Los Angeles County, California
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Watch/Warnings
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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: Los Angeles County, California
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High Surf Advisory
CAZ040-041-087-191200-
/O.CON.KLOX.SU.Y.0003.000000T0000Z-180121T0500Z/
Ventura County Coast-
Los Angeles County Coast including Downtown Los Angeles-
Catalina and Santa Barbara Islands-
1206 PM PST Thu Jan 18 2018

...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 9 PM PST SATURDAY...

* SURF AND TIMING...Surf is expected to build today, peaking at
8 to 12 feet late tonight and Friday. Sets to 15 feet are
possible at exposed locations such as Ventura Pier. High surf
will slowly subside by Saturday evening.

* IMPACTS...Large, powerful, and dangerous waves with strong
currents will create an increased risk in drownings. Sneaker
waves can suddenly wash over previously dry beaches and
jetties. There will be also a high risk of life-threatening
rip currents. Damaging breaking waves are possible near the
entrance of the Ventura Harbor. Local flooding of low lying
beach parking lots will be possible with the high surf.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Surf Advisory means that high surf will affect beaches in
the advisory area...producing localized beach erosion and
dangerous swimming conditions. Swim near a lifeguard. If caught
in a rip current, relax and float. Don't swim against the
current. If able, swim in a direction following the shoreline. If
unable to escape, face the shore and call or wave for help.

&&

$$

Winter Weather Advisory
CAZ052>054-191100-
/O.CON.KLOX.WW.Y.0001.180119T1800Z-180121T0000Z/
Santa Barbara County Mountains-Ventura County Mountains-
Los Angeles County Mountains excluding the Santa Monica Range-
Including the cities of San Marcos Pass,
San Rafael Wilderness Area, Dick Smith Wilderness Area,
Lockwood Valley, Mount Pinos, Acton, Mount Wilson, and Sandberg
211 PM PST Thu Jan 18 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM FRIDAY TO
4 PM PST SATURDAY...

* SNOW AMOUNTS AND TIMING...3 to 6 inches of snow are expected
with highest amounts across the northern slopes of the Ventura
County Mountains. Generally 2 to 4 inches are expected across
the higher terrain of the Santa Barbara County Mountains and San
Gabriel Mountains and 3 inches or less on Interstate 5 over the
Grapevine.

* SNOW LEVELS..Snow levels will initially be around 7500 ft
tonight into early Friday morning. Snow levels will then plummet
to between 3500 and 4000 ft by Friday afternoon, and locally
down to 2500 ft across the northern slopes through Saturday
morning.

* WINDS...Northwest winds 15 to 25 mph with gusts to 40 mph early
Friday afternoon will become north 20 to 30 mph with gusts to
50 mph by Friday evening and continue through early Saturday
morning.

* MAIN IMPACT...Periods of snow, gusty winds, and low visibilities
make for dangerous driving conditions and could lead to road
closures and travel delays. Some roadways affected will likely
be Interstate 5 Corridor near the Grapevine, as well as Highway
2 (Los Angeles Crest Highway), Highway 33 through the Ventura
County Mountains and possibly Highway 14 including the city of
Acton.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be prepared for snow covered roads and limited visibilities, and
use caution while driving. Check the latest road reports before
departing. Keep an emergency kit in your vehicle which includes a
flashlight, food and water, extra clothes and blankets, and tire
chains.

&&

$$

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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