FNUS72 KJAX 242124 FWSJAX SPOT FORECAST FOR IMPASSABLE BAY...USDA-FOREST SERVICE NATIONAL WEATHER SERVICE JACKSONVILLE FL 524 PM EDT FRI JUN 24 2011 FORECAST IS BASED ON REQUEST TIME OF 1710 EDT ON JUNE 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A SURFACE TROUGH WILL LINGER OVER THE SOUTHEAST REGION THROUGH THE WEEKEND BRINGING AN INCREASE IN MOISTURE AND HIGHER CHANCES OF MAINLY AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. RELATIVE HUMIDITIES ARE EXPECTED TO REMAIN ABOVE CRITICAL VALUES. WEST TO SOUTHWEST PREVAILING FLOW IS EXPECTED WITH SUSTAINED SPEEDS LESS THAN 15 MPH. WINDS WILL BECOME SSE NEAR THE ATLANTIC COAST EACH AFTERNOON AND EVENING. THE EAST COAST SEA BREEZE WITH INCREASE WIND SPEEDS TO NEAR 15 MPH AT TIMES. WINDS WILL ALSO BE HIGHER AND GUSTY NEAR THUNDERSTORMS. OUTFLOWS FROM THUNDERSTORMS CAN PRODUCE SUDDEN SHIFTS IN WIND DIRECTION. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE EVENING...THEN CHANCE OF SHOWERS AND THUNDERSTORMS THROUGH AROUND MIDNIGHT. PATCHY FOG AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 71. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH IN THE EVENING BECOMING LIGHT. LAL.................4 UNTIL 2000...THEN 3 UNTIL 0200...THEN 1. MIXING HEIGHT.......900-2500 FT AGL DECREASING TO 200-900 FT AGL AFTER MIDNIGHT. MIXING WINDS........SOUTHWEST 3 TO 9 MPH. DISPERSION INDEX....2. CHANCE OF PCPN......30 PERCENT. LVORI...............10. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........81 67 67 67 51 51 WEATHER COV.....LIKELY CHANCE CHANCE CHANCE PATCHY PATCHY WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM FOG FOG TEMP............84 80 76 74 73 71 RH..............67 77 87 92 96 100 20 FT WIND......SW 7 SW 7 SW 5 SW 3 SW 1 SW 0 20 FT WIND GUST.10 10 10 5 MIX HGT (FT)....2500 1500 1500 900 200 200 TRANSPORT WIND..W 9 SW 9 SW 9 SW 6 SW 3 SW 3 LVORI...........10 10 10 10 10 10 DISPERSION INDX.27 6 6 3 2 2 CHC OF PCPN (%).60 30 30 30 0 0 LAL.............4 3 3 3 1 1 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE MORNING. CHANCE OF SHOWERS AND THUNDERSTORMS EARLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 94. MIN HUMIDITY........45 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 6 TO 7 MPH IN THE AFTERNOON. LAL.................1 UNTIL 0800...THEN 2 UNTIL 1400...THEN 3. MIXING HEIGHT.......900-1600 FT AGL INCREASING TO 3700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5800 FT AGL EARLY IN THE AFTERNOON DECREASING TO 3700 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTHWEST 3 TO 8 MPH. DISPERSION INDEX....27. CHANCE OF PCPN......20 PERCENT. TIME (EDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........51 42 42 42 63 63 WEATHER COV.....PATCHY S CHC S CHC S CHC CHANCE CHANCE WEATHER TYPE....FOG RN/FG TSTORM TSTORM TSTORM TSTORM TEMP............71 74 84 91 94 93 RH..............100 94 65 51 45 47 20 FT WIND......SW 0 W 0 W 2 W 6 W 7 SW 7 20 FT WIND GUST. 5 10 10 10 MIX HGT (FT)....900 1600 1600 3700 5800 5800 TRANSPORT WIND..W 3 W 6 W 6 W 7 W 8 W 8 DISPERSION INDX.2 12 12 31 26 26 CHC OF PCPN (%).0 20 20 20 40 40 LAL.............1 2 2 2 3 3 $$ FORECASTER...LS REQUESTED BY...PETER MYERS TYPE OF REQUEST...WILDFIRE .TAG 20110624.IMPAS.02/JAX