TRMM Sees Usagi (IMAGE) NASA/Goddard Space Flight Center Caption On Sept. 19 NASA's TRMM satellite saw rain falling at a rate of over 140mm/~5.5 inches (red) per hour in the powerful storms within Super Typhoon Usagi's eye wall. Credit NASA/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.