FNUS72 KMFL 142222 FWSMFL SPOT FORECAST FOR PRESCRIBED BURN...FHP NATIONAL WEATHER SERVICE MIAMI FL 622 PM EDT FRI AUG 14 2009 FORECAST IS BASED ON REQUEST TIME OF 1800 EDT ON AUGUST 14. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A SURFACE TROUGH WILL MOVE ACROSS SOUTH FLORIDA LATE TONIGHT THROUGH SATURDAY MORNING...BRINGING AN INCREASE IN SHOWER ACTIVITY...ALONG WITH A FEW THUNDERSTORMS TO THE AREA ESPECIALLY ON SATURDAY. HOWEVER...THERE WILL BE A CHANCE OF SHOWERS EVEN THROUGHOUT THE NIGHT AS MOISTURE INCREASES. PATCHY GROUND FOG NEAR SUNRISE IS POSSIBLE ACROSS THE BURN AREA...BUT DENSE FOG IS NOT EXPECTED. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF SHOWERS IN THE EVENING. SLIGHT CHANCE OF THUNDERSTORMS THROUGH THE NIGHT. CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 74. MAX HUMIDITY........100 PERCENT. DEWPOINT............74. WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT...THEN BECOMING LIGHT LATE IN THE NIGHT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST AROUND 5 MPH AFTER MIDNIGHT...THEN BECOMING LIGHT LATE IN THE NIGHT. CHANCE OF PCPN......40 PERCENT. LAL.................2. MIXING HEIGHT.......500-2300 FT AGL. MIXING WINDS........EAST 5 TO 9 MPH. DISPERSION INDEX....4. LVORI...............7. TIME (EDT) 8 PM 10 PM MIDNGT 2 AM 4 AM 6 AM SKY (%).........50 50 51 56 61 66 WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM RNSHWR RNSHWR RNSHWR CHC OF PCPN (%).40 40 40 40 40 40 TEMP............80 78 76 75 75 74 RH..............78 86 91 94 97 100 20 FT WIND......E 2 E 2 E 3 E 4 E 4 E 3 20 FT WIND GUST.5 5 5 5 5 5 EYE LEVEL WIND..E 2 E 2 E 3 E 4 E 4 E 3 EYE LVL WIND G..5 5 5 5 5 5 MIX HGT (FT)....2300 2300 500 500 500 500 MIXNG WIND......E 9 E 9 E 8 E 7 E 7 E 5 DISP IDX (LDSI).4 4 5 5 5 3 LVORI...........5 5 6 7 7 9 LAL.............2 2 2 2 2 2 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY. MAX TEMPERATURE.....AROUND 91. MIN HUMIDITY........58 PERCENT. DEWPOINT............74. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 7 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 7 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. CHANCE OF PCPN......60 PERCENT. LAL.................4. MIXING HEIGHT.......1800-3200 FT AGL INCREASING TO 4000-4500 FT AGL IN THE AFTERNOON. MIXING WINDS........EAST 6 TO 12 MPH INCREASING TO SOUTHEAST 18 TO 22 MPH IN THE AFTERNOON. DISPERSION INDEX....11 INCREASING TO 57. LVORI...............3. $$ FORECASTER...DIEHL REQUESTED BY...LT SAPP TYPE OF REQUEST...WILDFIRE