The Midwestern plains of the U.S. are known for their dramatic storms: tornadoes, hail, thunderstorms. But one storm feature has mystified researchers: why does their frequency seem to peak at night?
Apr 05, 2016 in Earth Sciences
Bill Gray, a pioneer in hurricane forecasting, died Saturday in Fort Collins, according to his longtime assistant. He was 86.
Apr 16, 2016 in Earth Sciences