3-D Image of Jack Early April 21 (IMAGE) NASA/Goddard Space Flight Center Caption This 3-D image of Tropical Cyclone Jack shows that some of the thunderstorms were shown by TRMM PR to be reaching height of at least 17 km (10.5 miles) on April 21 at 4:04 UTC. Credit Credit: NASA/SSAI, Hal Pierce 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.