AIRS Image of Bertha (IMAGE) NASA/Goddard Space Flight Center Caption This false-colored infrared image from NASA's Aqua satellite shows powerful thunderstorms (purple) around Bertha's center on Aug. 4 at 1:47 p.m. EDT, just after it became a hurricane. 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.