What type of conditions does clear air turbulence typically occur near?

Clear air turbulence primarily occurs near jet streams. This phenomenon is a result of the significant differences in wind speed and direction associated with these high-altitude, fast-moving air currents. The turbulence arises when two adjacent air masses with different velocities interact, creating shear forces that can lead to sudden changes in altitude or direction for aircraft flying through that region.

Jet streams are typically found at altitudes around 30,000 to 40,000 feet and are significant because they often influence the weather patterns below. Pilots need to be aware of these conditions as they can lead to unexpected jolts, making it crucial to anticipate and navigate through or around areas where jet streams are present. Understanding the dynamics of clear air turbulence helps improve flight safety and passenger comfort.