350
FXUS62 KCAE 071726
AFDCAE
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
1226 PM EST SAT NOV 7 2009
SYNOPSIS
HIGH PRESSURE WILL REMAIN IN CONTROL OF THE REGION THROUGH EARLY
NEXT WEEK. THIS WILL CONTINUE THE SUNNY SKIES AND SLIGHTLY WARMER
THAN NORMAL TEMPERATURES THROUGH MONDAY.
NEAR TERM /UNTIL 6 PM THIS EVENING/
HIGH PRESSURE WILL CONTINUE TO DOMINATE THE REGION WITH CLEAR
SKIES AND LIGHT WINDS THROUGH THE DAY. MAIN FOCUS REMAINS THE
POTENTIAL FOR FROST THROUGH 7AM THIS MORNING. TEMPERATURES AT MOST
LOCATIONS CURRENTLY IN THE MID 30S WITH TYPICALLY COOLER LOCATIONS
IN THE LOWER 30S. WITH DEWPOINTS ACROSS THE FORECAST AREA
GENERALLY IN THE MID 30S DO NOT EXPECT MUCH MORE COOLING THROUGH
DAYBREAK. WILL REMAIN WITH THE FROST ADVISORY THROUGH 7AM.
TEMPERATURES WILL QUICKLY WARM WITH SUNRISE AS SKIES WILL REMAIN
CLEAR THROUGH THE DAY.
SHORT TERM /6 PM THIS EVENING THROUGH MONDAY/
SITUATION WILL REMAIN STATUS QUO THROUGH THE SHORT TERM AS
TEMPERATURES SLOWLY RISE A FEW DEGREES EACH DAY. THIS WILL ALSO
APPLY TO OVERNIGHT LOWS WHICH WILL END THE THREAT OF FROST. MONDAY
WILL SEE SOME CHANGE DURING THE AFTERNOON AS CLOUDS AHEAD OF THE
NEXT FRONT ALONG WITH SOME CLOUDS FROM TS IDA. EVEN WITH THE
INCREASING CLOUDS AT THE END OF THE SHORT TERM FORECAST DO NOT
EXPECT ANY RAIN UNTIL MONDAY NIGHT.
LONG TERM /MONDAY NIGHT THROUGH FRIDAY/
MODELS IN GOOD AGREEMENT THROUGH MOST OF THE LONG TERM. MAIN ISSUE
IN THE LONG TERM WILL BE THE INTERACTION OF TS IDA AND THE NEXT
COLD FRONT MOVING THROUGH THE REGION TUESDAY NIGHT. CURRENTLY
EXPECT THE FRONT TO KEEP IDA AWAY FROM THE FORECAST AREA...HOWEVER
MOISTURE ASSOCIATED WITH IDA WILL MOVE INTO THE REGION MONDAY
NIGHT THROUGH TUESDAY NIGHT. HAVE INCREASED POPS FOR THIS PERIOD
WITH FEW OTHER CHANGES AS CONFIDENCE IN TIMING OF THE SYSTEMS IS
LOW. NO CHANGES MADE TO THE LONG TERM BEYOND TUESDAY NIGHT.
AVIATION /18Z SATURDAY THROUGH THURSDAY/
DRY HIGH PRESSURE WILL REMAIN IN PLACE THROUGH THE TAF PERIOD.
EXPECT MAINLY VFR CONDITIONS THROUGH THE TAF PERIOD. THREAT FOR
FOG APPEARS HIGHER AT AGS AND OGB WHERE THE ADDED COOLING AND
MOISTURE ASSOCIATED WITH THE RIVER VALLEYS SUPPORT A PERIOD OF
MVFR OR IFR FOG DURING THE EARLY MORNING HOURS.
EXTENDED AVIATION OUTLOOK...WIDESPREAD CEILING AND VISIBILITY
RESTRICTIONS MAY OCCUR TUESDAY INTO WEDNESDAY ASSOCIATED WITH
ISENTROPIC LIFT.
CAE WATCHES/WARNINGS/ADVISORIES
SC...NONE.
GA...NONE.
SYNOPSIS...
NEAR TERM...
SHORT TERM...
LONG TERM...
AVIATION...07
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