Mesoscale convective systems (MCSs)—intermediate-scale thunderstorm clusters lasting up to about 24 hours—are important precipitation producers. They account for 30-70 percent of warm-season (April to August) rainfall between the Rocky Moun
At the Department of Energy's Pacific Northwest National Laboratory, we strive to understand the world around us. We also seek to understand "us" — that is, the human body and its inner workings. Our goal is to improve human health by deter