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Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Overview

A large, high-precipitation supercell moved south across northeast Kansas over a five hour period. The supercell produced four EF-1 tornadoes, as well as several areas of straight-line winds in excess of 80 mph from the rear flank downdraft of the supercell:
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