Which turbulence intensity corresponds to a rise or drop up to 30 meters?

Which turbulence intensity corresponds to a rise or drop up to 30 meters?

• A. Severe.
• B. Light.
• C. Moderate.
• D. None of the above.

Answer: (A)

Understanding turbulence intensity means linking how strong the vertical motions are to the category of turbulence. Light turbulence involves small altitude changes and feels like gentle bumps; moderate turbulence brings more noticeable but still manageable changes. Severe turbulence, by contrast, involves large, abrupt vertical motions that can produce significant altitude swings. A rise or drop of up to about 30 meters is a substantial vertical swing, which aligns with severe turbulence. In such conditions, you’d expect large jolts and the need for strong corrective action to maintain the flight path. The other categories describe smaller vertical movements, so they don’t fit a 30-meter change as well.

Understanding turbulence intensity means linking how strong the vertical motions are to the category of turbulence. Light turbulence involves small altitude changes and feels like gentle bumps; moderate turbulence brings more noticeable but still manageable changes. Severe turbulence, by contrast, involves large, abrupt vertical motions that can produce significant altitude swings. A rise or drop of up to about 30 meters is a substantial vertical swing, which aligns with severe turbulence. In such conditions, you’d expect large jolts and the need for strong corrective action to maintain the flight path. The other categories describe smaller vertical movements, so they don’t fit a 30-meter change as well.