FNUS72 KMLB 132048 FWSMLB SPOT FORECAST FOR HEADQUARTERS 1 2...US FISH AND WILDLIFE SERVICE NATIONAL WEATHER SERVICE MELBOURNE FL 448 PM EDT TUE MAR 13 2012 FORECAST IS BASED ON IGNITION TIME OF 1640 EDT ON MARCH 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A HIGH PRESSURE RIDGE OVER NORTH FLORIDA WILL GENERATE A LIGHT EASTERLY SURFACE AND TRANSPORT FLOW THROUGH MID EVENING. WINDS WILL DIMINISH AND BECOME CALM AROUND MIDNIGHT AS SKIES BECOME MOSTLY CLEAR. THE LIGHT WINDS WILL ALLOW RELATIVE HUMIDITY VALUES TO INCREASE TO NEAR 100 PERCENT IN THE PREDAWN HOURS. THESE FACTORS WILL RESULT IN A VERY HIGH LVORI INDEX NEAR THE BURN SITE WITH AREAS OF FOG EXPECTED. CONDITIONS WILL IMPROVE SHORTLY AFTER SUNRISE THOUGH AREAS OF FOG MAY LINGER THROUGH MID MORNING. .TONIGHT... SKY/WEATHER........PARTLY CLOUDY. AREAS OF FOG AFTER MIDNIGHT. MIN TEMPERATURE....AROUND 57. MAX HUMIDITY.......100 PERCENT. WIND (20 FT).......EAST WINDS 5 TO 7 MPH EARLY IN THE EVENING BECOMING LIGHT. CHANCE OF PCPN.....0 PERCENT. LAL................1. MIXING HEIGHT......4500 FT AGL DECREASING TO 200-2000 FT AGL EARLY IN THE EVENING. TRANSPORT WINDS....EAST 8 TO 12 MPH DECREASING TO AROUND 2 MPH AFTER MIDNIGHT...THEN SHIFTING TO THE SOUTH AROUND 1 MPH LATE IN THE NIGHT. DISPERSION INDEX...1. LVORI..............10. TIME (EDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM 6AM SKY (%)............PC PC PC PC PC PC MCR MCR MCR MCR MCR MCR MCR WEATHER COV........ ARS ARS ARS ARS ARS WEATHER TYPE....... FOG FOG FOG FOG FOG TEMP...............75 73 71 69 67 65 64 63 61 60 59 58 58 RH.................50 56 63 70 75 81 84 84 90 93 96 100 100 20 FT WIND DIR.....E E E E E E E E NE E SE S S 20 FT WIND SPD.....7 6 5 3 2 2 1 1 1 1 0 0 0 20 FT WIND GUST.... 5 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY. AREAS OF FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 6 TO 7 MPH IN THE AFTERNOON. CHANCE OF PCPN......10 PERCENT. LAL.................1. MIXING HEIGHT.......200-800 FT AGL INCREASING TO 3000-4500 FT AGL LATE IN THE MORNING. TRANSPORT WINDS.....SOUTH AROUND 1 MPH SHIFTING TO THE NORTH AROUND 2 MPH EARLY IN THE MORNING...THEN SHIFTING TO THE EAST 6 TO 10 MPH LATE IN THE MORNING. DISPERSION INDEX....43. LVORI...............10 EARLY IN THE MORNING...BECOMING 1 BY MID MORNING. $$ FORECASTER...BRAGAW REQUESTED BY...CYNTHIA BRANHAM TYPE OF REQUEST...PRESCRIBED .TAG 20120313.HEADQ.02/MLB