FNUS72 KJAX 230923 FWSJAX SPOT FORECAST FOR ARABIA BAY...NWS WFO NATIONAL WEATHER SERVICE JACKSONVILLE FL 423 AM EST TUE NOV 23 2010 FORECAST IS BASED ON REQUEST TIME OF 0800 EST ON NOVEMBER 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...HIGH PRESSURE OVER THE AREA WILL GRADUALLY WEAKEN TODAY. A WEAK BACK-DOOR COLD FRONT WILL THEN ARRIVE TOMORROW MORNING. A FEW SHOWERS ARE POSSIBLE ALONG THE FRONT...MAINLY ACROSS SOUTHEAST GEORGIA. HIGH PRESSURE WILL RE-BUILD OVER THE ATLANTIC SEABOARD BEHIND THE FRONT. AREAS OF FOG...LOCALLY DENSE AT TIMES...WILL BE POSSIBLE THE NEXT FEW NIGHTS. RH VALUES WILL REMAIN ABOVE CRITICAL VALUES AND WINDS WILL REMAIN BELOW 15 MPH ACROSS MOST OF THE AREA. HOWEVER...SUSTAINED WINDS MAY APPROACH 15 MPH ALONG THE ATLANTIC COAST BEHIND THE BACKDOOR COLD FRONT. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). WIDESPREAD DENSE FOG AND AREAS OF SMOKE EARLY IN THE MORNING...THEN PATCHY SMOKE LATE IN THE MORNING. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........42 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1. MIXING HEIGHT.......600-1100 FT AGL INCREASING TO 3100 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5100 FT AGL EARLY IN THE AFTERNOON DECREASING TO 3100 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 6 TO 13 MPH. DISPERSION INDEX....75. CHANCE OF PCPN......0 PERCENT. TIME (EST) 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........58 58 58 51 51 WEATHER COV.....WIDSPD PATCHY PATCHY WEATHER TYPE....FOG SMOKE SMOKE NONE NONE TEMP............58 70 78 80 79 RH..............100 73 49 42 43 20 FT WIND......S 1 SW 5 SW 7 SW 8 SW 7 20 FT WIND GUST.5 10 15 15 15 MIX HGT (FT)....1100 3100 3100 5100 3100 TRANSPORT WIND..S 7 SW 10 SW 10 SW 13 SW 10 CHC OF PCPN (%).0 0 0 0 0 LAL.............1 1 1 1 1 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (45-55 PERCENT) THEN BECOMING PARTLY CLOUDY (25-35 PERCENT). PATCHY FOG AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 55. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................1. MIXING HEIGHT.......3100 FT AGL DECREASING TO 200-1100 FT AGL. MIXING WINDS........WEST 3 TO 10 MPH. DISPERSION INDEX....2. CHANCE OF PCPN......0 PERCENT. LVORI...............10. TIME (EST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........51 21 21 21 41 41 WEATHER COV..... PATCHY PATCHY WEATHER TYPE....NONE NONE NONE NONE FOG FOG TEMP............70 64 61 59 57 56 RH..............65 83 94 100 100 100 20 FT WIND......SW 5 SW 2 SW 1 W 1 W 0 NW 0 20 FT WIND GUST.10 5 5 5 5 5 MIX HGT (FT)....3100 1100 700 700 200 600 TRANSPORT WIND..SW 10 SW 7 SW 5 SW 5 W 3 W 3 LVORI...........10 10 10 10 10 10 DISPERSION INDX.40 3 2 2 2 2 CHC OF PCPN (%).0 0 0 0 10 10 LAL.............1 1 1 1 1 1 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 79. MIN HUMIDITY........49 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 7 MPH IN THE AFTERNOON. LAL.................1. MIXING HEIGHT.......600-1000 FT AGL INCREASING TO 2800-4500 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........NORTHWEST 3 TO 5 MPH SHIFTING TO THE EAST 7 TO 9 MPH IN THE AFTERNOON. DISPERSION INDEX....20. CHANCE OF PCPN......10 PERCENT. $$ FORECASTER...SHULER REQUESTED BY...SHULER TYPE OF REQUEST...WILDFIRE .TAG 20101120.ARABI.01/JAX