SOUTHWEST CALIFORNIA AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LOS ANGELES/OXNARD CA
1045 AM PDT SUN AUG 29 2004

SHORT TERM...
RELEASED A COUPLE OF UPDATES THIS MORNING TO REMOVE THE DENSE FOG ADVISORY AND TO TWEAK SOME VALLEY TEMPERATURES...MUCH LIKE YESTERDAY. EXPERIENCING A STUBBORN MARINE LAYER THIS MORNING THAT WILL PROBABLY DELAY THE SERIOUS WARMING FOR LA AND VENTURA COUNTY VALLEYS FOR ANOTHER DAY. HOWEVER...REST OF FORECAST LOOKS OK WITH SOME INLAND LOCATIONS FURTHEST REMOVED FROM ANY MARINE INFLUENCE REACHING HIGHS BETWEEN 100 AND 105. THE PROGS CONTINUE TO SHOW THE RIDGE STRENGTHENING AND EXPANDING OVER THE NEXT COUPLE OF DAYS...ALONG WITH MUCH WARMER 950 MB TEMPS BY 12Z MON. SO THE MAIN QUESTION IS HOW DEEP WILL THE MARINE LAYER BE TONIGHT. CROSS SECTIONS FROM THE MESO-ETA YESTERDAY INCORRECTLY SUPPRESSED THE MARINE LAYER THIS MORNING...AND WILL THEREFORE BE DISCOUNTED. THE EXPANSION AND STRENGTHENING OF THE UPPER RIDGE ALONG WITH INDICATED WARMING OF THE 950 MB TEMPS IS A GOOD BASIS FOR SHRINKING OF THE MARINE LAYER...HOWEVER SKEPTICISM IS THE WORD OF THE DAY AND THE TEMPERATURES/RH AT MONTECITO HILLS AND MALIBU HILLS THIS AFTERNOON WILL HELP TO REACH A FINAL DECISION.