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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

Severe storms across the southwest formed into a line and pushed east across south central and southeastern North Dakota for round one. The worst damage came occurred in Killdeer where golf ball to 3 inch diameter hail and 75 mph winds caused widespread damage, ripping siding from homes and shattering windows. Round two had several storms move northeast out of South Dakota while the line of storms moved through the James River Valley. These storms produced tennis ball sized hail in Bucyrus to 2 inch hail in Linton along with high winds. Both rounds of storms brought torrential rainfall with totals as high as 4.19 inches 4 miles west of Westfield. Street flooding occurred in Bismarck, Dickinson, and Jamestown from the intense rain. 

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Preliminary Storm Reports
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