FNUS72 KJAX 222120
FWSJAX

SPOT FORECAST FOR IMPASSABLE BAY...USDA-FOREST SERVICE
NATIONAL WEATHER SERVICE JACKSONVILLE FL
520 PM EDT WED JUN 22 2011

FORECAST IS BASED ON REQUEST TIME OF 1658 EDT ON JUNE 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE WILL CONTINUE ACROSS SOUTH FLORIDA
WHILE WEAK TROUGHING LINGERS ACROSS THE SOUTHEAST REGION.
A WARM WESTERLY FLOW WILL CONTINUE ACROSS THE FORECAST AREA...
WITH INCREASED RAIN CHANCES THROUGH THE WEEKEND DUE TO THE
TROUGH INTERACTING WITH SEA BREEZES. WINDS WILL REMAIN
BELOW 15 MPH EXCEPT NEAR THUNDERSTORMS AND ALONG THE COAST
IN THE AFTERNOON WITH THE SEA BREEZE. RELATIVE HUMIDITIES
WILL BE ABOVE CRITICAL VALUES.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT) THEN BECOMING
                    PARTLY CLOUDY (40-50 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE EVENING.
MIN TEMPERATURE.....AROUND 73.
MAX HUMIDITY........100 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH IN THE EVENING
                    BECOMING LIGHT.
LAL.................3 UNTIL 2000...THEN 2 UNTIL 0200...THEN 1.
MIXING HEIGHT.......7900 FT AGL DECREASING TO 300-1800 FT AGL LATE
                    IN THE EVENING.
MIXING WINDS........SOUTHWEST 6 TO 12 MPH.
DISPERSION INDEX....3.
CHANCE OF PCPN......20-30 PERCENT.
LVORI...............6.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........65     49     47     46     40     40
WEATHER COV.....CHANCE S CHC  S CHC  S CHC
WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM NONE   NONE
TEMP............93     87     81     78     76     74
RH..............46     64     77     84     90     96
20 FT WIND......SW 8   W 7    SW 5   SW 2   SW 3   SW 3
20 FT WIND GUST.12     10     10     10     5      5
MIX HGT (FT)....7900   2500   1800   1000   300    300
TRANSPORT WIND..W 10   W 12   W 12   W 9    SW 6   SW 6
LVORI...........6      6      6      6      6      6
DISPERSION INDX.85     32     30     4      3      3
CHC OF PCPN (%).30     20     20     20     0      0
LAL.............3      2      2      2      1      1

.THURSDAY...

SKY/WEATHER.........PARTLY CLOUDY (50-60 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS IN THE MORNING.
                    CHANCE OF SHOWERS AND THUNDERSTORMS IN
                    THE AFTERNOON.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH
                    IN THE MORNING.
LAL.................1 UNTIL 0800...THEN 2 UNTIL 1400...THEN 3.
MIXING HEIGHT.......1200-2100 FT AGL INCREASING TO NEAR 7000 FT
                    AGL.
MIXING WINDS........SOUTHWEST 7 TO 13 MPH.
DISPERSION INDEX....60.
CHANCE OF PCPN......30 PERCENT.

TIME (EDT)      6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%).........35     45     50     50     69     69
WEATHER COV.....       S CHC  S CHC  S CHC  CHANCE CHANCE
WEATHER TYPE....NONE   TSTORM TSTORM TSTORM TSTORM TSTORM
TEMP............73     76     86     93     96     94
RH..............100    96     69     55     47     48
20 FT WIND......SW 3   W 5    W 6    W 7    SW 8   SW 7
20 FT WIND GUST.10     10     10     15     15     10
MIX HGT (FT)....1200   2100   2100   4600   7000   7000
TRANSPORT WIND..SW 7   W 9    W 9    SW 12  SW 13  SW 13
DISPERSION INDX.3      6      6      63     61     61
CHC OF PCPN (%).0      10     20     25     50     50
LAL.............1      2      2      2      3      3

$$
FORECASTER...SHASHY
REQUESTED BY...PETER MYERS
TYPE OF REQUEST...WILDFIRE
.TAG 20110622.IMPAS.02/JAX