NASA Image of Cyclone Iggy (IMAGE) NASA/Goddard Space Flight Center Caption AIRS captured infrared images and cloud temperatures of Tropical Cyclone Iggy on Jan. 31 at 0623 UTC (1:23 a.m. EST). Purple areas indicate the coldest cloud tops and strongest thunderstorms. Most of the strong thunderstorms surround the center of circulation. 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.