GPM Image of Lan (IMAGE) NASA/Goddard Space Flight Center Caption On Oct. 18 the GPM core satellite found extremely heavy rainfall of more than 227 mm (8.9 inches) per hour was located in the southeastern side of the typhoon's eye wall Extremely tall thunderstorm towers there reached 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.