Which of the following is NOT a condition that may indicate the presence of wind shear?

Wind shear refers to a change in wind speed or direction over a relatively short distance in the atmosphere, which can pose significant hazards to aviation. Understanding the conditions that can lead to wind shear is crucial for safe flight operations.

A consistent wind direction is not indicative of wind shear; rather, it suggests stability in the wind profile. In an environment with consistent wind direction, the characteristics of the wind do not vary significantly, which means that the chances of encountering wind shear are greatly reduced.

In contrast, a low-level temperature inversion, a frontal zone, and clear air turbulence are all conditions associated with the potential for wind shear. A low-level temperature inversion can trap cooler air underneath warmer air, leading to sudden changes in wind speed and direction as you ascend through the layers. A frontal zone marks the boundary between two air masses, which often leads to varying wind patterns that can create wind shear. Clear air turbulence typically occurs in the upper levels of the atmosphere and is often found at the edges of jet streams, where wind speed and direction can change abruptly.

Recognizing these conditions is essential for pilots and meteorologists to assess the risk of wind shear and take appropriate actions.