FNUS72 KJAX 111027 FWSJAX SPOT FORECAST FOR BELMORE11...DOF NATIONAL WEATHER SERVICE JACKSONVILLE FL 527 AM EST WED FEB 11 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 EST ON FEBRUARY 11. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...THE COMBINATION OF HIGH PRESSURE OVER THE WESTERN ATLANTIC AND AN APPROACHING COLD FRONT WILL BRING INCREASING SOUTHERLY WINDS TODAY. SUSTAINED WIND SPEEDS BETWEEN 15 AND 20 MPH CAN BE EXPECTED BY LATE MORNING WITH GUSTS UPWARDS OF 30 MPH BY EARLY AFTERNOON. RELATIVE HUMIDITIES WILL LIKELY BOTTOM OUT IN THE MID 40S. THE COMBINATION OF VERY WARM TEMPERATURES AND INCREASING WINDS WILL LIKELY CREATE DISPERSION INDICES IN THE UPPER 70S THIS AFTERNOON. THE COLD FRONT IS FORECAST TO CROSS THE AREA TONIGHT ACCOMPANIED BY SCATTERED SHOWERS. IN ITS WAKE...DRIER AND SLIGHTLY COOLER TEMPERATURES ARE FORECAST FOR THURSDAY...ALTHOUGH TEMPERATURES WILL CONTINUE ABOVE SEASONAL LEVELS. WEAKER WINDS ARE ALSO FORECAST FOR THURSDAY WITH SUSTAINED WESTERLY WINDS AT 10 MPH OR LESS. RELATIVE HUMIDITIES WILL LIKELY BOTTOM OUT AROUND 45 PERCENT. .TODAY... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........46 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 13 MPH WITH GUSTS TO AROUND 25 MPH SHIFTING TO THE SOUTHWEST 13 TO 16 MPH WITH GUSTS TO AROUND 30 MPH IN THE AFTERNOON. LAL.................1. MIXING HEIGHT.......500-600 FT AGL INCREASING TO 4600 FT AGL. MIXING WINDS........SOUTH 14 TO 18 MPH SHIFTING TO THE SOUTHWEST 23 TO 26 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....76. CHANCE OF PCPN......0 PERCENT. TIME (EST) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........30 33 36 36 42 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............61 71 77 78 77 RH..............88 62 50 48 56 20 FT WIND......S 8 S 13 S 16 S 17 SW 14 20 FT WIND GUST.20 25 30 25 20 MIX HGT (FT)....600 2500 4400 4400 4600 TRANSPORT WIND..S 18 S 24 S 26 S 26 SW 23 CHC OF PCPN (%).0 0 0 0 0 LAL.............1 1 1 1 1 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........93 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 10 MPH. LAL.................1. MIXING HEIGHT.......4600 FT AGL DECREASING TO 500-1200 FT AGL. MIXING WINDS........SOUTHWEST 15 TO 23 MPH DECREASING TO 12 TO 13 MPH AFTER MIDNIGHT. DISPERSION INDEX....10. CHANCE OF PCPN......20 PERCENT. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........42 47 54 54 60 59 WEATHER COV..... CHANCE CHANCE WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR TEMP............73 68 65 63 61 60 RH..............63 78 84 87 89 90 20 FT WIND......SW 12 SW 9 SW 10 SW 8 SW 7 SW 7 20 FT WIND GUST.15 15 15 10 10 10 MIX HGT (FT)....4600 1200 800 800 500 500 TRANSPORT WIND..SW 23 SW 18 SW 15 SW 15 SW 13 W 12 CHC OF PCPN (%).0 10 10 10 30 30 LAL.............1 1 1 1 1 1 .THURSDAY... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT). MAX TEMPERATURE.....AROUND 75. MIN HUMIDITY........45 PERCENT. WIND (20 FT)........WEST WINDS AROUND 5 MPH EARLY IN THE MORNING BECOMING LIGHT...THEN BECOMING NORTHWEST 5 TO 8 MPH EARLY IN THE MORNING. LAL.................1. MIXING HEIGHT.......500-1600 FT AGL INCREASING TO 3000-3600 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTHWEST 10 TO 13 MPH. DISPERSION INDEX....47. CHANCE OF PCPN......10 PERCENT. $$ FORECASTER...ZAPPE REQUESTED BY...KEVIN MACEWEN TYPE OF REQUEST...PRESCRIBED .TAG 20090211.BELMO.01/JAX