369 FXUS66 KLOX 072059 AFDLOX SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA 230 PM PDT SAT AUG 7 1999 LATEST SATELLITE SHOWS MOSTLY SUNNY SKIES ACROSS THE AREA THIS AFTERNOON. IN SHORT TERM...NO MAJOR PROBLEMS FOR THE FORECAST. WITH SBA-SMX AT -1.0 MB...MAY HAVE SOME WEAK SUNDOWNERS THIS EVENING OVER SOUTHERN SBA COUNTY. HOWEVER...WINDS SHOULD BE LOCALIZED AND WELL BELOW ADVISORY CRIERIA. FOR THE FORECAST...MODELS ARE IN VERY GOOD AGREEMENT WITH KEEPING UPPER TROUGH OVER THE WEST COAST THROUGH MONDAY...AND MAINTAINING WEAK ONSHORE FLOW ACROSS THE DISTRICT. MARINE LAYER STILL AROUND 3000-4000 FEET DEEP THIS AFTERNOON...BUT INVERSION IS WEAK... ESPECIALLY SOUTH OF PT CONCEPTION. MODELS DO NOT INDICATE ANYTHING THAT WOULD STRENGTHEN INVERSION OVERNIGHT...SO WILL NOT LOOK ANY ORGANINZED SURGE OF STRATUS/FOG. WILL INDICATE PARTLY/MOSTLY CLOUDY SKIES DEVELOPING OVERNIGHT...AS CLOUD FORMATION SHOULD BE HAPHAZARD. ON SUNDAY...MORNING CLOUDS SHOULD BURN OFF TO SUNNY AFTERNOON. FOR SUNDAY NIGHT/MONDAY...BELIEVE INVERSION WILL BECOME STRONGER AND MORE ESTABLISHED. THEREFORE...WILL INDICATE MORE NORMAL LOW CLOUDS/FOG WORDING FOR SUNDAY NIGHT/MONDAY. WITH GOOD SOUTHWEST FLOW ALOFT... MONSOON MOISTURE WILL STAY FAR AWAY FROM THE SOUTHLAND. AS FOR TEMPS...MODELS INDICATE ONLY MINOR CHANGES IN THICKNESSES AND BOUNDARY LAYER TEMPS NEXT COUPLE OF DAYS. THEREFORE...FOR SUNDAY AND MONDAY...WILL FORECAST TEMPS ABOUT THE SAME AS TODAYS HIGHS. HOWEVER WITH MORE ORGANIZED MARINE LAYER EXPECTED MONDAY MORNING...COASTAL TEMPS MAY BE A DEGREE OR TWO COOLER. LAX 0000. THOMPSON. .LAX...NONE.