FNUS72 KMLB 250941 FWSMLB SPOT FORECAST FOR BLUE CYPRESS CAT...SJRWMD NATIONAL WEATHER SERVICE MELBOURNE FL 441 AM EST FRI FEB 25 2011 FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON FEBRUARY 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SOUTH-SOUTHWEST WINDS WILL INCREASE AND BECOME GUSTY NEAR THE BURN SITE FROM LATE MORNING THROUGH THIS AFTERNOON AS A WEAK COOL FRONT MOVES INTO THE SOUTHEAST STATES. GUSTS TO NEAR 25 MPH ARE EXPECTED...LEADING TO HIGH DISPERSION. LOWEST RH VALUES WILL BE NEAR 40-45 PERCENT. THESE CONDITIONS WILL PRODUCE SOMEWHAT AGGRESSIVE FIRE BEHAVIOR TODAY. COLLAPSING LOW LEVEL FLOW WITH THE APPROACH OF THE FRONTAL BOUNDARY WILL LIKELY CAUSE A STEEP SURFACE BASED INVERSION TONIGHT WITH CONDITIONS BECOMING QUITE FAVORABLE FOR FOG FORMATION. ANY LINGERING SMOKE WILL LIKELY BE TRAPPED NEAR THE GROUND AND DECREASE VISIBILITIES IN LOCALLY DENSE SMOKE AND FOG LATE TONIGHT. .TODAY... SKY/WEATHER.........PARTLY CLOUDY. MAX TEMPERATURE.....AROUND 84. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........SOUTH WINDS AROUND 6 MPH EARLY IN THE MORNING BECOMING SSW AND INCREASING TO NEAR 15 MPH WITH PEAK GUSTS NEAR 25 MPH. CHANCE OF PCPN......0 PERCENT. LAL.................1. MIXING HEIGHT.......200-900 FT AGL INCREASING TO 5100 FT AGL. TRANSPORT WINDS.....SOUTHWEST 10 TO 18 MPH. DISPERSION INDEX....64. LVORI...............0. TIME (EST) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM SKY (%).........PC PC PC PC PC PC PC PC PC PC PC PC WEATHER COV..... WEATHER TYPE.... TEMP............73 76 78 80 82 83 83 79 75 71 69 67 RH..............68 62 56 52 49 47 47 54 62 73 76 81 20 FT WIND DIR..S SSW SSW SSW SSW SSW SSW SSW SSW SW SW SW 20 FT WIND SPD..12 13 14 14 14 14 12 12 12 8 5 3 20 FT WIND GUST.15 15 20 21 22 23 19 18 16 11 7 5 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY THEN BECOMING CLOUDY. PATCHY FOG LATE IN THE EVENING. AREAS OF DENSE FOG AFTER MIDNIGHT. SMOKE AND FOG MAY BECOME LOCALLY DENSE NEAR THE BURN SITE. MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 MPH EARLY IN THE EVENING BECOMING LIGHT TO CALM. CHANCE OF PCPN......0 PERCENT. LAL.................1. MIXING HEIGHT.......4200-5100 FT AGL DECREASING TO 200-1100 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....NORTHWEST 8 TO 17 MPH DECREASING TO AROUND 6 MPH EARLY IN THE MORNING. DISPERSION INDEX....3. LVORI...............10. .SATURDAY... SKY/WEATHER.........CLOUDY THEN BECOMING PARTLY CLOUDY. AREAS OF DENSE FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........46 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 6 MPH IN THE AFTERNOON. CHANCE OF PCPN......10 PERCENT. LAL.................1. MIXING HEIGHT.......200 FT AGL INCREASING TO 4900 FT AGL. TRANSPORT WINDS.....NORTH 3 TO 6 MPH SHIFTING TO THE EAST AROUND 5 MPH LATE IN THE MORNING...THEN SHIFTING TO THE SOUTH AROUND 6 MPH IN THE AFTERNOON. DISPERSION INDEX....33. LVORI...............0. $$ FORECASTER...CRISTALDI REQUESTED BY...DOUG VOLTOINA TYPE OF REQUEST...PRESCRIBED .TAG 20110225.BLUEC.01/MLB