FNUS72 KJAX 060959 FWSJAX SPOT FORECAST FOR POWERLINE...DOF NATIONAL WEATHER SERVICE JACKSONVILLE FL 459 AM EST TUE JAN 6 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 EST ON JANUARY 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...VERY WARM AND BREEZY CONDITIONS ARE FORECAST TODAY WITH AFTERNOON TEMPERATURES CLIMBING INTO THE LOWER 80S. SOUTHWEST WINDS ARE FORECAST TO INCREASE TO AROUND 15 MPH WITH GUSTS TO AROUND 25 MPH POSSIBLE. RH VALUES THIS AFTERNOON ARE FORECAST TO BOTTOM OUT INTO THE LOWER 50S. A COLD FRONT WILL NEAR TONIGHT WITH INCREASING DYNAMICS TO SUPPORT ISOLATED SHOWERS. WEDNESDAY....COLD FRONT WILL PUSH THROUGH THE AREA ACCOMPANIED BY NUMEROUS SHOWERS. ISOLATED THUNDERSTORMS ARE ALSO POSSIBLE. BREEZY WESTERLY WINDS WILL AGAIN ESTABLISH DURING THE DAY WITH RH VALUES HOLDING ABOVE CRITICAL VALUES. MUCH DRIER AND COOLER CONDITIONS ARE FORECAST THURSDAY AND FRIDAY WITH MINIMUM RH VALUES LIKELY BOTTOMING OUT AROUND 35 PERCENT EACH DAY. ANY CRITICALLY LOW RH VALUES WILL LIKELY BE BRIEF AND WIND SPEEDS ARE FORECAST TO SUSTAIN BELOW 15 MPH...THUS FIRE WEATHER WATCHES/WARNINGS ARE NOT ANTICIPATED AT THIS TIME. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). PATCHY FOG IN THE MORNING. MAX TEMPERATURE.....AROUND 82. MIN HUMIDITY........51 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 10 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST 10 TO 15 MPH IN THE AFTERNOON. LAL.................1. MIXING HEIGHT.......400-2300 FT AGL INCREASING TO 3200-4200 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTH 8 TO 13 MPH SHIFTING TO THE SOUTHWEST 18 TO 22 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....62. CHANCE OF PCPN......0 PERCENT. TIME (EST) 10 AM NOON 2 PM 4 PM SKY (%).........63 63 58 56 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE TEMP............69 77 80 80 RH..............79 61 54 54 20 FT WIND......S 8 SW 14 SW 14 SW 12 20 FT WIND GUST.15 25 25 20 MIX HGT (FT)....2300 2300 4200 3200 TRANSPORT WIND..SW 18 SW 18 SW 22 SW 20 CHC OF PCPN (%).0 0 0 0 LAL.............1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 60. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 7 TO 12 MPH. LAL.................1. MIXING HEIGHT.......1300-3200 FT AGL DECREASING TO 500-900 FT AGL IN THE LATE EVENING AND OVERNIGHT. MIXING WINDS........SOUTH 14 TO 20 MPH. DISPERSION INDEX....13. CHANCE OF PCPN......10 PERCENT. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........56 56 61 61 58 75 WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR TEMP............74 69 67 65 64 63 RH..............67 79 87 93 97 100 20 FT WIND......SW 9 SW 7 SW 8 S 9 S 9 S 10 20 FT WIND GUST.15 15 15 15 15 15 MIX HGT (FT)....3200 1300 900 900 500 700 TRANSPORT WIND..SW 20 SW 15 SW 14 SW 14 S 15 S 16 CHC OF PCPN (%).0 10 10 10 20 20 LAL.............1 1 1 1 1 1 .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). SHOWERS LIKELY IN THE MORNING. CHANCE OF SHOWERS IN THE AFTERNOON. SLIGHT CHANCE OF THUNDERSTORMS THROUGHOUT THE DAY. MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........55 PERCENT. WIND (20 FT)........WEST WINDS 12 TO 17 MPH. GUSTS UP TO 30 MPH IN THE AFTERNOON. LAL.................1 UNTIL 0700...THEN 2. MIXING HEIGHT.......700-2300 FT AGL INCREASING TO 3100-3500 FT AGL IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 16 TO 24 MPH SHIFTING TO THE WEST 24 TO 28 MPH IN THE AFTERNOON. DISPERSION INDEX....72. CHANCE OF PCPN......60 PERCENT. $$ FORECASTER...ZAPPE REQUESTED BY...PAT DEREN TYPE OF REQUEST...PRESCRIBED .TAG 20090106.POWER.01/JAX