GPM Image of Irma (IMAGE) NASA/Goddard Space Flight Center Caption On Sept. 1 at 1:47 a.m. EDT (0547 UTC) GPM core observatory found a band of rain on Irma's northern side was dropping rain at a rate of almost 6.3 inches (159 mm) per hour where storm tops were reaching heights of over 9.6 miles (15.5 km). 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.