Washoe County, Nevada
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The National Weather Service's Watches, Warnings and Advisories by state counties include: Thunderstorm, Tornado, Flood, Flash Flood, Winter Storm, High Wind, Gale, Small Aircraft, High Surf, Marine, Heat, Air Quality, Ashfall, Hazardous, and Special Statements.
Weather Alerts: Washoe County, Nevada
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Special Weather Statement
CAZ070>073-NVZ001>005-121400-
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
1139 AM PST Mon Dec 11 2017

...Strong Inversions Continue This Week...

Persistent high pressure and lack of wind will keep valley
inversions in place through at least Thursday this week.

* The main impacts will be continued hazy conditions for lower
elevation valleys in Western Nevada and eastern California.
Local air quality districts will issue alerts as needed if
pollution values become high enough.

* Morning temperatures will continue to be quite cold for lower
elevation valleys including urban areas such as Reno. Tuesday
and Wednesday mornings could see the coldest lows of the winter
season so far with widespread teens, or even single digits
possible in rural valleys. Mountain areas will remain
considerably warmer.

* A weak storm passing to our north Friday should be just enough
to erode the inversions, resulting in warmer temperatures and
less haze buildup Friday into the weekend.

* Inversions are where cold air is trapped in valleys allowing
smoke and pollutants to build up. They are fairly normal for
our region in winter, and can remain in place for many days or
even weeks especially with snowcover on the ground. Normally it
takes a winter storm with increased winds to rid the region of
these inversions.

$$
National Weather Service

Providing "weather, water cycle, and climate forecasts and warnings for the United States, its territories, adjacent waters and ocean areas, for the protection of life and property and the enhancement of the national economy."
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