Area Forecast Discussion
Issued by NWS Jacksonville, FL

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FXUS62 KJAX 131319
AFDJAX

Area Forecast Discussion
National Weather Service Jacksonville FL
819 AM EST Wed Dec 13 2017

.UPDATE...
Cool Sfc High pressure over the Northern GOMEX will track SE and
end up south of the region over Cntrl/Srn FL by the end of the
day. NW flow will become W/SW later today under sunny skies and
cool temps as Highs rebound only into the mid-upper 50s. Sfc High
pressure will remain over Srn FL tonight while a weak trof will
push across the SE US and tighten the pressure gradient slightly
to keep a light SW wind through the night and will keep temps
slightly warmer tonight with lows generally in the 40s. Aloft some
increase in high clouds is expected after midnight along with some
potential lower clouds out of the NE GOMEX towards morning across
inland NE FL with possible Mostly Cloudy skies there while partly
cloudy skies expected elsewhere by morning.

&&

.AVIATION...
VFR through midnight tonight, then a few models have some
increase in low level moisture from the SW out of the NE Gomex
that may bring in some clouds in the 2000-3000 ft range but plan
to keep these Scattered at this time in the 06-12z time frame for
now.

&&

.MARINE...
NW flow 15-20 knots/Seas 3-6 ft will continue to subside today
and will replace SCA with SCEC headlines over the offshore waters.
As high builds south of the waters flow will become W/SW tonight
and increase once again to 15-20 knots with SCEC conds and
possible SCA conds with 20 knot sustained winds for the offshore
SE GA waters.

Rip Currents: Low Risk in the offshore flow.

&&

.PRELIMINARY POINT TEMPS/POPS...
AMG  54  39  64  42 /   0   0   0   0
SSI  54  46  64  49 /   0   0   0  10
JAX  59  41  68  49 /   0   0   0  10
SGJ  59  43  68  54 /   0   0  10  10
GNV  58  40  70  51 /   0  10  10  10
OCF  59  41  70  52 /   0  10  20  10

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...None.
GA...None.
AM...Small Craft Advisory until 9 AM EST this morning for Waters from
     Altamaha Sound GA to Fernandina Beach FL from 20 to 60 NM-
     Waters from Fernandina Beach to St. Augustine FL from 20 to
     60 NM-Waters from St. Augustine to Flagler Beach FL from 20
     to 60 NM.

&&

$$

Hess



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