FXUS66 KSGX 061036 AFDSGX AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN DIEGO CA 330 AM PDT WED OCT 6 2004 .SYNOPSIS...ONSHORE FLOW ALONG WITH A COASTAL EDDY WILL RESULT IN NIGHT AND MORNING LOW CLOUDS AND FOG WITH AFTERNOON SUNSHINE. AN UPPER LOW WILL MOVE INTO THE AREA OVER THE WEEKEND FOR A DEEPENING COASTAL MARINE LAYER AS WELL AS COOLING. THE FLOW IS EXPECTED TO BECOME OFFSHORE BY THE MIDDLE OF NEXT WEEK FOR WARMER CONDITIONS. && .DISCUSSION...FOR EXTREME SOUTHWESTERN CALIFORNIA INCLUDING ORANGE... SAN DIEGO...WESTERN RIVERSIDE AND SOUTHWESTERN SAN BERNARDINO COUNTIES. A COASTAL EDDY JUST DEVELOPED OVER THE BIGHT AND THE LOW CLOUDS ARE DEVELOPING RAPIDLY. THIS EDDY WILL PROBABLY CONTINUE ON AND OFF INTO THE WEEKEND. AN UPPER LOW SHOULD ALLOW THE COASTAL MARINE LAYER TO RAPIDLY DEEPEN SATURDAY AND POSSIBLY INTO SUNDAY...AND MAY RESULT IN SOME DRIZZLE SATURDAY AND POSSIBLY SUNDAY. THERE APPEARS TO BE SOME MID LEVEL MOISTURE WITH THE LOW...AND IF THE PROGS ARE CORRECT...THERE COULD BE SOME MAINLY MOUNTAIN THUNDERSTORMS BY ABOUT SUNDAY. HOWEVER...THIS IS ABOUT 3 TO 4 DAYS OUT...SO MUST SEE WHAT THE MODELS WANT TO DO WITH IT AS WE GET CLOSER. FOR NEXT WEEK..MODELS STILL ADVERTISE OFFSHORE FLOW FOR WARMING ALL AREAS. THERE COULD ALSO BE WINDY CONDITIONS BELOW CANYONS AND PASSES. && .SGX WATCHES/WARNINGS/ADVISORIES...NONE. && $$ SMALL