Imagine a hollow tube thousands of times smaller than a human hair. Now envision filthy water flowing through an array of such tubes, each designed to capture contaminants on the inside, with clean water emerging at the other end.
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
