NASA Infrared Image of Cyclone Giovanna (IMAGE) NASA/Goddard Space Flight Center Caption On infrared imagery from the NASA AIRS instrument, some thunderstorms from northeast to southeast of the center of Cyclone Giovanna were strong (purple) on imagery captured on Feb. 17, 2012 at 1023 UTC (5:23 a.m. EST). 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.