Nasa's TRMM Satellite Captured Rainfall Rates in Tropical Storm Emang (image) NASA/Goddard Space Flight Center Caption NASA's TRMM satellite captured rainfall rates in Tropical Storm Emang on Jan. 13 at 0404 UTC. Moderate (green) and heavy rainfall (red) was occurring around the center of circulation, where rainfall rates ranged from 30 mm (1.18 inches) to 50 mm (2 inches) per hour. Credit Credit: NASA/SSAI Hal Pierce Usage Restrictions None 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.