NASA's TRMM Satellite Sees Tropical Storm Ernesto (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption NASA's TRMM satellite had a good look at Tropical Storm Ernesto on Aug. 7, 11:22 a.m. EDT, less than three hours before it was upgraded to a hurricane by the National Hurricane Center. Light to moderate rainfall is seen in the yellow, green and blue areas, where rain was falling between 20 and 40 millimeters (.78 to 1.57 inches) per hour. Heavy rainfall (falling at 2 inches/50 mm per hour) appears in red. Credit SSAI/NASA, Hal Pierce Usage Restrictions None Share Print E-Mail 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.