AIRS Image of Linfa (IMAGE) NASA/Goddard Space Flight Center Caption On July 2 at 04:59 UTC (12:59 a.m. EDT), the AIRS instrument aboard NASA's Aqua satellite saw Tropical Depression 10W's coldest thunderstorm cloud tops (purple) were as cold as -63F/-52C, and over the Philippine Sea. Credit Credits: 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.