GPM 3-D Flyby of Lan (VIDEO) NASA/Goddard Space Flight Center This video is under embargo. Please login to access this video. Caption On Oct. 18 the GPM core satellite found extremely heavy rainfall was located in the southeastern side of the typhoon's eye wall. Powerful storms there were dropping rain at a rate of greater than 227 mm (8.9 inches) per hour. Extremely tall thunderstorm towers in the southeastern side of typhoon Lan's eye wall. Some of these very tall towers were measured by GPM's radar (DPR Ku Band) reaching amazing altitudes above 18.6 km (11.5 miles). 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.