HAZARDOUS WEATHER OUTLOOK
Issue Date: 509 AM PST TUE DEC 15 2009
Expiration: 700 AM PST WED DEC 16 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.
.DAY ONE...TODAY
PERIODS OF MODERATE TO HEAVY PRECIPITATION WILL DEVELOP ACROSS THE
NORTHERN MOUNTAINS TODAY AND CONTINUE TONIGHT.
* WINTER STORM WARNING.......SEE WWUS46 KSTO - WSWSTO FOR DETAILS *
* WINTER WEATHER ADVISORY....SEE WWUS46 KSTO - WSWSTO FOR DETAILS *
.DAYS TWO THROUGH SEVEN... WEDNESDAY THROUGH MONDAY
PRECIPITATION WILL TAPER OFF ACROSS THE REGION WEDNESDAY WITH MOSTLY
DRY WEATHER EXPECTED FOR THE REMAINDER OF THE EXTENDED PERIOD EXCEPT
FOR A CHANCE OF PRECIPITATION AT TIMES ACROSS THE NORTHERN MOUNTAINS.
* WINTER STORM WARNING.......SEE WWUS46 KSTO - WSWSTO FOR DETAILS *
.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
SPECIAL WEATHER STATEMENT
Issue Date: 854 PM PST MON DEC 14 2009
Expiration: 900 AM PST TUE DEC 15 2009
...ANOTHER ROUND OF STORMY WEATHER FOR INTERIOR NORTHERN
CALIFORNIA THROUGH WEDNESDAY...
A MOIST AND RELATIVELY WARM STORM SYSTEM WILL BRING RAIN AND SNOW
TO INTERIOR NORTHERN CALIFORNIA BEGINNING TONIGHT AND CONTINUING THROUGH
WEDNESDAY. PRECIPITATION WILL INITIALLY REMAIN NORTH OF INTERSTATE
80 BEFORE SPREADING SOUTHWARD TUESDAY AND WEDNESDAY.
THE PRIMARY IMPACTS WILL BE TO CREATE HAZARDOUS CONDITIONS ON
ROADWAYS AND FOR OTHER MEANS OF TRAVEL BUT HEAVY SNOW COULD ALSO
CAUSE POWER LINE PROBLEMS DUE TO BROKEN TREE BRANCHES. MINOR URBAN
AND SMALL STREAM FLOODING IS ALSO A POSSIBILITY DURING PERIODS OF
HEAVY PRECIPITATION.
SNOW LEVELS WILL BEGIN IN THE 4000 TO 5000 FOOT RANGE BUT WILL
RISE THROUGHOUT THE STORM. SNOW LEVELS WILL BE 5000 TO 6000 FEET
BY MIDDAY ON TUESDAY AND 5500 TO 6500 FEET BY MIDDAY ON WEDNESDAY.
THE GREATEST SNOWFALL AMOUNTS WILL BE IN THE FAR NORTHERN SIERRA
NEVADA MOUNTAINS INCLUDING NEAR LASSEN VOLCANIC NATIONAL PARK.
MANY LOCATIONS WILL RECEIVE MORE THAN A FOOT OF SNOW WITH THE
HIGHEST ELEVATIONS RECEIVING MORE THAN TWO FEET OF SNOW. LESSER
AMOUNTS WILL FALL IN THE COASTAL... NORTHERN... AND CENTRAL SIERRA
NEVADA MOUNTAINS BUT SNOW DEPTHS COULD REACH UP TO SIX INCHES IN
FAVORED LOCATIONS.
UP TO AN INCH OF RAIN IS EXPECTED IN THE VALLEY AND FOOTHILLS
WITH LOCALLY HIGHER TOTALS TOWARDS THE NORTHERN END OF THE
SACRAMENTO VALLEY AND LESSER AMOUNTS FROM INTERSTATE 80 AND SOUTHWARD.
WINDS WILL REMAIN RELATIVELY MILD THROUGHOUT THE EVENT. VALLEY
WINDS WILL BE 10 TO 15 MPH WITH GUSTS TO 25 MPH. MOUNTAIN WINDS
WILL BE 10 TO 20 MPH WITH GUSTS TO 35 MPH BUT LOCALLY STRONGER
THROUGH MOUNTAIN PASSES.
CONDITIONS CAN DETERIORATE RAPIDLY DURING WINTER STORMS. TRAVELERS
SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS BY CARRYING
TIRE CHAINS... EXTRA FOOD AND WATER... AND BY ALLOWING EXTRA TIME
TO REACH DESTINATIONS.
LISTEN TO NOAA WEATHER RADIO... CHECK OUR WEBSITE AT
WEATHER.GOV/SACRAMENTO... OR MONITOR OTHER MEDIA OUTLETS FOR
CURRENT WEATHER CONDITIONS AND UPDATES TO THIS STORM SYSTEM.
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