Data from a Dropsonde (IMAGE) NASA/Goddard Space Flight Center Caption This graph of data from a dropsonde on Sept. 17 shows very strong, hurricane-force winds at the surface of Hurricane Edouard. Credit 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.