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Question: 1 / 400

A pilot can expect a wind-shear zone in a temperature inversion when windspeed at an altitude is at least?

10 knots.

15 knots.

25 knots.

In a temperature inversion, wind shear can be particularly pronounced due to the differences in temperature and wind speed layers in the atmosphere. A critical factor in predicting wind shear is the wind speed at a certain altitude. When the wind speed reaches or exceeds 25 knots, there is a heightened likelihood for significant wind shear activity.

At this level of wind speed, the dynamics between the warmer air aloft and the cooler air near the surface can create a situation where rapid changes in wind direction and intensity occur. This can lead to turbulence and challenges for pilots, particularly during takeoff and landing phases, where control and stability are crucial. Therefore, if a pilot is operating in conditions with wind speeds of at least 25 knots at altitude, they should be vigilant for potential wind shear and prepare accordingly for any alterations in performance and handling of the aircraft.

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30 knots.

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