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

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FXUS64 KMRX 300737
AFDMRX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
337 AM EDT SAT MAY 30 2015

.SHORT TERM...(TODAY AND TONIGHT)...A SIMILAR WEATHER PATTERN TODAY
AS FRIDAY BUT WITH LESS COVERAGE OF SHOWERS AND STORMS. SURFACE
HIGH AND UPPER LEVEL RIDGE ALONG THE EAST COAST STAYS STRONG OR
EVEN STRENGTHENS ONE MORE DAY. EARLY THIS MORNING PATCHES OF CLOUDS
WERE MOVING FROM SOUTH TO NORTH ACROSS THE REGION. A FEW PATCHES OF
FOG HAD FORMED AND TEMPERATURES WERE IN THE 60S TO AROUND 70. MOST
LOCATIONS MAY NOT SEE RAIN WITH JUST HIGHER ELEVATIONS OF PLATEAU
AND MOUNTAINS BEST CHANCE. WEAK COLD FRONT FROM GREAT LAKES
SOUTHWEST TO THE TEXAS PANHANDLE WILL ADVANCE INTO THE LOWER OHIO
AND LOWER MS VALLEY BY THIS EVENING...THEN INTO THE TN VALLEY
TONIGHT. AS THE FRONT APPROACHES LATE TONIGHT SKIES WILL BECOME
MOSTLY CLOUDY WITH INCREASING CHANCE OF SHOWERS AND STORMS TOWARD
MORNING. BOTH HIGHS AND LOWS LOOK ABOUT THE SAME AS FRIDAYS IN THE
MID 80S DURING THE DAY AND LOWER TO MID 60S TONIGHT.

.LONG TERM...(SUNDAY THROUGH FRIDAY)...A WEAK...BROAD FRONTAL
BOUNDARY WILL SLOWLY WORK ITS WAY ACROSS THE SOUTHERN APPALACHIAN
REGION SUNDAY INTO MONDAY. DEEP MOISTURE IN PLACE AND WEAK TO
MODERATE INSTABILITY WILL ALLOW SCATTERED SHOWERS AND THUNDERSTORMS
TO DEVELOP ACROSS THE REGION. A STRAY STORM COULD BECOME STRONG AND
WITH A WEAK WIND FIELD OVER THE AREA...STORMS WILL MOVE SLOWLY AND
MAY PRODUCE LOCALLY HEAVY RAIN. TUESDAY AND WEDNESDAY WILL BE
BETWEEN SYSTEMS WITH THE MAIN THREAT ISOLATED TO SCATTERED DIURNAL
CONVECTION. THURSDAY AND FRIDAY...AN UPPER LOW MOVING INTO THE
CAROLINAS WILL ADD MOISTURE AND WEAK LIFT ACROSS THE REGION FOR AN
INCREASED CHANCE OF THUNDERSTORMS.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             86  66  81  65 /  20  20  50  30
KNOXVILLE MCGHEE TYSON AIRPORT, TN  86  65  80  64 /  10  20  50  40
OAK RIDGE, TN                       87  65  80  64 /  10  20  50  30
TRI CITIES AIRPORT, TN              85  62  78  62 /  20  20  60  40

&&

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

$$

TD/MJB



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