NASA sees Tropical Storm 04W's thunderstorms grow quickly
Saturday, May 21, 2011 - 05:00
in Earth & Climate
Tropical Storm 04W formed from the low pressure System 98W this morning in the northwestern Pacific. NASA's Tropical Rainfall Measuring Mission (TRMM) satellite watched the towering thunderstorms in the center of the tropical storm grow to almost 10 miles (16 km) high as it powered up quickly.