TRMM Rainfall Rates in Pam (IMAGE) NASA/Goddard Space Flight Center Caption On March 10, TRMM saw thunderstorms northwest of the Santa Cruz Islands was dropping rain at a rate of over 158 mm (6.2 inches) per hour and cloud tops reached heights above 16 km (9.9 miles). Credit Image Credit: NASA/JAXA/SSAI, 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.