GPM image of Arthur (IMAGE) NASA/Goddard Space Flight Center Caption The GPM core satellite passed over Tropical Storm Arthur in the western North Atlantic Ocean on May 19 at 2:51 a.m. EDT (0651 UTC) and found the heaviest rainfall (red) on the northeastern side of the storm falling at a rate of over 25mm (over 1 inch) per hour. Credit NASA/JAXA/NRL 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.