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Winter Storm Watch

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avatar Winter Storm Watch
December 31, 2020 08:11AM
National Weather Service Reno NV
1231 PM PST Wed Dec 30 2020

Lassen-Eastern Plumas-Eastern Sierra Counties-
Greater Lake Tahoe Area-Mono County-
Including the cities of Portola, Susanville, South Lake Tahoe,
Truckee, Bridgeport, Coleville, Mammoth Lakes, Stateline,
and Incline Village
1231 PM PST Wed Dec 30 2020


* WHAT...Heavy snow possible. Total snow accumulations of 3 to 8
inches, except 1 foot or more above 7000 feet possible. Exposed
Sierra ridge winds could gust to 100 mph or higher.

* WHERE...Greater Lake Tahoe Area, Lassen-Eastern Plumas-Eastern
Sierra Counties, and Mono County.

* WHEN...From Sunday evening through Monday evening.

* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the morning or evening commute. Very
strong winds could cause extensive tree damage.

* ADDITIONAL DETAILS...This is expected to be the first of a
series of storms next week. Plan on difficult travel in and
around the Sierra through much of next week with a bigger storm
possible Tuesday night into Wednesday.


Now is the time to prepare an emergency kit for your home and
car. If traveling consider alternate plans, remember to carry
tire chains, extra food, water and clothing. Once the storm
arrives, travel may be difficult or impossible for an extended
period of time.


avatar Special Weather Statement
December 31, 2020 08:17AM
National Weather Service RENO NV
257 AM PST Thu Dec 31 2020

Surprise Valley California-Lassen-Eastern Plumas-
Eastern Sierra Counties-Greater Lake Tahoe Area-Mono County-
Mineral and Southern Lyon Counties-Greater Reno-Carson City-
Minden Area-Western Nevada Basin and Range including Pyramid Lake-
Northern Washoe County-
Including the cities of Cedarville, Eagleville, Fort Bidwell,
Portola, Susanville, Westwood, Sierraville, Loyalton,
South Lake Tahoe, Tahoe City, Truckee, Markleeville, Bridgeport,
Coleville, Lee Vining, Mammoth Lakes, Hawthorne, Yerington,
Smith Valley, Mina, Schurz, Stateline, Glenbrook,
Incline Village, Sparks, Verdi, Gardnerville, Virginia City,
Fernley, Fallon, Lovelock, Silver Springs, Nixon, Imlay, Empire,
and Gerlach
257 AM PST Thu Dec 31 2020

...Extensive Period of Stormy Weather Anticipated to Start 2021...

A notable change to a more active weather pattern is forecast for
the Sierra and western Nevada with multiple periods of strong winds,
heavy mountain snow, along with valley rain and snow. This will
likely cause significant travel impacts in the Sierra next week.
Chances for valley snow (including down here in Reno/Carson) will
be increasing by midweek.

* Active storm track for next week: A much wetter and windier
pattern is expected to begin late in the weekend and last
through much of next week as a series of Pacific storms with
adequate moisture affects the Sierra and western Nevada. Showery
precipitation is expected to begin Saturday through the weekend,
with the best chances for strong storms with significant
precipitation and wind looking to be Sunday night into Monday
and again Wednesday into Thursday. The latter storm is trending
colder, which means increased chances for snow in western
Nevada valleys.

* Abundance of impacts next week: Periods of heavy snow in the
Sierra with significant travel disruptions for passes along with
avalanche concerns. Rain or snow (or both) for mountain valleys
and western Nevada valleys. Strong winds are possible, which may
result in impacts for high profile vehicles and aviation, and
possible tree and fence damage near wind prone areas. Keep a
close eye on the forecast, be sure to allow extra time, and
check road conditions with NDOT and Caltrans before you depart.

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