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Which process describes the wind induced surface heat exchange feedback?

  • A.Stronger winds increase evaporation which strengthens the storm further
  • B.Stronger winds cool the ocean surface, which reduces the evaporation and therefore weakens the storm over time
  • C.There is no feedback
  • D.Stronger winds increase the frictional dissipation, which warms the boundary layer and intensifies the storm

Answer: A

The enthalpy flux from the ocean increases with wind speed, so a strengthening storm draws more energy from the surface and strengthens further, which is the WISHE feedback. Ocean cooling by mixing does act as a brake and is why slow moving storms weaken over their own cold wake. Frictional dissipation is a loss rather than a gain despite warming the air. The shared properties explain why these belong to one family, and the differences explain why more than one exists.

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