FXUS64 KMEG 262329 AAA
AFDMEG
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MEMPHIS TN
529 PM CST SAT DEC 26 2009
.UPDATE...
UPDATED FOR AVIATION.
&&
.PREV DISCUSSION... /ISSUED 237 PM CST SAT DEC 26 2009/
DISCUSSION...
A STACKED UPPER LOW OVER THE WESTERN GREAT LAKES WILL SLOWLY
PROGRESS EASTWARD SUNDAY AND EARLY MONDAY. NORTHWEST FLOW ALOFT
BEHIND THIS UPPER LOW WILL BRING DRY AND SEASONABLY COLD WEATHER
TO THE MID SOUTH EARLY NEXT WEEK.
THE NEXT H5 UPPER LEVEL TROUGH WILL DIG INTO THE DESERT SOUTHWEST
NEXT TUESDAY AND WEDNESDAY. THIS TROUGH WILL TAP GULF MOISTURE AND
ADVECT IT NORTHWARD. AT THIS TIME IT APPEARS THE BEST MOISTURE
WILL REMAIN SOUTH AND EAST OF THE REGION AS A SURFACE LOW
EVENTUALLY DEVELOPS ALONG THE GULF COAST. SURFACE TEMPERATURES AT
NIGHT AND IN THE MORNING ON WEDNESDAY AND THURSDAY WILL BE IN THE
30 TO 35 DEGREE FAHRENHEIT RANGE...THEREFORE HAVE A MIX OF RAIN
AND WET SNOW IN THE FORECAST.
A 1045 MB ARCTIC SURFACE HIGH DROPS DOWN INTO THE CENTRAL AND EASTERN
U.S. TOWARD THE END OF THE FORECAST PERIOD. WINDY...DRY AND MUCH
COLDER THAN NORMAL WEATHER IS EXPECTED TO RING IN THE NEW YEAR IN
THE MID SOUTH.
OKULSKI
&&
.AVIATION...
00Z TAFS
CLEAR SKIES PREVAILED ACROSS THE MIDSOUTH AT DISCUSSION TIME. A
VFR MIDLEVEL DECK OVER MO WILL LIKELY EDGE INTO THE MIDSOUTH
TOWARD MIDDAY SUNDAY... IN RESPONSE TO AN UPPER LEVEL SHORTWAVE
DIVING SOUTHEAST FROM THE PLAINS.
EXPECT THE MIDSOUTH TERMINALS TO LOSE WIND GUST POTENTIAL THROUGH
01Z... WITH LESS THAN 10KT WINDS PREVAILING AREAWIDE. KMEM SHOULD
SEE SOUTHERLY TAILWIND COMPONENT LESS THAN 7 KTS FROM MID TO LATE
EVENING... THROUGH THE OVERNIGHT.
PWB
&&
.PRELIMINARY POINT TEMPS/POPS...
MEM 28 42 27 44 / 10 10 10 0
MKL 26 39 25 42 / 10 10 10 0
JBR 26 38 26 43 / 10 10 10 0
TUP 27 45 26 44 / 10 10 10 0
&&
.MEG WATCHES/WARNINGS/ADVISORIES...
AR...NONE.
MO...NONE.
MS...NONE.
TN...NONE.
&&
$$