AIRS Image of Fantala (IMAGE) NASA/Goddard Space Flight Center Caption These two false-colored infrared images of Fantala show the storm on Apr. 17 (left) and Apr. 18 (right). The purple indicates temperatures colder than -81.6 (-63.1C), which are powerful thunderstorms, high into the troposphere. Credit Credits: NASA/JPL, Ed Olsen 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.