FNUS74 KHUN 031345 FWSHUN SPOT FORECAST FOR HORSE CAMP...USFS NATIONAL WEATHER SERVICE HUNTSVILLE AL 745 AM CST TUE JAN 3 2012 FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON JANUARY 03. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 5 PM CST THIS AFTERNOON... .DISCUSSION... A SURFACE HIGH PRESSURE SYSTEM WILL CONTINUE TO DRIVE A COLD AND VERY DRY AIRMASS ACROSS NORTH ALABAMA. THIS WILL MEAN LOW RELATIVE HUMIDITIES THIS AFTERNOON DROPPING BELOW 25 PERCENT BY 3 PM WITH A MINIMUM RELATIVE HUMIDITY BETWEEN 20-22 PERCENT AT THE BURN SITE TODAY. MIXING HEIGHTS ARE EXPECTED TO RISE TO 3000 FEET AGL BY IGNITION TIME WITH A FURTHER RISE TO 3400 FEET AGL IN THE AFTERNOON. NORTHERLY TRANSPORT WINDS WILL RISE TO 15 MPH BY IGNITION TIME AND THEN SHIFT TO NORTHWESTERLY AFTER 1 PM WITH A SLIGHT DECREASE IN SPEED. WINDS WILL CALM AFTER SUNSET WITH RISING RELATIVE HUMIDITIES OVERNIGHT. THEN...WEDNESDAY SHOULD BE A LITTLE WARMER WITH SOUTHERLY FLOW BRINGING HIGHER MOISTURE LEVELS (THAN TODAY) ACROSS THE AREA WITH RELATIVE HUMIDITIES EXPECTED TO DROP BETWEEN 37-39 PERCENT BY THE AFTERNOON. IN ADDITION...SOUTHERLY TRANSPORT WINDS SHOULD INITIALLY BE BETWEEN 8-10 MPH IN THE MORNING...BUT WILL SHIFT TO THE SOUTHWEST AND INCREASE TO 20 TO 25 MPH BY THE AFTERNOON. .TODAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....34-36. MIN HUMIDITY........20-22 PERCENT. WIND (20 FT)........NORTHWEST WINDS 6 TO 10 MPH BECOMING LIGHT AFTER 5 PM. MIXING HEIGHT.......3000-3400 FT AGL. TRANSPORT WINDS.....NORTH 15 SHIFTING TO THE NORTHWEST 10 TO 12 MPH AFTER 1 PM. TIME (CST) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........MCLEAR MCLEAR CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............25 30 34 35 32 RH..............44 30 23 21 26 20 FT WIND......N 9 NW 9 NW 8 NW 7 NW 3 MIX HGT (FT)....3000 3000 3400 3200 3200 TRANSPORT WIND..N 15 N 15 NW 12 NW 10 NW 10 DISPERSION IDX..10 48 39 41 41 .TONIGHT... SKY/WEATHER.........CLEAR (0-5 PERCENT). MIN TEMPERATURE.....23-25. MAX HUMIDITY........50-52 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH AFTER MIDNIGHT. MIXING HEIGHT.......DROPPING TO 1900 FT AGL BY 6PM. THEN... DROPPING THROUGH OVERNIGHT TO 300 FT AGL BY 4 AM. TRANSPORT WINDS.....SOUTH 3 TO 8 MPH. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........CLEAR CLEAR CLEAR CLEAR CLEAR CLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............31 29 27 26 25 25 RH..............30 36 41 44 46 47 20 FT WIND......NW 3 SW 2 SW 2 S 3 S 5 S 6 MIX HGT (FT)....1900 1900 800 500 500 300 TRANSPORT WIND..NW 8 NW 8 W 3 SW 7 SW 7 S 6 DISPERSION IDX..19 19 4 3 3 3 .WEDNESDAY... SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT). MAX TEMPERATURE.....47-49. MIN HUMIDITY........37-39 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 7 TO 13 MPH. MIXING HEIGHT.......300 FT AGL. THEN INCREASING THROUGH MORNING TO 1700 FT AGL BY NOON WITH FURTHER INCREASE TO 3100 FT AGL LATE IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHWEST 8 TO 15 MPH INCREASING TO SOUTHWEST 20 TO 26 MPH IN THE AFTERNOON. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........PCLDY PCLDY PCLDY PCLDY PCLDY PCLDY WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............24 27 36 43 47 47 RH..............50 49 41 38 42 56 20 FT WIND......S 7 S 9 SW 12 SW 13 SW 13 SW 9 MIX HGT (FT)....300 300 800 1700 1700 3100 TRANSPORT WIND..S 8 S 8 SW 15 SW 20 SW 20 W 26 DISPERSION IDX..5 5 13 34 34 87 $$ FORECASTER...LATIMER REQUESTED BY...CLARK TYPE OF REQUEST...PRESCRIBED .TAG 20120103.HORSE.01/HUN