NASA Inage of Post-Tropical Storm John (IMAGE) NASA/Goddard Space Flight Center Caption NASA AIRS infrared data on Sept. 4 at 5:23 p.m. EDT showed a circular swirl of clouds in post-tropical storm John where temperatures were around (yellow) 270 kelvin (26.3 F/-3.1 C), which are warm in terms of cloud top temperatures for thunderstorms. 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.