Area Forecast Discussion
Issued by NWS Columbia, SC

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
161
FXUS62 KCAE 092226
AFDCAE

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE COLUMBIA SC
526 PM EST TUE FEB 9 2016

.SYNOPSIS...
A COLD AND DRY PATTERN EXPECTED WEDNESDAY THROUGH SUNDAY...AS A
PERSISTENT NW UPPER FLOW CONTINUES TO DIRECT COLD DRY AIR INTO THE
REGION. BREEZY CONDITIONS TO CONTINUE WEDNESDAY.

&&

.NEAR TERM /UNTIL 6 AM WEDNESDAY MORNING/...
THIS EVENING...CONTINUING TO SEE SCATTERED SNOW FLURRIES EARLY
THIS EVENING AS UPPER LEVEL DISTURBANCE PUSHES EWD ACROSS THE
STATE. FLURRIES ARE ENCOUNTERING DRY AIR AND BEGINNING TO DIMINISH
AS THEY PUSH EASTWARD. WE HAVE RECEIVED SEVERAL REPORTS FROM
COUNTY OFFICIALS AND THROUGH SOCIAL MEDIA OF SNOW FLURRIES. AS
PRECIPITATION FALLS...TEMPERATURES HAVE ALSO FALLEN INTO THE
MID/UPPER 30S.

TONIGHT...UPPER TROUGH OVER THE EASTERN CONUS WILL LIFT SLIGHTLY
TO THE NORTHEAST TONIGHT. COOLER AND DRIER AIR WILL CONTINUE TO
FILTER INTO OUR REGION THROUGH THE OVERNIGHT HOURS. PRESSURE
GRADIENT BETWEEN SURFACE LOW PRESSURE TO OUR NE AND SURFACE HIGH
PRESSURE TO OUR WEST EXPECTED TO LEAD TO BREEZY CONDITIONS TONIGHT
INTO WEDNESDAY. A LAKE WIND ADVISORY REMAINS IN EFFECT THROUGH
TONIGHT AND INTO WEDNESDAY. ALTHOUGH WIND GUSTS OVER LAND AREAS
WILL DIMINISH SOME TONIGHT...GUSTY CONDITIONS EXPECTED TO CONTINUE
ON WARMER AREA LAKES. OVERNIGHT LOWS WILL BE IN THE 20S WITH WIND
CHILLS IN THE TEENS.

&&

.SHORT TERM /6 AM WEDNESDAY MORNING THROUGH FRIDAY NIGHT/...
COOL DRY PATTERN WILL CONTINUE WITH UPPER RIDGE REMAINING OVER THE W
CONUS...AND TROUGH E CONUS. WITH HIGH PRESSURE CONTINUING TO FEED
INTO THE REGION BREEZY CONDITIONS ARE EXPECTED AGAIN. MAINTAINED
LAKE WIND ADVISORY THROUGH WEDNESDAY EVENING. A WEAK FRONT WILL
MOVE INTO THE REGION LATE THURSDAY INTO FRIDAY MORNING. AN UPPER
LEVEL DISTURBANCE WILL DEVELOP THE SYSTEM AS IT MOVES OFF THE
COAST. MOISTURE CONTINUES TO APPEAR LIMITED.

&&

.LONG TERM /SATURDAY THROUGH TUESDAY/...
ANOTHER COLD DRY AIRMASS BEHIND THE REINFORCING FRONT SHIFTS INTO
OUR REGION SATURDAY AND SUNDAY. MODELS INDICATE UPPER LEVELS TO
TRANSITION TO A MORE ZONAL PATTERN EARLY NEXT WEEK...WITH UPPER
ENERGY AND SOME MOISTURE AFFECTING OUR REGION BY SUN NIGHT/MON.
MOISTURE ADVECTION OVER THE LINGERING HIGH PRESSURE MAY PRODUCE A
WEDGE OVER THE FORECAST AREA MONDAY. WITH SURFACE TEMPERATURES
POSSIBLY NEARING FREEZING IN THE NORTHERN MIDLANDS...PRECIPITATION
TYPE COULD COME INTO QUESTION. HOWEVER RAIN APPEARS MOST LIKELY AT
THIS TIME.

&&

.AVIATION /22Z TUESDAY THROUGH SUNDAY/...
EXPECT VFR CONDITIONS THROUGHOUT THE TAF FORECAST PERIOD.

SCATTERED FLURRIES ACROSS THE TAF SITES INTO EARLY EVENING IN A
COLD ADVECTION PATTERN. A WEAK DISTURBANCE CROSSING THE REGION
RESULTING IN VFR CEILINGS AROUND 4000-8000 FT. WEST 10 TO 15
KNOTS WITH GUSTS AROUND 25 KNOTS...SHOULD DIMINISH A BIT AFTER
SUNSET.

DRY AIR AND MIXED BOUNDARY LAYER SHOULD WILL PRECLUDE FOG
DEVELOPMENT. ON WEDNESDAY...EXPECT WINDS TO ONCE AGAIN BEGIN TO
PICK UP IN THE MORNING BETWEEN 11Z AND 13Z WITH MIXING COMMENCING.

EXTENDED AVIATION OUTLOOK...BREEZY CONDITIONS THROUGH WEDNESDAY
EVENING.

&&

.CAE WATCHES/WARNINGS/ADVISORIES...
GA...LAKE WIND ADVISORY UNTIL 11 PM EST WEDNESDAY FOR GAZ040-
     063>065-077.
SC...LAKE WIND ADVISORY UNTIL 11 PM EST WEDNESDAY FOR SCZ015-016-
     018-020>022-025>031-035>038-041.

&&

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.