FNUS72 KMFL 210430
FWSMFL

SPOT FORECAST FOR CLEWISTON FOG...FHP
NATIONAL WEATHER SERVICE MIAMI FL
1130 PM EST THU JAN 20 2011

FORECAST IS BASED ON INCIDENT TIME OF 2300 EST ON JANUARY 20.
IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH LEVELS OF LOW LEVEL MOISTURE AND NEARLY CALM WINDS WILL ALLOW
FOR AREAS OF FOG TO DEVELOP TONIGHT. SOME LOCATIONS MAY SEE
VISIBILITIES GREATLY REDUCED IN VERY DENSE FOG. INCREASED CLOUD COVER
AND MIXING SHOULD KEEP FOG FROM REDEVELOPING AGAIN TOMORROW NIGHT.

.REST OF TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING MOSTLY CLOUDY.
                    SLIGHT CHANCE OF SHOWERS THROUGH THE NIGHT.
                    AREAS OF DENSE FOG LATE IN THE EVENING.
MIN TEMPERATURE.....MIN 61.
MAX HUMIDITY........MAX 100 PERCENT.
WIND (20 FT)........LIGHT WINDS.
EYE LEVEL WINDS.....LIGHT WINDS.
CHANCE OF PCPN......20 PERCENT.
LAL.................1.
MIXING HEIGHT.......300-800 FT AGL.
TRANSPORT WINDS.....SOUTHWEST 3 TO 5 MPH.
DISPERSION INDEX....3.
LVORI...............10.

TIME (EST)      11 PM  1 AM   3 AM   5 AM   7 AM   9 AM
SKY (%).........60     80     80     80     80     80
WEATHER COV.....S CHC  AREAS  AREAS  AREAS  CHANCE CHANCE
WEATHER TYPE....RNSHWR FOG    FOG    FOG    RNSHWR RNSHWR
TEMP............66     64     63     61     61     64
RH..............95     100    100    100    100    97
20 FT WIND......SW 2   S 2    S 2    SW 2   SW 2   SW 2
20 FT WIND GUST.5      5      5      5      5      5
EYE LEVEL WIND..SW 2   S 2    S 2    SW 2   SW 2   SW 2
EYE LEVEL WIND..5      5      5      5      5      5
MIX HGT (FT)....800    300    300    300    1100   1100
MIXNG WIND......SW 5   S 5    S 5    SW 3   SW 3   SW 3
DISPERSION IDX..4      2      2      2      13     13
CHC OF PCPN (%).20     20     20     20     50     50
LAL.............1      1      1      1      1      1

.FRIDAY...

SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING.
                    CHANCE OF SHOWERS THROUGH THE DAY. SLIGHT
                    CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND
                    AFTERNOON.
MAX TEMPERATURE.....MAX 79.
MIN HUMIDITY........MIN 60 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE
                    LATE MORNING AND AFTERNOON.
EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST 5 TO 8 MPH IN THE
                    LATE MORNING AND AFTERNOON.
CHANCE OF PCPN......50 PERCENT.
LAL.................1 UNTIL 1000...THEN 2.
MIXING HEIGHT.......1100-2700 FT AGL INCREASING TO 3500 FT AGL IN
                    THE AFTERNOON.
TRANSPORT WINDS.....WEST 3 TO 12 MPH.
DISPERSION INDEX....17 INCREASING TO 31 IN THE AFTERNOON.
LVORI...............7.

$$
FORECASTER...TINGLER
REQUESTED BY...LT BUENO
TYPE OF REQUEST...SAR