Terra Image of Henriette (IMAGE) NASA/Goddard Space Flight Center Caption On August 13, 2019 at 1:30 a.m. EDT (0530 UTC), the MODIS instrument that flies aboard NASA's Terra satellite showed strongest thunderstorms in Tropical Depression Henriette were fragmented. Coldest cloud top temperatures were as cold as minus 50 degrees Fahrenheit (minus 45.5 Celsius). 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.