FNUS74 KMOB 021239 FWSMOB SPOT FORECAST FOR 907D...E.N.R. NATIONAL WEATHER SERVICE MOBILE AL 739 AM CDT TUE APR 2 2013 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 02. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SURFACE HIGH PRESSURE WILL CONTINUE TO BUILD INTO THE REGION FROM THE NORTH...WHICH WILL RESULT IN A LIGHT EASTERLY WIND FLOW PATTERN THROUGH TUESDAY AFTERNOON. LOW PRESSURE WILL DEEPEN OVER THE SOUTHWESTERN GULF OF MEXICO WEDNESDAY...AND WILL THEN LIFT TOWARD THE GULF COAST REGION THURSDAY. RAIN CHANCES WILL SUBSEQUENTLY INCREASE ACROSS OUR AREA WEDNESDAY AND THURSDAY. AFTERNOON RELATIVE HUMIDITY VALUES WILL REMAIN ABOVE CRITICAL LEVELS THROUGH THURSDAY. FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG WILL BE POSSIBLE ACROSS THE REGION THROUGH MID WEEK. VISIBILITIES COULD BE REDUCED TO 3 TO 5 MILES TONIGHT...AND BETWEEN ONE TO TWO MILES WEDNESDAY NIGHT. THE FOG MAY BECOME LOCALLY DENSE IN SPOTS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT). PATCHY DENSE FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 78. MIN HUMIDITY........40 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 5 TO 8 MPH. MIXING HEIGHT.......200-300 FT AGL INCREASING TO 4200 FT AGL LATE IN THE MORNING...THEN INCREASING TO 5800 FT AGL EARLY IN THE AFTERNOON DECREASING TO 4800 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........NORTHEAST 4 TO 6 MPH INCREASING TO SOUTH 9 TO 13 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....4 INCREASING TO 55 LATE IN THE MORNING...THEN DECREASING TO 44 IN THE AFTERNOON. LVORI...............7 DECREASING TO 1. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%)...........36 36 31 31 48 WEATHER COV.......PATCHY WEATHER TYPE......FOG NONE NONE NONE NONE TEMP..............65 74 76 77 76 RH................60 45 41 40 43 20 FT WIND DIR....NE E SE SE S 20 FT WIND SPD....5 6 7 7 7 20 FT WIND GUST... MIX HGT (FT)......300 4200 5800 5800 4800 MIX HGT (M).......90 1280 1770 1770 1460 TRANSP WIND DIR...NE E SE SE S TRANSP WIND SPD...6 13 9 9 12 TRANS SPD (M/S)...3 6 4 4 5 DISPERSION........6 55 43 43 45 LVORI.............4 1 1 1 1 CWR...............10 10 10 10 10 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 52. MAX HUMIDITY........92 PERCENT. WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......4800 FT AGL DECREASING TO 200 FT AGL. MIXING WINDS........SOUTH AROUND 12 MPH BECOMING SOUTHEAST 6 TO 7 MPH IN THE EVENING...THEN DECREASING TO AROUND 2 MPH AFTER MIDNIGHT SHIFTING TO THE NORTHEAST AROUND 3 MPH EARLY IN THE MORNING. DISPERSION INDEX....45 DECREASING TO 5. LVORI...............1 INCREASING TO 7. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........48 51 51 51 71 71 WEATHER COV....... S CHC S CHC WEATHER TYPE......NONE NONE NONE NONE RNSHWR RNSHWR TEMP..............74 68 62 58 55 54 RH................49 61 77 85 90 91 20 FT WIND DIR....S S S S SE E 20 FT WIND SPD....7 6 4 4 2 2 20 FT WIND GUST... MIX HGT (FT)......4800 1900 600 600 200 200 MIX HGT (M).......1460 580 180 180 60 60 TRANSP WIND DIR...S S SE SE SE NE TRANSP WIND SPD...12 7 6 6 2 3 TRANS SPD (M/S)...5 3 3 3 1 1 DISPERSION........45 7 4 4 2 2 LVORI.............1 3 5 5 7 7 CWR...............10 10 10 10 20 20 .WEDNESDAY... SKY/WEATHER.........MOSTLY CLOUDY (80-90 PERCENT). SLIGHT CHANCE OF RAIN SHOWERS EARLY IN THE MORNING...THEN CHANCE OF RAIN SHOWERS IN THE MORNING. RAIN SHOWERS LIKELY AND SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON. MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........57 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST 5 TO 8 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON. MIXING HEIGHT.......200 FT AGL INCREASING TO 2700 FT AGL. MIXING WINDS........NORTHEAST 4 TO 6 MPH INCREASING TO EAST 12 TO 16 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....5 INCREASING TO 35. LVORI...............7 DECREASING TO 4 EARLY IN THE MORNING...THEN DECREASING TO 2 IN THE LATE MORNING AND EARLY AFTERNOON INCREASING TO 3 LATE IN THE AFTERNOON. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........71 84 84 84 95 95 WEATHER COV.......S CHC CHANCE CHANCE CHANCE LIKELY LIKELY WEATHER TYPE......RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP..............53 57 65 69 69 68 RH................92 82 62 57 58 63 20 FT WIND DIR....E NE NE NE NE E 20 FT WIND SPD....2 4 5 5 5 7 20 FT WIND GUST... MIX HGT (FT)......200 500 1800 1800 2400 2700 MIX HGT (M).......60 150 550 550 730 820 TRANSP WIND DIR...NE NE E E E E TRANSP WIND SPD...3 6 16 16 12 15 TRANS SPD (M/S)...1 3 7 7 5 7 DISPERSION........2 7 30 30 24 35 LVORI.............7 4 2 2 2 3 CWR...............20 40 40 40 60 60 $$ FORECASTER...32 REQUESTED BY...DISPATCH TYPE OF REQUEST...PRESCRIBED .TAG 20130402.907D_.01/MOB