Aqua Image of Sergio (IMAGE) NASA/Goddard Space Flight Center Caption At 2:30 a.m. EDT (0630 UTC) on Oct. 3, 2018 the MODIS instrument that flies aboard NASA's Aqua satellite gathered infrared data on Hurricane Sergio. Strongest thunderstorms circled the center where cloud top temperatures were as cold as (yellow) minus 80 degrees Fahrenheit (minus 62.2 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.