FNUS74 KHUN 211351 FWSHUN SPOT FORECAST FOR MILEPOST 334 BURN PILE...NATIONAL PARK SERVICE / LITTLE RIVER NATIONAL WEATHER SERVICE HUNTSVILLE AL 851 AM CDT WED JUL 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON JULY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SCATTERED CUMULUS FIELD WITH BASES AROUND 6000 FEET WILL DEVELOP AS TEMPERATURES CLIMB THROUGH THE DAY. WHILE CONVECTION IS CURRENTLY NOT ONGOING NEAR THE BURN SITE...EARLIER CONVECTION WELL NORTH AND SOUTH OF THE AREA MAY SERVE TO TRIGGER ISOLATED THUNDERSTORMS NEAR THE BURN SITE BY LATE MORNING THROUGH THE AFTERNOON HOURS. THIS DIURNALLY DRIVEN CONVECTION WILL QUICKLY DISSIPATE THIS EVENING...WITH ISOLATED STORMS AGAIN POSSIBLE THURSDAY AFTERNOON. WHILE WINDS WILL GENERALLY REMAIN LESS THAN 10 MPH THROUGH THE DAY...TEMPERATURES WILL CLIMB INTO THE LOW TO MID 90S...ALLOWING RELATIVE HUMIDITY VALUES TO FALL INTO THE 40-50 PERCENT RANGE THIS AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....AROUND 96. MIN HUMIDITY........44 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 9 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN BECOMING LIGHT LATE IN THE AFTERNOON. CWR.................10 PERCENT. LAL.................1. MIXING HEIGHT.......300-400 FT AGL INCREASING TO 6100-6600 FT AGL. TRANSPORT WINDS.....SOUTHEAST AROUND 3 MPH SHIFTING TO THE WEST 3 TO 10 MPH. TIME (CDT) NOON 2 PM 4 PM SKY (%).........PCLDY PCLDY PCLDY WEATHER COV.....ISOLTD ISOLTD ISOLTD WEATHER TYPE....RNSHWR RNSHWR RNSHWR TEMP............91 94 95 RH..............53 46 44 20 FT WIND......SW 9 SW 8 W 3 MIX HGT (FT)....3400 6600 6100 TRANSPORT WIND..W 9 SW 10 W 3 DISPERSION IDX..31 48 23 CHC OF PCPN (%).10 10 10 LAL.............1 1 1 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT). MIN TEMPERATURE.....AROUND 74. MAX HUMIDITY........94 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. CWR.................10 PERCENT DECREASING TO 0 PERCENT. LAL.................1. MIXING HEIGHT.......4800-6100 FT AGL DECREASING TO 300-400 FT AGL IN THE LATE EVENING AND OVERNIGHT. TRANSPORT WINDS.....WEST AROUND 3 MPH SHIFTING TO THE SOUTHEAST AROUND 1 MPH EARLY IN THE EVENING...THEN SHIFTING TO THE EAST 3 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR WEATHER COV.....ISOLTD WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE TEMP............92 86 81 78 76 74 RH..............49 62 76 86 92 94 20 FT WIND......SE 5 E 3 E 2 E 1 SE 1 S 2 MIX HGT (FT)....6100 4800 400 400 300 300 TRANSPORT WIND..W 3 SE 1 E 8 E 8 E 5 E 3 DISPERSION IDX..23 1 4 4 2 2 CHC OF PCPN (%).10 0 0 0 0 0 LAL.............1 1 1 1 1 1 .THURSDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 99. MIN HUMIDITY........41 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................10 PERCENT. LAL.................1. MIXING HEIGHT.......300 FT AGL INCREASING TO 6000-7900 FT AGL IN THE LATE MORNING AND AFTERNOON. TRANSPORT WINDS.....SOUTHEAST AROUND 3 MPH SHIFTING TO THE WEST 7 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............74 80 89 95 98 99 RH..............94 79 60 45 42 43 20 FT WIND......SE 1 SE 3 SW 6 SW 6 W 5 W 6 MIX HGT (FT)....300 300 6000 6000 7800 7900 TRANSPORT WIND..E 3 SE 3 W 10 W 10 W 9 W 7 DISPERSION IDX..1 1 69 69 75 56 CHC OF PCPN (%).0 10 10 10 10 10 LAL.............1 1 1 1 1 1 $$ FORECASTER...LEE REQUESTED BY...MARK TYPE OF REQUEST...PRESCRIBED .TAG 20100721.MILEP.02/HUN