AIRS image of Sally (IMAGE) NASA/Goddard Space Flight Center Caption On Sept. 15 at 3:29 a.m. EDT (0729 UTC) NASA's Aqua satellite analyzed Sally's cloud top temperatures using the AIRS instrument. AIRS showed the strongest storms were offshore in the northern Gulf of Mexico where they were as cold as or colder than 210 Kelvin (purple) minus 81 degrees Fahrenheit (minus 63.1 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.