FNUS74 KMOB 241422 FWSMOB SPOT FORECAST FOR COMPARTMENT 51...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 822 AM CST TUE FEB 24 2009 FORECAST IS BASED ON IGNITION TIME OF 0900 CST ON FEBRUARY 24. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...RED FLAG WARNING IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .DISCUSSION...A LIGHT EAST WIND WILL BECOME SOUTHEAST THIS AFTERNOON AS HIGH PRESSURE CENTERED WELL TO THE NORTH MOVES TO THE MID ATLANTIC STATES. THE SOUTHEAST WINDS WILL BEGIN TO BRING AN INCREASE IN SURFACE HUMIDITY TONIGHT AND WEDNESDAY. .TODAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). TEMPERATURE.........45 AT IGNITION...MAX 64. RH..................39 PERCENT AT IGNITION...MIN 20 PERCENT. WIND (20 FT)........WINDS EAST AT 4 MPH AT IGNITION...BECOMING SOUTHEAST 5 TO 10 MPH IN THE AFTERNOON. MIXING HEIGHT.......1500 FT AGL AT IGNITION...INCREASING TO 2800 FT AGL LATE IN THE MORNING THEN INCREASING TO 4300 FT AGL IN THE AFTERNOON. MIXING WINDS........EAST 12 MPH BECOMING SOUTHEAST AROUND 10 MPH. DISPERSION INDEX....7 INCREASING TO 21 EARLY IN THE MORNING...THEN INCREASING TO 33 LATE IN THE MORNING INCREASING TO 42 EARLY IN THE AFTERNOON DECREASING TO 27 DECREASING TO 16 LATE IN THE AFTERNOON. LVORI...............6 DECREASING TO 4 EARLY IN THE MORNING...THEN DECREASING TO 2 EARLY IN THE MORNING DECREASING TO 1 LATE IN THE MORNING INCREASING TO 2. TIME (CST) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%).........61 61 53 53 53 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE TEMP............45 54 61 63 59 RH..............39 30 20 20 32 20 FT WIND DIR..E E SE SE SE 20 FT WIND SPD..3 4 4 4 4 MIX HGT (FT)....2100 2800 3600 4300 2200 MIX HGT (M).....640 850 1100 1310 670 TRANSP WIND DIR.E E SE SE SE TRANSP WIND SPD.12 11 10 9 6 TRANS SPD (M/S).5 5 4 4 3 DISPERSION......24 33 40 41 16 LVORI...........2 1 1 1 2 CWR.............0 0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG AFTER MIDNIGHT. TEMPERATURE.........MIN 36. RH..................MAX 96 PERCENT. WIND (20 FT)........LIGHT WINDS. MIXING HEIGHT.......1200 FT AGL DECREASING TO 200-300 FT AGL. MIXING WINDS........EAST 5 TO 6 MPH. DISPERSION INDEX....5. LVORI...............2 INCREASING TO 3 LATE IN THE EVENING...THEN INCREASING TO 5 AFTER MIDNIGHT INCREASING TO 6 AFTER MIDNIGHT INCREASING TO 8 DECREASING TO 6 EARLY IN THE MORNING. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........48 48 48 42 42 42 WEATHER COV..... PATCHY PATCHY WEATHER TYPE....NONE NONE NONE NONE FOG FOG TEMP............54 48 44 43 41 39 RH..............41 53 65 82 91 95 20 FT WIND DIR..SE SE E E E E 20 FT WIND SPD..4 3 2 2 2 2 MIX HGT (FT)....1200 200 200 300 200 200 MIX HGT (M).....370 60 60 90 60 60 TRANSP WIND DIR.SE SE SE E E E TRANSP WIND SPD.5 5 6 6 6 6 TRANS SPD (M/S).2 2 3 3 3 3 DISPERSION......7 2 3 3 3 3 LVORI...........2 2 3 5 6 8 CWR.............10 10 10 10 10 10 .WEDNESDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). TEMPERATURE.........MAX 72. RH..................MIN 39 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 5 TO 6 MPH LATE IN THE MORNING. MIXING HEIGHT.......300 FT AGL INCREASING TO 700 FT AGL EARLY IN THE MORNING...THEN INCREASING TO 1100 FT AGL EARLY IN THE MORNING INCREASING TO 1500 FT AGL LATE IN THE MORNING INCREASING TO 2700 FT AGL INCREASING TO 4000 FT AGL LATE IN THE MORNING INCREASING TO 5300-5400 FT AGL DECREASING TO 4100 FT AGL LATE IN THE AFTERNOON DECREASING TO 2800 FT AGL. MIXING WINDS........SOUTHEAST 6 TO 10 MPH SHIFTING TO THE SOUTH AROUND 8 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....5 INCREASING TO 18 EARLY IN THE MORNING...THEN INCREASING TO 40 LATE IN THE MORNING INCREASING TO 61 LATE IN THE MORNING INCREASING TO 75 DECREASING TO 46 LATE IN THE AFTERNOON DECREASING TO 29. LVORI...............6 DECREASING TO 4 EARLY IN THE MORNING...THEN DECREASING TO 3 EARLY IN THE MORNING DECREASING TO 2 LATE IN THE MORNING DECREASING TO 1 INCREASING TO 2 LATE IN THE AFTERNOON. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........21 21 21 23 23 23 WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............36 43 62 68 71 70 RH..............93 72 56 45 41 47 20 FT WIND DIR..E E SE S S S 20 FT WIND SPD..2 3 4 4 5 5 MIX HGT (FT)....300 1100 2700 5300 5400 4100 MIX HGT (M).....90 340 820 1620 1650 1250 TRANSP WIND DIR.E SE SE S S S TRANSP WIND SPD.6 9 12 13 13 9 TRANS SPD (M/S).3 4 5 6 6 4 DISPERSION......3 14 40 77 78 46 LVORI...........6 3 1 1 1 1 CWR.............0 0 0 0 0 0 $$ FORECASTER...MOB FORECASTER REQUESTED BY...TRACY SIMMONS TYPE OF REQUEST...PRESCRIBED .TAG 20090224.COMPA.01/MOB