FNUS74 KMOB 211336 FWSMOB SPOT FORECAST FOR DESOTO BLOCK 318...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 736 AM CST THU FEB 21 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON FEBRUARY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. ...WIND ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... .DISCUSSION...MOISTURE LEVELS WILL RAPIDLY INCREASE TODAY WITH LIGHT EASTERLY WINDS BECOMING SOUTHEAST AROUND 15 MPH BY MIDDAY. DRY CONDITIONS CONTINUE DURING THE MORNING...THEN SHOWERS AND THUNDERSTORMS BECOME LIKELY THIS AFTERNOON WITH PERIODS OF SHOWERS AND THUNDERSTORMS EXPECTED TONIGHT THROUGH FRIDAY NIGHT WITH LOCALLY HEAVY RAINFALL POSSIBLE. THE RAIN TAPERS OFF AND ENDS ON SATURDAY MORNING. FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG LIKELY LATER TONIGHT WITH VISIBILITIES REDUCED TO BETWEEN ONE TO THREE MILES. .TODAY... SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT) THEN BECOMING CLOUDY (90-100 PERCENT). SCATTERED RAIN SHOWERS EARLY IN THE AFTERNOON. NUMEROUS RAIN SHOWERS AND ISOLATED THUNDERSTORMS LATE IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 68. MIN HUMIDITY........57 PERCENT. WIND (20 FT)........EAST WINDS AROUND 6 MPH INCREASING TO AROUND 10 MPH LATE IN THE MORNING...THEN INCREASING TO SOUTHEAST IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS LATE IN THE AFTERNOON. MIXING HEIGHT.......400 FT AGL INCREASING TO 2600-2800 FT AGL. MIXING WINDS........EAST AROUND 5 MPH INCREASING TO SOUTHEAST 26 TO 28 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN DECREASING TO AROUND 23 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....8 INCREASING TO 57. LVORI...............4 DECREASING TO 1 IN THE LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO 3 LATE IN THE AFTERNOON. TIME (CST) 10 AM NOON 2 PM 4 PM SKY (%)...........66 93 93 93 WEATHER COV....... SCTTRD SCTTRD NUMRUS WEATHER TYPE......NONE RNSHWR RNSHWR RNSHWR TEMP..............58 65 67 67 RH................62 59 67 74 20 FT WIND DIR....E SE SE SE 20 FT WIND SPD....9 14 14 14 20 FT WIND GUST...16 22 22 24 MIX HGT (FT)......1600 2600 2600 2800 MIX HGT (M).......490 790 790 850 TRANSP WIND DIR...E SE SE SE TRANSP WIND SPD...26 28 28 23 TRANS SPD (M/S)...12 13 13 10 DISPERSION........45 61 61 53 LVORI.............1 1 1 3 CWR...............10 40 40 60 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). WIDESPREAD THUNDERSTORMS AND SHOWERS IN THE EVENING...THEN NUMEROUS THUNDERSTORMS AND SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 61. MAX HUMIDITY........88 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 14 MPH BECOMING EAST AROUND 6 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......600 FT AGL DECREASING TO 300 FT AGL AFTER MIDNIGHT. MIXING WINDS........SOUTHEAST 17 TO 20 MPH BECOMING SOUTH AROUND 9 MPH. DISPERSION INDEX....15 DECREASING TO 6 EARLY IN THE MORNING. LVORI...............3 INCREASING TO 5. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........99 99 99 86 86 86 WEATHER COV.......WIDSPD WIDSPD WIDSPD NUMRUS NUMRUS NUMRUS WEATHER TYPE......TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP..............66 66 66 66 65 65 RH................79 81 82 85 85 87 20 FT WIND DIR....SE SE SE S S E 20 FT WIND SPD....12 12 9 7 7 5 20 FT WIND GUST...22 22 17 MIX HGT (FT)......600 600 600 300 300 300 MIX HGT (M).......180 180 180 90 90 90 TRANSP WIND DIR...SE SE SE S S S TRANSP WIND SPD...20 20 17 14 14 9 TRANS SPD (M/S)...9 9 8 6 6 4 DISPERSION........18 18 16 12 12 6 LVORI.............3 3 4 4 4 5 CWR...............90 90 90 70 70 70 .FRIDAY... SKY/WEATHER.........CLOUDY (90-100 PERCENT). WIDESPREAD THUNDERSTORMS AND SHOWERS. MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........68 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 6 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......200 FT AGL INCREASING TO 1600 FT AGL LATE IN THE MORNING...THEN INCREASING TO 3000 FT AGL EARLY IN THE AFTERNOON DECREASING TO 2200 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH AROUND 6 MPH INCREASING TO AROUND 18 MPH LATE IN THE MORNING...THEN DECREASING TO AROUND 7 MPH IN THE AFTERNOON. DISPERSION INDEX....7 INCREASING TO 31 LATE IN THE MORNING...THEN DECREASING TO 17 IN THE AFTERNOON. LVORI...............5 DECREASING TO 3 IN THE LATE MORNING AND AFTERNOON. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........95 95 95 97 97 97 WEATHER COV.......WIDSPD WIDSPD WIDSPD WIDSPD WIDSPD WIDSPD WEATHER TYPE......TSTORM TSTORM TSTORM TSTORM TSTORM TSTORM TEMP..............64 65 68 71 71 70 RH................88 85 77 69 69 71 20 FT WIND DIR....NE NE E E E E 20 FT WIND SPD....4 4 4 5 5 5 20 FT WIND GUST... MIX HGT (FT)......200 200 1600 3000 3000 2200 MIX HGT (M).......60 60 490 910 910 670 TRANSP WIND DIR...S S S S S S TRANSP WIND SPD...6 6 18 7 7 7 TRANS SPD (M/S)...3 3 8 3 3 3 DISPERSION........7 7 31 18 18 15 LVORI.............5 5 3 3 3 3 CWR...............90 90 90 90 90 90 $$ FORECASTER...29 REQUESTED BY...BOBBY ISER TYPE OF REQUEST...PRESCRIBED .TAG 20130221.DESOT.01/MOB