HAZARDOUS WEATHER OUTLOOK
Issue Date: 338 AM PST MON DEC 21 2009
Expiration: 700 AM PST TUE DEC 22 2009

Expires:200912221500;;
FLUS46 KSTO 211138
HWOSTO
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
338 AM PST MON DEC 21 2009
CAZ013>019-063-064-066>069-221500-
SHASTA LAKE AREA/NORTHERN SHASTA COUNTY-
BURNEY BASIN/EASTERN SHASTA COUNTY-NORTHERN SACRAMENTO VALLEY-
CENTRAL SACRAMENTO VALLEY-SOUTHERN SACRAMENTO VALLEY-
CARQUINEZ STRAIT AND DELTA-NORTHERN SAN JOAQUIN VALLEY-
MOUNTAINS SOUTHWESTERN SHASTA TO NORTHERN LAKE COUNTIES-
CLEAR LAKE/SOUTHERN LAKE COUNTY-MOTHERLODE-
EAST FOOTHILLS/NORTH SACRAMENTO VALLEY-
WESTERN PLUMAS COUNTY/LASSEN PARK-WEST SLOPE NORTHERN SIERRA NEVADA-
338 AM PST MON DEC 21 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.
.DAY ONE...TODAY
A WEATHER SYSTEM MOVING SOUTHEAST OFF THE PACIFIC NORTHWEST COAST
WILL BRING PERIODS OF MODERATE TO OCCASIONALLY HEAVY SNOW TO THE
NORTHERN SIERRA NEVADA LATER TODAY AND TONIGHT. TRAVEL IMPACTS MAY
OCCUR ACROSS THE HIGHER NORTHERN SIERRA NEVADA MOUNTAIN PASSES.
* WINTER WEATHER ADVISORY....SEE WWUS46 KSTO - WSWSTO FOR DETAILS *
.DAYS TWO THROUGH SEVEN... TUESDAY THROUGH SUNDAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS TO THEIR LOCAL NATIONAL WEATHER SERVICE OFFICE.
THE LATEST WEATHER INFORMATION IS AVAILABLE ON THE INTERNET AT
(LOWER CASE): HTTP://WWW.WRH.NOAA.GOV/STO
$$

WINTER WEATHER ADVISORY
Issue Date: 329 PM PST SUN DEC 20 2009
Expiration: 900 AM PST TUE DEC 22 2009

...WINTER STORM TO AFFECT THE SIERRA MONDAY AFTERNOON THROUGH
TUESDAY MORNING...
.THE FIRST WAVE OF A PACIFIC STORM SYSTEM IS BRINGING RAIN WITH
SNOW ABOVE 6000 FEET TO THE NORTHERN SIERRA TONIGHT. IT WILL BE
FOLLOWED BY A COLDER AND WETTER WAVE TOMORROW AFTERNOON. SNOW
LEVELS WILL DROP TO THE VALLEY FLOOR LATE MONDAY NIGHT BEHIND A
RAPIDLY PROGRESSING COLD FRONT. SNOW WILL QUICKLY TAPER OFF BEHIND
THE FRONT AND SHOULD BE OUT OF THE AREA BY TUESDAY AFTERNOON.
CAZ071-072-NVZ002-211200-
/O.NEW.KREV.WW.Y.0020.091221T2300Z-091222T1700Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...
SOUTH LAKE TAHOE...TRUCKEE...INCLINE VILLAGE
329 PM PST SUN DEC 20 2009
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM MONDAY TO 9 AM PST
TUESDAY...
THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER WEATHER
ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 3 PM MONDAY TO 9 AM
PST TUESDAY.
* SNOW WILL BEGIN AGAIN MONDAY MORNING ACROSS PORTIONS OF THE
NORTHERN SIERRA AND WESTERN LASSEN COUNTY...BECOMING HEAVIER AND
SPREADING FURTHER SOUTH MONDAY AFTERNOON THROUGH EARLY TUESDAY
MORNING.
* TOTAL SNOW ACCUMULATIONS: 4 TO 8 INCHES IN LASSEN COUNTY WEST OF
HIGHWAY 395. 4 TO 8 INCHES AT LAKE LEVEL WITH 8 TO 14 INCHES IN
THE SIERRA ABOVE 7000 FEET.
* SNOW LEVELS WILL START AROUND 5500 FEET MONDAY AFTERNOON QUICKLY
DROPPING TO VALLEY FLOORS MONDAY NIGHT.
* TRAVEL WILL BE AFFECTED MONDAY AFTERNOON THROUGH TUESDAY MORNING
OVER SIERRA PASSES. IT WILL BE COLD ENOUGH FOR SNOW TO STICK
TO THE ROADS CREATING SLICK AND HAZARDOUS DRIVING CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SNOW IS EXPECTED TO POSE AN INCONVENIENCE TO TRAVELERS. ROADS
WILL BECOME SLICK AND HAZARDOUS...WITH SNOW AND ICE FIRST
DEVELOPING ON BRIDGES AND OVERPASSES. MOTORISTS SHOULD SLOW DOWN
AND USE CAUTION.  CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN
TO NOAA WEATHER RADIO FOR UPDATES ON THIS SITUATION.
$$
HTTP://WEATHER.GOV/RENO