AIRS Image of Pewa (IMAGE) NASA/Goddard Space Flight Center Caption This infrared image from NASA's Aqua satellite on Aug. 22 at 01:35 UTC showed a limited area of cloud top temperatures of thunderstorms east of the center of Tropical Storm Pewa were cold as -63F/-52C (purple) indicating strong storms. Credit Image Credit: NASA/JPL 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.