TRMM Image of Hellen (IMAGE) NASA/Goddard Space Flight Center Caption On March 30, the TRMM satellite showed some powerful storms in Hellen's eye wall were reaching heights of over 13 km/8 miles. Credit Image 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.