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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

A large storm system and strong Arctic cold front brought accumulating snow, gusty northwest winds and dangerously cold wind chills to the region. This resulted in widespread ground blizzard conditions to much of the Northern Plains. Dangerously cold wind chills below -35F were also in place resulting in life-threatening travel conditions for the days leading up to Christmas. Numerous highways and interstates were closed with some travelers becoming stranded, requiring rescue. This front pushed southward through the entire southern United States, bringing multiple weather hazards and abnormally cold temperatures to the eastern 2/3rds of the CONUS. 

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Minimum Wind Chills and Timeline Maximum Wind Gusts and Timeline Observed Snowfall
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