TRMM Sees Erin (image) NASA/Goddard Space Flight Center Caption NASA's TRMM satellite took this image of Erin's rainfall on Aug. 14 before it strengthened into a tropical storm. Red areas are heavy rain. Green and blue are light-to-moderate rainfall. Image Credit: SSAI/NASA, Hal Pierce Credit Image Credit: SSAI/NASA, 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.