Terra image of Iselle (IMAGE) NASA/Goddard Space Flight Center Caption On Aug. 28 at 2:40 a.m. EDT (0640 UTC) the MODIS instrument that flies aboard NASA's Terra satellite revealed the most powerful thunderstorms (yellow) minus 80 degrees Fahrenheit (minus 62.2 degrees Celsius) near the center. Wind shear was pushing the rest of the storms to the west. Some cloud top temperatures were as cold as (red) minus 70 degrees Fahrenheit (minus 56.6. degrees Celsius) and were also dropping large amounts of rain. Credit Credit: NASA/NRL 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.