Area Forecast Discussion
Issued by NWS Jacksonville, FL

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FXUS62 KJAX 211339
AFDJAX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
939 AM EDT TUE APR 21 2015

...DRY AND COOLER TODAY WITH CLEARING SKIES...

.UPDATE...SURFACE COLD FRONT WAS PUSHING SOUTHWARD FROM SGJ TO
JUST SOUTH OF GNV THIS HOUR TRAILED BY COOL AND DRY AIR ADVECTION.
SURFACE DEW PTS WERE IN THE LOWER 50S NEAR THE ALTAMAHA RIVER
BASIN WITH NNW WINDS NEAR 10 MPH. SKIES REMAINED CLOUDY SOUTH OF
THE FRONT ACROSS MARION TO FLAGLER COUNTIES WITH GRADUALLY
CLEARING SKIES NORTHWARD. BY MIDDAY EXPECT DRY AIR INTRUSION WILL
BRING MOSTLY SUNNY SKIES TO ALL ZONES. HIGH TEMPS WERE ON TRACK TO
RISE INTO THE MID/UPPER 70S OVER SE GA TO THE LOWER 80S ACROSS NE
FL WITH A MUCH DRIER AIRMASS IN PLACE AS AFTERNOON RELATIVE
HUMIDITY FALLS INTO THE 30-40% RANGE INLAND.

&&

.AVIATION...A THIN BAND OF MVFR TO IFR CIGS WAS IMPACTING THE
DUVAL COUNTY TERMINALS EARLY THIS MORNING WHICH WILL IMPACT SGJ
AND GNV THROUGH 15Z WHICH CLEARING JAX/CRG/VQQ. ONLY HIGH CLOUDS
EXPECTED INTO THE AFTN WITH VFR CONDITIONS. THERE IS THE POTENTIAL
FOR SHALLOW MVFR GROUND FOG TONIGHT WHICH WILL HAVE THE GREATEST
CHANCE OF IMPACTING VQQ/GNV.

&&

.MARINE...WNW WINDS 10-15 KTS WILL VEER NNE INTO THE AFTERNOON
WITH SPEEDS DECREASING TO 10 KTS OR LESS. COMBINED SEAS 3 FT OR
LESS AS SURFACE HIGH PRESSURE BUILDS OVER THE AREA.

RIP CURRENTS: LOW RISK TODAY.

&&

.FIRE WEATHER...MUCH DRIER AIRMASS TODAY WITH MIN RHS FALLING INTO
THE 30-40% RANGE INLAND WITH ELEVATED DISPERSIONS ABOVE 70 UNITS.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  77  54  84  59 /   0   0  10  10
SSI  75  62  77  66 /   0   0  10  10
JAX  81  58  84  64 /   0   0  10  10
SGJ  78  64  80  68 /  10   0  20  10
GNV  82  59  87  63 /  10   0  20  20
OCF  84  62  88  65 /  10   0  20  20

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...NONE.
&&

$$

ENYEDI/WALSH


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