AIRS Image of Isaias (IMAGE) NASA/Goddard Space Flight Center Caption On July 30 at 2:35 a.m. EDT (0635 UTC) NASA's Aqua satellite analyzed Isaias and found cloud top temperatures as cold as or colder than (purple) minus 63 degrees Fahrenheit (minus 53 degrees Celsius). Credit Credit: NASA JPL/Heidar Thrastarson 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.