HAZARDOUS WEATHER OUTLOOK
Issue Date: 1200 PM PST SAT DEC 05 2009
Expiration: 700 AM PST SUN DEC 06 2009 Expires:200912061500;;
FLUS46 KSTO 051959
HWOSTO
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE SACRAMENTO CA
1154 AM PST SAT DEC 5 2009
CAZ013>019-063-064-066>069-061500-
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-
1154 AM PST SAT DEC 5 2009
THIS HAZARDOUS WEATHER OUTLOOK IS FOR INTERIOR NORTHERN CALIFORNIA.
.DAY ONE...TODAY
COLD AIR MOVING INTO THE REGION IS HELPING TO PRODUCE STRONG GUSTY
WINDS OVER THE NORTHERN END OF THE SACRAMENTO VALLEY THIS AFTERNOON.
TEMPERATURES TONIGHT FOR MOST VALLEY AND FOOTHILL LOCATIONS WILL
DROP BELOW FREEZING. FOR MORE INFORMATION REFER TO THE PRODUCTS
LISTED BELOW.
* WIND ADVISORY..............SEE WWUS76 KSTO - NPWSTO FOR DETAILS *
* FROST ADVISORY.............SEE WWUS76 KSTO - NPWSTO FOR DETAILS *
.DAYS TWO THROUGH SEVEN... SUNDAY THROUGH FRIDAY
A LOW PRESSURE SYSTEM WILL APPROACH NORTHERN CALIFORNIA FROM THE
NORTH AND BEGIN TO IMPACT THE REGION SUNDAY EVENING AND SPREAD
SOUTHWARD MONDAY WITH RAIN AND SNOW. SNOW LEVELS MAY DROP TO 1000 TO
2000 FEET ON MONDAY WITH HEAVY SNOW ACCUMULATIONS POSSIBLE OVER THE
WEST SLOPES OF THE NORTHERN SIERRA NEVADA AND FOOTHILLS. A MILDER
SYSTEM WILL LIKELY IMPACT THE REGION WEDNESDAY THROUGH THE EXTENDED
PERIOD. PRECIPITATION AMOUNTS ARE STILL UNCERTAIN AT THIS TIME.
* FREEZE WARNING.............SEE WWUS76 KSTO - NPWSTO FOR DETAILS *
* WINTER STORM WATCH.........SEE WWUS46 KSTO - WSWSTO FOR DETAILS *
* FROST ADVISORY.............SEE WWUS76 KSTO - NPWSTO 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
$$
HARD FREEZE WATCH
Issue Date: 922 AM PST SAT DEC 05 2009
Expiration: 900 AM PST TUE DEC 08 2009 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PST SUNDAY...
...HARD FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM PST SUNDAY. A
HARD FREEZE WATCH HAS ALSO BEEN ISSUED. THIS HARD FREEZE WATCH IS
IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING.
* TEMPERATURE: TEMPERATURES TONIGHT WILL RANGE FROM THE MID 20S IN
THE COLDER FOOTHILL LOCATIONS TO THE UPPER 20S TO LOWER 30S
THROUGHOUT THE CENTRAL VALLEY.
TEMPERATURES TUESDAY MORNING ARE EXPECTED TO BE COLDER AND RANGE
FROM THE LOWER 20S FOR THE COLDER FOOTHILL LOCATIONS TO THE MID
TO UPPER 20S FOR MOST VALLEY LOCATIONS.
* IMPACTS: SENSITIVE VEGETATION MAY BE HARMED. PETS AND LIVESTOCK
THAT MAY BE SENSITIVE TO THE COLD SHOULD BE BOUGHT INTO PROTECTIVE
AREAS.
* LOCALLY THERE EXIST THE POTENTIAL FOR SOME LOCATIONS TO EXPERIENCE
PROBLEMS WITH WATERLINES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FROST ADVISORY MEANS THAT SENSITIVE OUTDOOR PLANTS MAY BE
KILLED IF LEFT UNCOVERED.
A HARD FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE
FOR A LONGER DURATION. THESE CONDITIONS COULD KILL SENSITIVE CROPS
AND OTHER SENSITIVE VEGETATION.
$$
BARUFFALDI
FROST ADVISORY
Issue Date: 922 AM PST SAT DEC 05 2009
Expiration: 900 AM PST SUN DEC 06 2009 ...FROST ADVISORY IN EFFECT FROM 2 AM TO 9 AM PST SUNDAY...
...HARD FREEZE WATCH IN EFFECT FROM LATE MONDAY NIGHT THROUGH
TUESDAY MORNING...
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 2 AM TO 9 AM PST SUNDAY. A
HARD FREEZE WATCH HAS ALSO BEEN ISSUED. THIS HARD FREEZE WATCH IS
IN EFFECT FROM LATE MONDAY NIGHT THROUGH TUESDAY MORNING.
* TEMPERATURE: TEMPERATURES TONIGHT WILL RANGE FROM THE MID 20S IN
THE COLDER FOOTHILL LOCATIONS TO THE UPPER 20S TO LOWER 30S
THROUGHOUT THE CENTRAL VALLEY.
TEMPERATURES TUESDAY MORNING ARE EXPECTED TO BE COLDER AND RANGE
FROM THE LOWER 20S FOR THE COLDER FOOTHILL LOCATIONS TO THE MID
TO UPPER 20S FOR MOST VALLEY LOCATIONS.
* IMPACTS: SENSITIVE VEGETATION MAY BE HARMED. PETS AND LIVESTOCK
THAT MAY BE SENSITIVE TO THE COLD SHOULD BE BOUGHT INTO PROTECTIVE
AREAS.
* LOCALLY THERE EXIST THE POTENTIAL FOR SOME LOCATIONS TO EXPERIENCE
PROBLEMS WITH WATERLINES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FROST ADVISORY MEANS THAT SENSITIVE OUTDOOR PLANTS MAY BE
KILLED IF LEFT UNCOVERED.
A HARD FREEZE WATCH MEANS SUB-FREEZING TEMPERATURES ARE POSSIBLE
FOR A LONGER DURATION. THESE CONDITIONS COULD KILL SENSITIVE CROPS
AND OTHER SENSITIVE VEGETATION.
$$
BARUFFALDI
SPECIAL WEATHER STATEMENT
Issue Date: 505 AM PST SAT DEC 05 2009
Expiration: 400 PM PST SAT DEC 05 2009 ...COLDER AND WETTER WEATHER LATER THIS WEEKEND INTO EARLY NEXT
WEEK FOLLOWED BY MORE STORMY WEATHER MID WEEK...
...VERY COLD TEMPERATURES EXPECTED IN THE CENTRAL VALLEY MONDAY
NIGHT...
A STRONG COLD FRONT WILL BRING MUCH COLDER TEMPERATURES ALONG WITH
RAIN AND SNOW SHOWERS TO THE INTERIOR OF NORTHERN CALIFORNIA
SUNDAY NIGHT AND MONDAY. SNOW LEVELS MAY LOWER TO BELOW 1000 FEET
EARLY MONDAY AROUND REDDING...AND WILL RANGE FROM 1000 TO 2000
FEET IN THE FOOTHILLS OF THE NORTHERN SIERRA NEVADA...AND SIGNIFICANT
SNOWFALL WILL BE POSSIBLE IN SOME OF THE SIERRA NEVADA FOOTHILL
AND MOTHERLODE COMMUNITIES SUCH AS PARADISE...GRASS VALLEY...AND
PLACERVILLE.
THE COLDEST MIMIMUM TEMPERATURES ARE EXPECTED TO OCCUR MONDAY
NIGHT AND EARLY TUESDAY MORNING AS SKIES CLEAR BEHIND THE WEATHER
SYSTEM AS IT EXITS TO OUR EAST. MINIMUM TEMPERATURES IN THE LOWER
TO MID 20S WILL BE POSSIBLE THROUGHOUT THE SACRAMENTO AND NORTHERN
SAN JOAQUIN VALLEYS...WITH READINGS IN THE SINGLE DIGITS AND TEENS
WIDESPREAD IN THE MOUNTAINS.
A SOMEWHAT MILDER SERIES OF WEATHER SYSTEMS WILL ARRIVE AROUND
WEDNESDAY AND CONTINUE THROUGH THE REMAINDER OF THE WORK WEEK.
THESE WILL HAVE THE POTENTIAL FOR HEAVIER RAINFALL IN THE VALLEY
AND LIKELY BRING ANOTHER ROUND OF HEAVY SNOW OVER THE MOUNTAINS.
THERE REMAINS A FAIR AMOUNT OF UNCERTAINTY IN THE TRACK AND THE
AMOUNT OF PRECIPITATION WITH THESE SYSTEMS.
PLEASE MONITOR THE LATEST NATIONAL WEATHER SERVICE FORECAST FOR
UPDATES TO THIS WEATHER SITUATION.
$$
WINTER STORM WATCH
Issue Date: 421 AM PST SAT DEC 05 2009
Expiration: 700 PM PST MON DEC 07 2009 ...SNOWFALL EXPECTED THROUGHOUT THE EASTERN SIERRA AND WESTERN
NEVADA SUNDAY NIGHT THROUGH MONDAY NIGHT...
.A COLD LOW PRESSURE SYSTEM WILL COMBINE WITH PACIFIC MOISTURE TO
GENERATE SNOWFALL ACROSS THE EASTERN SIERRA AND WESTERN NEVADA.
THIS WILL CREATE A SIGNIFICANT IMPACT FOR TRAVEL MONDAY
MORNING...AND POSSIBLY THROUGHOUT THE DAY MONDAY AS THE COLD
TEMPERATURES WILL NOT ALLOW FOR THE SNOW TO MELT. SNOW RATIOS WILL
BE IMPRESSIVE...ABOUT 25 TO 1 THROUGHOUT THE EVENT...SO THE POWDER
WILL PILE UP QUICKLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY
CREATE HAZARDOUS WINTER DRIVING CONDITIONS. CONTINUE TO MONITOR
THE LATEST FORECASTS AT WEATHER.GOV/RENO OR LISTEN TO NOAA
WEATHER RADIO.
CAZ071-072-NVZ002-060000-
/O.NEW.KREV.WS.A.0005.091207T0300Z-091208T0300Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
GREATER LAKE TAHOE AREA-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...
SOUTH LAKE TAHOE...TRUCKEE...INCLINE VILLAGE
421 AM PST SAT DEC 5 2009
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY EVENING...
THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH MONDAY
EVENING.
* TIMING: LIGHT SNOW WILL BEGIN SUNDAY EVENING BECOMING MODERATE
TO HEAVY AT TIMES BY MONDAY MORNING. SNOW WILL LAST THROUGH THE
DAY MONDAY.
* TOTAL SNOW ACCUMULATIONS: POTENTIALLY 8-16 INCHES ABOVE 5000
FEET SOUTH OF HIGHWAY 36 INCLUDING THE LAKE TAHOE BASIN. UP TO 2
FEET IS POSSIBLE ABOVE 7000 FEET. UP TO 6 INCHES ACROSS NORTHERN
AND EASTERN LASSEN COUNTY.
* WINDS: 10 TO 25 MPH WITH GUSTS UP TO 35 MPH. RIDGES WILL BE
GUSTING UP TO 70 MPH.
* IMPACTS: SNOW WILL CREATE SLICK ROADS AND HAZARDOUS DRIVING
CONDITIONS ACROSS ALL AREAS IN THE WATCH. VISIBILITY MAY BE
REDUCED BELOW A HALF MILE AT TIMES DUE TO HEAVY SNOW AND GUSTY
WINDS.
$$
LAKE WIND ADVISORY
Issue Date: 349 AM PST SAT DEC 05 2009
Expiration: 600 PM PST SAT DEC 05 2009 ...LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
6 PM PST THIS EVENING...
A LAKE WIND ADVISORY REMAINS IN EFFECT FROM 8 AM THIS MORNING TO
6 PM PST THIS EVENING.
* WINDS: WEST WINDS INCREASING TO 15 TO 20 MPH WITH GUSTS TO 35
MPH FOR LAKE TAHOE. NORTHWEST WINDS 10 TO 15 MPH SHIFTING TO
NORTH AND INCREASING TO 15 TO 20 MPH WITH GUSTS TO 30 MPH BY
LATE MORNING FOR PYRAMID LAKE.
* WAVE HEIGHTS: BUILDING TO 2 TO 3 FEET WITH THE HIGHEST WAVES
ALONG THE EAST SHORE OF LAKE TAHOE. FOR PYRAMID LAKE WAVES
WILL BUILD TO TO 2 TO 3 FEET WITH THE HIGHEST WAVES ALONG THE
SOUTH AND SOUTHWEST SHORES.
* SMALL BOATS WILL BE PRONE TO CAPSIZING AND SHOULD REMAIN OFF
LAKE WATERS UNTIL CONDITIONS IMPROVE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
CHECK OUR WEBSITE AT WEATHER.GOV/RENO OR LISTEN TO NOAA WEATHER
RADIO FOR UPDATES ON THIS SITUATION.
&&
$$
WINTER STORM WATCH
Issue Date: 330 AM PST SAT DEC 05 2009
Expiration: 600 PM PST MON DEC 07 2009 ...WINTER STORM EXPECTED TO IMPACT NORTHERN CALIFORNIA SUNDAY
NIGHT AND MONDAY...
.A WEATHER SYSTEM ORIGINATING FROM WESTERN CANADA WILL MOVE
SOUTHWARD AND GATHER STRENGTH SUNDAY BEFORE BRINGING HEAVY SNOW
AND GUSTY WINDS TO THE NORTHERN SIERRA NEVADA AND FOOTHILLS SUNDAY
NIGHT AND MONDAY. LOW SNOW LEVELS ARE EXPECTED...LOWERING TO
AROUND 1000 TO 2000 FEET MONDAY. SNOW IS EXPECTED TO TAPER OFF
FROM THE NORTH BY MONDAY EVENING.
CAZ066>069-060000-
/O.NEW.KSTO.WS.A.0010.091207T0200Z-091208T0200Z/
NORTHEAST FOOTHILLS/SACRAMENTO VALLEY-MOTHERLODE-
WESTERN PLUMAS COUNTY/LASSEN PARK-
WEST SLOPE NORTHERN SIERRA NEVADA-
INCLUDING THE CITIES OF...PARADISE...GRASS VALLEY...JACKSON...
CHESTER...QUINCY...BLUE CANYON
330 AM PST SAT DEC 5 2009
...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY AFTERNOON...
THE NATIONAL WEATHER SERVICE IN SACRAMENTO HAS ISSUED A WINTER
STORM WATCH FOR HEAVY SNOW...WHICH IS IN EFFECT FROM SUNDAY
EVENING THROUGH MONDAY AFTERNOON FOR THE WEST SLOPES OF THE
NORTHERN SIERRA NEVADA...WESTERN PLUMAS COUNTY AND THE LASSEN PARK
AREA...THE FOOTHILLS OF THE NORTHERN SIERRA NEVADA AND MOTHERLODE.
* TIMING: SNOW IS EXPECTED TO BEGIN SUNDAY EVENING...BECOME HEAVY
OVERNIGHT AND CONTINUE MONDAY BEFORE TAPERING OFF BY MONDAY
EVENING.
* SNOW LEVEL: RANGING FROM 1500 FEET NEAR REDDING TO 2500 FEET
NORTH OF YOSEMITE EARLY SUNDAY EVENING...LOWERING TO AROUND 1000
TO 2000 FEET ON MONDAY.
* MAIN IMPACT: HEAVY SNOW WILL BE LIKELY SUNDAY NIGHT AND MONDAY.
STORM TOTAL SNOWFALL ACCUMULATION OF 5 TO 10 INCHES WILL BE
POSSIBLE IN THE FOOTHILLS WITH UP TO 2 FEET OR MORE POSSIBLE AT
THE HIGHER ELEVATIONS OF NORTHERN SIERRA. SEVERE WINTER DRIVING
CONDITIONS WILL BE LIKELY.
* OTHER IMPACTS: SOUTHWEST WIND GUSTS OF 40 TO 50 MPH WILL RESULT
IN AREAS OF BLOWING AND DRIFTING SNOW WITH NEAR ZERO VISIBILITY
AT TIMES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT
SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL.
CONTINUE TO MONITOR THE LATEST FORECASTS.
$$
SPECIAL WEATHER STATEMENT
Issue Date: 344 PM PST FRI DEC 04 2009
Expiration: 500 PM PST SAT DEC 05 2009 ...COLDER AND WETTER WEATHER THIS WEEKEND INTO EARLY NEXT WEEK
FOLLOWED BY MORE STORMY WEATHER MID WEEK...
A COLD FRONT WILL BRING COLDER TEMPERATURES AND RAIN AND SNOW
SHOWERS TO INTERIOR NORTHERN CALIFORNIA SUNDAY AND INTO EARLY
NEXT WEEK. SNOW LEVELS MAY LOWER TO 500 TO 1000 FEET LATE SUNDAY
NIGHT AND INTO MONDAY AROUND REDDING...AND INTO SOME OF THE
SIERRA NEVADA FOOTHILL AND MOTHERLODE COMMUNITIES SUCH AS
PARADISE...GRASS VALLEY...AND POSSIBLY AUBURN. A DUSTING OF SNOW
IS POSSIBLE AT THESE LOCATIONS.
THE COLDEST TEMPERATURES ARE EXPECTED TUESDAY MORNING WITH
MINIMUM TEMPERATURES IN THE 20S EXPECTED THROUGHOUT THE INTERIOR
VALLEY...AND SINGLE DIGITS AND TEENS IN THE MOUNTAINS.
A WARMER STORM WILL ARRIVE MID WEEK WITH THE POTENTIAL FOR HEAVY
RAINFALL AND SIGNIFICANT MOUNTAIN SNOWFALL AS SNOW LEVELS
INCREASE.
THERE REMAINS A FAIR AMOUNT OF UNCERTAINTY IN THE TRACK AND THE
AMOUNT OF PRECIPITATION WITH THESE SYSTEMS.
PLEASE MONITOR THE LATEST NATIONAL WEATHER SERVICE FORECAST FOR
UPDATES TO THIS WEATHER SITUATION.
$$
JHM
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