GPM Image of Harvey (IMAGE) NASA/Goddard Space Flight Center Caption The GPM satellite flew almost directly above intensifying Hurricane Harvey on August 24, 2017 at 6:30 p.m. EDT and indicated that powerful storms in the hurricane were dropping rain at a rate of over 2.1 inches (54 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.