FNUS74 KBMX 132312 FWSBMX SPOT FORECAST FOR MIDNIGHT TRAIN...US FOREST SERVICE NATIONAL WEATHER SERVICE BIRMINGHAM AL 612 PM CDT WED OCT 13 2010 FORECAST IS BASED ON REQUEST TIME OF 1809 CDT ON OCTOBER 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM NOON TO 6 PM CDT THURSDAY... ...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON... .DISCUSSION... AN INCOMING COLD FRONT IS EXPECTED TO MOVE THROUGH THE AREA TONIGHT. BREEZY CONDITIONS WILL USHER IN ANOTHER DRY AIRMASS INTO THE AREA THURSDAY. RELATIVE HUMIDITY LEVELS WILL BE IN THE 20 TO 30 PERCENT RANGE BOTH THURSDAY AND FRIDAY. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). ISOLATED RAIN SHOWERS EARLY IN THE EVENING. MIN TEMPERATURE.....AROUND 52. MAX HUMIDITY........100 PERCENT. WIND (20 FT)........LIGHT WINDS. LAL................. MIXING HEIGHT.......3500-4700 FT AGL DECREASING TO 200-800 FT AGL. MIXING WINDS........NORTH 5 TO 14 MPH. DISPERSION INDEX....29 INCREASING TO 55 EARLY IN THE EVENING...THEN DECREASING TO 30 EARLY IN THE EVENING DECREASING TO 6 IN THE LATE EVENING AND OVERNIGHT. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY.............PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV.....ISOLTD WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE TEMP............77 67 59 55 54 53 RH..............48 68 90 100 100 100 20 FT WIND......NW 3 NW 2 NW 2 NW 2 NW 2 NW 2 MIX HGT (FT)....4700 2300 300 500 700 600 TRANSPORT WIND..NW 13 NW 10 W 5 NW 6 N 9 NW 13 DISPERSION......29 30 2 3 4 6 .THURSDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 72. MIN HUMIDITY........26 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING NORTHWEST 6 TO 12 MPH EARLY IN THE MORNING. LAL................. MIXING HEIGHT.......800-2600 FT AGL INCREASING TO 4800-5500 FT AGL. MIXING WINDS........NORTH 16 TO 21 MPH. DISPERSION INDEX....10 INCREASING TO 25 LATE IN THE MORNING...THEN INCREASING TO 59 LATE IN THE MORNING INCREASING TO 66 EARLY IN THE AFTERNOON INCREASING TO 87 DECREASING TO 79 LATE IN THE AFTERNOON. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY.............PCLDY MCLEAR MCLEAR MCLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............52 54 64 70 72 72 RH..............100 90 63 41 30 26 20 FT WIND......NW 2 N 6 N 10 N 12 N 12 NW 9 MIX HGT (FT)....800 1800 3400 4800 5500 5300 TRANSPORT WIND..N 16 N 18 N 18 N 21 N 21 N 20 DISPERSION......7 8 25 62 66 83 $$ FORECASTER...MONTANEZ REQUESTED BY...NOONAN PHIFER TYPE OF REQUEST...WILDFIRE .TAG 20101013.MIDNI.01/BMX