VIIRS Image of Tropical Depression 14E (IMAGE) NASA/Goddard Space Flight Center Caption On Sept. 1, 2015, the VIIRS instrument aboard NASA-NOAA's Suomi NPP satellite saw the disorganized thunderstorms within Tropical Depression 14E. Yellow indicates coldest cloud tops and strongest storms. Credit Credits: NASA/NOAA/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.