Terra Image of Chantal (IMAGE) NASA/Goddard Space Flight Center Caption On Aug. 21 at 8:20 a.m. EDT (1220 UTC), the MODIS instrument that flies aboard NASA's Aqua satellite showed strongest storms (yellow) in Tropical Storm Chantal were east of center, where cloud top temperatures in those areas 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.