AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SACRAMENTO CA
900 AM PDT TUE MAY 25 1999
RAOBS AND ARB AIRCRAFT SOUNDINGS SHOW WARMING OF AIR MASS WITH LITTLE
NET CHANGE IN STABILITY. THIS AS NORTHEASTERLY CYCLONINC FLOW AROUND
EJECTING CLOSED LOW WEAKENS OVER CWA. RAWS DATA INDICATES SOME
DRYING AT THE HIGHER ELEVATIONS...BUT BELOW THIS DEW POINTS REMAIN
THE SAME. THIS LOWER MOISTURE SHOULD BE EASILY TRANSPORTED UPSLOPE
THIS AFTERNOON UNDER SKIES THAT SHOULD HAVE ENOUGH SUN BLASTING
THROUGH CIRRUS ASSOCIATED WITH ERODING UPPER COLD FRONT FOR WIDELY
SCATTERED THUNDERSTORMS NEAR THE CREST THIS AFTERNOON.
SLOW WARMING TREND WILL CONTINUE WEDNESDAY WITH EVEN LESS CLOUDS.
DRYING WITH WEAK TO MODERATE WEST TO SOUTHWEST FLOW OVER CWA WILL
LIMIT SIERRA THUNDERSTORMS ACTIVITY TO CREST AND EASTSIDE. SHORTWAVE
NEAR 45/150 WILL INDRODUCE SOME MORE HIGH CLOUD ON THURSDAY..BUT WILL
HAVE LITTLE OR NO AFFECT ON TEMPS AND WINDS. SJC
.STO...NONE.