FNUS72 KJAX 162054
FWSJAX

SPOT FORECAST FOR IMPASSABLE...USDA
NATIONAL WEATHER SERVICE JACKSONVILLE FL
454 PM EDT THU JUN 16 2011

FORECAST IS BASED ON REQUEST TIME OF 1643 EDT ON JUNE 16.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...RED FLAG WARNING IN EFFECT UNTIL 6 PM EDT THIS EVENING FOR LOW RHS
AND HIGH DISPERSIONS...

.DISCUSSION...WEAK HIGH PRESSURE TO THE SOUTH WILL MAINTAIN LIGHT
SOUTH TO SOUTHWEST FLOW ACROSS THE AREA WITH INLAND PENETRATIONS OF
THE SEA BREEZES EACH AFTERNOON. WIDELY SCATTERED LATE DAY AND
EVENING THUNDERSTORMS ARE POSSIBLE ALONG THE SEA BREEZE BOUNDARIES.

THIS EVENING...THE EAST COAST SEA BREEZE WAS NOTED OVER COASTAL
COUNTIES...HOWEVER A DOMINANT WESTERLY FLOW IS EXPECTED TO KEEP
THE BOUNDARY EAST OF THE FIRE SITE THIS EVENING. OUTFLOW BOUNDARIES
FROM STORMS NORTH AND WEST OF THE FIRE SITE MAY CAUSE WIND SHIFTS
AND GUSTS LATER THIS EVENING.

PREVAILING WEST WINDS AND LOW HUMIDITIES ARE EXPECTED ONCE AGAIN
ON FRIDAY.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). SLIGHT CHANCE OF
                    THUNDERSTORMS EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 70.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH IN THE EVENING
                    BECOMING LIGHT.
LAL.................2 UNTIL 2000...THEN 1.
MIXING HEIGHT.......6800 FT AGL DECREASING TO 300-1700 FT AGL.
MIXING WINDS........SOUTHWEST 9 TO 16 MPH DECREASING TO AROUND 6
                    MPH AFTER MIDNIGHT.
DISPERSION INDEX....75 DECREASING TO 3.

TIME (EDT)      4 PM   6 PM   8 PM   10 PM  MIDNIGHT 2 AM   4 AM
SKY (%).........50     50     50     50     50     50     50
WEATHER COV.....S CHC  S CHC
WEATHER TYPE....TSTORM TSTORM NONE   NONE   NONE   NONE   NONE
TEMP............97     92     85     79     76     74     72
RH..............39     51     70     80     91     100    100
20 FT WIND......SW 9   SW 8   SW 5   SW 5   SW 3   SW 2   SW 3
20 FT WIND GUST.15     10                   5      5      5
MIX HGT (FT)....6800   4200   1700   1700   1000   300    1100
TRANSPORT WIND..SW 16  SW 15  SW 13  SW 13  SW 9   W 6    SW 6
LAL.............2      2      1      1      1      1      1

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 97.
MIN HUMIDITY........35 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN
                    THE LATE MORNING AND AFTERNOON.
LAL.................1.
MIXING HEIGHT.......1100-1800 FT AGL INCREASING TO 4900 FT AGL LATE
                    IN THE MORNING...THEN INCREASING TO 7900 FT AGL
                    EARLY IN THE AFTERNOON DECREASING TO 4800 FT
                    AGL LATE IN THE AFTERNOON.
MIXING WINDS........SOUTHWEST 6 TO 15 MPH.
DISPERSION INDEX....84.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........50     33     33     33     43     43
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............70     74     86     94     97     96
RH..............100    98     63     44     35     37
20 FT WIND......SW 3   SW 3   SW 5   S 7    S 8    S 8
20 FT WIND GUST.5      5      10     10     15     15
MIX HGT (FT)....1100   1800   1800   4900   7900   7900
TRANSPORT WIND..SW 6   SW 8   SW 8   SW 9   SW 10  SW 10
LAL.............1      1      1      1      1      1

$$
FORECASTER...ENYEDI
REQUESTED BY...PETE MYERS
TYPE OF REQUEST...WILDFIRE
.TAG 20110616.IMPAS.01/JAX