TRMM Sees Usagi (IMAGE) NASA/Goddard Space Flight Center Caption TRMM satellite data provided a look at Typhoon Usagi's inner-core structure an hour before landfall on Sept. 22, 2013. Heavy precipitation (in deep red) was found near the storm's center. Credit Credit: NASA Goddard Space Flight Center/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.