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A line of atmospheric rivers is pouring rain on the West Coast.

A tongue of heavy moisture stretches from central California to about 1,000 miles north of Hawaii. The core of this moisture plume is about 200 to 300 miles wide and is aimed eastward. The atmospheric river could carry more than 220 million pounds of water over the Pacific Coast every second. A bowling ball of moisture is being entrained and tugged east by a low-pressure system. Temperatures below 2,500 feet are contributing to snow and ice accumulation in the Cascades. Gusts up to 55 mph could cause coastal flooding in parts of Washington and Oregon.