Q:

What is the difference between high and low pressure?

A:

Quick Answer

A high pressure system has winds that sink and blow clockwise at the surface. A low pressure system's winds blow counter-clockwise and rise. High pressure winds are dry, and these systems are responsible for sunny skies and pleasant weather conditions.

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Full Answer

A low pressure system pulls in warm, moist air that rises, which creates clouds and storm systems. Both of these systems are affected by three forces, including the pressure gradient force that tries to equalize the pressure between the high and the low, the Coriolis force controls the direction of the wind flow and friction which slow the winds down due to the interaction with Earth's surface.

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