> "The National Weather Service operates 160 weather radars across the U.S. and its territories. Radar detects the size and motion of particles in rain, snow, hail and dust, which helps meteorologists track where precipitation is falling. Radar can even indicate the presence of a tornado [...]"
From https://news.ycombinator.com/item?id=43260690 :
> "The National Weather Service operates 160 weather radars across the U.S. and its territories. Radar detects the size and motion of particles in rain, snow, hail and dust, which helps meteorologists track where precipitation is falling. Radar can even indicate the presence of a tornado [...]"