This table represents a model atmosphere at an altitude of 5 km for july. Estima

Question

This table represents a model atmosphere at an altitude of 5 km for july. Estimate the west-east component of the geostrophic wind,u, in m/s for the latitude band 15 degrees-30 degrees north. To do this assume the pressure gradients computed apply to the midpoint of each laitude band. For example, the gradient computed using pressures at 15 degrees north and 30 degrees nrth can be associated with latitude 22.5 degrees and taken to represent an average of th 15 degree band. State whether the wind is moving west to east or east to west.

latitude (degrees north) pressure (mb) temperature (k) density (g cm^-3) 15 559 271 7.20x10^-4 30 559 272 7.16x10^-4

Explanation / Answer

psitive value of u in ms-1 refers to the flow from west to east and correspondence to a pressure at a fixed altitude that decline towards the pole.

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