FNUS74 KHUN 181220 FWSHUN SPOT FORECAST FOR OWL CREEK...USFS NATIONAL WEATHER SERVICE HUNTSVILLE AL 720 AM CDT FRI MAR 18 2011 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MARCH 18. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A SURFACE HIGH PRESSURE SYSTEM SHOULD KEEP CONDITIONS DRY AND WARMER TODAY. RELATIVE HUMIDITIES WILL BE HIGHER TODAY THAN YESTERDAY WITH VALUES DROPPING TO AROUND 40 PERCENT BY 3 PM AT THE BURN SITE. SOUTHWESTERLY WINDS WILL INCREASE SOMEWHAT TO 6 TO 10 MPH. MAY HAVE A SLIGHT INCREASE OF WINDS UP THE WEST FACING SIDE OF THE RIDGE DURING THE AFTERNOON. DUE TO THESE WINDS AND MIXING HEIGHTS RISING TO 4400 FEET...DISPERSION WILL RISE TO GENERALLY GOOD BY 1-3 PM. CONDITIONS OVERNIGHT AND INTO TOMORROW WILL CHANGE AS A COLD FRONT APPROACHES. SHOWERS AND ISOLATED THUNDERSTORMS WILL BE POSSIBLE BEGINNING LATE TONIGHT INTO TOMORROW AFTERNOON. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....75 TO 77. MIN HUMIDITY........39 TO 41 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 6 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......300-2000 FT AGL INCREASING TO 3800-4400 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 6 TO 15 MPH. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............59 66 72 76 76 RH..............77 61 47 40 41 20 FT WIND......SW 6 SW 9 SW 9 SW 9 SW 7 MIX HGT (FT)....300 2000 3800 3800 4400 TRANSPORT WIND..SW 6 W 15 SW 10 SW 10 SW 13 DISPERSION IDX..3 37 37 37 66 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....52 TO 54. MAX HUMIDITY........90 TO 92 PERCENT. WIND (20 FT)........SOUTHWEST WINDS AROUND 5 MPH EARLY IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......4400 FT AGL DECREASING TO 700 FT AGL BY 8 PM AND THEN 300 FEET BY 2 AM. TRANSPORT WINDS.....SOUTHWEST AROUND 13 MPH DECREASING TO AROUND 3 MPH IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY PCLDY PCLDY PCLDY MCLDY MCLDY WEATHER COV..... S CHC S CHC WEATHER TYPE....NONE NONE NONE NONE RNSHWR RNSHWR TEMP............74 68 63 60 57 55 RH..............44 55 65 72 79 86 20 FT WIND......SW 5 SW 3 W 2 W 1 W 1 NW 1 MIX HGT (FT)....4400 700 400 400 300 300 TRANSPORT WIND..SW 13 SW 13 SW 3 SW 3 SW 3 SW 3 DISPERSION IDX..66 12 2 2 2 2 .SATURDAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). MAX TEMPERATURE.....69 TO 71. MIN HUMIDITY........58 TO 60 PERCENT. WIND (20 FT)........LIGHT WINDS. MIXING HEIGHT.......300-1800 FT AGL INCREASING TO 4200-4800 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST AROUND 3 MPH SHIFTING TO THE NORTH 5 TO 9 MPH. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........MCLDY MCLDY MCLDY MCLDY MCLDY MCLDY WEATHER COV.....S CHC S CHC S CHC S CHC S CHC S CHC WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............54 55 61 66 69 70 RH..............88 90 82 70 63 59 20 FT WIND......N 1 N 2 N 3 N 3 N 3 N 3 MIX HGT (FT)....300 300 1800 1800 4200 4800 TRANSPORT WIND..SW 3 N 5 NE 9 NE 9 N 5 N 6 DISPERSION IDX..2 2 4 17 13 17 $$ FORECASTER...LATIMER REQUESTED BY...CLARK TYPE OF REQUEST...PRESCRIBED .TAG 20110318.OWLCR.01/HUN