FNUS72 KJAX 101125
FWSJAX

SPOT FORECAST FOR GREEN...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
725 AM EDT FRI APR 10 2009

FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 10.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...A HIGH PRESSURE RIDGE EXTENDING FROM SOUTH FLORIDA INTO
THE WESTERN ATLANTIC WILL SHIFT EAST AS A COLD FRONT APPROACHES THE
AREA THROUGH SATURDAY. THIS FRONT WILL MOVE SOUTH OF THE AREA SATURDAY
NIGHT AS IT BECOMES DIFFUSE. WINDS WILL INCREASE FROM THE SOUTH TO
SOUTHWEST AT AROUND 15 MPH AND GUSTY TODAY. RH VALUES MAY
NEAR 35 PERCENT OVER PORTIONS OF INTERIOR NORTHEAST FLORIDA...
BUT DURATIONS BELOW 35 PERCENT ARE EXPECTED TO BE LESS THAN 4
HOURS. DISPERSION LEVELS WILL APPROACH 75 THIS AFTERNOON.
FIRE WEATHER INTERESTS SHOULD MONITOR THE FORECAST TODAY FOR
POSSIBLE UPDATES DUE TO THE MARGINAL NATURE OF THE FORECAST.

HIGHER RH VALUES AND LIGHTER WINDS ARE EXPECTED ON SATURDAY ALONG
WITH A CHANCE OF SHOWERS AND THUNDERSTORMS.

.TODAY...

SKY/WEATHER.........CLOUDY (75-90 PERCENT) EARLY THEN PARTLY CLOUDY.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........SOUTH WINDS 6 MPH EARLY IN THE MORNING...
                    THEN BECOMING SOUTHWEST 6 TO 15 MPH IN
                    THE LATE MORNING AND AFTERNOON.
LAL.................1.
MIXING HEIGHT.......900 FT AGL INCREASING TO NEAR 4400 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTH 9 TO 14 MPH INCREASING TO SOUTHWEST 20 TO
                    28 MPH LATE IN THE MORNING.
DISPERSION INDEX....73.
CHANCE OF PCPN......0 PERCENT.

TIME (EDT)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........85     78     58     40     40
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............58     68     76     80     81
RH..............92     62     48     38     40
20 FT WIND......S 6    S 8    SSW 13 SW 15  SW 14
20 FT WIND GUST.10     16     21     25     23
MIX HGT (FT)....900    1100   2700   4400   4400
TRANSPORT WIND..S 14   S 14   S 20   SW 24  SW 24
CHC OF PCPN (%).0      0      0      0      0
LAL.............1      1      1      1      1

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (50-60 PERCENT).
MIN TEMPERATURE.....AROUND 61.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 12 MPH.
LAL.................1.
MIXING HEIGHT.......3000 FT AGL DECREASING TO 400-1000 FT AGL
                    LATE IN THE EVENING.
MIXING WINDS........SOUTHWEST AROUND 28 MPH DECREASING TO 14 TO 17
                    MPH EARLY IN THE EVENING.
DISPERSION INDEX....11.
CHANCE OF PCPN......10 PERCENT.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........46     46     46     51     55     55
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............80     74     70     68     66     64
RH..............46     59     70     79     88     94
20 FT WIND......SW 12  SW 9   SW 8   SW 7   SW 7   SW 5
20 FT WIND GUST.20     15     15     15     10     10
MIX HGT (FT)....3000   1600   1600   1000   400    400
TRANSPORT WIND..SW 28  SW 17  SW 17  SW 15  SW 16  SW 16
CHC OF PCPN (%).0      10     10     10     0      0
LAL.............1      1      1      1      1      1

.SATURDAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). A CHANCE OF SHOWERS
                    AND THUNDERSTORMS EARLY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 83.
MIN HUMIDITY........50 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 10 MPH IN THE
                    LATE MORNING AND AFTERNOON.
LAL.................1 UNTIL 1400...THEN 3.
MIXING HEIGHT.......800-1200 FT AGL INCREASING TO NEAR 4300 FT AGL
                    IN THE EARLY AFTERNOON.
MIXING WINDS........WEST 14 TO 21 MPH.
DISPERSION INDEX....78.
CHANCE OF PCPN......20 PERCENT.

$$
FORECASTER...SHASHY
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090410.GREEN.01/JAX