FXUS64 KMEG 252054
AFDMEG

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEMPHIS TN
254 PM CST FRI DEC 25 2009

.DISCUSSION...

SKIES ARE GRADUALLY CLEARING ACROSS THE FORECAST AREA THIS
AFTERNOON WITH MAINLY IN THE 30S. SURFACE LOW OVER NORTHWEST IOWA
WILL NOT MOVE VERY FAR TONIGHT. HIGH PRESSURE WILL BUILD INTO THE
GULF COAST STATES TONIGHT KEEPING THINGS DRY AND CHILLY OVER THE
REGION. THE WEEKEND AND MONDAY LOOKS TO BE DRY AND COOL WITH
TEMPERATURES A FEW DEGREES BELOW NORMAL. MOISTURE WILL BEGIN TO
INCREASE OVER THE FORECAST AREA ON TUESDAY AHEAD OF A WEAK
DISTURBANCE WHICH MOVES THROUGH MISSISSIPPI ON TUESDAY NIGHT AND
WEDNESDAY. DEPENDING ON THE TIMING OF THIS SYSTEM THERE MAY BE
EITHER RAIN OR SNOW STARTING LATE TUESDAY NIGHT AND THEN BECOMING
ALL RAIN ON WEDNESDAY. A WEAK LOW DEVELOPS OVER THE GULF OF MEXICO
WEDNESDAY NIGHT AND MOVES NORTHEAST THURSDAY WHICH MAY PRODUCE
MORE RAIN OR SNOW WEDNESDAY NIGHT AND THURSDAY DEPENDING ON THE
TIMING OF THE PRECIPITATION. HIGH PRESSURE SHOULD BUILD INTO THE
REGION BY THURSDAY NIGHT BRINGING ANOTHER ROUND OF DRY AND COOL
WEATHER FOR NEW YEARS EVE AND NEW YEARS DAY.

ARS

&&

AVIATION...

18Z TAF CYCLE

CLEARING LINE IS EVIDENT ON SATELLITE.  HOWEVER WITH COLD CORE OF 
AIR ALOFT COULD BE SOME MINOR CLOUD DEVELOPMENT ON THE WEST EDGE 
THIS AFTERNOON. THEREFORE HAVE BEEN SOMEWHAT SLOW TO MOVE CLEARING 
LINE THROUGH ALL TAF SITE WITH MKL AND TUP THE LAST TO BREAK OUT OF 
CEILINGS.

HAVE INCLUDED A SCATTERED CLOUD LAYER TO DEVELOP AFTER 14Z SAT SINCE 
MODELS HAVE UPPER LOW ROTATING MODEST LOW LEVEL MOISTURE THROUGH THE 
REGION...MOST NOTABLY AT JBR...MEM AND MKL.

JEB

&&

.PRELIMINARY POINT TEMPS/POPS...
MEM  31  45  29  43 /  10  10  10  10 
MKL  29  44  26  40 /  10  10  10  10 
JBR  28  41  26  40 /  10  10  10  10 
TUP  30  47  29  45 /  10  10  10  10 

&&

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

$$