GPM 3-D image of Alcide (IMAGE) NASA/Goddard Space Flight Center Caption On Nov. 8, when Tropical Cyclone Alcide was at peak intensify, Data collected by the GPM core satellite revealed that the powerful tropical cyclone was producing extremely heavy rainfall. GPM's radar (DPR Ku Band) indicated that tall convective storms in the northwestern side of Alcide's eyewall were dropping rain at a rate of more than 255 mm (10 inches) per hour. In tropical cyclone Alcide's western eye wall. A few of these tall storms were found by GPM to reach heights above 16.0 km (9.92 miles). Credit Credit: 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.