SPECIAL WEATHER STATEMENT
Issue Date: 450 AM PST SAT DEC 05 2009
Expiration: 500 PM PST SAT DEC 05 2009

...ACTIVE WEATHER PATTERN LIKELY THROUGH NEXT WEEK...
A CHANGE IN THE WEATHER PATTERN BEGINS TODAY WITH A STRENGTHENING
PACIFIC JET STREAM BRINGING A SERIES OF STORM SYSTEMS INTO
CALIFORNIA AND NEVADA.
THE FIRST SYSTEM WILL BE ACCOMPANIED BY A COLD AIR MASS...BRINGING
SNOW TO EASTERN CALIFORNIA AND WESTERN NEVADA FROM SUNDAY NIGHT
THROUGH MONDAY. MODERATE SNOW ACCUMULATIONS ARE POSSIBLE ACROSS
THE EASTERN SIERRA AND PORTIONS OF WESTERN NEVADA WHICH COULD
PRODUCE DIFFICULT DRIVING CONDITIONS FOR THE MONDAY MORNING
COMMUTE. A WINTER STORM WATCH HAS BEEN ISSUED FOR PORTIONS OF
EASTERN CA AND WESTERN NV. SEE RNOWSWREV FOR ADDITIONAL DETAILS.
A VERY COLD AIR MASS WILL MOVE INTO THE AREA MONDAY INTO TUESDAY
WITH HIGH TEMPERATURES STRUGGLING TO REACH FREEZING EVERYWHERE.
LOW TEMPERATURES TUESDAY MORNING HAVE THE POTENTIAL TO BE QUITE
COLD...TEN DEGREES BELOW ZERO UP TO 15 DEGREES ABOVE ZERO. THESE
WELL BELOW NORMAL TEMPERATURES MAY CONTINUE INTO WEDNESDAY.
A SECOND STORM IS POSSIBLE LATE WEDNESDAY INTO FRIDAY. THIS
SYSTEM WILL BE WARMER THAN THE FIRST...BUT WITH PLENTY OF COLD AIR
TRAPPED IN THE VALLEYS...THE STORM WILL BEGIN AS SNOW...POSSIBLY
CHANGING OVER TO RAIN BELOW 5500 FEET LATE IN THE EVENT.
SIGNIFICANT PRECIPITATION AMOUNTS ARE POSSIBLE WITH THIS STORM.
WITH BOTH SYSTEMS...WINDS WILL INCREASE AND BECOME STRONG
ESPECIALLY ON THE SIERRA RIDGES.
LOCAL OFFICIALS...EMERGENCY MANAGERS AND ANYONE WITH TRAVEL PLANS
THIS UPCOMING WEEK SHOULD CONTINUE TO MONITOR THE FORECASTS AND
FURTHER STATEMENTS FOR BOTH THESE STORMS.
$$
HTTP://WEATHER.GOV/RENO

WINTER STORM WATCH
Issue Date: 421 AM PST SAT DEC 05 2009
Expiration: 1000 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.
CAZ073-NVZ003-060000-
/O.NEW.KREV.WS.A.0005.091207T0600Z-091208T0600Z/
MONO-GREATER RENO-CARSON CITY-MINDEN AREA-
INCLUDING THE CITIES OF...BRIDGEPORT...MAMMOTH LAKES...SPARKS
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 NIGHT BECOMING MODERATE AT
TIMES BY MONDAY MORNING. SNOW WILL LAST THROUGHOUT THE DAY
MONDAY.
* TOTAL SNOW ACCUMULATIONS: POTENTIALLY UP TO 6 INCHES THROUGH
WESTERN NEVADA VALLEYS WITH 4-9 INCHES IN THE FOOTHILLS OF
WESTERN NEVADA AND MONO COUNTY VALLEYS. UP TO 20 INCHES IS
POSSIBLE ABOVE 7000 FEET IN MONO COUNTY.
* WINDS: 15 TO 30 MPH WITH GUSTS UP TO 40 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. THE MORNING COMMUTE
THROUGH THE GREATER RENO/SPARKS/CARSON CITY AREA MAY BE
SIGNIFICANTLY IMPACTED. VISIBILITY MAY BE REDUCED TO HALF A MILE
AT TIMES IN THE SNOW AND GUSTY WINDS.
$$
HTTP://WEATHER.GOV/RENO

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: 449 PM PST FRI DEC 04 2009
Expiration: 600 PM PST SAT DEC 05 2009

...LAKE WIND ADVISORY IN EFFECT FROM 8 AM TO 6 PM PST SATURDAY...
THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A LAKE WIND
ADVISORY...WHICH IS IN EFFECT FROM 8 AM TO 6 PM PST SATURDAY.
* 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 SOUTHEAST 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.
$$
HTTP://WEATHER.GOV/RENO