861
FXUS97 KHNX 150916
AFDHNX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HANFORD CA
230 AM PST SAT JAN 15 2005
SHORT TERM...FOR THE CENTRAL CALIFORNIA INTERIOR
STUBBORN SAN
JOAQUIN VALLEY STATUS IS IN STARK CONTRAST TO THE MAINLY SUNNY AND
CLEAR WEATHER OVER THE REST OF THE FORECAST AREA. SATELLITE IMAGERY
SHOWS THE CLOUD DECK FIRMLY ENTRENCHED OVER THE SJV AND WIND
PROFILERS HAVE THE INVERSION DEPTH AT A VERY ROBUST 2500 FEET. NO
CLEARING TODAY AND WITH THIS DEPTH, THE MID LEVEL FOOTHILL
COMMUNITIES OF OAKHURST AND MARIPOSA MAY HAVE THE CLOUDS TODAY.
OVER THE KERN DESERT AND MOUNTAINS OTHER THAN THE SJV FACING SLOPES
AS WELL AS THE SIERRA, ANOTHER FINE MAINLY SUNNY DAY IS ON TAP.
RIDGE OVER THE WEST CONTINUES TO HOLD WITH THE AXIS ALIGNED RIGHT
OVER CALIFORNIA. OUT OVER THE PACIFIC AN INCOMING TROUGH IS NOW
PASSING 130W WITH THE HIGH CLOUD SHIELD STILL WELL OFFSHORE. THE
LATEST SUITE OF SHORT RANGE FORECAST MODELS HOLDS THE RIDGE IN
PLACE OVER SOUTHERN CALIFORNIA TODAY THROUGH SUNDAY. MEANWHILE ALL
PROJECTED PRECIPITATION STAYS TO THE NORTH OF CENTRAL CALFIORNIA
THROUGH THE WEEKEND. THE WEAK TROUGH PASSAGE WILL LOWER SIERRA AND
FOOTHILL TEMPS A LITTLE ON SUNDAY. THIS WILL ALSO EFFECTIVELY
WEAKEN THE INVERSION OVER THE SJV. IT APPEARS THAT THE SJV WILL
STAY UNDER THE CLOUDS HOWEVER AS THE MIXING WILL NOT LIKELY BE ENOUGH
TO BREAK OF THE CLOUDS. THE RIDGE IS PROGGED TO RE-INTENSIFY ON
MONDAY IN THE WAKE OF THE TROUGH PASSAGE. THIS WILL AGAIN INTENSIFY
THE INVERSION OVER THE SJV FOR MORE GLOOMY WEATHER, WHILE THE REST
OF THE AREA REMAINS CLEAR AND MILD FOR JANUARY.
LONG TERM
HNX WATCHES/WARNINGS/ADVISORIES
NONE.
DUDLEY/DS
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