FNUS72 KMFL 210421 FWSMFL SPOT FORECAST FOR WEST GATE ALLEY NATIONAL WEATHER SERVICE MIAMI FL 1121 PM EST THU JAN 20 2011 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. SPOT FORECAST FOR WEST GATE ALLEY...FHP NATIONAL WEATHER SERVICE MIAMI FL 1119 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. A FEW ISOLATED SHOWERS MAY ALSO BE POSSIBLE THROUGH THE NIGHT. .REST OF TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. SLIGHT CHANCE OF RAIN SHOWERS THROUGH THE NIGHT. AREAS OF DENSE FOG LATE IN THE EVENING. MIN TEMPERATURE.....MIN 59. MAX HUMIDITY........MAX 100 PERCENT. WIND (20 FT)........LIGHT WINDS. EYE LEVEL WINDS.....LIGHT WINDS. CHANCE OF PCPN......20 PERCENT. LAL.................1. MIXING HEIGHT.......200-800 FT AGL. TRANSPORT WINDS.....SOUTH 0 TO 3 MPH. DISPERSION INDEX....2. LVORI...............10. TIME (EST) 11 PM 1 AM 3 AM 5 AM 7 AM 9 AM SKY (%).........50 70 70 70 70 70 WEATHER COV.....S CHC AREAS AREAS AREAS CHANCE CHANCE WEATHER TYPE....RNSHWR FOG FOG FOG RNSHWR RNSHWR TEMP............64 63 61 59 59 64 RH..............100 100 100 100 100 99 20 FT WIND......S 2 S 1 S 1 S 0 SW 0 SW 0 20 FT WIND GUST. EYE LEVEL WIND..S 2 S 1 S 1 S 0 SW 0 SW 0 EYE LEVEL WIND.. MIX HGT (FT)....800 200 200 200 1000 1000 MIXNG WIND......S 3 S 1 S 1 S 0 SW 0 SW 0 DISPERSION IDX..2 1 1 1 12 12 CHC OF PCPN (%).20 20 20 20 40 40 LAL.............1 1 1 1 1 1 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY. PATCHY FOG EARLY IN THE MORNING. CHANCE OF RAIN SHOWERS THROUGH THE DAY. SLIGHT CHANCE OF THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. MAX TEMPERATURE.....MAX 78. MIN HUMIDITY........MIN 64 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 7 TO 8 MPH IN THE AFTERNOON. EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST 7 TO 8 MPH IN THE AFTERNOON. CHANCE OF PCPN......40 PERCENT. LAL.................1 UNTIL 1000...THEN 2. MIXING HEIGHT.......1000-2700 FT AGL INCREASING TO 3000-3500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 0 TO 5 MPH SHIFTING TO THE WEST 10 TO 12 MPH IN THE AFTERNOON. DISPERSION INDEX....16 INCREASING TO 31 IN THE AFTERNOON. LVORI...............7. $$ FORECASTER...TINGLER REQUESTED BY...LT BUENO TYPE OF REQUEST...SAR $$ REQUESTED BY...LT. BUENO REASON FOR REQUEST...ESSENTIAL TO PUBLIC SAFETY, E.G. DUE TO THE PROXIMITY OF POPULATION CENTERS OR CRITICAL INFRASTRUCTURE.