The following reports were relayed to the National Weather Service following the storm system on December 15, 2021.
-Storm Chaser reported a tornado west of Atlantic at 5:02 p.m.
-Storm Chaser reported flipped semis on I-80 northeast of Atlantic
-72 mph wind gust reported in Harlan at 4:55 p.m.
-Large tree on a house in Treynor
-Powerlines down northwest of Treynor
-80 mph wind gust reported at 5:15 p.m. south of Adair.
-A roof was blown off of a house on L-34 west of Underwood
-Powerlines down across Highway 34 in Mills County
-½ inch hail and estimated 65 mph wind gusts reported at Highway 44 and Frontier Road in Guthrie County at 5:17 p.m.
-Several trees were reported down in Creston affecting traffic and power lines at 5:56 p.m.
-Outbuilding destroyed at 240th Street and Timber Avenue in Carroll County at 5:35 p.m.
-Large garage doors on City building in Underwood blown in
Cass County Emergency Management Coordinator Mike Kennon had this to say at 6:10 p.m.