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Atmospheric River in the Pacific Northwest and Northern Rockies this Weekend

A Pacific storm and atmospheric river will impact the Pacific Northwest states and northern Rockies this weekend, bringing locally heavy low elevations rain and heavy high elevation snow in the mountains. By Sunday over the Interior Northwest, rain combined with snowmelt will increase the risk of flood hazards. Flood Watches are in effect. Read More >

Overview

A line of fast-moving thunderstorms initially developing along the CO...KS state line Tuesday evening, shifted eastward through western and central KS during the evening to overnight hour. Several small tornadoes developed along the leading edge of this line with the initial tornado starting near Sublette. The final tornado occurred near Trousdale shortly after midnight. Survey results indicated EF1 strength circulations existed with most tornadic damage.
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