How is thermal wind strength calculated?

Prepare for the New Zealand CPL Meteorology Exam. Study with flashcards and multiple choice questions, each question offers hints and explanations. Ace your exam!

The calculation of thermal wind strength is fundamentally based on the temperature gradient within a specific atmospheric layer and the height of that layer. The thermal wind is a concept that describes the change in wind direction and speed with altitude, which is directly influenced by the temperature differences between different layers of the atmosphere.

As the temperature gradient increases, the thermal wind speed also increases due to the enhanced pressure gradients that result from these temperature differences. Specifically, the thermal wind is determined by the difference in temperature between two levels in the atmosphere, which affects the horizontal pressure distribution and ultimately influences wind patterns.

This relationship underscores the critical role of the vertical temperature profile in weather phenomena, particularly in understanding the dynamics of the wind as influenced by thermal differences in the atmosphere. Thus, calculating the thermal wind involves assessing both the mean temperature gradient across a vertical layer and the height of that layer to determine how the temperature differences affect the wind flow.

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