FNUS72 KJAX 181836
FWSJAX

SPOT FORECAST FOR SV12...DEP PARKS AND REC
NATIONAL WEATHER SERVICE JACKSONVILLE FL
236 PM EDT TUE JUN 18 2013

FORECAST IS BASED ON IGNITION TIME OF 1400 EDT ON JUNE 18.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
BREEZY SOUTHWEST WINDS...WITH SUSTAINED SPEEDS NEAR 15 MPH WITH
FREQUENT GUSTS OF 20-25 MPH...ARE EXPECTED TO CONTINUE OVER NORTH
CENTRAL FLORIDA THROUGH THE LATE AFTERNOON HOURS. THESE STRONGER
WINDS WILL PUSH DISPERSION INDICES TO HIGH LEVELS...GENERALLY
AROUND 80. ISOLATED TO WIDELY SCATTERED SHOWERS AND THUNDERSTORMS
WILL BE POSSIBLE THOUGH SUNSET. TEMPERATURES WILL REMAIN IN THE
MID 90S THROUGH THE LATE AFTERNOON HOURS. WINDS WILL QUICKLY
DIMINISH TOWARDS SUNSET...WITH WINDS BECOMING SOUTH TO SOUTHWEST
OVERNIGHT AT 5-10 MPH. RAIN CHANCES WILL ALSO DIMINISH TO BELOW 10
PERCENT AFTER SUNSET. SOUTHWEST WINDS WILL INCREASE AFTER SUNRISE
ON WEDNESDAY...BUT SHOULD NOT BE AS STRONG AS TODAY. EXPECT
SUSTAINED SPEEDS OF 10-15 MPH BY THE LATE MORNING HOURS. SCATTERED
SHOWERS AND THUNDERSTORMS ARE EXPECTED TO DEVELOP DURING THE
AFTERNOON HORUS ON WEDNESDAY.

FOG POTENTIAL AND OTHER REMARKS...
SIGNIFICANT FOG FORMATION IS NOT EXPECTED THROUGH THURSDAY.

.REST OF TODAY...

MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........45 PERCENT.
WIND (20 FT)........SOUTHWEST 15 TO 20 MPH.
LAL.................1.
MIXING HEIGHT.......4700 FT AGL.
DISPERSION INDEX....70.
CHANCE OF PCPN......30.
LVORI...............5.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........97 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH.
LAL.................1.
MIXING HEIGHT.......3700 FT AGL DECREASING TO 400 FT AGL
                    IN THE LATE EVENING AND OVERNIGHT.
MIXING WINDS........SOUTHWEST 10 TO 18 MPH DECREASING TO 10 MPH
                    EARLY IN THE EVENING.
DISPERSION INDEX....70 DECREASING TO 10.
CHANCE OF PCPN......10 PERCENT.
LVORI...............4.

TIME (EDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........9      7      10     19     35     41
WEATHER COV.....S CHC
WEATHER TYPE....TSTORM NONE   NONE   NONE   NONE   NONE
TEMP............90     85     80     78     76     75
RH..............52     63     75     83     89     93
20 FT WIND......SW 10  SW 8   SW 7   SW 7   SW 7   SW 6
20 FT WIND GUST.15     10     10     10     10     10
MIX HGT (FT)....3700   2600   1600   1100   700    500
TRANSPORT WIND..SW 18  W 18   W 15   SW 13  SW 10  SW 7
LVORI...........1      2      4      4      6      6
DISPERSION INDX.67     13     8      7      6      5
CHC OF PCPN (%).20     10     10     10     0      0
LAL.............1      1      1      1      1      1

.WEDNESDAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS
                    AND THUNDERSTORMS LATE IN THE AFTERNOON.
MAX TEMPERATURE.....AROUND 91.
MIN HUMIDITY........53 PERCENT.
WIND (20 FT)........WEST WINDS 6 TO 12 MPH.
LAL.................1 UNTIL 1500...THEN 3.
MIXING HEIGHT.......200-2000 FT AGL INCREASING TO 2500-3700 FT AGL
                    LATE IN THE MORNING.
MIXING WINDS........SOUTHWEST 6 TO 14 MPH SHIFTING TO THE WEST
                    AROUND 16 MPH LATE IN THE MORNING.
DISPERSION INDEX....9 INCREASING TO 57.
CHANCE OF PCPN......20 PERCENT.
LVORI...............4.

$$
FORECASTER...NELSON
REQUESTED BY...DANIEL WILLIS
TYPE OF REQUEST...PRESCRIBED
.TAG 20130618.SV12_.01/JAX