454 - ATPL - Forecast information shows SCT CU 060/100. The wind forecasts for FL 050 and FL 100 both indicate 320°/15 kt. In flight at FL 055 over flat terrain, moderate turbulence is observed during the forecast validity period. This turbulence is caused by:
Question 454 - Meteorology - ATPL - Airline Transport Pilot license
The instability of the air mass between the surface and the top of Cumulus clouds.
The surface radiation.
A wind shear.
System waves.
Training tests and timed exam simulations ATPL - Airline Transport Pilot license
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