Aqua Image of Marcus (IMAGE) NASA/Goddard Space Flight Center Caption On March 20 at 2:35 a.m. EDT (0635 UTC) the MODIS instrument aboard NASA's Aqua satellite found top temperatures of strongest thunderstorms (yellow) in Tropical Cyclone Marcus Temperatures were as cold as or colder than minus 80 degrees Fahrenheit (minus 62.2 Celsius). Credit Credits: NRL/NASA 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.