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Cold Front Moving Through the Northeast U.S. Monday; Atmospheric River to Impact the Pacific Northwest Midweek

A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >

Overview

Numerous thunderstorms developed in a very favorable environment during the early evening across northern South Dakota on Friday, July 21st. These storms moved southeastward over the course of the night, all the while producing torrential downpours with rainfall amounts over 2" in some cases, as well as severe weather in the form of damaging winds and large hail. Spink County was hit especially hard when a supercell produced up to 80 mph winds in and around Redfield and Tulare.
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