FNUS74 KMOB 272110 FWSMOB SPOT FORECAST FOR DESOTO 0920...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 306 PM CST TUE JAN 27 2009 FORECAST IS BASED ON IGNITION TIME OF 1500 CST ON JANUARY 27. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A COLD FRONT WILL MOVE SOUTHEAST ACROSS SOUTHEASTERN MISSISSIPPI WEDNESDAY MORNING. SOUTHEASTERLY TRANSPORT WINDS THIS EVENING WILL BECOME MORE SOUTHWESTERLY TOWARD MORNING AS THE FRONT APPROACHES FROM THE NORTHWEST...THEN THE TRANSPORT FLOW WILL GO MORE NORTHWESTERLY AND INCREASE WEDNESDAY AS THE FRONT MOVES THROUGH. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). SCATTERED RAIN SHOWERS AFTER MIDNIGHT. TEMPERATURE.........MIN 52. RH..................MAX 91 PERCENT. WIND (20 FT)........SOUTH WINDS 7 MPH. MIXING HEIGHT.......300 FT AGL. MIXING WINDS........SOUTH 10 TO 13 MPH. DISPERSION INDEX....7. LVORI...............4 INCREASING INCREASING TO 6 LATE IN THE EVENING DECREASING TO 4 AFTER MIDNIGHT. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........57 57 57 78 78 78 WEATHER COV..... PATCHY AREAS AREAS SCTTRD SCTTRD WEATHER TYPE....NONE FOG FOG FOG RNSHWR RNSHWR TEMP............67 64 63 62 61 60 RH..............79 85 94 100 100 100 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..12 5 5 5 5 6 MIX HGT (FT)....300 300 300 300 300 300 MIX HGT (M).....90 90 90 90 90 90 TRANSP WIND DIR.S S S S S S TRANSP WIND SPD.9 9 9 9 9 9 TRANS SPD (M/S).4 4 4 4 4 4 DISPERSION......5 6 6 6 6 9 LVORI...........4 5 6 5 4 4 CWR.............0 0 0 20 50 50 .WEDNESDAY... SKY/WEATHER.........CLOUDY (90-100 PERCENT). PERIODS OF RAIN SHOWERS IN THE MORNING...THEN SCATTERED RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 55. MIN HUMIDITY........82 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 7 TO 8 MPH SHIFTING TO THE NORTH 8 TO 10 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......300 FT AGL INCREASING TO 2100-2300 FT AGL UNTIL LATE AFTERNOON...THEN DECREASING TO 2000 FT AGL LATE IN THE AFTERNOON DECREASING TO 300 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........WEST 10 TO 13 MPH SHIFTING TO THE NORTH 12 TO 15 MPH IN THE LATE MORNING AND AFTERNOON...THEN DECREASING TO AROUND 10 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....10 INCREASING TO 26...THEN DECREASING TO 5 LATE IN THE AFTERNOON. LVORI...............4 DECREASING TO 3 LATE IN THE AFTERNOON...THEN INCREASING TO 5 LATE IN THE AFTERNOON. $$ FORECASTER...MOB FORECASTER REQUESTED BY...BUZZ WILLIAMS TYPE OF REQUEST...PRESCRIBED .TAG 20090127.DESOT.03/MOB