FNUS72 KJAX 121710 FWSJAX SPOT FORECAST FOR ISLAND POND...USFS NATIONAL WEATHER SERVICE JACKSONVILLE FL 110 PM EDT WED AUG 12 2009 FORECAST IS BASED ON IGNITION TIME OF 1320 EDT ON AUGUST 12. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AN UPPER LEVEL TROUGH WILL APPROACH THE AREA TODAY WHILE A WEAK AREA OF LOW PRESSURE REMAINS JUST TO THE NORTH OF THE AREA. THESE FEATURES IN COMBINATION WITH SLIGHTLY INCREASED MOISTURE WILL LEAD TO INCREASING RAIN CHANCES THE NEXT SEVERAL DAYS. THIS WILL KEEP RH VALUES WELL ABOVE CRITICAL THRESHOLDS FOR THE SHORT TERM. WINDS WILL ALSO REMAIN BELOW 15 MPH EXCEPT IN THE VICINITY OF STRONG AFTERNOON THUNDERSTORM ACTIVITY. .TONIGHT... CHANCE OF PCPN......40 PERCENT. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM CHC OF PCPN (%).70 40 40 40 10 10 .THURSDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS LATE IN THE MORNING. MAX TEMPERATURE.....AROUND 90. MIN HUMIDITY........55 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1 UNTIL 1100...THEN 3. MIXING HEIGHT.......900-1600 FT AGL INCREASING TO 3200-4900 FT AGL LATE IN THE MORNING. MIXING WINDS........SOUTH 5 TO 10 MPH. DISPERSION INDEX....31. CHANCE OF PCPN......60 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........28 37 37 45 62 62 WEATHER COV.....S CHC S CHC S CHC CHANCE CHANCE CHANCE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............75 76 83 88 90 89 RH..............93 91 71 61 57 59 20 FT WIND......S 2 S 2 S 5 S 7 S 8 S 8 20 FT WIND GUST.5 5 10 10 10 10 MIX HGT (FT)....900 1600 1600 3200 4900 4900 TRANSPORT WIND..S 5 S 6 S 6 S 9 S 10 S 10 CHC OF PCPN (%).10 60 60 60 70 70 LAL.............2 2 2 3 3 3 $$ FORECASTER...WOLF REQUESTED BY...MIKE WILLIAMS TYPE OF REQUEST...PRESCRIBED .TAG 20090812.ISLAN.01/JAX