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A string of powerful storm systems battered the Western U.S. bringing powerful winds, flooding rains, and heavy snow to the Pacific Northwest and across California. From late December to mid-January, three atmospheric rivers slammed California and the west coast, bringing heavy rainfall, power outages and flooding.
In addition to the flooding, parts of the Sierra Nevada mountain saw 120 inches of snow more than twice the normal annual average. Rainfall estimates of 10-20 inches and hurricane-level winds, along with sporadic tornado warnings also occurred in this long storm system. In California, at least 17 deaths have been directly attributed to the flooding and other elements of the storms.
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After multiple storm systems in January, the mountains of the Western U.S. holds a healthy snow pack.
This twenty four day time lapse shows storm after storm batter the U.S. West Coast.
Water Vapor (band 10)
A barrage of storms continue to slam into the U.S. West Coast bringing copious amounts of moisture.
The full evolution of the bomb cyclone over the Pacific.
The bomb cyclone reaches the coast, battering the west with strong winds and heavy rain and snow.
A close look at the leading edge of the storm system approaching the U.S. West Coast.
A broad view of a powerful mid-latitude cyclone approaching the U.S. West Coast.