FNUS72 KJAX 051701 FWSJAX SPOT FORECAST FOR WOOD IBIS...USDA NATIONAL WEATHER SERVICE JACKSONVILLE FL 101 PM EDT FRI AUG 5 2011 FORECAST IS BASED ON IGNITION TIME OF 1305 EDT ON AUGUST 05. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...HEAT ADVISORY IN EFFECT UNTIL 9 PM EDT THIS EVENING... .DISCUSSION... TODAY AND SATURDAY...A WEAK PRESSURE PATTERN WILL BE OVER NORTHEAST FLORIDA TODAY WITH A LIGHT SOUTHWEST TO WESTERLY FLOW AND CONTINUED VERY HOT TEMPERATURES. MAXIMUM TEMPERATURES IN THE UPPER 90S TO NEAR 100 DEGREES AND HIGHER HUMIDITIES WILL RESULT IN HEAT INDICES NEAR 110 DEGREES. SCATTERED THUNDERSTORM ACTIVITY IS EXPECTED THIS AFTERNOON AND EVENING. WINDS WILL REMAIN BELOW 15 MPH EXCEPT STRONG AND GUSTY IN THE VICINITY OF THUNDERSTORM ACTIVITY. SUNDAY THROUGH THE MIDDLE OF NEXT WEEK...AN UNSEASONABLY STRONG WESTERLY FLOW WILL SET UP ACROSS THE FORECAST AREA AND THIS WILL PREVENT THE ATLANTIC COAST SEA BREEZE FRONT FROM PUSHING INLAND. HOT TEMPERATURES WILL CONTINUE WITH HIGHS IN THE 90S AND THERE WILL BE ENOUGH MOISTURE AROUND TO KICK OFF SCATTERED AFTERNOON AND EVENING THUNDERSTORM ACTIVITY. SURFACE WINDS OUT OF THE WEST TO SOUTHWEST AT 10-15 MPH WITH GUSTS TO 20 MPH CAN BE EXPECTED EACH DAY WITH EVEN STRONGER GUSTY WINDS IN THUNDERSTORM ACTIVITY. .REST OF TODAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 98. MIN HUMIDITY........43 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 6 TO 8 MPH. LAL.................1 UNTIL 1400...THEN 3. MIXING HEIGHT.......INCREASING TO 7000 FT AGL THIS AFTERNOON. MIXING WINDS........SOUTHWEST 8 MPH. DISPERSION INDEX....29. CHANCE OF PCPN......40-50 PERCENT. TIME (EDT) 1 PM 3 PM 5 PM SKY (%).........45 47 58 WEATHER COV.....NONE CHANCE CHANCE WEATHER TYPE....NONE TSTORM TSTORM TEMP............97 98 95 RH..............48 47 56 20 FT WIND......WSW 7 SW 8 SW 7 20 FT WIND GUST.10 10 10 MIX HGT (FT)....6900 7000 6700 TRANSPORT WIND..SW 8 SW 8 W 7 DISPERSION INDX.37 28 24 CHC OF PCPN (%).10 40 50 LAL.............1 3 3 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING PARTLY CLOUDY (35-45 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE EVENING... THEN SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 75. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. LAL.................3 UNTIL 0200...THEN 2. MIXING HEIGHT.......6700 FT AGL DECREASING TO 200-1700 FT AGL EARLY IN THE EVENING. MIXING WINDS........SOUTHWEST 2 TO 7 MPH. DISPERSION INDEX....1. CHANCE OF PCPN......40 PERCENT. LVORI...............10. TIME (EDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........58 58 54 48 40 37 WEATHER COV.....CHANCE CHANCE CHANCE CHANCE S CHC NONE WEATHER TYPE....TSTORM TSTORM TSTORM TSTORM TSTORM NONE TEMP............92 86 82 80 78 76 RH..............56 73 84 91 96 99 20 FT WIND......SW 5 SW 1 S 2 S 2 S 1 S 1 20 FT WIND GUST. 5 5 5 MIX HGT (FT)....6700 1700 1700 300 200 200 TRANSPORT WIND..W 7 W 2 W 2 S 5 SW 2 SW 2 LVORI...........10 10 10 10 10 10 DISPERSION INDX.24 1 1 2 1 1 CHC OF PCPN (%).50 40 40 40 20 10 LAL.............3 3 3 3 2 1 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). A CHANCE OF SHOWERS AND THUNDERSTORMS MAINLY IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 96. MIN HUMIDITY........52 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. LAL.................1 UNTIL 0800...THEN 3. MIXING HEIGHT.......300-1700 FT AGL INCREASING TO 4000-5900 FT AGL BY EARLY AFTERNOON. MIXING WINDS........WEST 3 TO 7 MPH. DISPERSION INDEX....24. CHANCE OF PCPN......30-40 PERCENT. $$ FORECASTER...SHASHY REQUESTED BY...PETE MYERS TYPE OF REQUEST...PRESCRIBED .TAG 20110805.WOODI.01/JAX