FNUS72 KJAX 201209 FWSJAX SPOT FORECAST FOR NORMANDY...FLORIDA DIVISION OF FORESTRY NATIONAL WEATHER SERVICE JACKSONVILLE FL 709 AM EST MON DEC 20 2010 FORECAST IS BASED ON REQUEST TIME OF 0700 EST ON DECEMBER 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...DRY AIR WILL CONTINUE TO FILTER INTO THE AREA TODAY WITH RH VALUES GENERALLY BOTTOMING OUT BELOW 35 PERCENT THIS AFTERNOON NEAR HIGHWAY 301. THE AIR MASS WILL MODIFY TUESDAY AND WEDNESDAY WITH HIGH PRESSURE SHIFTING SOUTH OF THE AREA. RH VALUES WILL STAY ABOVE CRITICAL LEVELS BOTH DAYS. WIND SPEEDS WILL CONTINUE BELOW 15 MPH. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). PATCHY FOG AND FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 56. MIN HUMIDITY........37 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHEAST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1. MIXING HEIGHT.......500-1800 FT AGL INCREASING TO 2300-2900 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHEAST 8 TO 13 MPH. DISPERSION INDEX....32. TIME (EST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........22 22 22 17 17 17 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............28 40 50 54 55 52 RH..............96 62 43 37 38 45 20 FT WIND......N 2 N 5 N 6 N 7 NE 7 NE 7 20 FT WIND GUST.10 10 10 10 10 10 MIX HGT (FT)....700 700 1800 2900 2900 2300 TRANSPORT WIND..N 13 N 13 N 10 N 9 N 9 NE 8 LAL.............1 1 1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). AREAS OF FROST AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........98 PERCENT. WIND (20 FT)........NORTHEAST WINDS 5 TO 6 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................1. MIXING HEIGHT.......900-2300 FT AGL DECREASING TO 200-500 FT AGL AFTER MIDNIGHT. MIXING WINDS........SOUTH 2 TO 8 MPH. DISPERSION INDEX....1. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........17 19 19 19 28 28 WEATHER COV..... AREAS AREAS WEATHER TYPE....NONE NONE NONE NONE FROST FROST TEMP............47 40 37 36 34 33 RH..............56 75 82 82 87 92 20 FT WIND......NE 6 E 5 E 2 E 1 SE 0 S 0 20 FT WIND GUST.10 10 5 5 MIX HGT (FT)....2300 1600 900 900 200 500 TRANSPORT WIND..NE 8 E 8 E 6 E 6 SE 3 S 2 LAL.............1 1 1 1 1 1 .TUESDAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). AREAS OF FROST EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH LATE IN THE MORNING. LAL.................1. MIXING HEIGHT.......500-1800 FT AGL INCREASING TO 2400-2800 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 2 TO 8 MPH. DISPERSION INDEX....17. $$ FORECASTER...TRABERT REQUESTED BY...BARRY L COULLIETTE TYPE OF REQUEST...WILDFIRE .TAG 20101220.NORMA.01/JAX