FNUS74 KMOB 171227 FWSMOB SPOT FORECAST FOR CHICK CPT 405 407...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 727 AM CDT WED APR 17 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 17. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A MOIST SOUTHEASTERLY FLOW WILL CONTINUE OVER THE AREA THROUGH THURSDAY. SHOWERS AND THUNDERSTORMS WILL BE LIKELY THURSDAY NIGHT AND FRIDAY AS A COLD FRONT MOVES ACROSS THE REGION. COOLER AND DRIER AIR WILL MOVE INTO THE REGION THIS WEEKEND IN THE WAKE OF THE FRONTAL PASSAGE. AFTERNOON RELATIVE HUMIDITY VALUES WILL REMAIN WELL ABOVE CRITICAL LEVELS THROUGH FRIDAY...BUT MAY FALL TO THE 30-40 PERCENT RANGE BY SATURDAY AFTERNOON. AFTERNOON DISPERSIONS LOOK TO BE MOSTLY GOOD TODAY AND THURSDAY. FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG WILL CONTINUE TO BE POSSIBLE DURING THE LATE NIGHT AND EARLY MORNING HOURS THROUGH THURSDAY MORNING. FOG MAY BE LOCALLY DENSE...ESPECIALLY IN LOW LYING AREAS. .TODAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS AND SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 86. MIN HUMIDITY........54 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH AROUND 12 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......400-500 FT AGL INCREASING TO 5500-5700 FT AGL. MIXING WINDS........SOUTHEAST AROUND 3 MPH INCREASING TO SOUTH AROUND 22 MPH. DISPERSION INDEX....6 INCREASING TO 71. LVORI...............9 DECREASING TO 1. TIME (CDT) 10 AM NOON 2 PM 4 PM SKY (%)...........82 82 70 70 WEATHER COV....... S CHC S CHC WEATHER TYPE......NONE NONE TSTORM TSTORM TEMP..............75 81 84 84 RH................76 60 54 54 20 FT WIND DIR....SE SE S S 20 FT WIND SPD....8 8 10 10 20 FT WIND GUST... 18 18 MIX HGT (FT)......2300 2300 5500 5700 MIX HGT (M).......700 700 1680 1740 TRANSP WIND DIR...SE SE S S TRANSP WIND SPD...14 14 18 22 TRANS SPD (M/S)...6 6 8 10 DISPERSION........28 28 59 71 LVORI.............3 3 1 1 CWR...............10 10 20 20 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF THUNDERSTORMS AND SHOWERS EARLY IN THE EVENING. PATCHY FOG AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 64. MAX HUMIDITY........90 PERCENT. WIND (20 FT)........SOUTH WINDS 9 TO 12 MPH SHIFTING TO THE SOUTHEAST 7 TO 8 MPH IN THE LATE EVENING AND OVERNIGHT. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS EARLY IN THE EVENING. MIXING HEIGHT.......5700 FT AGL DECREASING TO 500-600 FT AGL. MIXING WINDS........SOUTH AROUND 22 MPH BECOMING SOUTHEAST 13 TO 17 MPH. DISPERSION INDEX....71 DECREASING TO 16. LVORI...............1 INCREASING TO 3 EARLY IN THE EVENING...THEN INCREASING TO 4 LATE IN THE EVENING INCREASING TO 5 AFTER MIDNIGHT DECREASING TO 4. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........70 60 60 60 53 53 WEATHER COV.......S CHC PATCHY PATCHY WEATHER TYPE......TSTORM NONE NONE NONE FOG FOG TEMP..............81 76 70 68 66 65 RH................61 72 84 88 90 88 20 FT WIND DIR....S S S S SE SE 20 FT WIND SPD....10 8 7 7 6 6 20 FT WIND GUST...18 MIX HGT (FT)......5700 2000 1500 1500 600 500 MIX HGT (M).......1740 610 460 460 180 150 TRANSP WIND DIR...S S SE SE SE SE TRANSP WIND SPD...22 15 17 17 13 14 TRANS SPD (M/S)...10 7 8 8 6 6 DISPERSION........71 20 19 19 11 12 LVORI.............1 3 4 4 5 4 CWR...............20 10 10 10 10 10 .THURSDAY... SKY/WEATHER.........PARTLY SUNNY (55-65 PERCENT). PATCHY FOG EARLY IN THE MORNING. SLIGHT CHANCE OF THUNDERSTORMS AND SHOWERS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 84. MIN HUMIDITY........57 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 7 MPH INCREASING TO SOUTH AROUND 16 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........53 66 66 66 59 59 WEATHER COV.......PATCHY S CHC S CHC WEATHER TYPE......FOG NONE NONE NONE TSTORM TSTORM TEMP..............65 68 75 80 82 82 RH................86 85 72 60 57 60 20 FT WIND DIR....SE SE SE SE S S 20 FT WIND SPD....6 6 10 10 14 15 20 FT WIND GUST... 18 18 23 24 CWR...............10 10 10 10 20 20 $$ FORECASTER...32 REQUESTED BY...DAVID BERENS TYPE OF REQUEST...PRESCRIBED .TAG 20130417.CHICK.01/MOB