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Which limitation does the barotropic model have?

  • A.It cannot be integrated numerically
  • B.It requires observations of temperature as well as wind in order for the initial state to be specified
  • C.It cannot represent development
  • D.It cannot represent the advection of vorticity by the wind at the single level it is applied to

Answer: C

With no divergence and no baroclinicity, the barotropic model conserves absolute vorticity and can move existing systems but cannot intensify them. That is why it forecasts the movement of long waves well and cyclogenesis not at all. Advection is precisely what it does represent, it integrates easily, and it needs only a single level wind or height analysis to start.

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