Aqua image of Hector (IMAGE) NASA/Goddard Space Flight Center Caption On Aug. 14 at 10:20 a.m. EDT (1420 UTC) NASA's Aqua satellite found coldest temperatures of strongest thunderstorms in Tropical Storm Hector were as cold as or colder than minus 70 degrees Fahrenheit (minus 56.6 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.