GPM Image of Potential TC 3 (IMAGE) NASA/Goddard Space Flight Center Caption On June 20 at 2:21 a.m. EDT (0631 UTC), GPM showed that the potential tropical cyclone was producing bands of rainfall over much of the eastern Gulf of Mexico. Rainfall was measured in some of these intense rain bands falling at a rate of over 8.7 inches (220 mm) per hour. 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.