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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

March 13-14, 2019, a powerful winter storm brought heavy snow and strong winds to northeastern Wyoming and western South Dakota. Snow amounts across the area varied widely, ranging from around an inch across northwestern SD and the downsloped Newcastle area, to 16 inches in the central Black Hills, and 18 inches near Kadoka. Wind gusts reached 60 to 70 mph, which created a blizzard. Less than one quarter-mile visibility was reported across the area and drifts several feet deep resulted, even in areas that received only a few inches of snow. Below is the radar imagery of the storm. As you can see, there was a hole in the snow around Rapid City for a while, depicting the pocket of dry air Wednesday morning that kept snow at bay for several hours. This resulted in lowered snow amounts for Rapid City and the surrounding areas. Nonetheless, travel was hazardous to impossible due to the icing and drifting on roads and zero visibility. 

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