Terra Image of Joaninha (IMAGE) NASA/Goddard Space Flight Center Caption On April 1 at 1:20 a.m. EDT (0520 UTC), the MODIS instrument aboard NASA's Terra satellite provided a visible image of Subtropical Cyclone Joaninha that showed the storm was being adversely affected by vertical wind shear. Credit Credit: NASA/NRL 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.