GPM Image of 15S (IMAGE) NASA/Goddard Space Flight Center Caption NASA/JAXA's GPM satellite saw powerful convective thunderstorms in Tropical Cyclone 15S were dropping rain at a rate of over 30 mm (1.4 inches) per hour west of the center. Credit NRL/NASA/JAXA Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.