FNUS74 KMOB 132045 FWSMOB SPOT FORECAST FOR DESOTO 1357...USDA FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 345 PM CDT MON MAY 13 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 13. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A DRY AIRMASS HAS SETTLED OVER THE REGION TODAY AS HIGH PRESSURE CONTINUES TO BUILD TOWARD THE NORTHERN GULF OF MEXICO. NO SIGNIFICANT CHANGES WERE MADE TO THE PREVIOUS FORECAST. LIGHT NORTH WINDS THIS AFTERNOON WILL BECOME LIGHT AND VARIABLE. ANOTHER AFTERNOON OF LOW RELATIVE HUMIDITY IS EXPECTED TUESDAY. FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG CANNOT BE RULED OUT TONIGHT IN RIVER VALLEYS...LOW LYING AND OTHER FOG PRONE AREAS WITH VISIBILITIES REDUCED TO THREE MILES. .REST OF TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........NORTH WINDS AROUND 5 MPH LATE IN THE AFTERNOON BECOMING LIGHT. MIXING HEIGHT.......5600 FT AGL. MIXING WINDS........NORTH AROUND 14 MPH. DISPERSION INDEX....AROUND 78 THIS AFTERNOON. LVORI...............1. TIME (CDT) 3 PM 5 PM SKY (%)...........6 6 WEATHER COV....... WEATHER TYPE......NONE NONE TEMP..............80 79 RH................28 28 20 FT WIND DIR....N N 20 FT WIND SPD....4 5 20 FT WIND GUST... MIX HGT (FT)......5600 5400 MIX HGT (M).......1700 1640 TRANSP WIND DIR...NE N TRANSP WIND SPD...14 13 TRANS SPD (M/S)...6 6 DISPERSION........78 74 LVORI.............1 1 CWR...............0 0 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 50. MAX HUMIDITY........85 PERCENT. WIND (20 FT)........LIGHT WINDS. MIXING HEIGHT.......DECREASING TO 100-200 FT AGL. MIXING WINDS........BECOMING LIGHT AND VARIABLE. DISPERSION INDEX....DECREASING TO 2. LVORI...............INCREASING TO 4. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........6 9 9 9 11 11 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE NONE TEMP..............77 70 61 57 54 53 RH................32 38 58 70 74 75 20 FT WIND DIR....NE N SW SW SW NE 20 FT WIND SPD....5 2 1 1 1 1 20 FT WIND GUST... MIX HGT (FT)......6200 200 200 200 100 200 MIX HGT (M).......1890 60 60 60 30 60 TRANSP WIND DIR...N NE SE SE SW W TRANSP WIND SPD...13 2 3 3 3 3 TRANS SPD (M/S)...6 1 1 1 1 1 DISPERSION........79 1 1 1 2 2 LVORI.............1 2 3 3 3 4 CWR...............0 0 0 0 0 0 .TUESDAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 84. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 8 MPH IN THE AFTERNOON. MIXING HEIGHT.......200 FT AGL INCREASING TO AROUND 6000 FT AGL IN THE AFTERNOON. MIXING WINDS........WEST 3 TO 5 MPH SHIFTING TO THE SOUTHWEST AROUND 8 MPH IN THE AFTERNOON. DISPERSION INDEX....INCREASING TO AROUND 35. LVORI...............DECREASING TO 1. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........11 15 15 15 18 18 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE NONE TEMP..............53 60 76 81 83 83 RH................75 62 37 30 28 31 20 FT WIND DIR....NE SE S S S S 20 FT WIND SPD....1 0 4 4 6 7 20 FT WIND GUST... MIX HGT (FT)......200 200 3800 3800 6000 3900 MIX HGT (M).......60 60 1160 1160 1820 1190 TRANSP WIND DIR...W W W W SW SW TRANSP WIND SPD...3 3 3 3 6 8 TRANS SPD (M/S)...1 1 1 1 2 4 DISPERSION........2 3 17 17 36 32 LVORI.............4 3 2 2 1 1 CWR...............0 0 0 0 0 0 $$ FORECASTER...21 REQUESTED BY...JAY BOYKIN TYPE OF REQUEST...PRESCRIBED .TAG 20130513.DESOT.02/MOB