FNUS74 KHUN 201236 FWSHUN SPOT FORECAST FOR WEST FORK...USFS NATIONAL WEATHER SERVICE HUNTSVILLE AL 636 AM CST SAT FEB 20 2010 FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON FEBRUARY 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... WARM...DRY...AND CALM CONDITIONS ARE EXPECTED FOR THE BURN SITE TODAY. RELATIVE HUMIDITY VALUES WILL FALL BELOW 25 PERCENT FOR A FEW HOURS THIS AFTERNOON...AND COULD FALL FARTHER IF STRONGER MIXING DEVELOPS LIKE YESTERDAY. EXTREME CAUTION IS ADVISED FOR THE BURN. HOWEVER...WIND SPEEDS WILL REMAIN BELOW 5 MPH WITH DIRECTIONS MAINLY OUT OF THE SOUTH. WEAK TRANSPORT WINDS WILL RESULT IN ONLY FAIR DISPERSION. CALM WINDS WILL PERSIST OVERNIGHT WITH GOOD HUMIDITY RECOVERY... BUT TRANSPORT WINDS WILL BEGIN TO PICK UP AHEAD OF THE NEXT STORM SYSTEM. SOUTHERLY WINDS WILL INCREASE SUNDAY...AND RAINFALL SHOULD HOLD OFF UNTIL SUNDAY NIGHT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT). MAX TEMPERATURE.....AROUND 61. MIN HUMIDITY........25 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................0 PERCENT. MIXING HEIGHT.......300-400 FT AGL INCREASING TO 4300-4900 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 5 TO 6 MPH. TIME (CST) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............40 51 58 61 57 RH..............62 41 29 23 28 20 FT WIND......SE 3 S 3 S 3 S 3 S 2 MIX HGT (FT)....400 400 4300 4900 4900 TRANSPORT WIND..S 5 S 5 S 5 S 6 S 6 DISPERSION IDX..2 2 23 33 33 CHC OF PCPN (%).0 0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). MIN TEMPERATURE.....AROUND 32. MAX HUMIDITY........83 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................0 PERCENT. MIXING HEIGHT.......300 FT AGL. TRANSPORT WINDS.....SOUTH 7 TO 15 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............53 46 42 39 36 34 RH..............35 48 60 64 69 74 20 FT WIND......SE 2 S 2 S 2 SE 1 S 1 S 1 MIX HGT (FT)....300 300 300 300 300 300 TRANSPORT WIND..S 7 S 7 S 8 S 12 S 12 S 15 DISPERSION IDX..3 3 4 5 5 7 CHC OF PCPN (%).0 0 0 0 0 0 .SUNDAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (75-85 PERCENT). MAX TEMPERATURE.....AROUND 65. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................0 PERCENT INCREASING TO 20 PERCENT IN THE AFTERNOON. MIXING HEIGHT.......300-400 FT AGL INCREASING TO 4000-4700 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 13 TO 20 MPH. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........PCLDY PCLDY PCLDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR RNSHWR TEMP............32 39 49 58 64 64 RH..............83 73 57 47 41 42 20 FT WIND......SE 1 SE 3 SE 7 S 9 S 9 S 9 MIX HGT (FT)....300 300 400 4000 4000 4700 TRANSPORT WIND..S 13 S 13 S 13 S 18 S 18 S 20 DISPERSION IDX..3 4 7 69 51 79 CHC OF PCPN (%).0 0 0 20 20 20 $$ FORECASTER...CARCIONE REQUESTED BY...CLARK TYPE OF REQUEST...PRESCRIBED .TAG 20100220.WESTF.01/HUN