FNUS72 KJAX 281334 FWSJAX SPOT FORECAST FOR 70 LYNNE...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 934 AM EDT THU MAY 28 2009 FORECAST IS BASED ON IGNITION TIME OF 0945 EDT ON MAY 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A MOIST AIRMASS COMBINED WITH AN UPPER LEVEL DISTURBANCE WILL BRING NUMEROUS SHOWERS AND THUNDERSTORMS TO THE AREA BY EARLY AFTERNOON. A COLD FRONTAL PASSAGE IS EXPECTED SATURDAY WITH RAIN CHANCES DECREASING ON SUNDAY AND INTO EARLY NEXT WEEK AND BECOMING MORE ISOLATED EACH DAY. .REST OF TODAY... MIN HUMIDITY........57 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......1700-3000 FT AGL INCREASING TO 2900-4300 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........WEST 8 TO 14 MPH. DISPERSION INDEX....39. TIME (EDT) 9 AM 11 AM 1 PM 3 PM 5 PM RH..............84 68 61 59 63 20 FT WIND......SW 6 SW 8 SW 10 SW 10 SW 9 20 FT WIND GUST.10 10 15 15 15 MIX HGT (FT)....1700 3000 4300 4300 2900 TRANSPORT WIND..SW 8 SW 12 W 14 W 14 W 14 .TONIGHT... MIXING HEIGHT.......1500-2900 FT AGL DECREASING TO 300-1000 FT AGL LATE IN THE EVENING. MIXING WINDS........SOUTHWEST 5 TO 14 MPH. DISPERSION INDEX....2. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM MIX HGT (FT)....2900 1500 1500 900 300 300 TRANSPORT WIND..W 14 SW 12 SW 12 SW 8 SW 5 SW 5 $$ FORECASTER...TRABERT REQUESTED BY...MARK PLOSKI TYPE OF REQUEST...PRESCRIBED .TAG 20090528.70LYN.01/JAX