GPM 3-D rainfall (IMAGE) NASA/Goddard Space Flight Center Caption On June 10, GPM data presented in 3-D showed the structure of rain bands within forming tropical storm Merbok when storm tops within the rain bands west of the Philippines were only reaching heights of about 10 kilometers (6.2 miles). Credit Credits: NASA/JAXA, 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.