TRMM Animation of Southern Storms (video) NASA/Goddard Space Flight Center Loading video... Caption The TRMM satellite flew above tornado spawning thunderstorms in the southern United States on May 9, 2014 at 0115 UTC. This simulated 3-D TRMM animation shows the location of intense radar echoes within the stormy area. 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.