Area Forecast Discussion
Issued by NWS Memphis, TN

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FXUS64 KMEG 211121
AFDMEG

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
521 AM CST SUN DEC 21 2014

.DISCUSSION...
UPDATED FOR 12Z AVIATION DISCUSSION.

&&

.PREV DISCUSSION... /ISSUED 408 AM CST SUN DEC 21 2014/

DISCUSSION...

A SFC HIGH OVER THE OHIO VALLEY IS RIDGING INTO OUR FORECAST AREA
THIS MORNING PROVIDING RADIATIONAL COOLING TO W TN AND N MS.
FARTHER TO THE WEST OVER AR AND MO...SOUTHERLY WINDS ON THE BACK
SIDE OF THE HIGH ARE PROVIDING LOW CLOUDS FROM MOISTURE
ADVECTION. EXPECT A MAINLY SUNNY DAY TODAY WITH A FEW MORE CLOUDS
LINGERING THIS MORNING OVER PARTS OF THE NW. THE SFC HIGH WILL
RETREAT TO THE NE OVER THE NEXT COUPLE OF DAYS GIVING WAY TO THE
NEXT SYSTEM EARLY THIS WEEK.

A COLD FRONT WILL MOVE THROUGH THE FORECAST AREA TUESDAY AND
PROVIDE HIGH CHANCES OF SHOWERS AND POSSIBLE THUNDERSTORMS. THE
BEST CHANCE OF THUNDERSTORMS WILL BE OVER NE MS TUESDAY AFTERNOON.
RAIN WILL LINGER BEHIND THE FRONT TUESDAY NIGHT. A VIGOROUS
SHORTWAVE WILL PROVIDE A CHANCE OF RAIN OR SNOW SHOWERS WEDNESDAY
FOLLOWED BY CLEARING WEDNESDAY NIGHT. CHRISTMAS DAY WILL BE SUNNY
AND BECOME A LITTLE MILDER IN THE AFTERNOON AS WINDS BECOME MORE
SOUTHWESTERLY.

THE NEXT COLD FRONT WILL MOVE THROUGH LATE FRIDAY OR FRIDAY NIGHT
AND PROVIDE ANOTHER CHANCE OF RAIN. EXPECT COOLER AND DRIER
CONDITIONS OVER THE COMING WEEKEND.

SWC

&&

.AVIATION...
12Z TAFS

VFR WEATHER THROUGH MOST OF THE PERIOD...WITH IFR/MVFR CIGS
MOVING IN LATE. LIGHT EAST WINDS WILL VEER SOUTHEAST THROUGH
SOUTH AND BEGIN INCREASING OVERNIGHT.

JAB

&&

.MEG WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
MO...NONE.
MS...NONE.
TN...NONE.
&&

$$



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