* WHAT...Heavy snow expected. Accumulation amounts range from up to
1 foot around 2000 to 2500 feet, 1 to 2 feet at 2500 to 3500 feet
and 4 to 8 feet at higher elevations. Wind gusts of 45 to 55mph
expected.

* WHERE...West Slope Northern Sierra Nevada and Western Plumas
County/Lassen Park including Interstate 80 and Highway 50,
northern Shasta County including portions of Interstate 5, the
Coastal Range, and foothill regions of the Sierra Nevada.

* WHEN...Until 10 PM PST Thursday.

* IMPACTS...Dangerous to near impossible travel conditions with
chain controls and road closures. Low visibility due to a
combination of wind and heavy snow.

* ADDITIONAL DETAILS...Snow levels will be around 2500 to 3500 feet
by Monday night and 1500 to 2500 feet Tuesday through Thursday.
Potential to see snow levels as low as 1000 feet at times along
the Sierra and below 1000 feet in the northern Sacramento Valley.

Check the latest road conditions from Caltrans online at
quickmap.dot.ca.gov or dial 5 1 1.

* WHAT...Heavy snow. Snow accumulations between 2 to 3 feet in the
Tahoe Basin, highest on the west shore, and much of Alpine County.
Snow accumulations of 3 to 5 feet above 7000 feet. Winds on
Tuesday gusting up to 50 mph in valleys, with Sierra ridge gusts
over 100 mph.

* WHERE...Greater Lake Tahoe Area.

* WHEN...Until 10 PM PST Wednesday.

* IMPACTS...Travel could be very difficult to impossible with
periods of white out conditions. Very strong winds could cause
damage to trees and power lines.

* ADDITIONAL DETAILS...The highest snowfall rates will be mid-Monday
morning through Monday evening, then a second wave mid-Tuesday
morning through early Wednesday morning.

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. The latest road conditions for
the state you are calling from can be obtained by calling 5 1 1.

* WHAT...Urban and small stream flooding caused by excessive
rainfall continues.

* WHERE...Portions of Placer, Amador, Calaveras, El Dorado,
Sacramento, San Joaquin, Stanislaus and Yolo Counties.

* WHEN...Until 400 PM PST.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Water over roadways. Ponding of water in urban or other areas is
occurring or is imminent.

* ADDITIONAL DETAILS...
- At 1140 AM PST, Doppler radar indicates moderate to heavy
rain in the advisory area. This will continue to cause urban
and small stream flooding. Between 1 and 2.5 inches of rain
have fallen over the past 12 hours.
- Some locations that will experience flooding include...
Sacramento, Stockton, Elk Grove, Roseville, Citrus Heights,
Folsom, Rocklin, Galt, Fair Oaks, Carmichael, El Dorado
Hills, Cameron Park, Rancho Cordova, Lodi, West Sacramento,
Lathrop, Ione, Loomis, Rancho Murieta and Rancho Seco Park.
- US Highway 50
- http://www.weather.gov/safety/flood

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

* WHAT...South winds 15 to 25 mph with gusts of 35 to 45 mph
expected.

* WHERE...Sacramento Valley.

* WHEN...Until 10 PM PST Thursday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree
limbs could be blown down and a few power outages may result.

* ADDITIONAL DETAILS...A brief lull in stronger winds is expected on
Wednesday, with another round of gusty winds late Wednesday into
Thursday.

Winds this strong can make driving difficult, especially for high
profile vehicles. Use extra caution.

AVAREV

The following message is transmitted at the request of the U.S.
Forest Service Sierra Avalanche Center.

The Sierra Avalanche Center in Truckee has issued a BACKCOUNTRY
AVALANCHE WATCH for the following areas: NWS Reno NV - NVZ002
(Greater Lake Tahoe)...CAZ072 (Greater Lake Tahoe (CA))

* WHAT...HIGH avalanche danger is anticipated in the backcountry
Monday evening, lasting through Tuesday night, and possibly into
Wednesday.

* WHERE...Central Sierra Nevada Mountains between Yuba Pass (Hwy
49) on the north and Ebbetts Pass (Hwy 4) on the south,
including the greater Lake Tahoe area. This applies only to
backcountry areas, not to ski areas and highways where avalanche
mitigation programs exist.

* WHEN...In effect from Sun 07:45 PST to Tue 05:00 PST.

* IMPACTS...A powerful storm with rapidly accumulating snowfall
and strong winds may cause widespread avalanche activity in the
mountains. Large avalanches capable of burying or injuring
people could occur in backcountry areas.

* PRECAUTIONARY / PREPAREDNESS ACTIONS...Very dangerous avalanche
conditions could occur in the backcountry. Traveling in, near,
or below backcountry avalanche terrain during HIGH avalanche
danger is not recommended.

Consult https://www.sierraavalanchecenter.org/ or
www.avalanche.org for more detailed information.

Similar avalanche danger may exist at locations outside the
coverage area of this or any avalanche center.