FNUS74 KMOB 161121 FWSMOB SPOT FORECAST FOR JACKSON GUARD 508...E.N.R. NATIONAL WEATHER SERVICE MOBILE AL 621 AM CDT TUE APR 16 2013 FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 16. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MOIST SOUTHEASTERLY FLOW WILL CONTINUE OVER THE AREA THROUGH THURSDAY...KEEPING RELATIVE HUMIDITY VALUES WELL ABOVE CRITICAL LEVELS. A COLD FRONT WILL MOVE THROUGH THE REGION LATE THURSDAY NIGHT AND FRIDAY...AND WILL BRING A GOOD CHANCE OF SHOWERS AND THUNDERSTORMS TO THE REGION DURING THIS TIME FRAME. COOLER AND DRIER AIRMASS WILL ARRIVE BEHIND THE FRONT LATE FRIDAY INTO THIS WEEKEND. FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG WILL CONTINUE TO BE POSSIBLE DURING THE LATE NIGHT AND EARLY MORNING HOURS THROUGH THURSDAY. FOG MAY BE LOCALLY DENSE...ESPECIALLY IN LOW LYING AREAS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT). AREAS OF FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........69 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST AROUND 7 MPH EARLY IN THE MORNING...THEN INCREASING TO 12 TO 14 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......400-500 FT AGL INCREASING TO 2600-2800 FT AGL IN THE LATE MORNING AND AFTERNOON. MIXING WINDS........SOUTHEAST 8 TO 10 MPH INCREASING TO SOUTH 13 TO 15 MPH IN THE LATE MORNING AND AFTERNOON. DISPERSION INDEX....10 INCREASING TO 31 IN THE LATE MORNING AND AFTERNOON. LVORI...............8 DECREASING TO 3. TIME (CDT) 11 AM 1 PM 3 PM 5 PM SKY (%)...........52 53 53 53 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE TEMP..............78 79 79 78 RH................71 69 70 73 20 FT WIND DIR....SE SE SE SE 20 FT WIND SPD....10 12 12 11 20 FT WIND GUST...17 21 21 20 MIX HGT (FT)......2800 2600 2600 2600 MIX HGT (M).......850 790 790 790 TRANSP WIND DIR...SE SE SE S TRANSP WIND SPD...14 15 15 13 TRANS SPD (M/S)...6 7 7 6 DISPERSION........32 33 33 28 LVORI.............3 3 3 3 CWR...............0 10 10 10 .TONIGHT... SKY/WEATHER.........MOSTLY CLOUDY (50-60 PERCENT) THEN BECOMING PARTLY CLOUDY (45-55 PERCENT) THEN BECOMING MOSTLY CLOUDY (50-60 PERCENT). PATCHY FOG AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 66. MAX HUMIDITY........99 PERCENT. WIND (20 FT)........SOUTHEAST WINDS 10 TO 13 MPH DECREASING TO 7 TO 9 MPH IN THE LATE EVENING AND OVERNIGHT. MIXING HEIGHT.......2600 FT AGL DECREASING TO 300-400 FT AGL. MIXING WINDS........SOUTHEAST 9 TO 13 MPH SHIFTING TO THE EAST 6 TO 7 MPH IN THE LATE EVENING AND OVERNIGHT. DISPERSION INDEX....28 DECREASING TO 6. LVORI...............3 INCREASING TO 9. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........53 48 48 48 55 55 WEATHER COV....... PATCHY PATCHY WEATHER TYPE......NONE NONE NONE NONE FOG FOG TEMP..............77 74 71 70 68 67 RH................76 83 92 94 98 99 20 FT WIND DIR....SE SE SE SE SE SE 20 FT WIND SPD....11 9 7 7 6 5 20 FT WIND GUST...20 16 MIX HGT (FT)......2600 800 400 400 400 200 MIX HGT (M).......790 240 120 120 120 60 TRANSP WIND DIR...S SE SE SE SE E TRANSP WIND SPD...13 9 7 7 7 6 TRANS SPD (M/S)...6 4 3 3 3 3 DISPERSION........28 8 6 6 6 4 LVORI.............3 4 6 6 8 9 CWR...............10 10 10 10 10 10 .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY (45-55 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 80. MIN HUMIDITY........62 PERCENT. WIND (20 FT)........EAST WINDS 6 TO 7 MPH INCREASING TO SOUTHEAST 10 TO 13 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......200 FT AGL INCREASING TO 2300 FT AGL. MIXING WINDS........EAST AROUND 6 MPH INCREASING TO SOUTHEAST 14 TO 17 MPH UNTIL LATE AFTERNOON...THEN DECREASING TO AROUND 12 MPH LATE IN THE AFTERNOON. DISPERSION INDEX....4 INCREASING TO 37. LVORI...............9 DECREASING TO 4 EARLY IN THE MORNING...THEN DECREASING TO 3 LATE IN THE MORNING DECREASING TO 1 EARLY IN THE AFTERNOON INCREASING TO 3. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........55 58 58 58 45 45 WEATHER COV.......PATCHY WEATHER TYPE......FOG NONE NONE NONE NONE NONE TEMP..............67 70 75 78 79 79 RH................98 89 76 68 63 62 20 FT WIND DIR....SE E SE SE SE SE 20 FT WIND SPD....5 5 11 11 11 9 20 FT WIND GUST... 20 20 20 MIX HGT (FT)......200 700 1900 1900 2300 2300 MIX HGT (M).......60 210 580 580 700 700 TRANSP WIND DIR...E SE SE SE SE SE TRANSP WIND SPD...6 14 17 17 15 12 TRANS SPD (M/S)...3 6 8 8 7 5 DISPERSION........4 15 32 32 41 32 LVORI.............9 4 3 3 1 3 CWR...............10 10 10 10 10 10 $$ FORECASTER...32 REQUESTED BY...DISPATCH TYPE OF REQUEST...PRESCRIBED .TAG 20130416.JACKS.01/MOB