FNUS72 KMFL 091333 FWSMFL SPOT FORECAST FOR PINE GLADES 6 NATIONAL WEATHER SERVICE MIAMI FL 833 AM EST TUE FEB 9 2010 IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. SPOT FORECAST FOR PINE GLADES 6...PALM BEACH COUNTY ENV. RESOURCES MGMT NATIONAL WEATHER SERVICE MIAMI FL 831 AM EST TUE FEB 9 2010 FORECAST IS BASED ON IGNITION TIME OF 1030 EST ON FEBRUARY 09. IF CONDITIONS BECOME UNREPRESENTATIVE, CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN AREA OF SURFACE LOW PRESSURE WILL MOVE ACROSS NORTH FLORIDA TODAY...WITH A TRAILING COLD FRONT EXPECTED TO PUSH SOUTHEASTWARD ACROSS THE REGION LATE TONIGHT. GUSTY SOUTH- SOUTHEAST WINDS CAN BE EXPECTED THROUGH MID-AFTERNOON...BEFORE WINDS WEAKEN AND SHIFT TO THE SOUTHWEST IN ADVANCE OF THE COLD FRONT. STRONG TRANSPORT LAYER WINDS WILL ALLOW FOR VERY GOOD SMOKE DISPERSION TODAY...WITH THE SMOKE PLUME INITIALLY TRAVELING NORTH- NORTHWESTWARD AND THEN NORTHWARD BY MID-AFTERNOON. RAIN CHANCES WILL ALSO INCREASE BY MID-AFTERNOON...AS THE COLD FRONT APPROACHES...BUT ANY SHOWER ACTIVITY WILL BE FAST-MOVING WITH AVERAGE RAINFALL AMOUNTS EXPECTED TO BE ONE QUARTER OF AN INCH OR LESS. A COLDER AND DRIER AIR MASS WILL SPREAD ACROSS SOUTH FLORIDA LATE TONIGHT...WITH AFTERNOON RELATIVE HUMIDITY ON WEDNESDAY EXPECTED TO BE IN THE 35-40 PERCENT RANGE. .TODAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). RAIN SHOWERS LIKELY IN THE AFTERNOON. TEMPERATURE.........70 AT IGNITION...MAX 78. MIN HUMIDITY........78 PERCENT AT IGNITION...MIN 58 PERCENT. DEWPOINT............62. WIND (20 FT)........WINDS SOUTH AT 10 MPH AT IGNITION...OTHERWISE SOUTH WINDS 7 TO 13 MPH. WIND (EYE LEVEL)....SOUTH WINDS 7 TO 13 MPH. POP (12 HR).................60 PERCENT. POP (12 HR).................60 PERCENT. LAL.................1. MIXING HEIGHT.......2500 FT AGL AT IGNITION...OTHERWISE 1500-2500 FT AGL INCREASING TO 3000-3500 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 9 TO 18 MPH INCREASING TO SOUTHWEST 24 TO 25 MPH IN THE AFTERNOON. DISPERSION INDEX....18 INCREASING TO 62. LVORI...............3. TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM SKY (%).........60 63 66 69 70 70 70 70 70 70 70 70 WEATHER COV..... LKY LKY LKY LKY LKY LKY LKY SCH SCH SCH WEATHER TYPE.... RW RW RW RW RW RW RW RW RW RW 12 HR CHC PCPN. 60 60 60 60 60 60 60 60 60 20 20 20 6 HR CHC PCPN. 60 60 60 60 60 60 60 60 60 20 20 20 TEMP............70 73 76 78 78 78 76 73 69 67 64 62 RH..............78 71 65 61 59 61 67 73 84 88 88 90 20 FT WIND DIR..S S S S S S S S SW SW SW W 20 FT WIND SPD..8 8 10 10 10 10 8 8 8 6 6 7 20 FT WIND GUST.15 15 20 20 20 20 15 15 15 15 15 15 EYE LVL WND DIR.S S S S S S S S SW SW SW W EYE LVL WND SPD.8 8 10 10 10 10 8 8 8 6 6 7 EYE LVL WND GST.15 15 20 20 20 20 15 15 15 15 15 15 MIX HGT (KFT)...2.5 2.5 3.5 3.5 3.5 3.5 3.0 3.0 3.0 1.9 1.9 1.9 MIXNG WIND DIR..S S S S S SW SW SW SW SW SW W MIXNG WIND SPD..18 18 25 25 25 25 24 24 24 21 21 21 DISP IDX (LDSI).53 53 66 66 66 66 58 58 58 23 23 23 LVORI...........3 3 3 1 1 1 1 1 4 4 4 4 LAL.............1 1 1 1 1 1 1 1 1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT) THEN BECOMING PARTLY CLOUDY (30-40 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING. MIN TEMPERATURE.....52. MAX HUMIDITY........99 PERCENT. DEWPOINT............62. WIND (20 FT)........WEST WINDS 9 TO 14 MPH. WIND (EYE LEVEL)....WEST WINDS 9 TO 14 MPH. POP (12 HR).................20 PERCENT. POP (12 HR).................20 PERCENT. LAL.................1. MIXING HEIGHT.......700-1900 FT AGL. MIXING WINDS........NORTHWEST 20 TO 21 MPH. DISPERSION INDEX....21. LVORI...............5. $$ FORECASTER...DIXON REQUESTED BY...KRAIG KRUM TYPE OF REQUEST...PRESCRIBED $$ REQUESTED BY...KRAIG KRUM REASON FOR REQUEST...ESSENTIAL TO PUBLIC SAFETY, E.G. DUE TO THE PROXIMITY OF POPULATION CENTERS OR CRITICAL INFRASTRUCTURE.