Area Forecast Discussion
Issued by NWS Columbia, SC

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000
FXUS62 KCAE 230508
AFDCAE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
108 AM EDT THU OCT 23 2014

.SYNOPSIS...
HIGH PRESSURE BUILDING IN FROM THE WEST WILL KEEP DRY WEATHER
ACROSS THE REGION THROUGH EARLY NEXT WEEK.

&&

.NEAR TERM /UNTIL 8 AM THIS MORNING/...
PRESSURE GRADIENT BETWEEN LOW PRESSURE OFF THE MID ATLANTIC COAST
AND HIGH PRESSURE OVER THE OHIO VALLEY KEEPING LIGHT NORTHERLY
WINDS ACROSS THE NORTH HALF OF SOUTH CAROLINA THIS EVENING. WIND
NEAR CALM ACROSS THE SOUTHERN MIDLANDS AND CSRA WHERE THE PRESSURE
GRADIENT IS WEAK. SHOULD SEE WINDS CONTINUING TO DIMINISH OVERNIGHT
AS THE AREA OF LOW PRESSURE LIFTS NORTHEAST AND HIGH PRESSURE
BUILDS IN FROM THE WEST. GOOD RADIATIONAL COOLING CONDITIONS
EXPECTED WITH CLEAR SKIES...LIGHT WIND...AND DRY AIR MASS DURING
THE PREDAWN HOURS. TEMPERATURE READINGS IN THE UPPER 30S TO LOWER
40S WILL BE COMMON BY SUNRISE.

&&

.SHORT TERM /8 AM THIS MORNING THROUGH FRIDAY NIGHT/...
UPPER AND SURFACE LOWS TO OUR NE WILL GRADUALLY SHIFT TO THE NE
WHILE WEAK HIGH PRESSURE BUILDS INTO OUR REGION. DRY CONDITIONS
WILL CONTINUE. LIGHT WINDS AND GOOD RADIATIONAL COOLING CONDITIONS
WILL TAKE PLACE THU NT/EARLY FRI MORNING...WITH PATCHY FROST
POSSIBLE IN SOME OF THE NORMALLY COLDER LOCATIONS.

&&

.LONG TERM /SATURDAY THROUGH WEDNESDAY/...
UPPER TROUGHINESS TO CONTINUE ALONG THE EAST COAST...PROVIDING A
CONTINUED DRY NW FLOW ALOFT. A WEAK DRY REINFORCING FRONT EXPECTED
TO COME LATE SAT...FOLLOWED BY ANOTHER DRY HIGH PRESSURE AIR MASS
TO BUILD INTO THE REGION SUN INTO EARLY NEXT WEEK. UPPER TROUGH
MOVING ACROSS THE MISSISSIPPI VALLEY LATE IN THE PERIOD...BUT
RIDGE OFF THE SOUTHEAST COAST EXTENDING INTO THE AREA. WILL
CONTINUE DRY THROUGH MIDWEEK WITH SLIGHT INCREASE IN MOISTURE FROM
THE WEST WEDNESDAY.

&&

.AVIATION /06Z THURSDAY THROUGH MONDAY/...
HIGH CONFIDENCE IN VFR CONDITIONS THROUGH THE PERIOD.

CLEAR SKIES AND HIGH PRESSURE THROUGH THE PERIOD. LIGHT NORTHWEST
WINDS EARLY THIS MORNING AND CLEAR SKIES. NO FOG WITH MODERATE TO
STRONG WINDS JUST OFF THE DECK AS SHOWN IN THE KCAE WIND PROFILE.
2000FT WINDS AROUND 35-40 KT. HAVE INTRODUCED LLWS FOR THE EARLY
MORNING HOURS AT KCAE GIVEN LIGHT SURFACE WINDS AND STRONG WINDS
JUST OFF THE DECK.

.EXTENDED AVIATION OUTLOOK...
NO IMPACTS TO AVIATION EXPECTED.

MANNING

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
SC...NONE.
GA...NONE.
&&

$$






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