Aqua image of Sally (IMAGE) NASA/Goddard Space Flight Center Caption On Sept. 15 at 3:25 a.m. EDT (0725 UTC), the MODIS instrument that flies aboard NASA's Aqua satellite revealed the most powerful thunderstorms (yellow) were around Hurricane Sally's center and in the northeastern quadrant. There, cloud top temperatures were as cold as or colder than minus 80 degrees Fahrenheit (minus 62.2 Celsius.) They were located over the Gulf of Mexico and just offshore from coastal Alabama, Mississippi and the Florida Panhandle. Strong storms (red) with cloud top temperatures as cold as minus 70 degrees Fahrenheit (minus 56.6. degrees Celsius) surrounded both areas and were generating 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.