Icy Clouds in Koppu (IMAGE) NASA/Goddard Space Flight Center Caption AIRS captured an infrared image of Tropical Storm Koppu's cold, high thunderstorm cloud tops on September 13, measuring temperatures as cold as -63 Fahrenheit. Credit 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.