(TheWeatherSpace.com) – A powerful storm system that is bringing snow to the coast up at the Pacific Northwest will strike the Southwestern United States, bringing low elevation snowfall to the region.

The http://www.southerncaliforniaweatherauthority.com/ issued an outlook on February 19th for low elevation snowfall across the area, each day gaining confidence up until the detailed forecasts were released.

WINTER STORM WATCH
SOUTHERN CALIFORNIA WEATHER AUTHORITY

Winter Storm Watch (WSW) – A Winter Storm Watch is issued when significant winter like conditions are expected. Whether it be significant snow, or high winds + significant snow. This also will be issued if a blizzard type watch/warning is being reviewed to issue 24 hours before the event. It will say this in the wording of the watch. This type of watch is dangerous. You must not travel if you do not need to. If you feel the need to travel, bring extra food, water, and a flashlight in the affected areas.

A Winter Storm Watch has been issued by the Southern California Weather Authority for all Southern California Mountain and Desert zones, excluding the lower deserts for Friday night through Saturday.

Their Winter Storm Watch includes a never before seen Northern Los Angeles Basin and Valley zones, including the Inland Empire areas.

“Strong forcing along the arctic frontal zone and the cold air behind it will lead to snow levels to these valley locations, bringing measurable snowfall to rare areas that may not have seen them in over 60 years, since 1949 for some upper Los Angeles Valley and since the 1910s or 20s for the Inland Empire areas”, said Meteorologist Kevin Martin. “Thundersnow is also possible across this region”.

This will be a pass level event, which means the mountain passes will close, according to the SCWXA Winter Storm Watch issued tonight.

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