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Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Overview

Thunderstorms originating in Montana moved into the western Dakotas while organizing into a squall line and producing winds up to 70 mph.  Over time, this squall line began to bow out and generated a concentrated corridor of 80 to 100+ mph straight-line wind gusts over portions of west central to central South Dakota.

Credit: KCCR Pierre

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