FNUS74 KMOB 061323 FWSMOB SPOT FORECAST FOR DESOTO BLOCK 208...USFS NATIONAL WEATHER SERVICE MOBILE AL 723 AM CST WED MAR 6 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CST ON MARCH 06. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A STRONG HIGH PRESSURE SYSTEM BUILDS IN FROM THE WEST TODAY. RESULT IS A STRONG SUBSIDENCE INVERSION...KEEPING MIXED LAYERS AROUND 3400 FEET AT BURN LOCATION WHILE A MODERATE TO STRONG NORTHWEST MIXED LAYER FLOW MAKES FOR GOOD DISPERSION. LOWEST HUMIDITY TODAY...JUST BELOW 30 PERCENT. AS AXIS OF THE LARGE SURFACE HIGH EXPANDS EASTWARD FROM THE UPPER MIDWEST DOWN INTO THE GULF...MIXED LAYER NORTHERLY FLOW WEAKENS RESULTING IN FAIR DISPERSION ON THURSDAY. LOWEST HUMIDITY ON THURSDAY SIMILAR AS THAT OF TODAY. FOG POTENTIAL AND OTHER REMARKS...FOG NOT EXPECTED IN THE NEAR TERM. .TODAY... SKY/WEATHER.........SUNNY (5-15 PERCENT). MAX TEMPERATURE.....AROUND 58. MIN HUMIDITY........29 PERCENT. WIND (20 FT)........NORTHWEST WINDS INCREASING TO 12 TO 15 MPH. GUSTS 20 TO 25 MPH. MIXING HEIGHT.......INCREASING TO 3400 FT AGL. MIXING WINDS........NORTHWEST 25 TO 28 MPH. DISPERSION INDEX....INCREASING TO 71. (GOOD). LVORI...............1. TIME (CST) 10 AM NOON 2 PM 4 PM SKY (%)...........1 1 1 17 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE TEMP..............50 55 58 56 RH................38 31 29 31 20 FT WIND DIR....NW NW NW NW 20 FT WIND SPD....14 14 14 12 20 FT WIND GUST...25 23 23 21 MIX HGT (FT)......2200 3400 3400 3400 MIX HGT (M).......670 1040 1040 1040 TRANSP WIND DIR...NW NW NW NW TRANSP WIND SPD...25 28 28 28 TRANS SPD (M/S)...11 13 13 13 DISPERSION........52 71 71 71 LVORI.............1 1 1 1 CWR...............0 0 0 0 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (15-25 PERCENT). MIN TEMPERATURE.....AROUND 31. MAX HUMIDITY........88 PERCENT. WIND (20 FT)........NORTHWEST WINDS 4 TO 7 MPH IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......1800 FT AGL DECREASING TO 300 FT AGL. MIXING WINDS........NORTHWEST AROUND 18 MPH BECOMING NORTH 7 TO 10 MPH IN THE LATE EVENING AND OVERNIGHT. DISPERSION INDEX....12 DECREASING TO 3. (BECOMING VERY POOR). LVORI...............2 INCREASING TO 5. TIME (CST) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........20 20 20 20 20 20 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE NONE TEMP..............49 43 40 37 35 33 RH................45 59 69 74 80 84 20 FT WIND DIR....NW NW NW NW NW NW 20 FT WIND SPD....6 6 4 3 3 2 20 FT WIND GUST... MIX HGT (FT)......1800 1800 1000 300 300 300 MIX HGT (M).......550 550 300 90 90 90 TRANSP WIND DIR...NW NW N N N N TRANSP WIND SPD...18 18 10 7 7 7 TRANS SPD (M/S)...8 8 4 3 3 3 DISPERSION........12 12 5 3 3 3 LVORI.............2 2 3 4 4 5 CWR...............0 0 0 0 0 0 .THURSDAY... SKY/WEATHER.........SUNNY (15-25 PERCENT). MAX TEMPERATURE.....AROUND 64. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........LIGHT NORTHWEST WINDS BECOMING NORTH AROUND 5 MPH IN THE AFTERNOON. MIXING HEIGHT.......INCREASING TO 3100 FT AGL. MIXING WINDS........NORTH 8 TO 9 MPH. DISPERSION INDEX....INCREASING TO 34. (FAIR). LVORI...............4 DECREASING TO 1. TIME (CST) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........22 22 22 22 22 22 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE NONE TEMP..............31 40 53 60 63 62 RH................88 67 42 32 29 31 20 FT WIND DIR....NW NW N N N N 20 FT WIND SPD....2 2 4 5 5 5 20 FT WIND GUST... MIX HGT (FT)......300 300 1700 3100 3100 3100 MIX HGT (M).......90 90 520 940 940 940 TRANSP WIND DIR...N N N N N N TRANSP WIND SPD...9 9 8 9 9 9 TRANS SPD (M/S)...4 4 4 4 4 4 DISPERSION........9 9 17 34 34 33 LVORI.............4 4 2 1 1 1 CWR...............0 0 0 0 0 0 $$ FORECASTER...10 REQUESTED BY...BOBBY ISER TYPE OF REQUEST...PRESCRIBED .TAG 20130306.DESOT.02/MOB