Hurricane Igor's Frigid Cloudtops (IMAGE) NASA/Goddard Space Flight Center Caption NASA's Aqua satellite AIRS instrument captured an infrared image of the western half of Hurricane Igor's clouds temperatures on Sept. 14 at 1723 UTC (1:23 p.m. EDT) that continued to show strong convective activity in his center as indicated by high thunderstorms (in purple) that were as cold as -63F. 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.