Area Forecast Discussion
Issued by NWS Jacksonville, FL

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
000
FXUS62 KJAX 271806
AFDJAX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
205 EDT WED AUG 27 2014

.SHORT TERM /THROUGH SATURDAY/...
HIGH PRESSURE BUILDING IN FROM THE NORTH IS RESULTING IN SUNNY SKIES
ACROSS MOST OF SE GA THIS AFTN...WITH FEW/SCT CLOUDS ACROSS NE FL.
WINDS CONTINUE TO DECREASE ACROSS THE AREA...WITH SOME LOCALLY
BREEZY CONDITIONS ALONG THE COAST. WITH MOSTLY CLEAR SKIES...LIGHT
WINDS AND DRY AIR TNGT...OPTIMAL RADIATIONAL COOLING WILL TAKE
PLACE...WITH THE COOLEST NIGHT SINCE SPRING. RECORD LOW TEMPERATURES
WILL BE APPROACHED ACROSS INLAND LOCATIONS...WITH LOWER/MID 60S
FOR MOST INLAND LOCATIONS...AND UPPER 60S/AROUND 70 CLOSER TO THE
COAST AND THE SAINT JOHNS RIVER. RECORDS FOR TNGT ARE LISTED BELOW...

JAX - 65 (1984)
GNV - 63 (1891)
AMG - 57 (1952)
SSI - 63 (1952)

THURSDAY...ANOTHER MAINLY DRY DAY IN STORE UNDER HIGH PRESSURE.
MOISTURE DOES BEGIN TO INCREASE A LITTLE ACROSS NORTH-CENTRAL
FL...BUT WITH DEEP LAYER MOISTURE STILL QUITE LIMITED...WILL
KEEP PRECIP MENTION OUT OF THE FCST WITH A FEW MORE CLOUDS IN
THE AFTN AS COMPARED TO TODAY. WITH THE DRY AIR...EXPECT A
ROBUST TEMPERATURE RECOVERY FROM THE MORNING`S COOL READINGS...WITH
HIGHS IN THE LOWER/MID 90S INLAND...WITH UPPER 80S/AROUND 90
CLOSER TO THE COAST. HOWEVER...WITH HUMIDITY LEVELS STILL BELOW
SEASONAL NORMS...THE WARM TO HOT TEMPERATURES WILL NOT FEEL
OPPRESSIVE.

THU NIGHT...NOT AS COOL AS TONIGHT BUT STILL SLIGHTLY BELOW NORMAL
OVERNIGHT LOWS IN THE MID/UPPER 60S ACROSS INLD AREAS AND LOW/MID
70S ALONG COAST AND ST JOHNS RIVER BASIN UNDER MOSTLY CLEAR SKIES.

FRIDAY...WEAK SURFACE HIGH PRESSURE RIDGE SLIDES NORTHWARD INTO THE
SC/GA REGION AND WEAK SOUTHERLY STEERING FLOW WILL SET UP ACRS NE
FL/SE GA WITH AN INCREASE IN DEEPER MOISTURE FROM THE SOUTH UP THE
FLORIDA PENINSULA. THIS WILL LEAD TO A RE-BIRTH OF SCATTERED SHOWERS
AND STORMS ACROSS NE FL...MAINLY OVER INLD AREAS...WHILE ONLY ISOLD
SHOWERS AND STORMS EXPECTED ACRS SE GA. MAX TEMPS NEAR CLIMO VALUES
IN THE 90-95 RANGE INLAND AND UPPER 80S ALONG THE COAST.

FRI NIGHT...ACTIVITY WINDS DOWN OVER INLAND AREAS AFTER SUNSET AND
INCREASED LOW LEVEL MOISTURE WILL RETURN OVERNIGHT LOWS TO NEAR
CLIMO VALUES NEAR 70 DEGREES INLAND AND MID/UPPER 70S COAST/RIVER.

SATURDAY...WEAK SURFACE HIGH PRESSURE RIDGE WILL REMAIN JUST NORTH
OF THE FL/GA BORDER ACROSS GA/SC AND A WEAK SOUTHERLY STEERING FLOW
WILL REMAIN ACROSS NE FL/SE GA AND THIS ALONG WITH INCREASING DEEP
LAYER MOISTURE FROM THE SOUTH WILL ONCE AGAIN TRIGGER SCATTERED
SHOWERS AND STORMS AREA-WIDE WITH BEST COVERAGE ACROSS INLAND AREAS
AS THE ATLC/GOMEX SEA BREEZE FRONTS MOVE SLOWLY INLAND. HIGHS STILL
NEAR CLIMO VALUES IN THE 90-95 RANGE INLAND AND UPPER 80S COAST.

.LONG TERM /SUNDAY THROUGH WEDNESDAY/...

NO CHANGE TO PREVIOUS FORECAST AS SUMMER-LIKE BERMUDA HIGH PRESSURE
RIDGE AXIS REMAINS VERY STABLE AND NEAR THE FL/GA BORDER THROUGH THE
PERIOD WITH A SOUTHEASTERLY STEERING FLOW FOR THE MOST PART AND
EXPECT SCATTERED SHOWERS AND STORMS EACH AFTN/EVE...MAINLY OVER
INLAND AREAS. NEAR CLIMO HIGHS IN THE LOWER 90S AND OVERNIGHT LOWS
IN THE 70S.

&&

.AVIATION...
VFR WILL PREVAIL FOR THE NEXT 24 HOURS. NE WINDS AROUND 10 KT THIS
AFTN WILL BECOME LIGHT AND VARIABLE TNGT.

&&

.MARINE...
WINDS CONTINUE TO DIMINISH...WITH ALL AREAS UNDER 15 KNOTS. SEAS
REMAIN ELEVATED WITH EASTERLY SWELL...THUS WILL KEEP THE SCA FOR
THE OUTER WATERS THROUGH TNGT...MAINLY FOR THE FRINGES OF THE AREA
CLOSEST TO THE GULF STREAM. WITH SEAS 5 FT OR LESS NEARSHORE WILL
LOWER THE CAUTION FOR THERE. CONDITIONS WILL CONTINUE TO IMPROVE
THURSDAY...WITH BENIGN CONDITIONS ACROSS THE WATERS FOR THE
UPCOMING WEEKEND INTO EARLY NEXT WEEK,

RIP CURRENTS: MODERATE RISK THROUGH THURSDAY WITH RESIDUAL EASTERLY
SWELL.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  61  95  65  95 /   0   0   0  10
SSI  70  87  75  89 /   0  10   0   0
JAX  66  92  70  92 /   0  10   0  20
SGJ  71  89  74  89 /  10  10   0  20
GNV  64  93  70  92 /   0  10  10  50
OCF  68  93  72  94 /   0  10  10  50

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...NONE.
GA...NONE.
AM...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS UNTIL 6 AM EDT THURSDAY
     FOR ALTAMAHA SOUND GA TO FERNANDINA BEACH FL 20 NM TO 60 NM
     OFFSHORE-FERNANDINA BEACH TO ST AUGUSTINE FL 20 NM TO 60 NM
     OFFSHORE-ST AUGUSTINE TO FLAGLER BEACH FL 20 NM TO 60 NM
     OFFSHORE.

&&

$$

ALLEN/HESS





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