FNUS74 KMOB 211334 FWSMOB SPOT FORECAST FOR DESOTO 0864...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 734 AM CST SUN FEB 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON FEBRUARY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...AS A SYSTEM OVER THE SOUTHERN PLAINS MOVES TOWARDS THE AREA TODAY INTO TONIGHT...MOISTURE LEVELS WILL BE ON THE INCREASE AS SOUTHERLY FLOW BECOMES RE-ESTABLISHED. THE NORTHEASTERN QUARTER OF THE AREA MAY SEE RELATIVE HUMIDITY VALUES DROPPING BELOW 35 PERCENT...BUT MOST OF THE AREA IS EXPECTED TO REMAIN ABOVE 35 PERCENT. ISOLATED SHOWERS THIS MORNING WILL GRADUALLY INCREASE IN COVERAGE THROUGH THE DAY...BECOMING WIDESPREAD SHOWERS AND THUNDERSTORMS LATER TONIGHT. LIGHT FOG WILL DEVELOP THIS EVENING AND PERSIST INTO MONDAY MORNING. A ROUND OF RAIN WILL COME TO THE AREA TONIGHT INTO MONDAY AHEAD AND WITH A WEAK FRONT MOVING OVER THE AREA MONDAY. A DRIER AIR MASS WILL MOVE OVER THE AREA MONDAY NIGHT INTO TUESDAY...WITH AFTERNOON RELATIVE HUMIDITY VALUES FALLING INTO THE 30 TO 35 PERCENT RANGE UNDER LIGHT NORTHERLY FLOW. FOG DEVELOPMENT IS NOT EXPECTED MONDAY NIGHT. .TODAY... TIME (CST) 10 AM NOON 2 PM 4 PM SKY (%)...........71 88 88 88 WEATHER COV.......CHANCE CHANCE CHANCE CHANCE WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR TEMP..............55 60 63 64 RH................79 67 67 68 20 FT WIND DIR....SE SE SE SE 20 FT WIND SPD....7 8 9 9 MIX HGT (FT)......1600 2400 2100 1800 MIX HGT (M).......490 730 640 550 TRANSP WIND DIR...SE SE SE SE TRANSP WIND SPD...13 14 16 15 TRANS SPD (M/S)...6 6 7 7 DISPERSION........26 29 32 28 LVORI.............3 3 1 3 CWR...............40 40 40 40 .TONIGHT... TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........90 90 90 90 90 90 WEATHER COV.......CHANCE CHANCE CHANCE DEFNTE DEFNTE DEFNTE WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP..............61 59 57 56 55 55 RH................80 89 96 98 100 100 20 FT WIND DIR....SE SE S S W W 20 FT WIND SPD....8 6 5 4 4 4 MIX HGT (FT)......1200 700 400 300 200 100 MIX HGT (M).......370 210 120 90 60 30 TRANSP WIND DIR...SE S S S W W TRANSP WIND SPD...14 12 9 8 8 8 TRANS SPD (M/S)...6 5 4 4 4 4 DISPERSION........19 10 6 5 6 5 LVORI.............3 5 6 9 9 9 CWR...............50 50 50 80 80 80 .MONDAY... TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........78 78 78 66 66 66 WEATHER COV.......CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP..............53 55 61 67 67 65 RH................100 100 86 67 63 62 20 FT WIND DIR....W NW NW NW W W 20 FT WIND SPD....3 4 5 5 5 5 MIX HGT (FT)......100 800 1500 2200 2600 2700 MIX HGT (M).......30 240 460 670 790 820 TRANSP WIND DIR...W W NW NW NW NW TRANSP WIND SPD...7 8 9 9 9 9 TRANS SPD (M/S)...3 4 4 4 4 4 DISPERSION........3 9 14 18 21 20 LVORI.............9 8 4 3 2 2 CWR...............50 50 50 30 30 30 $$ FORECASTER...MOB FORECASTER REQUESTED BY...EDDIE BAGGETT TYPE OF REQUEST...PRESCRIBED .TAG 20100221.DESOT.01/MOB