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

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FXUS64 KMRX 230654
AFDMRX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
254 AM EDT SAT MAY 23 2015

.SHORT TERM (TODAY AND TONIGHT)...
HIGH PRESSURE AT THE SURFACE HAS SHIFTED EAST OF THE
APPALACHIANS...AND ITS POSITION OVER THE DELMARVA REGION WILL
PROVIDE A WEAK SOUTHERLY FLOW IN THE TN VALLEY TODAY. WITH ONLY A
FEW CLOUDS EXPECTED AFTER MORNING CIRRUS EXITS...HIGHS WILL REACH
INTO THE UPPER 70S AND LOWER 80S FOR THE VALLEY. THE MID TO UPPER
LEVEL RIDGE BUILDS OVER THE AREA TONIGHT. A LITTLE CIRRUS MAY BE
ROUNDING THE RIDGE...BUT WITH MOSTLY CLEAR SKIES EXPECTED...LOWS
WILL BE IN THE 50S FOR MOST SPOTS.

.LONG TERM (TOMORROW THROUGH SATURDAY)...
RIDGE OF HIGH PRESSURE REMAINS CENTERED OFF THE ATLANTIC COAST OF
FLORIDA THROUGH THE FIRST COUPLE OF DAYS OF THE LONG TERM FORECAST.
SOME SHORTWAVES PASS AROUND THE HIGH PRESSURE, AND THE MAJORITY OF
THE PRECIP SHOULD STAY OFF TO OUR WEST WITH THESE FIRST FEW WAVES OF
ENERGY. BUT SOME OF THE NEW MODEL RUNS ARE SUGGESTING THAT AREAS
ALONG AND NEAR THE CUMBERLAND PLATEAU COULD SEE SOME CHANCES FOR
PRECIPITATION AS EARLY AS MONDAY. BETTER CHANCES FOR MOST PEOPLE IN
THE CWA WILL HAVE TO WAIT UNTIL TUESDAY/WEDNESDAY WHEN THE HIGH
MOVES FURTHER OFF TO THE EAST ALLOWING MORE OF THE MOISTURE WEST OF
THE HIGH/EAST OF THE TROUGH TO MOVE OVER THE AREA.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             82  57  85  67 /   0   0  10  10
KNOXVILLE MCGHEE TYSON AIRPORT, TN  80  56  84  63 /   0   0   0   0
OAK RIDGE, TN                       80  55  85  63 /   0   0  10  10
TRI CITIES AIRPORT, TN              79  52  83  55 /   0   0   0   0

&&

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

$$

DGS/ABM


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