Catalina Island Severe Watches & Warnings NOAA Weather Radio

Special Statement
Statement as of 5:26 PM PDT on October 31, 2014

...Pacific storm system to bring periods of Rain...Mountain snow...possible thunderstorms and gusty winds to southwest California tonight into Saturday...

A cold front will spread rain along the central coast this evening...with rain over Ventura and Los Angeles counties later tonight. Showers will persist into Saturday morning across the region...with a chance of residual showers on north facing mountain slopes through Saturday evening. Most areas will see 3 to 4 hours of steady rain with the initial front...followed by light showers as the front moves east. There will also be a slight chance of thunderstorms over San Luis Obispo and Santa Barbara counties late tonight as colder air moves in aloft. Any thunderstorms will have the potential to produce brief heavy rain showers and small hail.

Rainfall totals are generally expected to range from three quarters of an inch to one and one half inches along the central coast...with higher amounts across northwest San Luis Obispo County. Otherwise rainfall amounts of one quarter to three quarters of an inch can be expected for most areas...with local amounts up to one inch in the San Gabriel Mountains.

Snow levels will fall to near 6000 feet late tonight into Saturday morning. Most of the steady precipitation should be over before the snow levels lower significantly. 1 to 3 inches of snow will be possible for the San Gabriel Mountains around 7000 feet and above...with an inch or less between 6000 and 7000 feet. The expected snowfall combined with gusty winds could produce dangerous mountain driving conditions tonight.

Southwest winds gusting to 35 to 40 mph are expected over the mountains of Ventura and Los Angeles counties and the Antelope Valley this evening. Winds will turn northwest over the area by Saturday morning with gusts up to 40 mph in the mountains and Antelope Valley.

Residents near the Colby burn area should monitor the latest National Weather Service forecasts and statements as the potential for locally heavy downpours tonight could bring the threat of minor mud and debris flows.

Since this will be the first widespread rain event in quite some time...roads will be extra slick due to months of oil buildup on paved surfaces. Motorists are urged to use extra caution in the rain. In addition...people traveling into the mountains should be prepared for winter weather driving conditions.

Listen to NOAA Weather Radio or your local media for the latest updates on this storm system.

Rat/asr/cms

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