FNUS72 KMFL 220432 FWSMFL SPOT FORECAST FOR ALLEY 40 MM NATIONAL WEATHER SERVICE MIAMI FL 1132 PM EST FRI JAN 21 2011 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. SPOT FORECAST FOR ALLEY 40 MM...FHP NATIONAL WEATHER SERVICE MIAMI FL 1130 PM EST FRI JAN 21 2011 FORECAST IS BASED ON INCIDENT TIME OF 2300 EST ON JANUARY 21. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... LIGHT WINDS AND AMPLE LOW LEVEL MOISTURE MAY BE CONDUSIVE FOR PATHCY TO AREAS OF FOG TO DEVELOP THROUGH THE NEXT 3 TO 5 HOURS, HOWEVER WINDS ARE EXPECTED TO INCREASE TOWARD MORNING AS A COLD FRONT ENTERS SOUTH FLORIDA. CLOUD COVER MAY ALSO HINDER FOG DEVELOPMENT. .REST OF TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY. SLIGHT CHANCE OF SHOWERS. MIN TEMPERATURE.....MIN 64. MAX HUMIDITY........MAX 100 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 7 MPH LATE IN THE NIGHT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING WEST AROUND 7 MPH LATE IN THE NIGHT. CHANCE OF PCPN......20 PERCENT. LAL.................1. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....WEST AROUND 2 MPH. DISPERSION INDEX....2. LVORI...............8. TIME (EST) 11 PM 1 AM 3 AM 5 AM 7 AM 9 AM SKY (%).........70 80 80 80 80 80 WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............65 66 65 65 64 66 RH..............100 100 100 100 100 84 20 FT WIND......SW 3 W 3 W 3 W 5 W 6 W 6 20 FT WIND GUST.5 5 5 10 15 15 EYE LEVEL WIND..SW 3 W 3 W 3 W 5 W 6 W 6 EYE LEVEL WIND..5 5 5 10 15 15 MIX HGT (FT)....300 300 300 300 1500 1500 MIXNG WIND......W 2 W 2 W 2 W 2 W 5 W 5 DISPERSION IDX..2 1 1 1 7 7 CHC OF PCPN (%).20 20 20 20 20 20 LAL.............1 1 1 1 1 1 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY THEN BECOMING PARTLY SUNNY. SLIGHT CHANCE OF SHOWERS IN THE MORNING. MAX TEMPERATURE.....MAX 71. MIN HUMIDITY........MIN 47 PERCENT. WIND (20 FT)........NORTHWEST WINDS 8 TO 9 MPH. EYE LEVEL WINDS.....NORTHWEST WINDS 8 TO 9 MPH. CHANCE OF PCPN......20 PERCENT. LAL.................1. MIXING HEIGHT.......1500-3000 FT AGL. TRANSPORT WINDS.....WEST 5 TO 9 MPH SHIFTING TO THE NORTHWEST 13 TO 16 MPH IN THE AFTERNOON. DISPERSION INDEX....7 INCREASING TO 30 LATE IN THE MORNING...THEN INCREASING TO 52 EARLY IN THE AFTERNOON DECREASING TO 36 LATE IN THE AFTERNOON. LVORI...............6. $$ FORECASTER...TINGLER REQUESTED BY...LT BUENO TYPE OF REQUEST...SAR $$ REQUESTED BY...LT. BUENO REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, U