FNUS74 KHUN 081134 FWSHUN SPOT FORECAST FOR SLANT ROCK...NPS NATIONAL WEATHER SERVICE HUNTSVILLE AL 634 AM CDT THU APR 8 2010 FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON APRIL 08. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... PERIODS OF SHOWERS...MAINLY DURING THE MORNING WILL TAPER OFF THIS AFTERNOON...AS A STRONG COLD FRONT APPROACHES FROM THE WEST. THERE IS A SLIGHT RISK FOR AN EMBEDDED THUNDERSTORM THROUGH 10 AM. OTHERWISE...SHOWER ACTIVITY WILL TAPER OFF BETWEEN 9 AM AND NOON...AS THE COLD FRONT PASSES. ANOTHER ONE TO TWO TENTHS OF AN INCH OF RAIN MAY OCCUR ACROSS THE SLANT ROCK BURN SITE. THE FRONTAL BOUNDARY SHOULD PASS ACROSS THE AREA DURING THE LATE MORNING. WINDS WILL VEER FROM SOUTHWEST TO WEST WITH THE FRONT...THEN BECOME NORTHWEST DURING THE LATE AFTERNOON. GENERALLY GOOD TO GOOD SMOKE DISPERSION IS EXPECTED TODAY. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SHOWERS AND THUNDERSTORMS IN THE MORNING...THEN CHANCE OF RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 63. MIN HUMIDITY........54 PERCENT. WIND (20 FT)........WEST WINDS 5 TO 10 MPH BECOMING LIGHT. CWR.................90 PERCENT. LAL.................5 UNTIL 1300...THEN 1. MIXING HEIGHT.......1300-2800 FT AGL INCREASING TO 3900 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 16 TO 18 MPH SHIFTING TO THE WEST 12 TO 21 MPH IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........CDY CDY CDY CDY CDY MC MC MC MC MC WEATHER COV.....DEF DEF DEF DEF DEF CHC CHC CHC CHC CHC WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW TEMP............60 61 61 62 62 63 63 63 63 62 RH..............76 74 72 69 65 62 59 57 54 55 20 FT WIND DIR..S SW SW SW W W W W NW NW 20 FT WIND SPD..7 7 7 8 9 9 9 7 5 3 20 FT WIND GUST.10 10 10 10 10 10 10 10 5 MIX HGT (KFT)...1.3 1.3 2.4 2.4 2.4 2.8 2.8 2.8 3.9 3.9 TRANSP WIND DIR.S S W W W W W W W W TRANSP WIND SPD.18 18 18 18 18 21 21 21 12 12 DISPERSION IDX..16 16 25 40 40 48 48 48 32 32 CHC OF PCPN (%).90 90 90 90 80 50 50 30 30 30 LAL.............5 5 5 5 5 1 1 1 1 1 .TONIGHT... MIN TEMPERATURE.....AROUND 38. MAX HUMIDITY........86 PERCENT. WIND (20 FT)........NORTHWEST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. CWR.................90 PERCENT DECREASING TO 10 PERCENT. LAL.................1. MIXING HEIGHT.......2800-3900 FT AGL DECREASING TO 400-800 FT AGL AFTER MIDNIGHT. TRANSPORT WINDS.....NORTHWEST 9 TO 18 MPH. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM TEMP............61 54 48 45 42 40 RH..............57 69 77 81 84 85 20 FT WIND......NW 5 NW 3 NW 3 N 3 N 3 N 2 MIX HGT (FT)....3900 3300 2800 2800 800 400 TRANSPORT WIND..W 12 NW 18 NW 16 NW 16 NW 15 NW 9 DISPERSION IDX..32 47 49 11 10 5 CHC OF PCPN (%).10 10 10 10 10 10 LAL.............1 1 1 1 1 1 $$ FORECASTER...BOYD REQUESTED BY...MARK MENDONCA TYPE OF REQUEST...PRESCRIBED .TAG 20100408.SLANT.01/HUN