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Wintry Conditions Over The Rockies, Heavy Rainfall And Flash Flooding Threat Over The Desert Southwest

Remnant moisture from what was once Tropical Storm Raymond will continue to produce heavy rainfall and the threat for flash flooding over the Desert Southwest into Thursday. Heavy snow will also be possible over parts of the Rockies, and will likely cause hazardous travel. Meanwhile, critical fire weather conditions continue across northern California into Thursday morning. Read More >

Overview

A line of thunderstorms developed the evening of September 19th across the eastern Dakotas and moved into western Minnesota before midnight of September 20th. Severe thunderstorms developed into west central and parts of central Minnesota producing large hail, downbursts and six tornadoes. This line of thunderstorms slowly weakened as it moved into far eastern Minnesota, with general, non-severe thunderstorms as the line progressed into West Central Wisconsin after 3 am CDT.


Tornado, Downburst, and Indeterminate Damage Points
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