FNUS74 KMOB 201217 FWSMOB SPOT FORECAST FOR C56...US FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 717 AM CDT FRI APR 20 2012 FORECAST IS BASED ON REQUEST TIME OF 0704 CDT ON APRIL 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A WEAK...STATIONARY FRONT OVER THE SOUTHEAST RESULTS IN A LIGHT WEST TO SOUTHWEST FLOW TODAY AND TONIGHT. SCATTERED SHOWERS DEVELOP SATURDAY AS A STRONG COLD FRONT APPROACHES. WIND SHIFT WITH THE FRONT EXPECTED BY LATE SATURDAY MORNING WITH AN INCREASE IN NORTHWEST WINDS IN ITS WAKE. MUCH DRIER WEATHER PATTERN FILTERS IN ON SUNDAY. FOG POTENTIAL AND OTHER REMARKS...LIGHT PATCHY FOG IS POSSIBLE TONIGHT AND SATURDAY NIGHT. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 83. MIN HUMIDITY........44 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 7 MPH EARLY IN THE MORNING. MIXING HEIGHT.......100 FT AGL INCREASING TO 4100-4300 FT AGL. MIXING WINDS........SOUTHWEST AROUND 5 MPH SHIFTING TO THE SOUTHEAST AROUND 3 MPH EARLY IN THE MORNING...THEN SHIFTING TO THE SOUTH 3 TO 7 MPH IN THE LATE MORNING AND EARLY AFTERNOON INCREASING TO 10 TO 14 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....10 INCREASING TO 35. LVORI...............6 DECREASING TO 1. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%)...........50 50 50 57 57 57 WEATHER COV.......PATCHY WEATHER TYPE......FOG NONE NONE NONE NONE NONE TEMP..............63 70 77 81 83 82 RH................87 67 53 47 44 46 20 FT WIND DIR....W SW SW SW SW SW 20 FT WIND SPD....3 4 5 5 6 6 20 FT WIND GUST... 12 MIX HGT (FT)......1100 3000 3700 4100 4300 4200 MIX HGT (M).......340 910 1130 1250 1310 1280 TRANSP WIND DIR...SE SW SW SE S S TRANSP WIND SPD...3 3 3 3 10 14 TRANS SPD (M/S)...1 1 1 1 4 6 DISPERSION........5 13 15 10 30 39 LVORI.............5 3 2 2 2 1 CWR...............10 10 10 10 10 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). MIN TEMPERATURE.....AROUND 57. MAX HUMIDITY........94 PERCENT. WIND (20 FT)........SOUTHWEST WINDS 5 TO 7 MPH UNTIL EARLY MORNING BECOMING LIGHT. MIXING HEIGHT.......4000 FT AGL DECREASING TO 200-300 FT AGL. MIXING WINDS........SOUTHWEST 10 TO 14 MPH DECREASING TO AROUND 3 MPH. DISPERSION INDEX....38 DECREASING TO 3. LVORI...............1 INCREASING TO 7. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........57 57 57 57 66 66 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE NONE TEMP..............80 73 64 61 60 59 RH................48 61 82 88 91 94 20 FT WIND DIR....SW S SW SW SW S 20 FT WIND SPD....6 6 5 5 4 3 20 FT WIND GUST...12 MIX HGT (FT)......4000 300 300 300 200 200 MIX HGT (M).......1220 90 90 90 60 60 TRANSP WIND DIR...SW SW SW SW SW SW TRANSP WIND SPD...14 12 10 8 6 5 TRANS SPD (M/S)...6 5 4 4 3 2 DISPERSION........38 10 7 5 4 2 LVORI.............1 2 4 5 6 6 CWR...............10 10 10 10 10 10 .SATURDAY... SKY/WEATHER.........MOSTLY CLOUDY (65-75 PERCENT). CHANCE OF RAIN SHOWERS AND ISOLATED THUNDERSTORMS. MAX TEMPERATURE.....AROUND 76. MIN HUMIDITY........54 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 8 MPH LATE IN THE MORNING...THEN SHIFTING TO THE NORTHWEST 9 TO 10 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......100 FT AGL INCREASING TO 3200-3400 FT AGL. MIXING WINDS........SOUTHWEST 3 TO 7 MPH SHIFTING TO THE NORTHWEST 6 TO 10 MPH IN THE LATE MORNING AND EARLY AFTERNOON...THEN INCREASING TO NORTH 13 TO 14 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....6 INCREASING TO 30. LVORI...............7 DECREASING TO 1. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........66 57 57 57 83 83 WEATHER COV....... CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE......NONE RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP..............59 61 68 71 73 73 RH................94 85 67 59 55 54 20 FT WIND DIR....S S W NW NW NW 20 FT WIND SPD....2 4 5 8 9 9 20 FT WIND GUST... 15 17 16 MIX HGT (FT)......100 2400 2800 3100 3300 3300 MIX HGT (M).......30 730 850 940 1010 1010 TRANSP WIND DIR...SW SW SW W NW N TRANSP WIND SPD...2 5 8 6 7 13 TRANS SPD (M/S)...1 2 4 3 3 6 DISPERSION........2 10 19 14 17 32 LVORI.............7 4 3 2 2 1 CWR...............10 30 30 30 40 40 $$ FORECASTER...10 REQUESTED BY...US FOREST SERVICE TYPE OF REQUEST...WILDFIRE .TAG 20120420.C56__.01/MOB