FNUS74 KHUN 272131 FWSHUN SPOT FORECAST FOR CHEATHAM KNOB...USFS NATIONAL WEATHER SERVICE HUNTSVILLE AL 331 PM CST MON FEB 27 2012 FORECAST IS BASED ON IGNITION TIME OF 0800 CST ON FEBRUARY 28. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... SCATTERED SHOWERS AND THUNDERSTORMS ARE POSSIBLE ESPECIALLY ON TUESDAY AFTERNOON (HIT OR MISS) AS A WARM FRONT MOVES NORTHWARD BRINGING WARM AND MOIST CONDITIONS TO THE REGION. DISPERSION INDEX RISES TO FAIR BY 2-4PM AS SOUTHERLY TRANSPORT WINDS DEVELOP AND INCREASE TO 15 TO 17 MPH OVER THE BURN SITE. MINIMUM RELATIVE HUMIDITIES ARE EXPECTED TO BE BETWEEN 50 TO 55 PERCENT BY 2-4PM. GREATER CHANCES FOR PRECIPITATION EXIST ON WEDNESDAY AND WEDNESDAY AFTERNOON AS THE COLD FRONT INCREASES PUSHES OVER THE BURN SITE BY WEDNESDAY AFTERNOON. DRIER CONDITIONS ARE THEN EXPECTED ON THURSDAY AND THURSDAY AFTERNOON IN THE WAKE OF THE COLD FRONT. .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT) AROUND MIDNIGHT. MIN TEMPERATURE.....45 TO 47. MAX HUMIDITY........80 TO 82 PERCENT. WIND (20 FT)........LIGHT WINDS. CWR.................0 PERCENT. MIXING HEIGHT.......3700 FT AGL DECREASING TO 200 FT AGL BY MIDNIGHT. TRANSPORT WINDS.....NORTHEAST 2 TO 5 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........PCLDY PCLDY PCLDY MCLDY MCLDY MCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............60 56 53 50 49 47 RH..............54 63 68 70 74 77 20 FT WIND......NE 3 NE 3 NE 3 NE 3 E 3 E 3 MIX HGT (FT)....3700 3700 400 200 200 200 TRANSPORT WIND..E 5 E 5 NE 2 NE 5 NE 5 NE 5 DISPERSION IDX..2 2 1 2 2 2 CHC OF PCPN (%).0 0 0 0 0 0 .TUESDAY... SKY/WEATHER.........PARTLY SUNNY (65-75 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS IN THE MORNING...THEN CHANCE OF RAIN SHOWERS AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....67 TO 69. MIN HUMIDITY........53 TO 55 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 7 MPH IN THE LATE MORNING AND AFTERNOON. CWR.................50 PERCENT. MIXING HEIGHT.......100 FT AGL INCREASING TO 3300 FT AGL BY NOON. TRANSPORT WINDS.....EAST AROUND 3 MPH INCREASING TO SOUTH 15 TO 17 BY 10AM AND CONTINUING THROUGH AFTERNOON. TIME (CST) 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 CHANCE CHANCE CHANCE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............46 51 58 63 67 67 RH..............81 75 65 57 54 56 20 FT WIND......E 3 SE 3 SE 6 SE 7 SE 7 SE 7 MIX HGT (FT)....100 100 2100 3300 3300 2200 TRANSPORT WIND..E 3 E 3 SE 15 S 16 S 16 S 17 DISPERSION IDX..0 0 30 41 41 35 CHC OF PCPN (%).50 50 50 50 50 50 $$ FORECASTER...LATIMER REQUESTED BY...CLARK TYPE OF REQUEST...PRESCRIBED .TAG 20120228.CHEAT.01/HUN