FNUS74 KMOB 211223 FWSMOB SPOT FORECAST FOR CHICK CPT 453...U.S. FOREST SERVICE NATIONAL WEATHER SERVICE MOBILE AL 723 AM CDT TUE MAY 21 2013 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MAY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...A MOIST SOUTHERLY FLOW PATTERN WILL REMAIN IN PLACE ACROSS THE REGION TODAY AS SURFACE HIGH PRESSURE CONTINUES TO EXTEND OVER THE NORTHERN GULF OF MEXICO. AFTERNOON DISPERSIONS WILL BE GENERALLY GOOD. AN APPROACHING DISTURBANCE WILL BRING ISOLATED TO SCATTERED THUNDERSTORMS TO THE REGION WEDNESDAY. AFTERNOON RELATIVE HUMIDITY WILL REMAIN WELL ABOVE CRITICAL LEVELS WITH FAIR TO GENERALLY GOOD DISPERSIONS. FOG POTENTIAL AND OTHER REMARKS...AREAS OF DENSE FOG WILL REDUCE THE VISIBILITY TO ONE HALF MILE OR LESS ACROSS PORTIONS OF THE REGION EARLY THIS MORNING...ESPECIALLY IN SOUTHWEST AND SOUTH CENTRAL ALABAMA AND INLAND PORTIONS OF THE WESTERN FLORIDA PANHANDLE. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 90. MIN HUMIDITY........44 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTH 6 TO 8 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......300 FT AGL INCREASING TO 5600-5800 FT AGL. MIXING WINDS........SOUTH 3 TO 7 MPH INCREASING TO 9 TO 12 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....5 INCREASING TO 26 LATE IN THE MORNING...THEN INCREASING TO 73 EARLY IN THE AFTERNOON DECREASING TO 51 LATE IN THE AFTERNOON. LVORI...............9 DECREASING TO 1. TIME (CDT) 10 AM NOON 2 PM 4 PM SKY (%)...........43 43 43 43 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE TEMP..............80 86 89 89 RH................66 53 47 44 20 FT WIND DIR....S S S S 20 FT WIND SPD....5 5 6 7 20 FT WIND GUST... MIX HGT (FT)......2200 2200 5600 5800 MIX HGT (M).......670 670 1710 1770 TRANSP WIND DIR...S S S S TRANSP WIND SPD...9 9 12 12 TRANS SPD (M/S)...4 4 5 5 DISPERSION........26 26 73 51 LVORI.............2 2 1 1 CWR...............10 10 10 10 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT). PATCHY FOG AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 65. MAX HUMIDITY........99 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH UNTIL EARLY MORNING BECOMING LIGHT. MIXING HEIGHT.......5800 FT AGL DECREASING TO 500-600 FT AGL. MIXING WINDS........SOUTH 10 TO 13 MPH DECREASING TO 7 TO 8 MPH AFTER MIDNIGHT. DISPERSION INDEX....51 DECREASING TO 5. LVORI...............1 INCREASING TO 9. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........43 46 46 46 48 48 WEATHER COV....... PATCHY PATCHY WEATHER TYPE......NONE NONE NONE NONE FOG FOG TEMP..............87 81 73 70 68 67 RH................47 57 77 89 95 96 20 FT WIND DIR....S S S S S S 20 FT WIND SPD....7 7 6 6 5 4 20 FT WIND GUST... 14 MIX HGT (FT)......5800 2400 1100 1100 500 600 MIX HGT (M).......1770 730 340 340 150 180 TRANSP WIND DIR...S S S S S S TRANSP WIND SPD...12 13 10 10 7 8 TRANS SPD (M/S)...5 6 4 4 3 4 DISPERSION........51 17 9 9 5 5 LVORI.............1 2 4 4 7 9 CWR...............10 10 10 10 10 10 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (50-60 PERCENT). PATCHY FOG EARLY IN THE MORNING. CHANCE OF THUNDERSTORMS AND SHOWERS. MAX TEMPERATURE.....AROUND 87. MIN HUMIDITY........52 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHWEST 5 TO 8 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......600-700 FT AGL INCREASING TO 2200 FT AGL LATE IN THE MORNING...THEN INCREASING TO 4600 FT AGL EARLY IN THE AFTERNOON DECREASING TO 4300 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH AROUND 8 MPH SHIFTING TO THE WEST AROUND 5 MPH LATE IN THE MORNING...THEN INCREASING TO SOUTHWEST AROUND 12 MPH EARLY IN THE AFTERNOON SHIFTING TO THE NORTHWEST AROUND 8 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....7 INCREASING TO 34 EARLY IN THE AFTERNOON...THEN DECREASING TO 23 LATE IN THE AFTERNOON. LVORI...............9 DECREASING TO 5 EARLY IN THE MORNING...THEN DECREASING TO 3 LATE IN THE MORNING DECREASING TO 1 EARLY IN THE AFTERNOON INCREASING TO 2. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........48 62 62 62 55 55 WEATHER COV.......PATCHY CHANCE CHANCE CHANCE CHANCE CHANCE WEATHER TYPE......FOG TSTORM TSTORM TSTORM TSTORM TSTORM TEMP..............66 70 79 83 85 84 RH................99 89 67 57 53 53 20 FT WIND DIR....S S SW SW SW SW 20 FT WIND SPD....4 4 5 5 7 7 20 FT WIND GUST... MIX HGT (FT)......600 700 2200 2200 4600 4300 MIX HGT (M).......180 210 670 670 1400 1310 TRANSP WIND DIR...S S W W SW NW TRANSP WIND SPD...8 8 5 5 12 8 TRANS SPD (M/S)...4 4 2 2 5 4 DISPERSION........5 9 9 9 34 23 LVORI.............9 5 3 3 1 2 CWR...............10 30 30 30 40 40 $$ FORECASTER...32 REQUESTED BY...DAVID BERENS TYPE OF REQUEST...PRESCRIBED .TAG 20130521.CHICK.01/MOB