from unmanned-aerial.com The University of Colorado Boulder says it has conducted the first multiple, unmanned aerial system (UAS) interception of a telltale rush of cold air preceding a thunderstorm. Known as a "gust front," it rolled across the Pawnee National Grassland in northeast Colorado on Aug. 14, the university says, whose Research and Engineering Center for … [Read more...] about University’s UAS Flight Detects Air Before T-Storm