SPECIAL WEATHER STATEMENT
Issue Date: 631 PM PST SUN DEC 20 2009
Expiration: 445 AM PST MON DEC 21 2009
...WINTER WEATHER RETURNS TONIGHT THROUGH TUESDAY...
...FREEZING FOG AGAIN TONIGHT OVER THE GREAT BASIN...
ONE MORE NIGHT OF FREEZING FOG TONIGHT THROUGH VALLEYS OF
CHURCHILL...PERSHING...AND NORTHERN WASHOE COUNTIES BEFORE A
WINTER STORM HELPS TO SCOUR OUT THE FOG MONDAY. FREEZING FOG CAN
FORM A THIN LAYER OF ICE ON ROADS. THIS COMBINED WITH VISIBILITY
DROPPING TO A QUARTER MILE OR LESS WILL CREATE HAZARDOUS DRIVING
CONDITIONS. MOTORISTS MAY ENCOUNTER RAPIDLY CHANGING VISIBILITY
AND ROAD CONDITIONS OVER A SHORT DISTANCE.
THE FIRST PORTION OF A PACIFIC STORM SYSTEM IS BRINGING RAIN WITH
SNOW ABOVE 6000 FEET TO THE NORTHERN SIERRA THIS EVENING. AN INCH OR
TWO OF SNOW IS LIKELY ABOVE 6000 FT. PATCHY LIGHT FREEZING RAIN IS
ALSO POSSIBLE OVER PORTIONS OF LASSEN COUNTY, ESPECIALLY ALONG
HIGHWAY 395, THIS EVENING. THIS IS DUE TO RELATIVELY WARM AIR
OVERRIDING RESIDUAL COLD AIR LEFT BEHIND FROM RECENT INVERSIONS.
ROADS MAY BECOME SLICK IN SPOTS.
THE SECOND PORTION OF THE STORM SYSTEM WILL BRING COLDER
TEMPERATURES AND A BETTER POTENTIAL FOR SNOWFALL MONDAY AFTERNOON
THROUGH TUESDAY MORNING. A WINTER WEATHER ADVISORY HAS BEEN ISSUED
FOR THE SIERRA AND TAHOE AREA NORTH OF HIGHWAY 50. FOR MORE DETAILS
ON THE STORM... HE ADVISORY CAN BE VIEWED ON OUR WEB
PAGE...WEATHER.GOV/RENO.
SNOW LEVELS WILL DROP TO THE VALLEY FLOOR LATE MONDAY NIGHT WITH
LIGHT SNOWFALL EXPECTED THROUGH WESTERN NEVADA VALLEYS...MAINLY
NORTH OF HIGHWAY 50...EARLY TUESDAY MORNING. ONE TO THREE INCHES
OF SNOW ACCUMULATION IS POSSIBLE WHICH WILL AFFECT THE MORNING
COMMUTE ON TUESDAY.
PREPARE FOR HAZARDOUS DRIVING CONDITIONS BEGINNING MONDAY
AFTERNOON IN NORTHEAST CALIFORNIA AND ACROSS MANY AREAS IN THE
SIERRA AND WESTERN NEVADA MONDAY NIGHT INTO TUESDAY MORNING.
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