FNUS72 KJAX 181251
FWSJAX

SPOT FORECAST FOR RACCOON KEY RX...NPS CUMBERLAND ISLAND N.S.
NATIONAL WEATHER SERVICE JACKSONVILLE FL
851 AM EDT MON MAR 18 2013

FORECAST IS BASED ON IGNITION TIME OF 1500 EDT ON MARCH 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
MOISTURE WILL INCREASE TODAY...WITH RH VALUES WELL ABOVE CRITICAL
THRESHOLDS. WINDS WILL SHIFT FROM THE SOUTH TO THE SOUTHEAST THIS
AFTERNOON BEHIND A SEABREEZE WITH SPEEDS AROUND 15 MPH. WINDS WILL
TURN BACK TO THE SOUTH AND EVENTUALLY SOUTHWEST TONIGHT WITH SPEEDS
REMAINING NEAR 10 MPH THROUGH THE NIGHT...WHICH WILL KEEP THE LVORI
AT A 5 OR LESS. WINDS WILL GRADUALLY TURN TO THE WEST TUESDAY MORNING
WITH A MORE PRONOUNCED TURN TO THE NORTHWEST EARLY TUESDAY AFTERNOON
WITH THE PASSAGE OF THE COLD FRONT. SUSTAINED WINDSPEEDS WILL REMAIN
LESS THAN 15 MPH BUT A FEW GUSTS TO AROUND 20 MPH WILL BE POSSIBLE
BEHIND THE FRONT TUESDAY AFTERNOON.

FOG POTENTIAL AND OTHER REMARKS...NO FOG IS EXPECTED.

.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF SHOWERS
                    AND SLIGHT CHANCE OF THUNDERSTORMS IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 76.
MIN HUMIDITY........55 PERCENT.
WIND (20 FT)........SOUTH 5 TO 10 MPH IN THE LATE MORNING AND EARLY
                    AFTERNOON BECOMING SOUTHEAST 10 TO 15 MPH.
LAL.................1 UNTIL 1500...THEN 2.
MIXING HEIGHT.......1100-2900 FT AGL INCREASING TO 2300-3300 FT AGL
                    IN THE AFTERNOON.
MIXING WINDS........SOUTH 6 TO 15 MPH.

TIME (EDT)      3 PM   5 PM
SKY (%).........75     83
WEATHER COV.....S CHC  CHANCE
WEATHER TYPE....TSTORM RNSHWR
TEMP............76     76
RH..............56     58
20 FT WIND......S 10   SE 12
20 FT WIND GUST.15     16
MIX HGT (FT)....2900   2300
TRANSPORT WIND..S 14   S 15
LVORI...........1      2
DISPERSION INDX.44     30
CHC OF PCPN (%).20     40
LAL.............2      2

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). CHANCE OF
                    SHOWERS IN THE EVENING. SLIGHT CHANCE OF
                    THUNDERSTORMS THROUGH THE NIGHT. SLIGHT CHANCE
                    OF SHOWERS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 64.
MAX HUMIDITY........91 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 8 TO 10 MPH.
LAL.................2 UNTIL 2100...THEN 1 UNTIL 0300...THEN 2.
MIXING HEIGHT.......500-1900 FT AGL.
MIXING WINDS........SOUTHWEST 12 TO 15 MPH.
DISPERSION INDEX....27 DECREASING TO 14.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........83     72     69     75     90     80
WEATHER COV.....CHANCE CHANCE CHANCE S CHC  S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTORM
TEMP............75     70     68     66     65     64
RH..............60     74     81     86     91     91
20 FT WIND......SE 13  S 10   S 9    S 9    SW 10  SW 9
20 FT WIND GUST.15     15     15     15     15     15
MIX HGT (FT)....1900   1200   1000   800    500    600
TRANSPORT WIND..S 15   S 13   S 12   S 12   SW 12  SW 12
LVORI...........2      4      4      5      5      5
DISPERSION INDX.27     13     11     11     11     11
CHC OF PCPN (%).40     30     30     20     20     20
LAL.............2      2      1      1      1      2

.TUESDAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT) THEN BECOMING PARTLY
                    SUNNY (65-75 PERCENT). CHANCE OF SHOWERS LATE
                    IN THE MORNING.
MAX TEMPERATURE.....AROUND 74.
MIN HUMIDITY........52 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 8 TO 14 MPH.
LAL.................2 UNTIL 1500...THEN 1.
MIXING HEIGHT.......700-2500 FT AGL INCREASING TO 1900-2800 FT AGL
                    EARLY IN THE AFTERNOON.
MIXING WINDS........NORTHWEST 12 TO 21 MPH.
DISPERSION INDEX....15 INCREASING TO 43 LATE IN THE MORNING...THEN
                    INCREASING TO 55 EARLY IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.

$$
FORECASTER...SHULER
REQUESTED BY...ODY ANDERSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20130318.RACCO.02/JAX