Infrared Data on Howard (IMAGE) NASA/Goddard Space Flight Center Caption On July 31, 2016, at 5:05 p.m. EDT NASA's Aqua satellite saw strong storms with very cold cloud top temperatures (purple) in strengthening Tropical Depression 9E. Credit NASA JPL/Ed Olsen 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.