TRMM Captures Karl's Rainfall Entering the Gulf (image) NASA/Goddard Space Flight Center Share Print E-Mail Caption TRMM captured light to moderate rainfall occurring in then Tropical Storm Karl on Sept. 16 at 0603 UTC (2:03 a.m. EDT) as it was moving into the Gulf of Mexico. The yellow and green areas indicate moderate rainfall between .78 to 1.57 inches per hour. Credit NASA/SSAI, 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.