Aqua image of Isaias (IMAGE) NASA/Goddard Space Flight Center Caption On July 31 at 3:20 a.m. EDT (0720 UTC), NASA's Aqua satellite passed over Hurricane Isaias as it departed Hispaniola. Aqua found highest concentrations of water vapor (brown) and coldest cloud top temperatures were around the center. Credit Credits: 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.