FNUS72 KJAX 250907
FWSJAX

SPOT FORECAST FOR IMPASSABLE BAY...USDA-FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
507 AM EDT SAT JUN 25 2011

FORECAST IS BASED ON REQUEST TIME OF 0438 EDT ON JUNE 25.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...THE CHANCE OF RAIN THIS MORNING FOR BAKER AND
COLUMBIA COUNTIES IS 30 PERCENT AS A WEAK TROUGH OF LOW PRESSURE
DRIFTS SOUTH OVER THE AREA. THUNDERSTORMS ARE POSSIBLE IN THE
AFTERNOON WITH CLOSE TO A 50 PERCENT CHANCE...ALTHOUGH MOST OF THE
STORMS THIS AFTERNOON WILL BE SOUTH OF I-10. RAINFALL AMOUNTS ARE
EXPECTED TO BE ON THE LIGHT SIDE...LESS THAN A QUARTER OF AN
INCH.

LATE AFTERNOON THE WINDS WILL SHIFT TO SOUTH-SOUTHWEST IN RESPONSE
TO A SEA BREEZE DEVELOPING EAST OF THE FIRE.

OUTLOOK FOR SUNDAY...RAIN CHANCES ARE NOT QUITE AS HIGH WITH 40
PERCENT CHANCE OF LIGHTNING STORMS IN THE AFTERNOON. WEST-
SOUTHWEST WINDS WILL SHIFT TO SOUTH-SOUTHWEST AROUND 4 PM.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). SLIGHT CHANCE OF
                    SHOWERS EARLY IN THE MORNING...THEN CHANCE OF
                    SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 94.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE
                    LATE MORNING AND AFTERNOON.
LAL.................1 UNTIL 0800...THEN 3.
MIXING HEIGHT.......900-1600 FT AGL INCREASING TO 3800-5300 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........WEST 3 TO 8 MPH.
DISPERSION INDEX....30.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........51     73     73     73     65     65
WEATHER COV.....S CHC  CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR TSTORM TSTORM TSTORM TSTORM TSTORM
TEMP............70     74     84     91     94     93
RH..............99     92     67     54     47     48
20 FT WIND......W 3    W 3    W 5    W 6    W 6    W 8
20 FT WIND GUST.5      5                           10
MIX HGT (FT)....900    1600   1600   3800   5300   5300
TRANSPORT WIND..W 3    W 7    W 7    W 7    W 7    W 7
LAL.............1      3      3      3      3      3

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS UNTIL EARLY MORNING.
MIN TEMPERATURE.....AROUND 70.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH BECOMING LIGHT.
LAL.................3 UNTIL 0200...THEN 1.
MIXING HEIGHT.......2800-4500 FT AGL DECREASING TO 400-1600 FT AGL
                    LATE IN THE EVENING.
MIXING WINDS........WEST 6 TO 8 MPH.
DISPERSION INDEX....4.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........65     68     68     68     61     61
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM NONE   NONE
TEMP............89     83     78     75     73     71
RH..............54     67     81     88     94     97
20 FT WIND......SW 8   S 6    SW 5   SW 5   SW 6   W 5
20 FT WIND GUST.10     10     10
MIX HGT (FT)....4500   2800   2800   1600   400    400
TRANSPORT WIND..W 8    SW 8   SW 8   SW 7   SW 6   SW 6
LAL.............3      3      3      3      1      1

.SUNDAY...

SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS
                    AND THUNDERSTORMS EARLY IN THE MORNING.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
                    THE LATE MORNING AND AFTERNOON.
LAL.................1 UNTIL 0800...THEN 3.
MIXING HEIGHT.......1000-1600 FT AGL INCREASING TO 4900 FT AGL LATE
                    IN THE MORNING...THEN INCREASING TO 7300 FT AGL
                    EARLY IN THE AFTERNOON DECREASING TO 4800 FT
                    AGL LATE IN THE AFTERNOON.
MIXING WINDS........WEST 7 TO 9 MPH.
DISPERSION INDEX....54.

$$
FORECASTER...TRABERT
REQUESTED BY...PETER MYERS
TYPE OF REQUEST...WILDFIRE
.TAG 20110625.IMPAS.01/JAX