FNUS72 KJAX 260852 FWSJAX SPOT FORECAST FOR IMPASSABLE BAY...USDA-FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 452 AM EDT SUN JUN 26 2011 FORECAST IS BASED ON REQUEST TIME OF 0440 EDT ON JUNE 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SHIFT TO NORTHWESTERLY FLOW ALOFT IN THE ATMOSPHERE IS BRINGING DRIER AIR INTO EXTREME NORTH FLORIDA. RAIN CHANCES WILL BE BELOW NORMAL TODAY. LOW LEVELS OF THE ATMOSPHERE WILL REMAIN MOIST AND MINIMUM RELATIVE HUMIDITY WILL BE ABOVE 40 PERCENT. A WEAK FLOW PATTERN WILL KEEP WINDS LIGHT AND THUS THERE WILL BE SOME VARIABILITY THROUGH MID AFTERNOON. THE SEA BREEZE IS EXPECTED TO REACH THE FIRE ZONE AROUND 4 PM TO 5 PM. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 98. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST AROUND 5 MPH LATE IN THE MORNING...THEN BECOMING LIGHT IN THE AFTERNOON. LAL.................1 UNTIL 0800...THEN 2 UNTIL 1400...THEN 3. MIXING HEIGHT.......1100-1900 FT AGL INCREASING TO 7000-7700 FT AGL. MIXING WINDS........NORTH 3 TO 8 MPH SHIFTING TO THE WEST AROUND 9 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....31. CHANCE OF PCPN......20 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........36 36 36 36 54 54 WEATHER COV..... S CHC S CHC S CHC CHANCE CHANCE WEATHER TYPE....NONE TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............71 75 87 95 98 96 RH..............99 92 64 49 42 44 20 FT WIND......SW 2 SW 3 W 5 W 3 SW 2 S 3 20 FT WIND GUST.10 10 10 10 10 10 MIX HGT (FT)....1100 1900 1900 5700 7700 7700 TRANSPORT WIND..SW 7 W 8 W 8 NW 5 N 3 N 3 CHC OF PCPN (%).10 20 20 20 30 30 LAL.............1 2 2 2 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS UNTIL EARLY MORNING. MIN TEMPERATURE.....AROUND 71. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH UNTIL EARLY MORNING BECOMING LIGHT. LAL.................3 UNTIL 0200...THEN 1. MIXING HEIGHT.......7000 FT AGL DECREASING TO 300-1100 FT AGL. MIXING WINDS........WEST AROUND 9 MPH SHIFTING TO THE SOUTHWEST EARLY IN THE EVENING. DISPERSION INDEX....3. CHANCE OF PCPN......20 PERCENT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........54 48 48 48 27 27 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM NONE NONE TEMP............92 85 80 77 75 73 RH..............51 63 76 84 90 95 20 FT WIND......SE 5 S 7 S 8 SW 7 SW 5 SW 3 20 FT WIND GUST.10 15 10 10 5 MIX HGT (FT)....7000 2900 2900 1000 300 300 TRANSPORT WIND..W 9 S 14 S 14 S 10 SW 6 SW 6 CHC OF PCPN (%).30 30 30 30 10 10 LAL.............3 3 3 3 1 1 .MONDAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 96. MIN HUMIDITY........46 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 10 MPH IN THE AFTERNOON. LAL.................1 UNTIL 1400...THEN 3. MIXING HEIGHT.......1100-1800 FT AGL INCREASING TO 5400-7000 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTHWEST 5 TO 7 MPH SHIFTING TO THE SOUTH 9 TO 14 MPH EARLY IN THE AFTERNOON. DISPERSION INDEX....44. $$ FORECASTER...TRABERT REQUESTED BY...PETER MYERS TYPE OF REQUEST...WILDFIRE .TAG 20110626.IMPAS.01/JAX