FNUS74 KMOB 201217 FWSMOB SPOT FORECAST FOR JACKSON GUARD...EGLIN AF BASE NATIONAL WEATHER SERVICE MOBILE AL 717 AM CDT SAT APR 20 2013 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 20. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...LIGHT NORTHERLY FLOW AND A DRY AIRMASS WILL BE IN PLACE TODAY AS SURFACE HIGH PRESSURE MOVES OVER THE AREA. THE MIXING LAYER FLOW TRANSITIONS TO NORTHEASTERLY AS THE SURFACE HIGH GETS ABSORBED INTO A SURFACE RIDGE OVER THE EASTERN SEABOARD. SIGNIFICANT MOISTURE RETURN IS NOT EXPECTED UNTIL MID WEEK...WHEN AN APPROACHING FRONT RETURNS THE MIXING LAYER FLOW TO SOUTHEASTERLY. FOG POTENTIAL AND OTHER REMARKS...FOG IS CURRENTLY NOT EXPECTED TO BE OF IMPACT TONIGHT. .TODAY... SKY/WEATHER.........SUNNY (0-10 PERCENT). MAX TEMPERATURE.....AROUND 70. MIN HUMIDITY........28 PERCENT. WIND (20 FT)........NORTH WINDS AROUND 5 MPH INCREASING TO 10 TO 12 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......INCREASING TO AROUND 5200 FT AGL IN THE AFTERNOON. MIXING WINDS........NORTH AROUND 10 MPH...BECOMING NORTHEAST 14 TO 18 MPH IN THE AFTERNOON. DISPERSION INDEX....INCREASING TO 65 IN THE AFTERNOON. LVORI...............DECREASING TO 1. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%)...........30 9 1 1 1 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE TEMP..............51 61 67 70 68 RH................53 35 29 28 32 20 FT WIND DIR....N NE N N N 20 FT WIND SPD....5 10 9 9 9 20 FT WIND GUST... 15 MIX HGT (FT)......100 2700 5200 5200 4900 MIX HGT (M).......30 820 1580 1580 1490 TRANSP WIND DIR...N NE NE NE NE TRANSP WIND SPD...10 17 16 16 14 TRANS SPD (M/S)...4 7 7 7 6 DISPERSION........11 61 65 65 58 LVORI.............3 1 1 1 1 CWR...............0 0 0 0 0 .TONIGHT... SKY/WEATHER.........MOSTLY CLEAR (5-15 PERCENT). MIN TEMPERATURE.....AROUND 39. MAX HUMIDITY........89 PERCENT. WIND (20 FT)........NORTH WINDS AROUND 10 MPH BECOMING LIGHT. MIXING HEIGHT.......DECREASING TO 100 FT AGL. MIXING WINDS........NORTHEAST AROUND 14 MPH DECREASING TO AROUND 5 MPH IN THE LATE EVENING AND OVERNIGHT. DISPERSION INDEX....DECREASING TO 5. LVORI...............INCREASING TO 6. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........1 16 16 16 5 5 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE NONE TEMP..............66 58 49 45 44 42 RH................36 50 68 79 83 85 20 FT WIND DIR....N NE N N N NE 20 FT WIND SPD....9 5 3 3 3 4 20 FT WIND GUST... MIX HGT (FT)......4900 2700 500 500 300 100 MIX HGT (M).......1490 820 150 150 90 30 TRANSP WIND DIR...NE NE NE NE NE NE TRANSP WIND SPD...14 14 6 6 6 7 TRANS SPD (M/S)...6 6 3 3 3 3 DISPERSION........58 6 3 3 3 3 LVORI.............1 2 3 3 5 6 CWR...............0 0 0 0 0 0 .SUNDAY... SKY/WEATHER.........SUNNY (5-15 PERCENT) THEN BECOMING PARTLY CLOUDY (50-60 PERCENT). MAX TEMPERATURE.....AROUND 75. MIN HUMIDITY........39 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING EAST AROUND 8 MPH. MIXING HEIGHT.......INCREASING TO 5800 FT AGL. MIXING WINDS........NORTHEAST AROUND 7 MPH INCREASING 15 TO 20 MPH. DISPERSION INDEX....INCREASING TO AROUND 70. LVORI...............DECREASING TO 1. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........5 16 16 16 73 73 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE NONE TEMP..............42 44 56 69 74 75 RH................88 88 68 45 39 40 20 FT WIND DIR....NE NE E E E E 20 FT WIND SPD....4 5 8 8 8 7 20 FT WIND GUST... 14 14 15 14 MIX HGT (FT)......100 100 3000 3000 5800 5500 MIX HGT (M).......30 30 910 910 1770 1680 TRANSP WIND DIR...NE NE E E E E TRANSP WIND SPD...7 15 20 20 16 16 TRANS SPD (M/S)...3 7 9 9 7 7 DISPERSION........3 16 60 60 70 55 LVORI.............6 4 1 1 1 1 CWR...............0 10 10 10 10 10 $$ FORECASTER...21 REQUESTED BY...DISPATCH TYPE OF REQUEST...PRESCRIBED .TAG 20130420.JACKS.01/MOB