Winter Weather Warnings / Watches / Advisories
Issued by NWS Los Angeles, CA

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WWUS46 KLOX 190134
WSWLOX

URGENT - WINTER WEATHER MESSAGE
National Weather Service Los Angeles/Oxnard CA
534 PM PST Sun Feb 18 2018

...Winter Weather Advisory in effect tonight through Monday night
for the Los Angeles, Ventura, and Santa Barbara county mountains
and Cuyama Valley...

.A very cold storm will move through California tonight and
Monday. This system will take a mostly over-land trajectory with
the best moisture and upslope flow focused on the north facing
slopes and across eastern Los Angeles County. This system will
bring the coldest temperatures so far this winter season, with
snow levels potentially falling as low as 1500 feet on Monday.
There could be significant travel impacts with possible road
closures and delays. Low elevation mountain roadways that could
be impacted by snow showers, icy roads, and strong winds include
Interstate 5 near the Grapevine, Highway 14 through Soledad
Canyon, Highway 33 above Ojai, Highway 154 through the Santa
Barbara County mountains, and Highway 166 through Cuyama Valley.
With such low snow levels, there is also a slight chance of snow
showers on Monday across the San Luis Obispo county Interior
Valleys, foothills of the Central Coast (including the Cuesta
Pass), Antelope Valley, Santa Clarita Valley, and the foothills
in the Los Angeles and Ventura county valleys.

CAZ053-054-191300-
/O.CON.KLOX.WW.Y.0003.180219T0200Z-180220T1100Z/
Ventura County Mountains-
Los Angeles County Mountains excluding the Santa Monica Range-
Including the cities of Lockwood Valley, Mount Pinos, Acton,
Mount Wilson, and Sandberg
534 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
TUESDAY...

* WHAT...SNOW...2 to 4 inches expected. Snow levels will be
  between 5000 and 5500 feet this evening, then lower rapidly to
  between 1500 and 2500 feet by early Monday morning and continue
  at those levels into Monday night. Areas of northwest to north
  winds 25 to 35 mph with gusts to 50 mph are expected, with
  isolated higher gusts. Dangerous wind chill readings will be
  between 10 degrees and 10 degrees -in higher elevations late
  tonight and Monday.

* WHERE...Ventura County Mountains and Los Angeles County
  Mountains excluding the Santa Monica Range Counties.

* WHEN...From 6 PM this evening to 3 AM PST Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  times. The strongest winds will be through the I-5 corridor.
  The highest snowfall amounts will occur on the north facing
  slopes. There is the potential for 1 to 2 inches of snow on
  Interstate 5 near the Grapevine. Delays or closures on
  Interstate 5 are possible Monday into Monday night due to
  accumulating snow, icy road conditions, and strong winds.
  Other low elevation roadways will be at risk for snow showers
  and icy road conditions as well. These include Highways 2, 14,
  33, and 39.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest road conditions from CalTrans is available by calling
1 800 4 2 7 7 6 2 3.

$$

CAZ052-191300-
/O.CON.KLOX.WW.Y.0003.180219T0600Z-180220T1100Z/
Santa Barbara County Mountains-
Including the cities of San Marcos Pass,
San Rafael Wilderness Area, and Dick Smith Wilderness Area
534 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 3 AM PST TUESDAY...

* WHAT...SNOW...1 to 2 inches expected. Snow levels will be
  between 4000 and 5000 feet late this evening, then lower
  rapidly to between 1500 and 2500 feet by early Monday morning
  and continue at those levels into Monday night. Areas of
  northwest to north winds 25 to 35 mph with gusts to 50 mph are
  expected, with isolated higher gusts. Dangerous wind chill
  readings will be between 10 degrees and 10 -degrees for the
  higher elevations late tonight into Monday.

* WHERE...Santa Barbara County Mountains.

* WHEN...From 10 PM this evening to 3 AM PST Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  times. The strongest winds will be through the Santa Ynez
  Range. The highest snowfall amounts will occur on the north
  facing slopes. Delays or closures are possible on mountain
  roads due to snow showers and icy road conditions. There is
  the potential for brief snow showers on upper portions of
  highway 154 from San Marcos Pass through Cachuma Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for blowing snow means that
visibilities will be limited due to strong winds blowing snow
around. Use caution when traveling, especially in open areas. The
latest road conditions from CalTrans is available by calling
1 800 4 2 7 7 6 2 3.

$$

CAZ038-191300-
/O.CON.KLOX.WW.Y.0003.180219T0600Z-180220T1100Z/
Cuyama Valley-
Including the city of Cuyama
534 PM PST Sun Feb 18 2018

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 3 AM PST TUESDAY...

* WHAT...SNOW...Up to 1 inch expected, especially in the
  foothills. Snow levels will fall rapidly overnight to between
  1500 and 2500 feet by early Monday morning and continue at those
  levels into Monday night. Areas of northwest to north winds 15
  to 25 mph with gusts to 35 mph are expected.

* WHERE...Cuyama Valley.

* WHEN...From 10 PM this evening to 3 AM PST Tuesday.

* ADDITIONAL DETAILS...Be prepared for reduced visibilities at
  times. The highest snowfall amounts will occur in the
  foothills. There is the potential for light snow accumulations
  and icy roads on highway 166, causing possible travel delays.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Winter Weather Advisory for snow means periods of snow will
cause primarily travel difficulties. Be prepared for snow covered
roads and limited visibilities, and use caution while driving.
The latest road conditions from CalTrans is available by calling
1 800 4 2 7 7 6 2 3.

$$

Rorke



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