Aqua Image of 07A (IMAGE) NASA/Goddard Space Flight Center Caption On Dec. 4 at 3:20 a.m. EST (0820 UTC), the MODIS instrument aboard NASA's Aqua satellite gathered temperature information about Tropical Storm 07A's cloud tops. MODIS found three small areas of powerful thunderstorms (red) where temperatures were as cold as or colder than minus 70 degrees Fahrenheit (minus 56.6 Celsius). MODIS also showed westerly wind shear was pushing the bulk of clouds east of the storm's center. 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.