NASA's QuikScat Sees Dolores' Winds (IMAGE) NASA/Goddard Space Flight Center Caption QuikScat saw Dolores' winds on July 16 when her winds were over 46 mph (in purple). QuikScat imagery is false-colored to show different wind speeds, the highest winds are always shown in purple, indicating winds over 40 knots (46 mph). Small barbs are used in the images to indicate wind direction and point to areas of heavy rain. Credit NASA JPL, Pedro Falcon III. 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.