FNUS72 KJAX 240900 FWSJAX SPOT FORECAST FOR IMPASSABLE BAY...USDA-FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 500 AM EDT FRI JUN 24 2011 FORECAST IS BASED ON REQUEST TIME OF 0444 EDT ON JUNE 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SURFACE TROUGH NORTH OF THE AREA AND SURFACE RIDGE TO OUR SOUTH WILL CONTINUE TO PROVIDE A PREVAILING SOUTHWESTERLY FLOW BECOMING MORE WESTERLY IN THE MORNING AND SOUTHERLY IN THE EVENING. SPEEDS WILL BE 5 TO 10 MPH. WINDS WILL BE HIGHER AND GUSTY NEAR THUNDERSTORMS. OUTFLOWS FROM THUNDERSTORMS CAN PRODUCE SUDDEN SHIFTS IN WIND DIRECTION. THE ATLANTIC COAST SEABREEZE IS NOT EXPECTED TO REACH IMPASSABLE BAY TODAY BUT SHOULD ARRIVE AROUND 5 PM ON SATURDAY. MOISTURE LEVELS WILL BE HIGH TODAY WITH MINIMUM RH ABOVE 55 PERCENT AND A GOOD CHANCE OF RAIN EXPECTED. THE MORNING WILL HAVE MORE SHOWERS WHILE THE STRONGER STORMS ARRIVE IN THE AFTERNOON. RAINFALL AMOUNTS WILL BE GENERALLY LESS THAN ONE HALF INCH... ALTHOUGH THE STRONGER STORMS COULD PRODUCE 2 TO 3 INCHES IF ONE PASSES OVER THE FIRE. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). PATCHY SMOKE EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........59 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 9 MPH LATE IN THE MORNING. LAL.................2 UNTIL 0800...THEN 3 UNTIL 1400...THEN 4. MIXING HEIGHT.......2100-4000 FT AGL INCREASING TO 4400-4700 FT AGL EARLY IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 3 TO 10 MPH. DISPERSION INDEX....42. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........62 79 79 79 81 81 WEATHER COV.....S CHC CHANCE CHANCE CHANCE LIKELY LIKELY WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP............72 74 81 85 87 87 RH..............100 98 79 67 59 61 20 FT WIND......SW 1 W 1 W 3 W 6 W 7 W 9 20 FT WIND GUST.5 5 10 10 10 10 MIX HGT (FT)....2100 3300 3300 4000 4700 4700 TRANSPORT WIND..SW 3 W 6 W 6 W 8 W 10 W 10 LAL.............2 3 3 3 4 4 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING. SLIGHT CHANCE OF SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 71. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 8 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................4 UNTIL 2000...THEN 3 UNTIL 0200...THEN 1. MIXING HEIGHT.......2500-4400 FT AGL DECREASING TO 300-1400 FT AGL LATE IN THE EVENING. MIXING WINDS........SOUTHWEST 5 TO 9 MPH. DISPERSION INDEX....2. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........81 68 68 68 54 54 WEATHER COV.....LIKELY CHANCE CHANCE CHANCE S CHC S CHC WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM RNSHWR RNSHWR TEMP............84 80 76 74 73 72 RH..............67 77 87 92 95 97 20 FT WIND......SW 8 S 6 S 3 S 2 SW 2 SW 2 20 FT WIND GUST.10 10 10 5 5 5 MIX HGT (FT)....4400 2500 2500 1400 300 300 TRANSPORT WIND..SW 9 SW 8 SW 8 SW 6 SW 5 SW 5 LAL.............4 3 3 3 1 1 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 96. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN SHIFTING TO THE SOUTH AROUND 7 MPH LATE IN THE AFTERNOON. LAL.................1 UNTIL 0800...THEN 3. MIXING HEIGHT.......1100-1800 FT AGL INCREASING TO 5000-6400 FT AGL. MIXING WINDS........NORTHWEST 6 TO 8 MPH SHIFTING TO THE WEST AROUND 7 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....27. $$ FORECASTER...TRABERT REQUESTED BY...PETER MYERS TYPE OF REQUEST...WILDFIRE .TAG 20110624.IMPAS.01/JAX