANALYSIS SHOWS A RIDGE OF HIGH THETA-E OVER THIS AREA WITH
CAPES OF 1000 J/KG.

LATEST HRRR MODEL SHOWS CONTINUE WIDELY SCATTERED SHOWER
DEVELOPMENT OVER THIS AREA OVERNIGHT...SO WILL KEEP 20-30 POPS
THERE AS WELL AS INCREASE CLOUD COVER. AS FOR FOG DEVELOPMENT...
SOUTHWEST VIRGINIA/NORTHEAST TENNESSEE HAVE THE BEST CHANCE DUE TO
LESS CLOUD COVER.

MADE SOME MINOR ADJUSTMENTS TO TEMPERATURES.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             66  86  66  88 /  30  40  20  20
KNOXVILLE MCGHEE TYSON AIRPORT, TN  64  85  65  86 /  20  20  30  20
OAK RIDGE, TN                       63  86  64  87 /  20  20  20  20
TRI CITIES AIRPORT, TN              60  83  60  83 /  20  30  30  20

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.
&&

$$




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