FNUS74 KMOB 211238 FWSMOB SPOT FORECAST FOR 902F...JACKSON GUARD NATIONAL WEATHER SERVICE MOBILE AL 738 AM CDT SUN APR 21 2013 FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON APRIL 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...SURFACE HIGH PRESSURE ALONG THE APPALACHIANS WILL BRING A NORTHEAST TO EASTERLY FLOW IN THE MIXING LAYER THROUGH THE FORECAST. FOG POTENTIAL AND OTHER REMARKS...OVERNIGHT LIGHT FOG DEVELOPMENT POSSIBLE TONIGHT. * NOTE - NO OBSERVATION PROVIDED WITH FORECAST REQUEST. FORECAST MAY NO BE APPLICABLE TO BURN SITE. * .TODAY... SKY/WEATHER.........SUNNY (10-20 PERCENT). MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........37 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 6 TO 9 MPH. MIXING HEIGHT.......300-400 FT AGL INCREASING TO 5600 FT AGL. MIXING WINDS........NORTHEAST 6 TO 9 MPH INCREASING TO EAST AROUND 17 MPH LATE IN THE MORNING...THEN DECREASING TO 9 TO 12 MPH IN THE AFTERNOON. DISPERSION INDEX....7 INCREASING TO 60 IN THE LATE MORNING AND AFTERNOON. LVORI...............4 DECREASING TO 1 IN THE LATE MORNING AND AFTERNOON. TIME (CDT) 9 AM 11 AM 1 PM 3 PM 5 PM SKY (%)...........17 17 25 25 25 WEATHER COV....... WEATHER TYPE......NONE NONE NONE NONE NONE TEMP..............51 63 72 74 74 RH................76 53 38 37 39 20 FT WIND DIR....NE E E E SE 20 FT WIND SPD....5 8 6 6 6 20 FT WIND GUST... MIX HGT (FT)......400 3600 5000 5600 4600 TRANSP WIND DIR...NE E E E E TRANSP WIND SPD...9 17 12 12 9 DISPERSION........10 61 61 61 58 LVORI.............4 1 1 1 1 CWR...............0 0 0 0 0 .TONIGHT... SKY/WEATHER.........PARTLY CLOUDY (30-40 PERCENT). PATCHY FOG AFTER MIDNIGHT. MIN TEMPERATURE.....AROUND 54. MAX HUMIDITY........92 PERCENT. WIND (20 FT)........SOUTHEAST WINDS AROUND 7 MPH SHIFTING TO THE NORTHEAST AROUND 6 MPH EARLY IN THE EVENING...THEN BECOMING LIGHT LATE IN THE EVENING BECOMING NORTHEAST 6 TO 7 MPH AFTER MIDNIGHT. MIXING HEIGHT.......3600 FT AGL DECREASING TO 700-800 FT AGL. MIXING WINDS........EAST 9 TO 12 MPH. DISPERSION INDEX....48 DECREASING TO 7. LVORI...............1 INCREASING TO 4. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%)...........25 20 20 20 46 46 WEATHER COV....... PATCHY PATCHY WEATHER TYPE......NONE NONE NONE NONE FOG FOG TEMP..............73 66 59 57 57 56 RH................42 56 72 76 78 82 20 FT WIND DIR....SE NE E E E NE 20 FT WIND SPD....6 5 4 4 5 5 20 FT WIND GUST... MIX HGT (FT)......3600 2700 700 700 600 800 TRANSP WIND DIR...E E NE NE E E TRANSP WIND SPD...9 12 10 10 12 9 DISPERSION........48 5 5 5 8 6 LVORI.............1 3 4 4 4 4 CWR...............0 10 10 10 10 10 .MONDAY... SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT) THEN BECOMING PARTLY SUNNY (65-75 PERCENT). PATCHY FOG EARLY IN THE MORNING. MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........60 PERCENT. WIND (20 FT)........NORTHEAST WINDS 6 TO 8 MPH SHIFTING TO THE EAST 9 TO 12 MPH IN THE LATE MORNING AND AFTERNOON. MIXING HEIGHT.......800 FT AGL INCREASING TO 5600 FT AGL. MIXING WINDS........EAST AROUND 9 MPH INCREASING TO 12 TO 15 MPH IN THE MORNING...THEN DECREASING TO 6 TO 8 MPH IN THE AFTERNOON. DISPERSION INDEX....6 INCREASING TO 24. LVORI...............4 DECREASING TO 2. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%)...........46 76 76 76 61 61 WEATHER COV.......PATCHY WEATHER TYPE......FOG NONE NONE NONE NONE NONE TEMP..............55 57 64 70 72 73 RH................88 87 75 65 60 61 20 FT WIND DIR....NE NE E E E E 20 FT WIND SPD....5 6 10 10 9 8 20 FT WIND GUST... 17 17 MIX HGT (FT)......800 1500 2800 4800 5600 5100 TRANSP WIND DIR...E E E E E E TRANSP WIND SPD...9 15 12 12 8 6 DISPERSION........6 24 27 27 25 20 LVORI.............4 4 3 3 2 2 CWR...............10 10 10 10 10 10 $$ FORECASTER...16 REQUESTED BY...KEVIN MOCK TYPE OF REQUEST...PRESCRIBED .TAG 20130421.902F_.01/MOB