Arthritis Arthritis is inflammation of the joints. Causes include injury, abnormal metabolism (such as gout), inheritance (such as in osteoarthritis), infections (such as...learn more >>. Dehydration in Adults Dehydration occurs when the loss of body fluids (mostly water), exceeds the amount that is taken in.
As noted earlier, viewed from above, geostrophic flow in a subtropical gyre is clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere. Adapted from DataStreme Ocean and used with permission of the American Meteorological Society.
Though the cold it brings can factor into winter weather, for the most part the polar vortex is not in itself a weather maker, being quite high in the atmosphere. Winter weather is more shaped by the position of the jet stream, along which low pressure systems move. In practice, the northern jet stream is the boundary between cooler air from the north and warmer air from the south, though the jet stream is not as high in the atmosphere as the polar vortex.