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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

Overview

Two rounds of thunderstorms with very heavy rainfall impacted portions of northeast Iowa and southwest Wisconsin Friday, July 21 into the early morning hours of Saturday, July 22. Rainfall amounts across Floyd, Chickasaw, Fayette, and Clayton Counties in northeast Iowa and Grant County in far southwest Wisconsin ranged from 5 to 10 inches. This resulted in significant impacts, including flash flooding, river flooding, rock and mudslides, as well as numerous road washouts. Major flooding occurred along the Turkey, Volga, Little Wapsipinicon, and Grant Rivers, resulting in some evacuations for impacted communities.  

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Radar estimated precipitation from 5 AM July 21 through 5 AM July 22, 2017
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