FXUS62 KJAX 220216
AFDJAX

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JACKSONVILLE FL
916 PM EST MON DEC 21 2009

.SHORT TERM...FORECAST IS ON TRACK THIS EVENING...WITH HIGH CLOUDS 
BEGINNING TO SHIFT E. TIMING WILL BE CRUCIAL...AS SIGNIFICANT 
CLEARING WILL LIKELY LEAD TO A QUICK ADDITIONAL DROP IN TEMPS TOWARD 
MORNING. 00Z KJAX SOUNDING CONTINUE TO SHOW NW FLOW FROM ABOVE THE 
SFC TO ABOUT 800MB...BUT TEMPS HAVE WARMED DURING THE PAST 24 HRS IN 
THIS LAYER WITH THE 920MB TEMP SOME 7 DEG C HIGHER THAN SUN EVENING.
MAY DROP MIN TEMPS ANOTHER DEGREE OVER OUR EXTREME W AND NW 
ZONES...BUT THIS WILL NOT LEAD TO ANY CHANGES TO EXISTING FREEZE 
WARNING. WILL ALSO MENTION WIDESPREAD FROST IN W ZONES.

&&

.AVIATION...VFR CONDITIONS WILL CONTINUE THROUGH TUESDAY WITH CIRRUS 
SHIELD OVER THE AREA. 

&&

.MARINE...LIGHT WESTERLY FLOW OVER THE WATERS TONIGHT WITH GENTLE 
SEAS. NO CHANGES NEEDED. 

&&

.JAX WATCHES/WARNINGS/ADVISORIES...
FL...FROST ADVISORY FROM 1 AM TO 9 AM TUE FOR ALACHUA-BAKER-
     BRADFORD-CLAY-DUVAL-MARION-NASSAU-PUTNAM-UNION.

     FIRE WEATHER WATCH TUE AFTERNOON FOR ALACHUA-BAKER-BRADFORD-
     COLUMBIA-GILCHRIST-HAMILTON-MARION-PUTNAM-SUWANNEE-UNION.

     FREEZE WARNING FROM 1 AM TO 9 AM TUE FOR COLUMBIA-GILCHRIST-
     HAMILTON-SUWANNEE.

GA...FROST ADVISORY FROM 1 AM TO 9 AM TUE FOR APPLING-BACON-
     BRANTLEY-CHARLTON-COASTAL CAMDEN-COASTAL GLYNN-COFFEE-
     INLAND CAMDEN-INLAND GLYNN-JEFF DAVIS-PIERCE-WARE-WAYNE.

     FREEZE WARNING FROM 1 AM TO 9 AM TUE FOR ATKINSON-CLINCH-
     ECHOLS.

AM...NONE.

&&

$$

CARROLL/ZIBURA/PRESNALL