NASA's TRMM Satellite Measured Tropical Cyclone 01S's Rainfall (IMAGE) NASA/Goddard Space Flight Center Caption When NASA's TRMM satellite passed over Tropical Cyclone 01S on Oct. 12 at 0741 UTC (3:41 a.m. EDT), light to moderate rainfall (blue and green) was occurring over most of the storm at a rate between .78 to 1.57 inches/20 to 40 mm per hour. Credit 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.