Hail in Fillmore County, Nebraska

An upper level trough was beginning to move over the northern and central Plains. An upper level disturbance was moving over northern Nebraska. A cold front was pushing southeast across Nebraska during the day. Wind shear values were around 35 to 45 knots and SBCAPE values were over 3000 J/kg across south central and central Nebraska. Mid-level lapse rates became steeper as the upper trough began to move over the area. DCAPE values ranged from 1000 to 1700 J/kg.

Showers and thunderstorms that had developed earlier in the day were on a weakening trend. This convection produced a heat burst in Valley County which resulted in a couple of wind gusts around 60 mph as well as a gust of 82 mph during the late morning and early afternoon. Storms continued to move southeastward across south central and central Nebraska into the afternoon hours. Storms produced quarter sized hail in Furnas County between 3 PM and 4 PM CDT. There were wind gusts near 60 mph in Webster and Nuckolls Counties. The storms ended by producing hail ranging in size from nickels to golf balls in Furnas, Fillmore, and Thayer Counties with the last report at 4:40 PM CDT.