FNUS72 KMFL 221213 FWSMFL SPOT FORECAST FOR LOST REMAINDER RX NATIONAL WEATHER SERVICE MIAMI FL 813 AM EDT THU APR 22 2010 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. SPOT FORECAST FOR LOST REMAINDER RX...BIG CYPRESS NATIONAL PRESERVE NATIONAL WEATHER SERVICE MIAMI FL 812 AM EDT THU APR 22 2010 FORECAST IS BASED ON IGNITION TIME OF 0940 EDT ON APRIL 22. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A RIDGE OF SURFACE HIGH PRESSURE WILL BE THE DOMINANT WEATHER FEATURE ACROSS SOUTH FLORIDA TODAY, WITH VERY LITTLE CHANCE OF RAIN, AND LIGHT AND VARIABLE WINDS EXPECTED. A WEAK INLAND PUSH OF THE GULF COAST SEA BREEZE MAY LEAD TO A WIND SHIFT TO THE WEST OR SOUTHWEST DURING THE MIDDLE OF THE AFTERNOON. AS TEMPERATURES WARM INTO THE MID 80S THIS AFTERNOON, RELATIVE HUMIDITY VALUES WILL FALL INTO THE 40-45 PERCENT RANGE, BUT SHOULD REMAIN SAFELY ABOVE CRITICAL LEVELS FOR RED FLAG CONDITIONS. SMOKE DISPERSION INDICES WILL BE IN THE POOR RANGE THIS AFTERNOON, GIVEN WEAK TRANSPORT LAYER FLOW IN PLACE. PATCHY FOG MAY BE POSSIBLE IN THE VICINITY OF THE PRESCRIBED BURN SITE ONCE AGAIN ON FRIDAY MORNING. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). TEMPERATURE.........71 AT IGNITION...MAX 85. MIN HUMIDITY........79 PERCENT AT IGNITION...MIN 43 PERCENT. DEWPOINT............60. WIND (20 FT)........WINDS NORTH AT 5 MPH AT IGNITION...OTHERWISE NORTH WINDS AROUND 5 MPH EARLY IN THE MORNING BECOMING LIGHT. WIND (EYE LEVEL)....NORTH WINDS AROUND 5 MPH EARLY IN THE MORNING BECOMING LIGHT. POP (12 HR).........10 PERCENT. LAL.................1. MIXING HEIGHT.......1700 FT AGL AT IGNITION...OTHERWISE 1700-3100 FT AGL INCREASING TO 4500 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHEAST 3 TO 6 MPH. DISPERSION INDEX....16. LVORI...............3. TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM 7 PM SKY (%).........20 15 15 15 15 15 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE 12 HR CHC PCPN. 10 10 10 10 10 10 TEMP............71 81 85 85 84 77 RH..............79 54 47 44 46 62 20 FT WIND......N 4 N 2 NW 2 NW 2 W 2 SW 2 20 FT WIND GUST.10 5 5 5 5 5 EYE LEVEL WIND..N 4 N 2 NW 2 NW 2 W 2 SW 2 EYE LVL WND GST.10 5 5 5 5 5 MIX HGT (FT)....1700 3100 4500 4500 4500 4500 MIXNG WIND......N 6 N 5 N 5 N 3 NE 3 SE 5 DISP IDX (LDSI).13 18 19 19 19 19 LVORI...........4 2 2 2 2 3 LAL.............1 1 1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....59. MAX HUMIDITY........100 PERCENT. DEWPOINT............63. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH AFTER MIDNIGHT. WIND (EYE LEVEL)....LIGHT WINDS BECOMING EAST 5 TO 6 MPH AFTER MIDNIGHT. POP (12 HR).........10 PERCENT. LAL.................1. MIXING HEIGHT.......2500 FT AGL DECREASING TO 500-700 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTHEAST AROUND 5 MPH SHIFTING TO THE EAST 7 TO 8 MPH AFTER MIDNIGHT. DISPERSION INDEX....3. LVORI...............6. .FRIDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....87. MIN HUMIDITY........38 PERCENT. DEWPOINT............63. WIND (20 FT)........SOUTHEAST WINDS 6 TO 8 MPH. WIND (EYE LEVEL)....SOUTHEAST WINDS 6 TO 8 MPH. POP (12 HR).........10 PERCENT. LAL.................1. MIXING HEIGHT.......2100-3600 FT AGL INCREASING TO 5000 FT AGL IN THE AFTERNOON. MIXING WINDS........EAST 8 TO 13 MPH. DISPERSION INDEX....21 INCREASING TO 48 IN THE LATE MORNING AND AFTERNOON. LVORI...............3. .FORECAST DAYS 3 THROUGH 5... .SATURDAY... PARTLY CLOUDY. LOWS IN THE MID 60S. HIGHS IN THE UPPER 80S. SOUTHEAST WINDS AROUND 8 MPH. .SUNDAY... PARTLY CLOUDY. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S. SOUTH WINDS AROUND 8 MPH. .MONDAY... MOSTLY CLOUDY WITH CHANCE OF SHOWERS AND THUNDERSTORMS. LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 80S. SOUTHWEST WINDS AROUND 9 MPH. $$ FORECASTER...DIXON REQUESTED BY...MINDY WRIGHT TYPE OF REQUEST...PRESCRIBED $$ REQUESTED BY...MINDY WRIGHT REASON FOR REQUEST...UNDER THE INTERAGENCY AGREEMENT FOR METEOROLOGICAL SERVICES (USFS, BLM, NPS, U