FNUS74 KMOB 251143 FWSMOB SPOT FORECAST FOR FUEL FARM BURN...US NAVY- NAS PENSACOLA NATIONAL WEATHER SERVICE MOBILE AL 643 AM CDT WED MAR 25 2009 FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON MARCH 25. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...INCREASING MOISTURE AHEAD OF A COLD FRONT WILL REDUCE AFTERNOON MIXING HEIGHTS AND SIGNIFICNTLY INCREASE THE MINIMUM AFTERNOON RELATIVE HUMIDITIES OVER THE NEXT TWO DAYS. HEAVY RAINFALL IS POSSIBLE OVERNIGHT AND ON THURSDAY. TRANSPORT WINDS WILL REMAIN ELEVATED DUE TO THE COMBINATION OF STRONG SURFACE HIGH PRESSURE OVER THE MID ATLANTIC AND THE APPROACHING COLD FRONT. .TODAY... TIME (CDT) 10 AM NOON 2 PM 4 PM SKY (%).........95 95 95 95 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR TEMP............69 68 68 68 RH..............81 86 90 90 20 FT WIND DIR..S S S S 20 FT WIND SPD..22 22 21 20 MIX HGT (FT)....2900 2800 2700 2800 MIX HGT (M).....880 850 820 850 TRANSP WIND DIR.S S S S TRANSP WIND SPD.35 35 32 31 TRANS SPD (M/S).16 16 14 14 DISPERSION......81 78 75 70 LVORI...........3 4 4 4 CWR.............70 70 70 70 .TONIGHT... SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY. MIN TEMPERATURE.....AROUND 65. MAX HUMIDITY........97 PERCENT. WIND (20 FT)........SOUTH WINDS 20 TO 21 MPH WITH GUSTS TO AROUND 35 MPH. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......1600 FT AGL DECREASING TO 1000-1200 FT AGL...THEN INCREASING TO 1800 FT AGL EARLY IN THE MORNING. MIXING WINDS........SOUTH 28 TO 31 MPH. DISPERSION INDEX....49 DECREASING TO 30. LVORI...............4. TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM SKY (%).........95 95 95 95 95 95 WEATHER COV.....LIKELY LIKELY LIKELY LIKELY LIKELY LIKELY WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............67 67 68 69 65 67 RH..............93 93 89 87 97 92 20 FT WIND DIR..S S S S S S 20 FT WIND SPD..18 18 18 19 19 19 MIX HGT (FT)....1600 1000 1100 1100 1200 1200 MIX HGT (M).....490 300 340 340 370 370 TRANSP WIND DIR.S S S S S S TRANSP WIND SPD.29 28 29 30 31 31 TRANS SPD (M/S).13 13 13 13 14 14 DISPERSION......49 25 26 27 27 27 LVORI...........4 4 4 4 4 4 CWR.............70 60 60 60 60 60 .THURSDAY... SKY/WEATHER.........CLOUDY (90-100 PERCENT). SHOWERS AND THUNDERSTORMS LIKELY EARLY IN THE MORNING...THEN SHOWERS AND THUNDERSTORMS. MAX TEMPERATURE.....AROUND 73. MIN HUMIDITY........83 PERCENT. WIND (20 FT)........SOUTH WINDS 17 TO 21 MPH SHIFTING TO THE SOUTHEAST 15 TO 16 MPH IN THE AFTERNOON. GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS. MIXING HEIGHT.......2300 FT AGL INCREASING TO 2700-2900 FT AGL...THEN DECREASING TO 2000 FT AGL LATE IN THE AFTERNOON. MIXING WINDS........SOUTH 26 TO 30 MPH SHIFTING TO THE SOUTHEAST 22 TO 25 MPH LATE IN THE MORNING. DISPERSION INDEX....40 INCREASING TO 65 IN THE MORNING...THEN DECREASING TO 55 LATE IN THE MORNING DECREASING TO 42 LATE IN THE AFTERNOON. LVORI...............4. TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM SKY (%).........95 95 95 95 95 95 WEATHER COV.....LIKELY DEFNTE DEFNTE DEFNTE DEFNTE DEFNTE WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR TEMP............70 70 68 68 68 67 RH..............84 84 90 92 94 96 20 FT WIND DIR..S S S S SE SE 20 FT WIND SPD..19 18 17 15 14 14 MIX HGT (FT)....2300 2900 2900 2800 2700 2700 MIX HGT (M).....700 880 880 850 820 820 TRANSP WIND DIR.S S S S SE SE TRANSP WIND SPD.30 29 26 24 23 22 TRANS SPD (M/S).13 13 12 11 10 10 DISPERSION......40 67 61 56 52 50 LVORI...........4 4 4 4 4 4 CWR.............60 80 80 80 80 80 $$ FORECASTER...MOB FORECASTER REQUESTED BY...CHRIS HERBST TYPE OF REQUEST...PRESCRIBED .TAG 20090325.FUELF.02/MOB