AIRS Image of 93W (IMAGE) NASA/Goddard Space Flight Center Caption On May 06, the AIRS instrument aboard NASA's Aqua satellite saw cloud top temperatures as cold as 210 kelvin/-63.1F/-81.6C (purple) in powerful thunderstorms within Tropical Depression 93W. 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.