Extent of April freeze damage may not be known until harvest
This article in Kansas Farmer covers the extent of Kansas winter wheat damage from multiple hard freezes that most of the state experienced in mid-April 2020. Bio Survey Associate Research Professor Jude Kastens is source, and the story covers the GreenReport, GreenReport, based on satellite data and produced by the Bio Survey's KARS program, used to help to assess the impact.
https://www.farmprogress.com/crops/extent-april-freeze-damage-may-not-be-known-until-harvest