082 FPUS76 KSTO 061810 NOWSTO SHORT TERM FORECAST NATIONAL WEATHER SERVICE SACRAMENTO CA 1010 AM PST FRI DEC 6 2002 CAZ019-062010- NORTHERN SAN JOAQUIN VALLEY- 1010 AM PST FRI DEC 6 2002 .NOW... LOCAL PATCHES OF DENSE FOG CONTINUE TO PERSIST THIS MORNING IN THE NORTHERN SAN JOAQUIN VALLEY. DUE TO THE PATCHY NATURE OF THIS FOG...MOTORISTS MAY EXPERIENCE RAPID CHANGES IN VISIBILITY IN SHORT DISTANCES RESULTING IN POTENTIALLY HAZARDOUS DRIVING CONDITIONS. VISIBILITIES ARE EXPECTED TO IMPROVE AROUND NOON. $$ BARUFFALDI