FXUS63 KPAH 101959
AFDPAH

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
159 PM CST THU DEC 10 2009

.DISCUSSION...
A LARGE COLD DOME OF ARCTIC HIGH PRESSURE COVERED MUCH OF THE
CENTRAL AND WEST U.S. EARLY THIS AFTERNOON. IT WAS CLEAR ACROSS
THE AREA...WITH TEMPS ONLY IN THE MID TO UPPER 20S. TEMPS SHOULD
DROP OFF INTO THE EVENING...BUT THEN LEVEL OVERNIGHT AS LIGHT SSW 
WINDS ARE FORECAST TO DEVELOP...ALONG WITH AN INCREASE IN HIGHER
LEVEL MOISTURE/CLOUDS.

THE HIGH WILL MOVE OFF TO THE EAST FRIDAY AND SATURDAY...WITH
RETURN FLOW SETTING UP ACROSS THE NATION/S MID SECTION. THIS WILL
ALLOW TEMPS TO MODERATE A BIT ACROSS OUR AREA. MODERATE MEANING
HIGHS NEAR 40 FRIDAY AND 40 TO 45 SATURDAY. THE MODELS MOVE A
WEAK WAVE ACROSS THE REGION LATE SATURDAY INTO SATURDAY NIGHT.
MOISTURE IS OUT OF PHASE...ESPECIALLY ON THE GFS...WITH BEST
MOISTURE/FRONTOGENETICAL FORCING AT 700 MB PRECEDING THE ARRIVAL
OF BEST 850 MB MOISTURE. THE NAM IS A TAD MORE IN PHASE. WILL
CONTINUE WITH LOW OR SLIGHT CHANCE POPS FOR WHAT SHOULD BE RATHER
LIGHT RAIN OR POSSIBLY DRIZZLE. 

AFTER A QUIET PERIOD SUNDAY...WILL CONTINUE WITH OUR RATHER LOW
CHANCE FOR RAIN MONDAY AND MONDAY NIGHT...ALONG AND AHEAD OF A
FRONT AND OUR NEXT COLD CANADIAN BLAST OF HIGH PRESSURE. THE HIGH
WILL RESULT IN DRY WEATHER WITH BELOW NORMAL TEMPERATURES FOR
THE TUESDAY THROUGH THURSDAY TIME FRAME.

&&

.AVIATION...
VFR CIGS AND VSBYS AT ALL SITES THROUGHOUT VALID TIME OF TAFS. GUSTY 
WEST WINDS WILL DECREASE AFTER SUNSET AND TAKE ON A SOUTHERLY 
COMPONENT. A FEW HIGH CLOUDS WILL BE POSSIBLE OVERNIGHT.

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
KY...NONE.
MO...NONE.
IL...NONE.
IN...NONE.
&&

$$