- Winter Weather Advisory for Catalina Island County, California
- Winter Weather Advisory issued February 19 at 8:03PM PST until February 20 at 3:00AM PST by NWS
- Effective: Monday, February 19, 2018 at 8:03 p.m.
- Expires: Tuesday, February 20, 2018 at 3 a.m.
...Winter Weather Advisory in effect through tonight for the Los
Angeles, Ventura, and Santa Barbara county mountains and Cuyama
.A very cold storm will continue move through California tonight.
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. 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 today across the
San Luis Obispo county Interior Valleys, Antelope Valley, Santa
Clarita Valley, and the foothills in the Los Angeles and Ventura
...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 3 AM PST
* WHAT...SNOW...2 to 4 inches expected. Snow levels will range
between 1500 and 2500 feet through tonight. 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...through 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.