AIR QUALITY ALERT
Issue Date: 1037 AM PST THU DEC 10 2009
Expiration: 1045 AM PST FRI DEC 11 2009

AIR QUALITY ALERT MESSAGE
NATIONAL WEATHER SERVICE RENO NV
1037 AM PST THU DEC 10 2009
NVZ003-111845-
GREATER RENO-CARSON CITY-MINDEN AREA-
1037 AM PST THU DEC 10 2009
THE WASHOE COUNTY HEALTH DEPARTMENT HAS ISSUED A STAGE ONE AIR
POLLUTION ALERT FOR THE RENO-SPARKS AREA. THE AIR QUALITY INDEX
HAS INCREASED ABOVE 100...WHICH IS CONSIDERED UNHEALTHFUL.
ALL RESIDENTIAL...COMMERCIAL AND OPEN BURNING IS PROHIBITED IN THE
RENO-SPARKS AREA UNTIL AIR QUALITY IMPROVES. FOR MORE INFORMATION
CALL THE WASHOE COUNTY HEALTH DEPARTMENT RECORDED AIR QUALITY
MESSAGE AT 775-785-4110.
$$
HTTP://WEATHER.GOV/RENO

WINTER STORM WATCH
Issue Date: 446 AM PST THU DEC 10 2009
Expiration: 400 AM PST SUN DEC 13 2009

...STRONG STORM EXPECTED FOR FRIDAY NIGHT AND SATURDAY...
.A DISTURBANCE OFF THE NORTHERN CALIFORNIA COAST WILL MOVE INTO
THE SIERRA AND WESTERN NEVADA THURSDAY NIGHT AND FRIDAY. A LIGHT
SNOWFALL IS EXPECTED IN THE SIERRA AND OUT INTO WESTERN NEVADA BY
FRIDAY MORNING...WHICH MAY CAUSE SOME TRAVEL DIFFICULTIES.
A SECOND...MUCH STRONGER SYSTEM IS EXPECTED FOR FRIDAY NIGHT AND
SATURDAY. THERE ARE STILL SIGNIFICANT MODEL DIFFERENCES AS TO
LOCATION AND AMOUNT OF SNOWFALL IN THE SIERRA. HOWEVER...HEAVY SNOWFALL
COULD FALL FOR PORTIONS OF THE SIERRA FROM FRIDAY NIGHT TO
SATURDAY NIGHT.
CAZ071>073-NVZ002-110115-
/O.NEW.KREV.WS.A.0006.091212T0600Z-091213T1200Z/
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
GREATER LAKE TAHOE AREA-MONO-
INCLUDING THE CITIES OF...PORTOLA...SUSANVILLE...
SOUTH LAKE TAHOE...TRUCKEE...BRIDGEPORT...MAMMOTH LAKES...
INCLINE VILLAGE
446 AM PST THU DEC 10 2009
...WINTER STORM WATCH IN EFFECT FROM FRIDAY EVENING THROUGH LATE
SATURDAY NIGHT...
THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A WINTER STORM
WATCH...WHICH IS IN EFFECT FROM FRIDAY EVENING THROUGH LATE
SATURDAY NIGHT.
* TIMING: SNOW SHOWERS IN THE SIERRA ARE EXPECTED TO INTENSIFY
FRIDAY EVENING...WITH PERIODS OF MODERATE TO HEAVY SNOWFALL
POSSIBLE THROUGH LATE SATURDAY NIGHT.
* TOTAL SNOW ACCUMULATIONS: ONE TO THREE FEET ABOVE 6000 FEET...WITH
LESSER AMOUNTS DOWN TO LOWER VALLEY FLOORS.
* WINDS: SOUTH TO SOUTHWEST WINDS 15 TO 30 MPH WITH GUSTS TO 45
MPH. RIDGE GUSTS OVER 100 MPH ARE POSSIBLE SATURDAY AND SATURDAY
NIGHT.
* SNOW LEVELS: BELOW ALL VALLEY FLOORS FRIDAY EVENING...POSSIBLY
RISING TO 5500 FEET SATURDAY MORNING BEFORE FALLING BELOW ALL
VALLEY FLOORS AGAIN BY SATURDAY EVENING.
* IMPACTS: MAJOR TRAVEL DIFFICULTIES POSSIBLE OVER SIERRA PASSES
WITH NEAR WHITEOUT CONDITIONS.
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.
$$
HTTP://WEATHER.GOV/RENO