National Weather Service United States Department of Commerce


An intense supercell thunderstorm moved eastward across Yuma County Colorado and Dundy County Nebraska during the evening of the 20th.  The thunderstorm produced hail up to softball size and straight-line wind gusts over 100 MPH, based on damage.  The largest hail occurred near Yuma, CO while the most intense winds occurred over Dundy County, specifically near the Parks, NE area.  The swath of the most intense winds ended just east of Parks. You can view the official summary here.


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