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In Memoriam: Donald Earl Aylor
November 3, 2026
Donald Earl Aylor, a pioneering biometeorologist whose research helped advance understanding of how weather and atmospheric conditions influence the spread of plant diseases, died after a long and distinguished career in science. He was a longtime member and Fellow of AMS and a recipient of the AMS Outstanding Achievement in Biometeorology Award.
New Standard Aims to Improve Tornado, Severe Wind Estimates
July 10, 2014
By Jim LaDue, NWS Warning Decision Training Branch For more than four decades, the go-to for rating tornadoes has been...

