Area Forecast Discussion
Issued by NWS Jacksonville, FL

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FXUS62 KJAX 280301
AFDJAX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1001 PM EST TUE JAN 27 2015

.UPDATE...
LATEST SURFACE ANALYSIS DEPICTS AN INTENSE NOR`EASTER (984
MILLIBARS) POSITIONED NEAR THE NEW ENGLAND COAST. HIGH PRESSURE
(1027 MILLIBARS) WAS BUILDING SOUTHWARD FROM THE GREAT LAKES
STATES. ALOFT...DEEP TROUGHING PREVAILS OVER THE EASTERN THIRD OF
THE NATION...CREATING STRONG NORTHWEST WINDS LOCALLY ABOVE 800
MILLIBARS (6000 FT). OUR LOCAL PRESSURE GRADIENT HAS LOOSENED
CONSIDERABLY THIS EVENING...AND WE ADJUSTED LOW TEMPERATURES DOWN
SLIGHTLY AT INLAND LOCATIONS DUE TO LIGHTER WINDS. WE ADDED PATCHY
FROST TO ALL INLAND LOCATIONS IN SOUTHEAST GA AND TO FAR INLAND
NORTHEAST FLORIDA...BUT DEWPOINTS CURRENTLY RUNNING IN THE 30S
SHOULD PRECLUDE A LIGHT FREEZE OVER OUR REGION. COLD AIR ADVECTION
WILL CONTINUE THROUGH AT LEAST EARLY AFTERNOON ON
WEDNESDAY...WHICH WILL KEEP HIGHS IN THE 50S NEARLY REGION-
WIDE DESPITE FULL SUNSHINE...WHICH IS ABOUT 10 DEGREES BELOW LATE
JANUARY CLIMO.

&&

.AVIATION...
VFR CONDITIONS WILL PREVAIL DURING THE NEXT 24 HOURS.

&&

.MARINE...
WINDS HAVE DIMINISHED OVER THE GA COASTAL WATERS...AS THE GRAYS
REEF BUOY 41008 RECENTLY DROPPED BELOW 15 KNOTS. MEANWHILE...A
TIGHTER PRESSURE GRADIENT PERSISTS TO OUR SOUTH...AS THE CANAVERAL
BUOY 41009 REMAINS SUSTAINED NEAR 20 KNOTS. THE SMALL CRAFT
ADVISORY NORTH OF ST. AUGUSTINE HAS BEEN REPLACED WITH AN EXERCISE
CAUTION HEADLINE...WITH THE SCA IN THE OFFSHORE WATERS SOUTH OF
ST. AUGUSTINE EXPIRING AT 09Z. HIGH PRESSURE WILL BUILD OVER THE
OHIO VALLEY ON WEDNESDAY...WITH SCEC CONDITIONS EXPECTED OFFSHORE
AS WINDS BECOME NORTHERLY. WINDS AND SEAS WILL DIMINISH WEDNESDAY
NIGHT AND THURSDAY AS HIGH PRESSURE WEAKENS AND BUILDS INTO OUR
REGION. A COLD FRONT WILL APPROACH THE WATERS FROM THE WEST ON
THURSDAY NIGHT...MOVING THROUGH ON FRIDAY MORNING. HIGH PRESSURE
WILL BUILD NORTH OF OUR REGION ON FRIDAY NIGHT AND
SATURDAY...RESULTING IN STRENGTHENING ONSHORE WINDS.

RIP CURRENTS: LOW RISK CONTINUES THROUGH WEDNESDAY.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  34  55  30  63 /   0   0   0   0
SSI  36  52  36  60 /   0   0   0   0
JAX  35  55  34  66 /   0   0   0   0
SGJ  38  54  40  63 /   0   0   0   0
GNV  35  58  33  68 /   0   0   0   0
OCF  37  60  35  68 /   0   0   0   0

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...SMALL CRAFT ADVISORY UNTIL 4 AM EST WEDNESDAY FOR WATERS FROM
     ST. AUGUSTINE TO FLAGLER BEACH FL FROM 20 TO 60 NM.

&&

$$

NELSON/SHULER/WALKER



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