FNUS76 KSGX 211407 AAB FWSSGX SPOT FORECAST FOR TROOP TRAIL...UPDATED NATIONAL WEATHER SERVICE SAN DIEGO CA 707 AM PDT WED JUL 21 2010 FORECAST IS BASED ON IGNITION TIME OF 1030 PDT ON JULY 21. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... MARINE LAYER DEPTH WILL CONTINUE MORE THAN 2000 FEET DEEP DUE TO COASTAL EDDY NEAR SAN CLEMENTE ISLAND AND A DEVELOPING UPPER LEVEL TROUGH FURTHER OFFSHORE. THIS WILL KEEP TEMPERATURES MODERATE AND RELATIVE HUMIDITY HIGH OVER THE PRESCRIBED BURN AREA...AND MAKE THE PREVAILING WINDS OVER THE RIDGES FROM THE SOUTH. THE STRATUS CLOUDS SHOULD CLEAR BY LATE MORNING AND RETURN IN THE LATE AFTERNOON AND EVENING. MID AND HIGH LEVEL CLOUDS WILL ALSO BE PRESENT...BUT THE AIR MASS OVER CAMP PENDLETON WILL REMAIN STABLE THROUGH THURSDAY. .TODAY... SKY/WEATHER.........CLOUDY MORNING WITH DRIZZLE...MOSTLY SUNNY AFTERNOON. MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........60 PERCENT. WIND................ MID SLOPES.........UPSLOPE/SOUTHWEST 2 TO 5 MPH. UPR SLP/RIDGETOP...SOUTHEAST 5 TO 10 MPH IN THE MORNING...BECOMING SOUTH 10 TO 15 MPH IN THE AFTERNOON. CWR.................0 PERCENT. LAL.................1. MIXING HEIGHT.......1500 FT AGL. MIXING WINDS........SOUTH 5 MPH. TIME (PDT) 10A 11A 12P 1PM 2PM 3PM 4PM 5PM SKY (%).........77 29 29 29 29 29 29 38 WEATHER COV.....PTY WEATHER TYPE....DZL TEMP............70 72 73 73 74 73 74 72 RH..............72 68 66 65 63 64 62 64 20 FT WIND DIR..S SW SW SW SW SW SW SW 20 FT WIND SPD..4 4 4 4 4 4 4 4 20 FT WIND GUST.5 5 5 5 5 5 5 10 .TONIGHT... SKY/WEATHER.........BECOMING CLOUDY. PATCHY FOG. MIN TEMPERATURE.....AROUND 60. MAX HUMIDITY........95 PERCENT. WIND................ MID SLOPES.........SOUTHWEST 5 MPH IN THE EVENING BECOMING DOWNSLOPE/EAST 1 TO 3 MPH OVERNIGHT. UPR SLP/RIDGETOP...SOUTH 10 TO 15 MPH. CWR.................0 PERCENT. LAL.................1. MIXING HEIGHT.......500 FT AGL. MIXING WINDS........SOUTHEAST 5 MPH. TIME (PDT) 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM SKY (%).........48 58 68 78 88 97 97 97 97 97 97 97 WEATHER COV..... PTY PTY PTY PTY PTY PTY PTY WEATHER TYPE.... FOG FOG FOG FOG FOG FOG FOG TEMP............70 68 65 64 63 62 61 61 61 60 60 60 RH..............69 75 83 89 90 91 91 90 89 90 91 92 20 FT WIND DIR..SW SW SW SW SW S S S S S S E 20 FT WIND SPD..4 4 4 4 4 0 0 0 0 0 0 0 20 FT WIND GUST.10 10 5 5 5 .THURSDAY... SKY/WEATHER.........CLOUDY...BECOMING MOSTLY SUNNY. PATCHY FOG IN THE MORNING. MAX TEMPERATURE.....AROUND 74. MIN HUMIDITY........65 PERCENT. WIND................ MID SLOPES.........DOWNSLOPE/EAST 1 TO 3 MPH IN THE EARLY MORNING... BECOMING WEST 5 MPH BY LATE MORNING. UPR SLP/RIDGETOP...SOUTH 10 TO 15 MPH...INCREASING TO 15 TO 20 MPH BY NOON. CWR.................0 PERCENT. LAL.................1. MIXING HEIGHT.......1000-2000 FT AGL. MIXING WINDS........SOUTH 5 MPH. TIME (PDT) 6 AM 9 AM NOON 3 PM SKY (%).........97 97 23 23 WEATHER COV.....PATCHY PATCHY WEATHER TYPE....FOG FOG NONE NONE TEMP............60 67 73 73 RH..............93 76 64 65 20 FT WIND DIR..E S SW W 20 FT WIND SPD..0 0 4 4 20 FT WIND GUST. 5 10 $$ FORECASTER...ROB BALFOUR REQUESTED BY...JEFF WILKERSON TYPE OF REQUEST...PRESCRIBED .TAG 20100721.TROOP.01/SGX