FNUS72 KJAX 091139
FWSJAX

SPOT FORECAST FOR GREEN...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
739 AM EDT THU APR 9 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 09.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM
EDT THIS EVENING...

.DISCUSSION...A HIGH PRESSURE RIDGE OVER SOUTH FLORIDA AND THE WESTERN
ATLANTIC WILL SHIFT EAST. MOISTURE WILL GRADUALLY INCREASE TODAY BUT
TEMPERATURES WILL BE MUCH WARMER...AND LONG DURATIONS OF LOW RELATIVE
HUMIDITIES ARE LIKELY FOR PORTIONS OF INLAND NORTHEAST FLORIDA.
PARTLY CLOUDY SKIES OVER COLUMBIA COUNTY THIS MORNING WILL GIVE WAY TO
MOSTLY SUNNY SKIES BY LATE MORNING.

HUMIDITY VALUES ARE EXPECTED TO BE ABOVE CRITICAL VALUES BY FRIDAY.
WINDS TODAY WILL BE MOSTLY BELOW 15 MPH. STRONGER SOUTHERLY WINDS
ARE ANTICIPATED ON FRIDAY WITH SUSTAINED WINDS OF 15 TO 20 MPH ALONG
WITH HIGHER GUSTS. DISPERSION LEVELS WILL ALSO BE HIGH ON FRIDAY...
WITH INDICES OF 70 TO 85 POSSIBLE ACROSS THE AREA.

.TODAY...

SKY/WEATHER.........PARTLY CLOUDY EARLY THIS MORNING THEN MOSTLY SUNNY
                    (25-35 PERCENT).
MAX TEMPERATURE.....AROUND 81.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 8 TO 10 MPH LATE
                    IN THE MORNING.
LAL.................1.
MIXING HEIGHT.......700-1000 FT AGL INCREASING TO 4300 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 6 TO 14 MPH.
DISPERSION INDEX....30.
CHANCE OF PCPN......0 PERCENT.

TIME (EDT)      9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........43     30     28     46     42
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............56     69     76     79     79
RH..............75     45     35     31     34
20 FT WIND......SW 5   SW 5   SW 7   SW 8   SW 8
20 FT WIND GUST.10     10     15     15     15
MIX HGT (FT)....1000   2700   2700   4300   4300
TRANSPORT WIND..W 13   W 13   W 13   SW 6   S 14
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 52.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING
                    BECOMING LIGHT.
LAL.................1.
MIXING HEIGHT.......3600 FT AGL DECREASING TO 200-800 FT AGL
                    LATE IN THE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHWEST 12 TO 14 MPH.
DISPERSION INDEX....5.
CHANCE OF PCPN......0 PERCENT.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........42     40     40     46     52     52
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............77     70     64     61     58     56
RH..............37     51     64     74     84     92
20 FT WIND......SW 8   SW 8   SW 6   S 3    S 2    S 1
20 FT WIND GUST.15     15     10     10     5      5
MIX HGT (FT)....2900   1400   1400   800    200    200
TRANSPORT WIND..S 14   SW 14  SW 14  SW 12  SW 12  SW 12
CHC OF PCPN (%).0      0      0      0      0      0
LAL.............1      1      1      1      1      1

.FRIDAY...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 82.
MIN HUMIDITY........39 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 7 TO 15 MPH IN
                    THE LATE MORNING AND AFTERNOON.
LAL.................1.
MIXING HEIGHT.......700-1100 FT AGL INCREASING TO NEAR 4500 FT AGL
                    BY EARLY AFTERNOON.
MIXING WINDS........SOUTH 12 TO 16 MPH INCREASING TO SOUTHWEST 26
                    TO 28 MPH EARLY IN THE AFTERNOON.
DISPERSION INDEX....78.
CHANCE OF PCPN......0 PERCENT.

$$
FORECASTER...SHASHY
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...PRESCRIBED
.TAG 20090409.GREEN.01/JAX