TRMM Captures System 97L's Rainfall (IMAGE) NASA/Goddard Space Flight Center Caption TRMM captured the image of System 97L's rainfall on July 20 at 9:36 p.m. EDT. The red areas indicate heavy rainfall of over 50 millimeters (~2 inches) per hour. The yellow and green areas indicate moderate rainfall between .78 to 1.57 inches per hour. 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.