Terra Image of 33W (IMAGE) NASA/Goddard Space Flight Center Caption On Nov. 20 a visible image from the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA's Terra satellite showed Tropical Depression 33W, a large disorganized storm moving over the south-central Philippines. Credit NASA Worldview, Earth Observing System Data and Information System (EOSDIS) Tropical Depression 33W (33W) 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.