FNUS72 KJAX 262138
FWSJAX

SPOT FORECAST FOR IMPASSABLE BAY...USDA-FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
538 PM EDT SUN JUN 26 2011

FORECAST IS BASED ON REQUEST TIME OF 1800 EDT ON JUNE 26.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...NUMEROUS THUNDERSTORMS ALREADY ONGOING JUST WEST OF THE
WILDFIRE LOCATION. WILL SEE VARIABLE AND GUSTY SURFACE WINDS FROM
THUNDERSTORM OUTFLOWS THROUGH SUNSET UNTIL A MORE GENERAL SOUTH TO
SOUTHWEST FLOW DEVELOPS AFTER MIDNIGHT. EXPECT TO SEE PATCHY DENSE
SMOKE AND FOG NORTHEAST OF THE WILDFIRE LOCATION AGAIN MONDAY MORNING.
A REPEAT PERFORMANCE OF SCATTERED THUNDERSTORMS DURING THE AFTERNOON
HOURS ON MONDAY WITH HOT AND HUMID CONDITIONS.

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
                    PATCHY DENSE SMOKE AND FOG LATE TONIGHT.
MIN TEMPERATURE.....AROUND 72.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH IN THE EVENING
                    BECOMING LIGHT.
LAL.................3 UNTIL 2000...THEN 2 UNTIL 0200...THEN 1.
MIXING HEIGHT.......4500 FT AGL DECREASING TO 300-1700 FT AGL EARLY
                    IN THE EVENING.
MIXING WINDS........SOUTHWEST 5 TO 10 MPH.
DISPERSION INDEX....2.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........60     56     56     50     46     46
WEATHER COV.....CHANCE S CHC  S CHC  S CHC
WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM NONE   NONE
TEMP............90     85     79     77     75     73
RH..............53     64     76     83     89     97
20 FT WIND......SW 7   SW 8   SW 7   SW 5   SW 3   SW 2
20 FT WIND GUST.10     10     10
MIX HGT (FT)....4500   1700   1700   1000   300    300
TRANSPORT WIND..W 12   SW 13  SW 13  SW 9   SW 5   SW 5
LAL.............3      2      2      2      1      1

.MONDAY...

SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). PATCHY DENSE FOG
                    AND SMOKE EARLY. CHANCE OF SHOWERS AND THUNDERSTORMS
                    MAINLY DURING THE AFTERNOON.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........44 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 MPH IN THE AFTERNOON.
LAL.................1 UNTIL 0800...THEN 2 UNTIL 1400...THEN 3.
MIXING HEIGHT.......1100-1800 FT AGL INCREASING TO 4700 FT AGL LATE
                    IN THE MORNING...THEN INCREASING TO 7600 FT AGL
                    IN THE AFTERNOON
MIXING WINDS........SOUTHWEST 5 TO 10 MPH SHIFTING TO THE SOUTHEAST
                    IN THE AFTERNOON.
DISPERSION INDEX....32.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........42     41     41     41     55     55
WEATHER COV.....       S CHC  S CHC  S CHC  CHANCE CHANCE
WEATHER TYPE....NONE   TSTORM TSTORM TSTORM TSTORM TSTORM
TEMP............72     75     86     93     96     94
RH..............100    92     63     49     43     46
20 FT WIND......SW 1   SW 1   SW 1   SW 2   SW 3   SW 5
20 FT WIND GUST.
MIX HGT (FT)....1100   1800   1800   4700   7600   7600
TRANSPORT WIND..SW 6   W 7    W 7    S 6    E 5    E 5
LAL.............1      2      2      2      3      3

$$
FORECASTER...HESS
REQUESTED BY...PETER MYERS
TYPE OF REQUEST...WILDFIRE
.TAG 20110626.IMPAS.02/JAX