FNUS74 KMOB 262023 FWSMOB SPOT FORECAST FOR DESOTO BLOCK 13201...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 323 PM CDT FRI APR 26 2013 FORECAST IS BASED ON IGNITION TIME OF 1540 CDT ON APRIL 26. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...LIGHT EAST TO SOUTHEAST TRANSPORT FLOW WILL BEGIN BRINGING MOISTURE LEVELS UP ACROSS THE PROJECT SITE THROUGH TONIGHT. WE EXPECT INCREASING CLOUDS WITH CEILINGS AROUND 3500 FT TO OVERSPREAD THE BURN LOCATION THIS EVENING AND OVERNIGHT...WITH THE POTENTIAL FOR PATCHY FOG LATE TONIGHT INTO SATURDAY MORNING. RAIN CHANCES INCREASE ON SATURDAY AND SIGNIFICANTLY INCREASE SATURDAY NIGHT INTO SUNDAY. FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG IS POSSIBLE LATE TONIGHT INTO EARLY SATURDAY. CONFIDENCE IN FOG FORMATION IS NOT HIGH AS THE POTENTIAL FOR LOW CLOUDCOVER IS EXPECTED TO HELP KEEP THE DENSE FOG GENERATION FROM BEING WIDESPREAD. .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). PATCHY FOG AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 58. MAX HUMIDITY........96 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......2700 FT AGL DECREASING TO 200-300 FT AGL. MIXING WINDS........SOUTHEAST AROUND 13 MPH DECREASING TO 5 TO 9 MPH. DISPERSION INDEX....38 DECREASING TO 4. LVORI...............1 INCREASING TO 6. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........59 60 60 60 78 78 WEATHER COV....... PATCHY PATCHY WEATHER TYPE......NONE NONE NONE NONE FOG FOG TEMP..............78 71 66 64 62 61 RH................37 57 73 76 81 87 20 FT WIND DIR....SE S S S S SE 20 FT WIND SPD....6 5 4 4 3 3 20 FT WIND GUST...13 MIX HGT (FT)......2700 300 300 300 200 300 MIX HGT (M).......820 90 90 90 60 90 TRANSP WIND DIR...SE S S S S SE TRANSP WIND SPD...13 9 7 7 5 5 TRANS SPD (M/S)...6 4 3 3 2 2 DISPERSION........38 6 5 5 2 2 LVORI.............1 3 4 4 5 6 CWR...............0 0 0 0 10 10 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS AND RAIN SHOWERS LATE IN THE MORNING. CHANCE OF THUNDERSTORMS AND RAIN SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 82. MIN HUMIDITY........52 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 6 TO 9 MPH IN THE LATE MORNING AND AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......300 FT AGL INCREASING TO 2700 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5100 FT AGL EARLY IN THE AFTERNOON DECREASING TO 2900 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........EAST 3 TO 5 MPH INCREASING TO SOUTHEAST AROUND 9 MPH LATE IN THE MORNING...THEN INCREASING TO SOUTH 14 TO 15 MPH IN THE AFTERNOON. DISPERSION INDEX....2 INCREASING TO 39. LVORI...............6 DECREASING TO 1. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........78 68 68 68 72 72 WEATHER COV.......PATCHY S CHC S CHC CHANCE CHANCE WEATHER TYPE......FOG NONE TSTORM TSTORM TSTORM TSTORM TEMP..............59 63 73 78 82 82 RH................93 86 69 60 54 52 20 FT WIND DIR....SE E S S S S 20 FT WIND SPD....3 2 5 5 8 8 20 FT WIND GUST... 16 16 MIX HGT (FT)......300 300 2700 2700 5100 2900 MIX HGT (M).......90 90 820 820 1550 880 TRANSP WIND DIR...SE E SE SE S S TRANSP WIND SPD...5 2 9 9 14 15 TRANS SPD (M/S)...2 1 4 4 6 7 DISPERSION........2 2 21 21 43 35 LVORI.............6 6 3 3 1 1 CWR...............10 10 20 20 30 30 $$ FORECASTER...5 REQUESTED BY...RODNEY LANDRUM TYPE OF REQUEST...PRESCRIBED .TAG 20130426.DESOT.02/MOB