FNUS72 KMFL 161242 FWSMFL SPOT FORECAST FOR NORTH LIL DEER RX...NPS BIG CYPRESS NATIONAL WEATHER SERVICE MIAMI FL 742 AM EST WED DEC 16 2009 FORECAST IS BASED ON IGNITION TIME OF 1200 EST ON DECEMBER 16. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK TROUGH OF LOWER PRESSURE IN THE LAKE OKEECHOBEE REGION EARLY THIS MORNING WILL DRIFT SOUTH NEAR THE FLORIDA KEYS BEFORE BECOMING STATIONARY TONIGHT. THIS WILL RESULT IN A WEAK NORTHEASTERLY WIND FLOW ACROSS MAINLAND SOUTH FLORIDA TODAY ALTHOUGH SEABREEZES WILL LIKELY DEVELOP NEAR THE GULF AND ATLANTIC COASTS DURING THE AFTERNOONS. SHOWERS AND EVEN A FEW THUNDERSTORMS ARE ALSO POSSIBLE THIS AFTERNOON AS TEMPERATURES RISE NEAR RECORD LEVELS WELL INTO THE 80S. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). PATCHY DENSE FOG EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS IN THE MORNING. CHANCE OF SHOWERS IN THE AFTERNOON. TEMPERATURE.........83 AT IGNITION...MAX 86. RH..................59 PERCENT AT IGNITION...MIN 53 PERCENT. DEWPOINT............67. WIND (20 FT)........WINDS NORTHEAST AT 2 MPH AT IGNITION...OTHERWISE LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH LATE IN THE AFTERNOON. EYE LEVEL WINDS.....LIGHT WINDS BECOMING NORTHEAST AROUND 5 MPH LATE IN THE AFTERNOON. POP (12 HR).................30 PERCENT. POP (12 HR).................30 PERCENT. LAL.................1. MIXING HEIGHT.......3500 FT AGL AT IGNITION...OTHERWISE 1900-3500 FT AGL INCREASING TO 3500-4500 FT AGL IN THE AFTERNOON. MIXING WINDS........EAST 5 TO 8 MPH. DISPERSION INDEX....22 INCREASING TO 29 LATE IN THE AFTERNOON. LVORI...............4. TIME (EST) NOON 2 PM 4 PM 6 PM 8 PM 10 PM SKY (%).........50 50 50 50 60 60 WEATHER COV.....S CHC CHANCE CHANCE CHANCE S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR 12 HR CHC PCPN. 30 30 30 30 20 20 6 HR CHC PCPN. 30 30 30 30 20 20 TEMP............83 86 85 75 70 65 RH..............59 53 55 74 87 100 20 FT WIND......NE 2 NE 3 NE 4 NE 4 NE 4 NE 3 20 FT WIND GUST. 5 5 5 10 5 EYE LEVEL WIND..NE 2 NE 3 NE 4 NE 4 NE 4 NE 3 EYE LVL WIND G.. 5 5 5 10 5 MIX HGT (FT)....3500 4500 3500 3500 500 500 MIXNG WIND......E 6 E 5 E 7 E 7 NE 9 NE 12 DISP IDX (LDSI).25 24 29 29 6 8 LVORI...........3 2 2 2 5 8 LAL.............1 1 1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. PATCHY FOG AFTER MIDNIGHT. TEMPERATURE.........MIN 58. RH..................MAX 100 PERCENT. DEWPOINT............66. WIND (20 FT)........NORTHEAST WINDS AROUND 5 MPH IN THE EVENING BECOMING LIGHT. EYE LEVEL WINDS.....NORTHEAST WINDS AROUND 5 MPH IN THE EVENING BECOMING LIGHT. POP (12 HR).................20 PERCENT. POP (12 HR).................20 PERCENT. LAL.................1. MIXING HEIGHT.......500 FT AGL. MIXING WINDS........EAST 9 TO 15 MPH. DISPERSION INDEX....7. LVORI...............7. .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). CHANCE OF RAIN SHOWERS THROUGH THE DAY. TEMPERATURE.........MAX 82. RH..................MIN 61 PERCENT. DEWPOINT............67. WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 7 MPH IN THE AFTERNOON. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST AROUND 7 MPH IN THE AFTERNOON. POP (12 HR).................50 PERCENT. POP (12 HR).................50 PERCENT. LAL.................1 UNTIL 1300...THEN 2. MIXING HEIGHT.......1800-3000 FT AGL INCREASING TO 3500-4000 FT AGL IN THE AFTERNOON. MIXING WINDS........EAST 10 TO 15 MPH. DISPERSION INDEX....31. LVORI...............3. .FORECAST DAYS 3 THROUGH 5... .FRIDAY... SHOWERS LIKELY AND CHANCE OF THUNDERSTORMS. LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 6 MPH. .SATURDAY... MOSTLY CLOUDY. CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 7 MPH. .SUNDAY... MOSTLY CLEAR. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTHWEST WINDS AROUND 5 MPH. $$ FORECASTER...PFOST REQUESTED BY...GEORGE SHEPPARD TYPE OF REQUEST...PRESCRIBED