* WHAT...Heavy snow possible. Total snow accumulations of up to 4
inches between 3500 and 4500 feet, 6 to 12 inches for 4500 to 6000
feet, and 1 to 2 feet above 6000 feet. Wind gusts of up to 70 mph
through Monday afternoon, and as high as 50 mph through Thursday
morning.

* WHERE...Eastern San Gabriel Mountains and Northern Ventura County
Mountains.

* WHEN...Until 9 AM PST Thursday.

* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could become
treacherous. Visibilities may drop below one-quarter mile due to
falling and blowing snow. Damaging winds could blow down trees and
power lines.

* ADDITIONAL DETAILS...There will be a break in the snowfall for
Tuesday into Tuesday night, before heavy snow returns by
Wednesday. However, blowing and drifting snow producing
significant visibility restrictions will continue above 6000 feet
elevation, even during the break in snowfall.

Monitor the latest forecasts for updates on this situation.

If travel is absolutely necessary, drive with extreme caution and be
prepared for sudden changes in visibility. Leave plenty of room
between you and the motorist ahead of you, and allow extra time to
reach your destination. Avoid sudden braking or acceleration, and be
especially cautious on hills or when making turns. Make sure your
car is winterized and in good working order.

Damaging winds could blow down trees and power lines. Travel could
be difficult, especially for high profile vehicles.

* WHAT...Heavy snow possible. Total snow accumulations of 1 to 4
inches for 3500 to 4500 feet elevation including the Grapevine of
the Interstate-5 Corridor possible. Total snow accumulations of 6
to 12 inches above 4500 feet elevation possible. Winds could gust
as high as 50 mph.

* WHERE...Interstate 5 Corridor, Santa Barbara County Interior
Mountains, and Southern Ventura County Mountains.

* WHEN...From 9 PM Tuesday to 9 AM PST Thursday.

* IMPACTS...Roads, and especially bridges and overpasses, will
likely become slick and hazardous. Travel could become
treacherous. Visibilities may drop below one-quarter mile due to
falling and blowing snow.

If travel is absolutely necessary, drive with extreme caution and be
prepared for sudden changes in visibility. Leave plenty of room
between you and the motorist ahead of you, and allow extra time to
reach your destination. Avoid sudden braking or acceleration, and be
especially cautious on hills or when making turns. Make sure your
car is winterized and in good working order.

Monitor the latest forecasts for updates on this situation.

* WHAT...Southwest winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Cuyama Valley, Eastern Antelope Valley Foothills,
Interstate 5 Corridor, San Luis Obispo County Interior Valleys,
San Luis Obispo County Mountains, Santa Barbara County Interior
Mountains, Southern Ventura County Mountains, Western Antelope
Valley Foothills, and Western San Gabriel Mountains and Highway 14
Corridor.

* WHEN...Until 6 PM PST this evening.

* IMPACTS...Damaging winds could blow down trees and power lines.
Widespread power outages are possible. Travel will be difficult,
especially for high profile vehicles.

Remain in the lower levels of your home during the windstorm, and
avoid windows. Watch for falling debris and tree limbs. Use caution
if you must drive.

* WHAT...Flooding caused by excessive rainfall is expected.

* WHERE...A portion of southwest California, including the following
counties, San Luis Obispo, Santa Barbara and Ventura.

* WHEN...Until 900 PM PST.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.
Rock slides and mud slides in areas of steep terrain. Minor debris
flows.

* ADDITIONAL DETAILS...
- At 446 PM PST, Doppler radar indicated isolated to scattered
showers moving across the Advisory area, and additional
brief, moderate to heavy showers will occur through the
evening hours.
- Some locations that will experience flooding include...
Oxnard, Thousand Oaks, Simi Valley, Ventura, Santa Maria,
Santa Barbara, Camarillo, San Luis Obispo, Lompoc, Paso
Robles, Fillmore, Morro Bay, Pismo Beach, Ojai, Santa Ynez,
Montecito, Point Conception, Agoura Hills, Woodland Hills and
Moorpark.
- http://www.weather.gov/safety/flood

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

Be aware of possible rock slides and mud slides in areas of steep
terrain.

* WHAT...Large breaking waves of 8 to 12 feet, with local sets
to 15 feet possible on Wednesday, and dangerous rip currents.

* WHERE...Ventura County Beaches.

* WHEN...Until 10 PM PST Friday.

* IMPACTS...There is an increased risk for ocean drowning. Rip
currents can pull swimmers and surfers out to sea. Large
breaking waves can cause injury, wash people off beaches and
rocks, and capsize small boats near shore.

* ADDITIONAL DETAILS...Minor coastal flooding possible around
mid- morning and late-evening times of high tide on Tuesday
and Wednesday.

Remain out of the water due to dangerous surf conditions, or stay
near occupied lifeguard towers. Rock jetties can be deadly in
such conditions, stay off the rocks.

* WHAT...Flooding caused by excessive rainfall is possible. Rock and
mud slides are possible near steep terrain. Debris flows are
possible on burn scars.

* WHERE...Much of southwest California.

* WHEN...Until midnight PST tonight.

* IMPACTS...Flash flooding is possible. Excessive runoff may result
in flooding of low-lying and flood-prone locations, including
creeks and streams. Flooding may occur in poor drainage and urban
areas. Low-water crossings may be flooded. Extensive street
flooding is possible.

* ADDITIONAL DETAILS...
- Showers and thunderstorms are possible overnight tonight with
locally heavy rain at times.
- http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood
Warnings. Those living in areas prone to flooding should be prepared
to take action should flooding develop. Travel through passes and
canyons could become dangerous, and be alert for rock slides and mud
slides. Follow the direction of Emergency Management and Law
Enforcement officials.

The Winter Storm Watch has been replaced. Please see the latest information from NWS Los Angeles/Oxnard CA on this developing situation.

If travel is absolutely necessary, drive with extreme caution and be
prepared for sudden changes in visibility. Leave plenty of room
between you and the motorist ahead of you, and allow extra time to
reach your destination. Avoid sudden braking or acceleration, and be
especially cautious on hills or when making turns. Make sure your
car is winterized and in good working order.

Monitor the latest forecasts for updates on this situation.