Clear Air turbulence (IMAGE) Nagoya University Caption Red and blue areas show wind speed differences within the turbulence caused by Kelvin–Helmholtz instability Credit Ryoichi Yoshimura Usage Restrictions This image may be used with appropriate credit. License Original 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.