FNUS72 KJAX 091052
FWSJAX

SPOT FORECAST FOR PPSP 1601...FLA PARK SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
652 AM EDT THU APR 9 2009

FORECAST IS BASED ON IGNITION TIME OF 1010 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
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. 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 IN THE MID 70S.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
MAX TEMPERATURE.....81.
MIN HUMIDITY........29 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH LATE
                    IN THE MORNING.
MIXING HEIGHT.......700-1000 FT AGL INCREASING TO 2700-4400 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........WEST 5 TO 10 MPH BECOMING SOUTH LATE IN THE
                    AFTERNOON.
DISPERSION INDEX....21.

TIME (EDT)      10 AM  NOON   2 PM   4 PM
SKY (%).........27     27     45     45
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............69     76     80     80
RH..............54     38     32     33
20 FT WIND......SW 5   SW 7   SW 8   SW 8
20 FT WIND GUST.10     15     15     15
MIX HGT (FT)....2700   2700   4400   4400
TRANSPORT WIND..W 10   W 10   W 5    S 10

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT).
MIN TEMPERATURE.....52.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING
                    BECOMING LIGHT.
MIXING HEIGHT.......1500-2900 FT AGL DECREASING TO 300-900 FT AGL
                    LATE IN THE EVENING.
MIXING WINDS........SOUTHWEST 10 TO 12 MPH.
DISPERSION INDEX....5.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........41     36     36     39     43     43
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............77     70     64     61     58     56
RH..............36     49     61     71     82     90
20 FT WIND......SW 8   SW 7   SW 5   S 3    S 2    S 1
20 FT WIND GUST.15     15     10     10     5      5
MIX HGT (FT)....2900   1500   1500   900    300    300
TRANSPORT WIND..S 10   SW 10  SW 10  SW 10  SW 10  SW 10

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT).
MAX TEMPERATURE.....83.
MIN HUMIDITY........36 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 14 MPH WITH
                    GUSTS TO 25 MPH IN THE LATE MORNING AND
                    AFTERNOON.
MIXING HEIGHT.......700-2600 FT AGL INCREASING TO 2800-4100 FT AGL
                    EARLY IN THE AFTERNOON.
MIXING WINDS........SOUTH 12 TO 16 MPH INCREASING TO SOUTHWEST 23
                    TO 26 MPH EARLY IN THE AFTERNOON.
DISPERSION INDEX....74.

$$
FORECASTER...CARROLL
REQUESTED BY...DYLAN GAVAGNI
TYPE OF REQUEST...PRESCRIBED
.TAG 20090409.PPSP1.02/JAX