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Heavy Rain and Flash Flooding Concerns in California; Heavy Snow in the Sierra

An atmospheric river will bring heavy rainfall to lower elevations of California this week, and heavy snow to the Sierra Nevada mountains. Flash flooding, some of which may be locally considerable, will be a concern on the western foothills of the Sierra Nevada mountains through Tuesday. Landslides, rockfalls and mudslides are possible in the Southern California mountains. Read More >

Overview

A strong low pressure system brought a spring snowstorm to the region on Friday, April 13, 2018. Precipitation began as rain, and even a few thunderstorms were reported. Then as cold air filtered into the area, rain changed to snow. Heavy snow was reported across much of western and south central SD, and strong northerly winds resulted in blizzard conditions from blowing snow.

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