NATIONAL WEATHER SERVICE SACRAMENTO CA
312 PM PST MON FEB 5 2007…WET WEATHER TO RETURN TO NORTHERN CALIFORNIA THIS WEEK..
THE PERSISTENT DRY WEATHER PATTERN OVER NORTHERN CALIFORNIA IS
EXPECTED TO END BY WEDNESDAY. A POWERFUL PACIFIC JET STREAM WILL
FINALLY PUNCH THROUGH THE UNUSUALLY STRONG HIGH PRESSURE RIDGE
THAT HAS KEPT THE AREA DRY FOR SO LONG. THE JET STREAM WILL TAP
INTO A DEEP SUBTROPICAL MOISTURE PLUME AND AIM IT RIGHT AT
CALIFORNIA…BEGINNING WEDNESDAY…AND PERSISTING INTO THE
WEEKEND.SEVERAL INCHES OF LIQUID PRECIPITATION AND SIGNIFICANT SNOWFALL
ARE EXPECTED OVER NORTHERN CALIFORNIA…ESPECIALLY FROM THURSDAY INTO THE
WEEKEND. PRECIPITATION WILL BEGIN LATE TUESDAY ALONG THE WEST SIDE
OF INTERIOR NORTHERN CALIFORNIA AND SPREAD EAST TO COVER THE
ENTIRE REGION DURING THE DAY WEDNESDAY. HEAVIER PRECIPITATION IS
EXPECTED ON THURSDAY AND FRIDAY. SNOW LEVELS ARE EXPECTED TO
BEGIN AROUND 4500 TO 6000 FEET ON WEDNESDAY AND RISE TO 6000 TO
7500 FEET ON THURSDAY AND FRIDAY WITH THE WARM AIR MASS AND
SUBTROPICAL MOISTURE. SNOW LEVELS WILL THEN LOWER AGAIN OVER THE
WEEKEND. THE UPCOMING WET WEATHER COULD MAKE A SIGNIFICANT
RECOVERY IN THE PRECIPITATION DEFICIT OVER NORTHERN
CALIFORNIA…AND TURN THIS MONTH INTO A…FABULOUS FEBRUARY
