GPM Image of Harvey (IMAGE) NASA/Goddard Space Flight Center Caption The GPM satellite measured rainfall in Hurricane Harvey on Aug. 25, at 7:50 a.m. CDT (1150 UTC) and found that intense storms in the eastern side were dropping rain at a rate greater than 3.2 inches (82 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.