Aqua image of Sally (IMAGE) NASA/Goddard Space Flight Center Caption On Sept. 16 at 4:10 a.m. EDT (0810 UTC) NASA's Aqua satellite used infrared light to analyze the strength of storms within Sally. Aqua found the most powerful thunderstorms were north of the eye where cloud top temperatures were as cold as minus 80F/minus 62.2C (yellow) Strong storms with cloud top temperatures as cold as minus 70F/minus 56.6C (red) circled the most powerful storms. 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.