FNUS72 KMFL 201211 FWSMFL SPOT FORECAST FOR HEADQUARTERS RX...EVERGLADES NATIONAL PARK NATIONAL WEATHER SERVICE MIAMI FL 811 AM EDT SAT AUG 20 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON AUGUST 20. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... ISOLATED TO SCATTERED SHOWERS WITH AN ISOLATED THUNDERSTORM ARE POSSIBLE ACROSS THE BURN AREA UNTIL THE BURN TIME. THEN AROUND NOON AND DURING THE AFTERNOON HOURS NUMEROUS SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS THE BURN AREA...WITH A CHANCE OF A FEW STRONG THUNDERSTORMS. ISOLATED GUSTS WITH THE OCCURRENCE OF A STRONG THUNDERSTORM COULD APPROACH 40 TO 50 MPH. SHOWERS AND THUNDERSTORMS EXPECTED TO TAPER OFF BY THE EARLY EVENING HOURS... WITH ONLY ISOLATED ACTIVITY EXPECTED ACROSS THE BURN AREA OVER NIGHT. MODERATE SOUTHEAST WINDS ARE FORECAST .TODAY... SKY/WEATHER.........PARTLY SUNNY THEN BECOMING CONSIDERABLE CLOUDINESS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS LATE IN THE MORNING. NUMEROUS SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....MAX 90. MIN HUMIDITY........MIN 60 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING SOUTHEAST 6 TO 9 MPH LATE IN THE MORNING. LAL.................1 UNTIL 1100...THEN 3 UNTIL 1400...THEN 4. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 6 TO 9 MPH LATE IN THE MORNING. MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 2900-4500 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTHEAST 3 TO 9 MPH INCREASING TO 12 TO 14 MPH EARLY IN THE AFTERNOON. DISPERSION INDEX....7 INCREASING TO 36 LATE IN THE MORNING. LVORI...............5. CHANCE OF PCPN......50 PERCENT. TIME (EDT) 10 AM NOON 2 PM 4 PM 6 PM 8 PM SKY (%).........26 51 70 70 70 70 WEATHER COV.....SCTTRD NUMRUS NUMRUS NUMRUS NUMRUS ISOLTD WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TSTM COV........ISOLTD NUMRUS NUMRUS NUMRUS NUMRUS ISOLTD TEMP............87 90 88 87 85 82 RH..............66 60 64 66 70 76 20 FT WIND......E 2 SE 5 SE 6 SE 6 E 6 E 5 20 FT WIND GUST.5 10 15 15 10 10 EYE LEVEL WIND..E 2 SE 5 SE 6 SE 6 E 6 E 5 EYE LEVEL WIND..5 10 15 15 10 10 MIX HGT (FT)....1900 2900 4500 4500 4500 2900 MIXNG WIND......E 5 SE 9 SE 14 SE 14 E 12 E 9 DISPERSION IDX..11 31 40 40 34 21 LVORI...........5 5 5 5 6 6 CHC OF PCPN (%).60 60 60 60 60 20 LAL.............1 3 4 4 4 2 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY. NUMEROUS SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING...THEN ISOLATED SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. MIN TEMPERATURE.....MIN 78. MAX HUMIDITY........MAX 91 PERCENT. EYE LEVEL WINDS.....EAST WINDS 5 TO 8 MPH BECOMING LIGHT. LAL.................4 UNTIL 2000...THEN 2 UNTIL 2300...THEN 1. WIND (20 FT)........EAST WINDS 5 TO 8 MPH BECOMING LIGHT. MIXING HEIGHT.......2900-4500 FT AGL DECREASING TO 300-1900 FT AGL LATE IN THE EVENING. TRANSPORT WINDS.....EAST 6 TO 12 MPH. DISPERSION INDEX....34 DECREASING TO 6. LVORI...............6. CHANCE OF PCPN......30 PERCENT. .SUNDAY... SKY/WEATHER.........PARTLY SUNNY. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....MAX 91. MIN HUMIDITY........MIN 61 PERCENT. EYE LEVEL WINDS.....LIGHT WINDS BECOMING EAST 7 TO 9 MPH LATE IN THE MORNING. LAL.................1 UNTIL 1400...THEN 3. WIND (20 FT)........LIGHT WINDS BECOMING EAST 7 TO 9 MPH LATE IN THE MORNING. MIXING HEIGHT.......300-1900 FT AGL INCREASING TO 2900-4500 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....EAST 6 TO 15 MPH. DISPERSION INDEX....3 INCREASING TO 54. LVORI...............4. CHANCE OF PCPN......30 PERCENT. $$ FORECASTER...DIEHL REQUESTED BY...JACK WEER TYPE OF REQUEST...PRESCRIBED .TAG 20110820.HEADQ.02/MFL