SPECIAL WEATHER STATEMENT
Issue Date: 401 AM PST SUN DEC 20 2009
Expiration: 1200 PM PST SUN DEC 20 2009
...WINTER WEATHER RETURNS MONDAY AND TUESDAY...
INVERSION CONDITIONS WHICH BROUGHT FREEZING FOG AND HAZE FOR THE
PAST FEW DAYS WILL TRANSITION BACK TO WINTER WEATHER STARTING
LATER TODAY. FREEZING FOG AND LOW CLOUDS WILL CONTINUE ACROSS LOW
LYING VALLEYS FOR MUCH OF THE MORNING...REFER TO THE LATEST
FREEZING FOG ADVISORY.
A PACIFIC STORM SYSTEM PUSHES INTO THE WEST COAST STARTING THIS
AFTERNOON BRINGING A RETURN TO WET WEATHER. THE FIRST PORTION OF
THE STORM WILL SPREAD RAIN AND SNOW ACROSS THE NORTHERN SIERRA
FROM PLACER COUNTY NORTHWARD THROUGH LASSEN COUNTY THIS
AFTERNOON. INITIALLY SNOW LEVELS WILL BE AROUND 6000 FEET AND
SHOWERS WILL CONTINUE THROUGH MONDAY MORNING.
THE MAIN STORM SYSTEM WILL BRING COOLER TEMPERATURES AND MORE
MOISTURE MONDAY AFTERNOON AND EVENING WITH SNOW EXPECTED
THROUGHOUT THE SIERRA. STORM SNOW TOTALS ARE FORECAST TO BE 3 TO
6 INCHES AT LAKE LEVEL WITH UP TO A FOOT ABOVE 7000 FEET. GUSTS ON
THE SIERRA RIDGES MAY APPROACH 75 MPH. WINTER WEATHER ADVISORIES
ARE LIKELY DURING THIS PERIOD.
SNOW LEVELS WILL DROP TO ALL VALLEY FLOORS MONDAY NIGHT WITH A
QUICK BURST OF SNOW AS THE COLD FRONT PASSES...THOUGH
ACCUMULATIONS SHOULD BE LIMITED IN THE LEE OF THE SIERRA. UP TO
AN INCH OF SNOW IS POSSIBLE IN WESTERN NEVADA VALLEYS ON TUESDAY.
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