FNUS72 KJAX 230937 FWSJAX SPOT FORECAST FOR IMPASSABLE BAY...USFS NATIONAL WEATHER SERVICE JACKSONVILLE FL 537 AM EDT THU JUN 23 2011 FORECAST IS BASED ON REQUEST TIME OF 0530 EDT ON JUNE 23. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... RELATIVE HUMIDITIES WILL INCREASE TODAY AS HIGHER MOISTURE RETURNS TO THE REGION. ALTHOUGH WINDS MAY BECOME GUSTY NEAR THUNDERSTORMS AND BEHIND THE AFTERNOON SEABREEZE...THE PREVAILING WINDS WILL AVERAGE LESS THAN 15 MPH. SCATTERED THUNDERSTORMS WILL MOVE WEST TO EAST ACROSS THE AREA LATE THIS MORNING AND INTO THE EARLY AFTERNOON HOURS. RAINFALL WILL GENERALLY AVERAGE A QUARTER INCH OR LESS AS THE STRONGER THUNDERSTORMS ARE EXPECTED TO DEVELOP EAST OF THE AREA LATE IN THE AFTERNOON. LOCALLY HIGHER AMOUNTS THOUGH WILL BE POSSIBLE. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING MOSTLY CLOUDY (65-75 PERCENT). PATCHY SMOKE EARLY IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 96. MIN HUMIDITY........47 PERCENT. WIND (20 FT)........WEST WINDS 5 TO 10 MPH BECOMING WEST 10 TO 15. LAL.................1 UNTIL 0800...THEN 2 UNTIL 1400...THEN 3. MIXING HEIGHT.......1200-2100 FT AGL INCREASING TO 6800-7000 FT AGL. MIXING WINDS........SOUTHWEST 10 TO 20 MPH. DISPERSION INDEX....60. CHANCE OF PCPN......30 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........40 50 50 50 71 71 WEATHER COV.....PATCHY CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....SMOKE TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............73 76 86 93 96 94 RH..............100 96 69 55 47 48 20 FT WIND......SW 5 W 6 W 7 W 9 W 15 W 10 20 FT WIND GUST.10 10 15 15 20 15 MIX HGT (FT)....1200 2100 2100 4600 7000 7000 TRANSPORT WIND..SW 7 W 9 W 9 SW 12 SW 13 SW 13 DISPERSION INDX.3 6 6 63 61 61 CHC OF PCPN (%).0 20 30 50 50 30 LAL.............1 2 2 2 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MIN TEMPERATURE.....AROUND 71. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH IN THE EVENING BECOMING LIGHT...THEN BECOMING WEST 5 TO 6 MPH AFTER MIDNIGHT. LAL.................3 UNTIL 0200...THEN 1. MIXING HEIGHT.......6800 FT AGL DECREASING TO 200-1600 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHWEST 5 TO 12 MPH DECREASING TO 2 TO 3 MPH AFTER MIDNIGHT. DISPERSION INDEX....1. CHANCE OF PCPN......40 PERCENT. LVORI...............8. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........71 73 73 73 72 72 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............90 84 79 77 75 73 RH..............55 70 82 89 93 98 20 FT WIND......W 7 W 7 SW 5 SW 5 SW 6 W 5 20 FT WIND GUST.15 10 10 MIX HGT (FT)....6800 1600 1600 900 200 200 TRANSPORT WIND..SW 12 SW 8 SW 8 SW 5 SW 2 SW 2 LVORI...........8 8 8 8 8 8 CHC OF PCPN (%).50 40 40 40 30 30 LAL.............3 3 3 3 1 1 .FRIDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 92. MIN HUMIDITY........55 PERCENT. WIND (20 FT)........NORTH WINDS 5 TO 6 MPH IN THE MORNING BECOMING LIGHT...THEN BECOMING NORTHWEST AROUND 5 MPH IN THE AFTERNOON. LAL.................1 UNTIL 0800...THEN 3. MIXING HEIGHT.......900-1500 FT AGL INCREASING TO 3000-4400 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTHWEST 3 TO 10 MPH INCREASING TO 12 TO 13 MPH EARLY IN THE AFTERNOON. DISPERSION INDEX....37. CHANCE OF PCPN......40 PERCENT. $$ FORECASTER...SHULER REQUESTED BY...CHRIS CHURCH TYPE OF REQUEST...WILDFIRE .TAG 20110623.IMPAS.02/JAX