HAZARDOUS WEATHER OUTLOOK
Issue Date: 635 AM PST FRI DEC 11 2009
Expiration: 700 AM PST SAT DEC 12 2009

Expires:200912121500;;
FLUS46 KSTO 111434
HWOSTO
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SACRAMENTO CA
700 AM PST FRI DEC 11 2009
CAZ013>019-063-064-066>069-121500-
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-
700 AM PST FRI DEC 11 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.
.DAY ONE...TODAY
A PACIFIC STORM WILL MOVE THROUGH TODAY INTO TONIGHT BRINGING
PERIODS OF MODERATE SNOW IN THE MOUNTAINS.
* WINTER WEATHER ADVISORY....SEE WWUS46 KSTO - WSWSTO FOR DETAILS *
.DAYS TWO THROUGH SEVEN... SATURDAY THROUGH THURSDAY
A SIGNIFICANTLY STRONGER STORM WILL BRING A DOSE OF HEAVY SNOW AND
STRONG WINDS TO THE MOUNTAINS SATURDAY INTO SUNDAY MORNING.
* WINTER STORM WATCH.........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
$$

WINTER WEATHER ADVISORY
Issue Date: 418 AM PST FRI DEC 11 2009
Expiration: 1000 PM PST FRI DEC 11 2009

...SERIES OF WINTER STORMS WILL MOVE THROUGH THE SIERRA NEVADA
TODAY THROUGH SUNDAY...
.THE FIRST IN A SERIES OF PACIFIC STORMS IS MOVING THROUGH
NORTHERN CALIFORNIA AND WILL PRODUCE PERIODS OF SNOW IN THE
MOUNTAINS. A SECOND STRONGER STORM IS FORECAST TO MOVE THROUGH
SATURDAY INTO SUNDAY. THIS SECOND STORM WILL PRODUCE SIGNIFICANT
SNOW IN THE MOUNTAINS ALONG WITH STRONG WIND.
CAZ068-069-112300-
/O.CON.KSTO.WW.Y.0025.000000T0000Z-091212T0600Z/
/O.CON.KSTO.WS.A.0011.091212T0600Z-091213T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF...CHESTER...QUINCY...BLUE CANYON
417 AM PST FRI DEC 11 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...
...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH
SUNDAY MORNING...
A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING. A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING
THROUGH SUNDAY MORNING.
* TIMING: PERIODS OF LIGHT TO MODERATE SNOW CAN BE EXPECTED TODAY
  INTO TONIGHT. A SECOND STORM WILL BRING HEAVY SNOW TO THE AREA
  SATURDAY INTO SUNDAY MORNING.
* SNOW LEVEL: RISING TO AROUND 4500 FEET IN WESTERN PLUMAS COUNTY
  AND LASSEN PARK THIS AFTERNOON THEN CONTINUING AROUND 4000 FEET
  IN THE EVENING. SNOW LEVEL 5000 TO 6000 FEET OVER THE WEST
  SLOPES OF THE SIERRA NEVADA.
* MAIN IMPACT: 5 TO 10 INCHES OF SNOW POSSIBLE OVER HIGHER TERRAIN
  TODAY INTO THIS EVENING AS THE FIRST STORM MOVES THOUGH. THE
  SECOND STRONGER STORM WILL BRING 1 TO 3 FEET OF SNOW.
* OTHER IMPACTS: LOCAL SOUTH TO SOUTHWEST WIND GUSTS 30 TO 40 MPH
  POSSIBLE OVER HIGHER TERRAIN TODAY INTO THIS EVENING. STRONG
  SOUTH TO SOUTHWEST WIND GUSTS OF 50 TO 70 MPH OVER HIGHER
  TERRAIN SATURDAY INTO SATURDAY NIGHT RESULTING IN AREAS OF
  BLOWING AND DRIFTING SNOW WITH NEAR ZERO VISIBILITIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...BLOWING SNOW...SLEET...ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
&&
$$

WINTER STORM WATCH
Issue Date: 900 PM PST THU DEC 10 2009
Expiration: 1000 AM PST SUN DEC 13 2009

...SERIES OF WINTER STORMS WILL MOVE THROUGH THE SIERRA NEVADA
TONIGHT THROUGH SUNDAY...
.TWO PACIFIC STORMS WILL AFFECT THE INTERIOR OF NORTHERN
CALIFORNIA BEGINNING TONIGHT AND CONTINUING INTO SUNDAY. THE
FIRST STORM WILL MOVE INLAND TONIGHT AND FRIDAY BRINGING
RELATIVELY LIGHT RAIN AND MOUNTAIN SNOW TO INTERIOR NORTHERN
CALIFORNIA.
THE SECOND STORM WILL BE MUCH STRONGER...WETTER AND WINDIER WITH
MORE OF AN ADVERSE IMPACT ON THE AREA. THE SECOND STORM IS
EXPECTED TO BRING SEVERAL FEET OF SNOW TO THE WEST SLOPES OF THE
SIERRA NEVADA BEGINNING EARLY SATURDAY AND CONTINUING THROUGH
SUNDAY. MUCH STRONGER WINDS ARE EXPECTED WITH THE SECOND STORM.
CAZ068-069-111430-
/O.CON.KSTO.WW.Y.0025.000000T0000Z-091212T0600Z/
/O.CON.KSTO.WS.A.0011.091212T0600Z-091213T1800Z/
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF...CHESTER...QUINCY...BLUE CANYON
900 PM PST THU DEC 10 2009
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST
FRIDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY EVENING
THROUGH SUNDAY MORNING...
A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT UNTIL 10 PM
PST FRIDAY. A WINTER STORM WATCH REMAINS IN EFFECT FROM FRIDAY
EVENING THROUGH SUNDAY MORNING.
* TIMING: SNOW WILL BEGIN LATE THIS EVENING AND CONTINUE THROUGH
FRIDAY EVENING. THE SECOND STORM WILL BRING PERIODS OF HEAVY
SNOW TO THE AREA ON SATURDAY AND INTO SUNDAY.
* SNOW LEVEL: BELOW 3000 FEET THIS EVENING...RISING TO 4000 FEET
OF WESTERN PLUMAS AND TO 5000 FEET OVER THE WEST SLOPES ON
FRIDAY.
* MAIN IMPACT: 6 TO 12 INCHES OF SNOW FROM LATE TONIGHT THROUGH
FRIDAY EVENING...WITH SEVERAL FEET OF ADDITIONAL SNOW EXPECTED
OVER THE WEEKEND. THIS SECOND STORM IS EXPECTED TO BRING THE
GREATEST SNOW OF THIS WINTER SEASON TO THE HIGHER ELEVATIONS OF
THE SIERRA NEVADA.
* OTHER IMPACTS: LIGHT WINDS TONIGHT AND FRIDAY...WITH STRONG
SOUTHWEST WIND GUSTS OF 50 TO 70 MPH AT TIMES OVER HIGHER
TERRAIN RESULTING IN AREAS OF BLOWING AND DRIFTING SNOW WITH
NEAR ZERO VISIBILITIES SATURDAY AND INTO SUNDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...BLOWING SNOW...SLEET...ICE ACCUMULATIONS THAT MAY IMPACT
TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.
A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.
$$