EXTREME SOUTHWESTERN CALIFORNIA AREA FORECAST DISCUSSION
NWS SAN DIEGO CA
AFDSAN 330 AM PDT SAT APR 15 2000
...SYNOPSIS...
LINGERING SHOWERS WILL END THIS MORNING...AND CLOUDS FROM A DEEP
MARINE LAYER WILL GRADUALLY CLEAR THIS AFTERNOON. IT WILL REMAIN
COOL WEST OF THE MOUNTAINS TODAY...WITH TEMPERATURES MOSTLY IN THE
60S. THE NEXT STORM OVER THE PACIFIC WILL BRING A CHANCE FOR RAIN
LATE MONDAY INTO TUESDAY.
...DISCUSSION...
ACARS SOUNDINGS SHOWED A DEEP MOIST LAYER TO 5500 FEET THIS
MORNING...AND THE SATELLITE LOOPS SHOWED RAPID CLOUD DEVELOPMENT
WEST OF THE MOUNTAINS OVERNIGHT. LIGHT SHOWERS PERSIST IN THIS
LAYER...AND WILL KEEP THE MENTION OF PRECIP GOING THROUGH THE
MORNING THAT WAS INHERITED FROM THE PREVIOUS SHIFT. ALSO...DENSE FOG
IS LIKELY ON THE MOUNTAIN SLOPES BETWEEN 4000 AND 5500 FEET.
THE DEEP MARINE LAYER WILL KEEP TEMPS IN CHECK TODAY WITH MOST AREAS
WEST OF THE MOUNTAINS IN THE 60S. CLOUD FORECAST WILL BE
TRICKY...BUT EXPECT AT LEAST PARTIAL CLEARING THIS AFTERNOON MOST
AREAS AS THE INVERSION IS NOT THAT STRONG. MARINE LAYER REMAINS
INTACT OVERNIGHT AND EXPECT CLOUDS TO RETURN TO THE USUAL AREAS.
TEMPERATURES WILL NOT BE MUCH WARMER SUNDAY DUE TO ITS INFLUENCE.
SOUTHWESTERLY FLOW AHEAD OF THE NEXT SPRING STORM OVER THE PACIFIC
WILL BRING GUSTY AFTERNOON WINDS TO THE MOUNTAINS AND DESERTS
SUNDAY. THE MRF AND UK MODEL IN CLOSE AGREEMENT WITH THE POSITION
AND INTENSITY OF THE UPPER LOW MONDAY AFTERNOON...WITH DEEP MOISTURE
REACHING SOCAL LATE MONDAY. COOL WINDY WEATHER TUESDAY WITH
CONTINUED CHANCES FOR SHOWERS AS THE LOW MOVES INLAND.
SAN 200
.SAN...NONE.
MOEDE