Aqua Image of Florence (IMAGE) NASA/Goddard Space Flight Center Caption At 12:50 a.m. EDT (0450 UTC) on Sept. 4, 2018, the MODIS instrument aboard NASA's Aqua satellite looked at Tropical Storm Florence in infrared light. MODIS found coldest cloud tops (red) had temperatures near minus 70 degrees Fahrenheit (minus 56.6 degrees 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.