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Regional Outbreaks of Severe Weather Through Early Next Week; Early Season Heat Wave across the South

Active spring pattern across the center of our nation with several episodes of severe weather and heavy rainfall expected into next week. The potential for very large hail, long track tornadoes, severe wind gusts, frequent cloud to ground lightning strikes and flash flooding are in the outlook. Furthermore, dangerous early season heat wave continues for the Gulf Coast states into early next week. Read More >

Overview

December 9-10, 2021, a strong winter storm tracked across the central Rockies and through much of eastern Wyoming, northern Nebraska, and southern South Dakota. The storm brought heavy snow to much of the Black Hills, especially central and southern portions, as well as southwest and south central South Dakota. Snowfall amounts of 8 to 15 inches were reported over much of southwest to south central South Dakota, with localized amounts to near 20 inches over eastern parts of Fall River County. Across northeast Wyoming, amounts of 4 to 10 inches were reported over southern portions, with the highest amounts generally in the Newcastle area. Snowfall amounts tapered off significantly to the north of Interstate 90, with little or no snowfall over northwest South Dakota.

Extent of Snow Cover (Satellite Image December 11, 2021 11am MST / Noon CST)

South of Edgemont, SD (Courtesy Margaret M.)
South of Edgemont, SD
Courtesy Margaret M.
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