SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
 NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
 330 AM PDT SUN AUG 15 2004

 .SHORT TERM...
CONDITIONS TODAY VERY SIMILAR TO YDY AND HAVE ADJUSTED THINGS TO  REFLECT THIS. SLIGHT COOLING DUE TO HIGHER MARINE LAYER AND THUNDER IN  THE ERN DESERTS AND MTNS. GENERAL WEST FLOW SHOULD CONTINUE TO BALANCE  AGAINST THE MOIST AND UNSTABLE CONDITIONS IN SAN BERNARDINO COUNTY  THE BALANCE POINT IS ALMOST EXACTLY THE SAN BERNARDINO/L.A. COUNTY  LINE AND EXPECT TO SEE CONVECTION FIRE UP AGAIN THIS AFTERNOON.

CURRENT PRESSURE GRADIENT TRENDS ARE OFFSHORE WHICH MIGHT SUGGEST LESS  IN THE WAY OF LOW CLOUDS BUT THIS IS INDEED NOT THE CASE WITH A MUCH  BETTER MARINE CLOUD DECK HOVERING TO THE SOUTH OF LGB. THINGS ARE A  LITTLE SLOWER TO FILL IN ALONG THE CENTRAL COAST BUT THE SATELLITE  SHOWS A CLOUD MASS DEVELOPING AND ADVECTING INTO THE CENTRAL COAST.

MONDAY THE WEST FLOW WINS OUT AND THE TSTM CHANCE SHOULD SLIDE TO NIL.  LITTLE IN THE WAY OF AN EDDY FORECAST SO WILL KEEP A MINIMAL MARINE  LAYER IN PLACE SOUTH OF POINT CONCEPTION. TEMPS WILL BE ABOUT THE SAME  AS TODAY.