IMERG Data on Rainfall from Imelda (IMAGE) NASA/Goddard Space Flight Center Caption NASA's IMERG estimated that by Thursday morning, September 19, Tropical Storm Imelda had dropped over 10 inches of rain (red) over a large area between Houston and Beaumont, Texas. There were several preliminary reports of tornadoes (small red circles) on Wednesday evening, September 18. Credit NASA Goddard/Owen Kelley 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.