TRMM Image of Southern Storms (IMAGE) NASA/Goddard Space Flight Center Caption The TRMM satellite flew above tornado spawning thunderstorms in the southern United States on May 9, 2014, at 0115 UTC. Credit SSAI/NASA, Hal Pierce 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.