FNUS72 KJAX 230956
FWSJAX

SPOT FORECAST FOR OKE 0337...USFWS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
556 AM EDT THU APR 23 2009

FORECAST IS BASED ON IGNITION TIME OF 0800 EDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SURFACE HIGH PRESSURE OVER CENTRAL FLORIDA HAS RESULTED IN
SOUTHWESTERLY WINDS EARLY THIS MORNING. THIS FLOW REGIME WILL CONTINUE TO
PROVIDE AREAS OF LOW CLOUDS AND FOG THROUGH AROUND MID-MORNING. VERY
WARM TEMPERATURES ARE FORECAST TODAY WITH AFTERNOON HIGHS IN THE UPPER 80S.
THESE WARM AFTERNOON READINGS WILL INTERACT WITH LOWERING DEW-POINT VALUES
TO PRODUCE MINIMUM RH VALUES INTO THE LOWER 30S. SOUTHWESTERLY WINDS TODAY
WILL SUSTAIN BELOW 15 MPH.

FRIDAY...AS SURFACE HIGH POSITIONS WELL TO OUR EAST...EASTERLY WINDS WILL
PREVAIL BY EARLY AFTERNOON. THIS FLOW REGIME WILL AGAIN BE COMBATED BY
DRIER AIR ALOFT...WITH MINIMUM RH VALUES NEAR 35 PERCENT. WIND SPEEDS WILL
SUSTAIN BELOW 15 MPH.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) WITH PATCHY FOG EARLY
                    IN THE MORNING...THEN PARTLY CLOUDY (40-50 PERCENT).
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........32 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH IN THE MORNING...THEN
                    BECOMING WEST 5 TO 12 MPH IN THE LATE MORNING AND
                    AFTERNOON.
LAL.................1.
MIXING HEIGHT.......700-1100 FT AGL INCREASING TO 7500-7600 FT AGL.
MIXING WINDS........WEST 9 TO 16 MPH.
DISPERSION INDEX....80.
CHANCE OF PCPN......0 PERCENT.

TIME (EDT)      8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........32     32     30     30     30
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE
TEMP............58     72     81     85     86
RH..............97     58     43     35     34
20 FT WIND......SW 3   SW 6   W 9    W 12   W 9
20 FT WIND GUST.10     15     15     20     15
MIX HGT (FT)....1100   1100   4300   7500   7500
TRANSPORT WIND..W 12   W 12   W 15   W 16   W 16
CHC OF PCPN (%).0      0      0      10     10
LAL.............1      1      1      1      1

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY FOG EARLY
                    IN THE MORNING.
MIN TEMPERATURE.....AROUND 56.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........WEST WINDS 5 TO 7 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
LAL.................1.
MIXING HEIGHT.......7600 FT AGL DECREASING TO 300-1300 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........NORTHWEST 3 TO 12 MPH.
DISPERSION INDEX....2.
CHANCE OF PCPN......0 PERCENT.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........33     36     36     38     39     39
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............83     75     69     66     63     60
RH..............39     54     70     80     86     93
20 FT WIND......W 7    W 5    W 3    W 3    SW 2   W 2
20 FT WIND GUST.15     10     10     10     5      10
MIX HGT (FT)....7600   1300   1300   800    300    300
TRANSPORT WIND..W 12   W 6    W 6    W 5    W 5    W 5
CHC OF PCPN (%).10     0      0      0      0      0
LAL.............1      1      1      1      1      1

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). PATCHY FOG EARLY
                    IN THE MORNING.
MAX TEMPERATURE.....AROUND 88.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 9 MPH LATE IN
                    THE MORNING.
LAL.................1.
MIXING HEIGHT.......700-1200 FT AGL INCREASING TO 7600-8000 FT AGL.
MIXING WINDS........NORTHEAST 3 TO 10 MPH SHIFTING TO THE EAST 9 TO
                    13 MPH EARLY IN THE AFTERNOON.
DISPERSION INDEX....86.
CHANCE OF PCPN......0 PERCENT.

$$
FORECASTER...ZAPPE
REQUESTED BY...MIKE WARD
TYPE OF REQUEST...PRESCRIBED
.TAG 20090423.OKE03.01/JAX