FNUS74 KHUN 211347 FWSHUN SPOT FORECAST FOR FORD...USFS NATIONAL WEATHER SERVICE HUNTSVILLE AL 747 AM CST MON FEB 21 2011 FORECAST IS BASED ON REQUEST TIME OF 0724 CST ON FEBRUARY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... GUSTY SOUTHWEST WINDS WILL PERSIST FOR THE MAJORITY OF THE DAY AND ADVECT A HUMID AIR MASS NORTHWARD ACROSS THE WILDFIRE SITE...AS THE PRESSURE GRADIENT REMAINS STRONG IN ADVANCE OF AN APPROACHING COLD FRONT. ALTHOUGH SURFACE GUSTS MAY ONLY REACH 15 MPH...TRANSPORT LAYER FLOW WILL AVERAGE 15-25 MPH...LEADING TO GOOD SMOKE PLUME DISPERSION TO THE NORTHEAST. WINDS WILL DIMINISH AND SHIFT TO THE WEST EARLY THIS EVENING...WITH A WIND SHIFT TO THE NORTHWEST EXPECTED BETWEEN 10 PM AND MIDNIGHT...AS THE COLD FRONT PUSHES THROUGH THE AREA. THERE IS A CHANCE OF LIGHT SHOWER ACTIVITY IMMEDIATELY AHEAD OF THE COLD FRONT...BUT THE BULK OF THIS PRECIPITATION SHOULD FALL BETWEEN 6 PM AND 10 PM CST...AND AMOUNT TO LESS THAN ONE TENTH OF AN INCH OF MEASURABLE RAINFALL. A COOLER AND DRIER AIR MASS WILL RAPIDLY SPREAD ACROSS THE AREA FOLLOWING THE PASSAGE OF THIS FRONT...WITH MINIMUM RELATIVE HUMIDITY EXPECTED TO FALL INTO THE 40-50 PERCENT RANGE ON TUESDAY AFTERNOON. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF RAIN IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........60 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 9 TO 13 MPH. CWR.................20 PERCENT. MIXING HEIGHT.......3000-4800 FT AGL INCREASING TO 4300-5500 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 16 TO 25 MPH. TIME (CST) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........CLOUDY CLOUDY CLOUDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC S CHC S CHC WEATHER TYPE....NONE NONE NONE RAIN RAIN RAIN TEMP............56 61 66 70 72 68 RH..............99 82 69 62 60 72 20 FT WIND......S 10 SW 12 SW 13 SW 13 SW 13 SW 12 MIX HGT (FT)....3000 4800 4800 5500 4300 4300 TRANSPORT WIND..S 16 SW 23 SW 23 SW 25 SW 25 SW 25 DISPERSION IDX..37 69 69 81 73 73 CHC OF PCPN (%).20 20 20 20 20 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). CHANCE OF RAIN SHOWERS IN THE EVENING. MIN TEMPERATURE.....AROUND 40. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........NORTHWEST WINDS 9 TO 12 MPH. CWR.................40 PERCENT DECREASING TO 10 PERCENT AFTER MIDNIGHT. MIXING HEIGHT.......1000-2300 FT AGL. TRANSPORT WINDS.....NORTHWEST 18 TO 24 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........CLOUDY CLOUDY CLOUDY MCLDY MCLDY MCLDY WEATHER COV.....CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE NONE NONE TEMP............63 56 51 47 44 42 RH..............85 100 100 100 100 100 20 FT WIND......SW 12 W 10 W 9 NW 9 NW 9 N 9 MIX HGT (FT)....2300 2300 1000 1000 1000 1000 TRANSPORT WIND..SW 24 SW 24 W 23 W 22 W 22 N 18 DISPERSION IDX..33 33 21 19 19 16 CHC OF PCPN (%).40 40 40 10 10 10 .TUESDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........45 PERCENT. WIND (20 FT)........NORTH WINDS 6 TO 9 MPH. CWR.................0 PERCENT. MIXING HEIGHT.......1600-2900 FT AGL. TRANSPORT WINDS.....NORTHWEST 12 TO 14 MPH. TIME (CST) 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............40 43 48 52 54 54 RH..............96 77 60 50 46 47 20 FT WIND......N 9 N 9 N 8 N 8 N 7 N 7 MIX HGT (FT)....1600 1600 2400 2900 2900 2300 TRANSPORT WIND..N 14 N 14 N 12 NW 14 NW 14 NW 13 DISPERSION IDX..27 27 32 43 49 37 CHC OF PCPN (%).0 0 0 0 0 0 $$ FORECASTER...DIXON REQUESTED BY...CLARK TYPE OF REQUEST...WILDFIRE .TAG 20110221.FORD_.01/HUN