FNUS72 KJAX 281147
FWSJAX

SPOT FORECAST FOR C-51...USFS
NATIONAL WEATHER SERVICE JACKSONVILLE FL
747 AM EDT TUE JUL 28 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON JULY 28.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...SURFACE HIGH PRESSURE WILL GRADUALLY SHIFT NORTHWARD FROM
SOUTH FLORIDA THROUGH THE END OF THE WEEK. A LIGHT SOUTH TO SOUTHWEST
FLOW WILL BECOME ONSHORE IN THE AFTERNOON NEAR THE EAST COAST DUE TO
THE SEABREEZE. SCATTERED TO NUMEROUS SHOWERS AND STORMS ARE EXPECTED
EACH DAY. WINDS WILL REMAIN BELOW 15 MPH OUTSIDE OF THUNDERSTORMS.
RELATIVE HUMIDITIES WILL REMAIN ABOVE CRITICAL VALUES.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY (35-45 PERCENT). SHOWERS AND THUNDERSTORMS
                    LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH LATE IN
                    THE MORNING.
LAL.................1 UNTIL 1400...THEN 3.
MIXING HEIGHT.......900-1600 FT AGL INCREASING TO 5000-6500 FT AGL.
MIXING WINDS........SOUTH 5 TO 10 MPH.
DISPERSION INDEX....65.
CHANCE OF PCPN......70 PERCENT.

TIME (EDT)      9 AM   11 AM  1 PM   3 PM   5 PM
SKY (%).........33     39     39     49     54
WEATHER COV.....                     S CHC  LIKELY
WEATHER TYPE....NONE   NONE   NONE   TSTORM TSTORM
TEMP............79     86     90     90     88
RH..............80     62     53     51     54
20 FT WIND......S 1    S 5    S 6    S 7    S 7
20 FT WIND GUST.5             10     10     10
MIX HGT (FT)....1600   4000   4000   6500   6300
TRANSPORT WIND..S 3    S 7    S 7    S 9    S 10
CHC OF PCPN (%).0      0      0      20     70
LAL.............1      1      1      3      4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (35-45 PERCENT). SHOWERS AND
                    THUNDERSTORMS LIKELY IN THE EVENING. SLIGHT
                    CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........91 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH EARLY IN THE EVENING
                    BECOMING LIGHT.
LAL.................4 UNTIL 2300...THEN 2 UNTIL 0200...THEN 1.
MIXING HEIGHT.......6300 FT AGL DECREASING TO 200-800 FT AGL.
MIXING WINDS........SOUTH 5 TO 10 MPH.
DISPERSION INDEX....1.
CHANCE OF PCPN......70 PERCENT.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........54     59     59     44     31     31
WEATHER COV.....LIKELY CHANCE CHANCE CHANCE S CHC  S CHC
WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM
TEMP............87     83     80     78     77     76
RH..............57     68     75     79     83     85
20 FT WIND......S 6    S 5    S 1    S 0    S 0    S 0
20 FT WIND GUST.10     10     5      5             5
MIX HGT (FT)....6300   1600   1600   900    200    200
TRANSPORT WIND..S 10   S 8    S 8    S 5    S 2    S 2
CHC OF PCPN (%).70     50     50     30     20     20
LAL.............3      3      3      2      1      1

.WEDNESDAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT) THEN BECOMING
                    MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE MORNING.
                    SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 90.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE
                    LATE MORNING AND AFTERNOON.
LAL.................1 UNTIL 0800...THEN 3 UNTIL 1100...THEN 4.
MIXING HEIGHT.......900-1400 FT AGL INCREASING TO 3500-4200 FT AGL.
MIXING WINDS........SOUTH 5 TO 10 MPH.
DISPERSION INDEX....38.
CHANCE OF PCPN......60 PERCENT.

$$
FORECASTER...HESS
REQUESTED BY...RAMSAY
TYPE OF REQUEST...PRESCRIBED
.TAG 20090728.C51__.01/JAX