RapidScat Image of Ula (IMAGE) NASA/Goddard Space Flight Center Caption On Jan. 7, 2016 NASA's RapidScat instrument measured surface winds in Tropical Storm Ula and saw the strongest sustained winds near 29 meters per second//64.4 mph/104.4 kph south of the center. Credit Credits: NASA JPL/Doug Tyler 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.