000
FXUS62 KJAX 201347 AAA
AFDJAX
AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE JACKSONVILLE FL
847 AM EST THU NOV 20 2008
.UPDATE...HIGH PRESSURE RIDGE IS NOW SOUTH OF THE FORECAST AREA
WITH A DRY W/NW FLOW ACRS THE FORECAST AREA TODAY AND ALONG WITH
850 TEMPS REACHING DOUBLE DIGIT VALUES WE WILL SEE MAX TEMPS INTO
THE MID TO UPPER 60S...ALTHOUGH STILL RUNNING 5-10 DEGS BELOW
NORMAL FOR THIS TIME OF YEAR. W/NW WINDS AROUND 10 MPH ACRS THE
FORECAST AREA TODAY UNDER MOSTLY SUNNY SKIES. FOR TONIGHT...NEXT
COLD FRONTAL PASSAGE WILL TAKE PLACE WITH LITTLE FANFARE OTHER
THAN MAYBE SOME SCATTERED CLOUDS AT TIMES. MIN TEMPS WILL RUN A
BIT WARMER THAN THIS MORNING DUE TO MIXING AND LATE ONSET OF COLD
AIR ADVECTION AND NO FREEZE/FROST IS EXPECTED.
&&
.AVIATION...VFR.
&&
.MARINE...WEST WINDS HAVE INCREASED QUITE A BIT AHEAD OF THE NEXT
FRONT AND WILL BUMP UP GRIDS/CWF TO SMALL CRAFT EXERCISE CAUTION
CONDS OVER THE OFFSHORE WATERS AS BUOYS ALREADY 15-20G25 KNOTS AND
SEAS IN THE 4-6FT RANGE. OTHERWISE EXPECT BIGGER SURGE OF NWLY
WINDS BEHIND THE FRONT LATER ON TONIGHT AS COLD AIR ADVECTION SETS
UP.
&&
.FIRE WEATHER...DRY AIRMASS WILL BE MIXED OUT THIS AFTERNOON AND
WITH WARMER MAX TEMPS INTO THE MID/UPPER 60S EXPECT RED FLAG
WARNINGS ACROSS NE FL TO HAVE NO PROBLEM VERIFYING WITH MIN RH IN
THE 25-30% RANGE.
&&
.CLIMATE...GAINESVILLE FL (KGNV) SET A RECORD LOW OF 29 DEGREES
THIS MORNING BREAKING THE OLD RECORD OF 30 IN 1968. RECORD REPORT
HAS BEEN SENT.
&&
.PRELIMINARY POINT TEMPS/POPS...
AMG 66 33 58 26 / 0 0 0 0
SSI 64 41 59 36 / 0 0 0 0
JAX 67 39 58 32 / 0 0 0 0
SGJ 66 44 61 40 / 0 0 0 0
GNV 67 38 60 30 / 0 0 0 0
OCF 67 40 63 34 / 0 0 0 0
&&
.JAX WATCHES/WARNINGS/ADVISORIES...
FL...RED FLAG WARNING UNTIL 5 PM EST THIS AFTERNOON FOR ALACHUA-BAKER-
BRADFORD-CLAY-COLUMBIA-DUVAL-FLAGLER-GILCHRIST-HAMILTON-
MARION-NASSAU-PUTNAM-ST JOHNS-SUWANNEE-UNION.
FIRE WEATHER WATCH FROM FRIDAY MORNING THROUGH FRIDAY AFTERNOON
FOR ALACHUA-BAKER-BRADFORD-CLAY-COLUMBIA-GILCHRIST-HAMILTON-
MARION-PUTNAM-SUWANNEE-UNION.
FIRE WEATHER WATCH FRIDAY AFTERNOON FOR DUVAL-FLAGLER-NASSAU-ST
JOHNS.
GA...NONE.
AM...SMALL CRAFT ADVISORY FROM 4 AM FRIDAY TO 10 PM EST SATURDAY 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.
&&
$$
HESS/WALKER
