FXUS62 KCAE 261629
AFDCAE
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
1129 AM EST SAT DEC 26 2009
.SYNOPSIS...
WEAK HIGH PRESSURE WILL BUILD ACROSS THE REGION TODAY AND REMAIN
OVER THE REGION THROUGH THE FIRST PART OF THE WEEK. THE NEXT
CHANCE OF RAIN WILL ARRIVE WEDNESDAY.
&&
.NEAR TERM /UNTIL 6 PM THIS EVENING/...
HIGH PRESSURE HAS BEGUN MOVING INTO THE REGION WITH UPPER LEVEL
CLOUDS PERSISTING OVER THE AREA. EXPECT MUCH QUIETER CONDITIONS
VERSUS YESTERDAY...HOWEVER FLOODING REMAINS A PROMINENT ISSUE.
RIVER LEVELS ARE EXPECTED TO CONTINUE RISING...ESPECIALLY WITH
FLOOD GATES BEING OPENED AT AREA RESERVOIRS. HAVE ADJUSTED CLOUDS
TO BETTER REPRESENT SATELLITE IMAGERY AND WILL ISSUE AN UPDATE
MOMENTARILY.
&&
.SHORT TERM /6 PM THIS EVENING THROUGH MONDAY/...
BROAD UPPER LOW NEAR THE GREAT LAKES WILL GRADUALLY LIFT OUT
TONIGHT AND SUNDAY WITH HIGH PRESSURE OVER THE AREA. A DRY COLD
FRONT SUNDAY NIGHT WILL REINFORCE COLD AIR AND HIGH PRESSURE WILL
MOVE IN FOR MONDAY. HIGHS IN THE 50S SUNDAY WILL LOWER TO THE
UPPER 40S TO LOWER 50S MONDAY. LOWS SUNDAY NIGHT WILL BE IN THE
30S.
&&
.LONG TERM /MONDAY NIGHT THROUGH FRIDAY/...
SOUTHERN STREAM REMAINS ACTIVE BRINGING SHORT WAVES TO THE EAST.
NEXT PRECIPITATION CHANCE APPEARS TO BE WEDNESDAY AND THURSDAY.
GULF LOW FORMS AND MOVES EAST. DEPENDING ON TRACK...THERE MAY BE
SOME SORT OF WINTRY MIX EARLY MORNING HOURS OF WEDNESDAY AND
THURSDAY IN THE NORTHERN COUNTIES. DECIDED TO SAY RAIN MIXED WITH
SLEET WEDNESDAY AND RAIN MIXED WITH SNOW THURSDAY. AGAIN JUST
CHANCE OF PRECIP. LEFT A SLIGHT CHANCE FRIDAY WITH UNCERTAINTY IN
TIMING OF LONG RANGE MODELS. TEMPERATURES ARE BELOW NORMAL.
&&
.AVIATION /16Z SATURDAY THROUGH WEDNESDAY/...
DRYING CONDITIONS TO CONTINUE THIS MORNING AS WINDS BECOME MORE NW.
LOW CLOUDS/CIGS THIS MORNING WILL BREAK WAY FOR SOME HIGH LEVEL
CLOUDINESS AT TIMES THROUGH THE REST OF THE DAY. WILL START TAF
PERIOD WITH MVFR CIGS BECOMING VFR BY MID MORNING. VFR CONDITIONS WILL
PERSIST THROUGH THE DAY AND OVERNIGHT HOURS. DO NOT EXPECT ANY FOG
DURING THE TAF PERIOD.
EXTENDED AVIATION OUTLOOK...NO SIGNIFICANT IMPACTS TO AVIATION
EXPECTED SATURDAY THROUGH TUESDAY. MVFR CONDITIONS POSSIBLE ON
WEDNESDAY NIGHT AS NEXT WEATHER SYSTEM APPROACHES FROM THE WEST.
&&
.CAE WATCHES/WARNINGS/ADVISORIES...
SC...NONE.
GA...NONE.
&&
$$
