National Weather Service Text Product Display

Area Forecast Discussion
Issued by NWS Nashville, TN

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FXUS64 KOHX 120910
AFDOHX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
310 AM CST THU DEC 12 2013

.DISCUSSION...
1038 MBAR SURFACE HIGH WILL WORK ACROSS THE AREA TODAY WITH HIGHS
IN THE MID 30S. OVERNIGHT...THERES BEEN SOME STRATOCU ACROSS
EASTERN AREAS AND PLATEAU THAT IS EXPECTED TO MIX OUT LATER THIS
MORNING AS IT CONTINUES TO SINK SOUTHWARD. MOIST LAYER IS QUITE
THIN. BY FRIDAY GFS AND EURO IN AGREEMENT WITH SPLIT FLOW ALOFT WITH
SOUTHERN BRANCH OF POLAR JET AND ITS UPPER TROUGH BREAKING OUT
PRECIP ACROSS THE SOUTHERN PLAINS AND SPREADING IT EASTWARD INTO
TENNESSEE. COULD SEE A LITTLE BIT OF SLEET MIX WITH RAIN AT ONSET
FRIDAY AFTERNOON AND EVENING AS AIR MASS IS BONE DRY INITIALLY AND
WET BULBING WILL KICK IN RIGHT A WAY. SHOULD CHANGE TO ALL RAIN AT
SOME POINT FRIDAY EVENING AND CONTINUE ON SATURDAY AS SURFACE
INVERTED TROUGH WORKS UP ACROSS THE AREA. BOTH EURO AND GFS IN
AGREEMENT ON THIS. COULD SEE A MIX OF LIGHT RAIN/SNOW OR SLEET
SATURDAY EVENING AND OVERNIGHT IN THE EAST AND PLATEAU AS IT
TAPERS OFF. SURFACE HIGH BUILDS ACROSS THE AREA FIRST PART OF NEXT
WEEK BUT BY MID WEEK EURO AND GFS ARE QUITE DIFFERENT WITH EURO
SHOWING A GENERAL NORTHWESTERLY FLOW ALOFT AND GFS CARVING OUT A
BROAD UPPER TROUGH ACROSS THE EASTERN HALF OF THE US THAT SHARPENS
UNREALISTICALLY STRONG WEDNESDAY NIGHT. BY THURSDAY NIGHT BOTH
MODELS ARE SIMILAR AT SURFACE AND ALOFT IN BRINGING ANOTHER
CENTRAL PLAINS SYSTEM EASTWARD WITH EURO QUITE A BIT FASTER OF THE
TWO. WINTRY PRECIP NOT OUT OF THE QUESTION SATURDAY ON BACKSIDE OF
INVERTED TROUGH AS IT WORKS ACROSS THE AREA. EURO SHOWING SOME
REALLY COLD AIR WORKING DOWN INTO THE TENNESSEE VALLEY NEXT
WEEKEND WITH 1042 MBAR HIGH CENTERED OVER WESTERN PROVINCES.

BOYD

&&

.PRELIMINARY POINT TEMPS/POPS...
NASHVILLE      35  24  49  37 /   0   0  10 100
CLARKSVILLE    35  23  49  35 /   0   0  20 100
CROSSVILLE     34  21  49  36 /   0   0  10  70
COLUMBIA       37  23  50  37 /   0   0  10 100
LAWRENCEBURG   37  23  48  37 /   0   0  10 100
WAVERLY        37  24  51  36 /   0   0  20 100

&&

.OHX WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$
BOYD
01

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