FNUS72 KJAX 041232
FWSJAX

SPOT FORECAST FOR SAND HILL SAM...FLORIDA DIVISION OF FORESTRY
NATIONAL WEATHER SERVICE JACKSONVILLE FL
732 AM EST TUE JAN 4 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL BUILD OFFSHORE OF THE SOUTHEAST
ATLANTIC SEABOARD TODAY AS A WEAKENING FRONT APPROACHES FROM THE
NORTHWEST. THIS BOUNDARY WILL STALL AND WEAKEN OVER THE AREA
TONIGHT. A BROAD AREA OF LOW PRESSURE IS EXPECTED TO DEVELOP
NEAR THE CENTRAL GULF COAST WEDNESDAY...THEN MOVE ACROSS THE LOCAL
AREA LATE WEDNESDAY INTO WEDNESDAY NIGHT.

RELATIVE HUMIDITIES WILL REMAIN ABOVE CRITICAL VALUES. WEST WINDS
WILL PREVAIL WITH SPEEDS LESS THAN 10 MPH. RAIN CHANCES WILL
INCREASE WEDNESDAY AS THE LOW APPROACHES.

.REST OF TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
                    RAIN SHOWERS IN THE MORNING.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........42 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH IN THE
                    AFTERNOON.
MIXING HEIGHT.......800-2200 FT AGL.
MIXING WINDS........WEST 10 MPH INCREASING TO 15 MPH IN THE AFTERNOON.
DISPERSION INDEX....26.

TIME (EST)      10 AM  NOON   2 PM   4 PM
SKY (%).........51     51     55     54
WEATHER COV.....S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR NONE   NONE
TEMP............49     60     65     65
RH..............83     54     44     42
20 FT WIND......W 2    W 6    W 8    W 8
20 FT WIND GUST.10     10     15     10
MIX HGT (FT)....1500   1500   2200   2200
TRANSPORT WIND..W 9    W 9    W 13   W 12

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....AROUND 39.
MAX HUMIDITY........89 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......2200 FT AGL DECREASING TO 200-500 FT AGL
                    AFTER MIDNIGHT.
MIXING WINDS........NORTHWEST 5 TO 10 MPH.
DISPERSION INDEX....2.

TIME (EST)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........54     53     47     47     42     50
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............56     49     46     44     42     41
RH..............61     79     85     88     89     87
20 FT WIND......W 3    W 2    W 3    W 1    W 0    NW 0
20 FT WIND GUST.10     5      5      5      5      5
MIX HGT (FT)....2200   900    600    600    200    500
TRANSPORT WIND..W 12   W 8    W 6    W 6    W 3    NW 5

.WEDNESDAY...

SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN IN
                    THE MORNING. RAIN LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 58.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT WINDS.
MIXING HEIGHT.......500-1500 FT AGL.
MIXING WINDS........WEST 5 MPH SHIFTING TO THE NORTH AROUND 5
                    MPH LATE IN THE AFTERNOON.
DISPERSION INDEX....6.

$$
FORECASTER...HESS
REQUESTED BY...BARRY L  COULLIETTE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110104.SANDH.01/JAX