The Storm Prediction Center’s own outlook: the chance of severe hail within 25 miles of a point. It is not a size, and it is not what fell.
Severe weather: SPC drew no area — “Potential Too Low”.
The forecast is the NOAA Storm Prediction Center’s (public domain, no endorsement implied). Cars on lots are mapped sites, people are U.S. Census estimates, and the towns are named and sized from GeoNames. U.S. Census Bureau · © OpenStreetMap contributors (ODbL) · © GeoNames (CC BY 4.0).