FNUS74 KBMX 242146 FWSBMX SPOT FORECAST FOR CHEAHA SHELTER...USFS NATIONAL WEATHER SERVICE BIRMINGHAM AL 346 PM CST THU JAN 24 2013 FORECAST IS BASED ON IGNITION TIME OF 1805 CST ON JANUARY 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... NO FIRE WEATHER CONCERNS AT THIS TIME WITH RELATIVE HUMIDITY VALUES EXPECTED TO REMAIN ABOVE CRITICAL VALUES. LIGHT RAIN IS POSSIBLE ON FRIDAY WITH A WARM FRONT THAT WILL TRANSITION TO A COLD FRONT. COOLER AND DRIER AIR WILL MOVE IN BEHIND THE FRONT OVER THE WEEKEND. MIXING HEIGHTS WILL DECREASE TONIGHT MAKING FOR POOR DISPERSION. .TONIGHT... TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............MCLEAR MCLEAR PCLDY MCLDY MCLDY MCLDY WEATHER COV..... S CHC WEATHER TYPE....NONE NONE NONE NONE NONE RAIN TEMP............45 40 37 36 35 33 RH..............46 53 60 65 70 79 20 FT WIND......N 3 NE 2 NE 2 NE 5 E 6 E 7 20 FT WIND GUST.5 5 5 10 10 10 CHC OF PCPN (%).20 20 20 20 20 20 MIX HGT (FT)....1100 600 400 300 600 800 TRANSPORT WIND..040/9 060/10 080/10 100/9 120/15 130/18 DISPERSION......13 9 6 6 10 16 .FRIDAY... TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY.............CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY CLOUDY WEATHER COV.....LIKELY LIKELY LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RAIN RAIN RNSHWR RNSHWR RNSHWR RNSHWR TEMP............32 32 38 43 46 45 RH..............85 94 84 79 76 79 20 FT WIND......E 7 E 6 SE 5 S 5 SW 6 SW 6 20 FT WIND GUST.10 10 10 10 10 10 CHC OF PCPN (%).60 60 60 60 60 60 MIX HGT (FT)....800 700 800 1100 2300 2200 TRANSPORT WIND..140/20 150/17 170/15 190/15 210/24 230/23 DISPERSION......18 15 10 20 50 46 $$ FORECASTER...ANDERSON REQUESTED BY...NOONAN PHIFER TYPE OF REQUEST...PRESCRIBED .TAG 20130124.CHEAH.03/BMX