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An important atmospheric ridge is the subtropical ridge. It is a series of ridges near the horse latitude characterized by mostly calm winds, which act to reduce air quality under its axis by causing fog overnight, and haze during daylight hours as a result of the stable atmosphere found near its location.
The subtropical ridge starts migrating poleward in late spring reaching its zenith in early autumn before retreating equatorward during the late fall, winter, and early spring. The equatorward migration of the subtropical ridge during the cold season is due to increasing north-south temperature differences between the poles and tropics. [ 9 ]
This circulation is known as the Hadley cell and leads to the formation of the subtropical ridge. [13] Many of the world's deserts are caused by these climatological high-pressure areas, [14] within the subtropics. This regime is known as a semiarid/arid subtropical
Another major consideration is something called the “subtropical ridge,” which is a series of persistent high-pressure systems that all occur around 30 degrees north (and south) of the equator.
The belt of high pressure known as the sub-tropical ridge, part of the global atmospheric circulation system, has been stronger and stretched further north and west than usual, according to Choy ...
A great portion of the world's deserts are located within the subtropics, due to the development of the subtropical ridge. Within the humid monsoon regions in the subtropics such as Northern Vietnam (including Hanoi ), a wet season is seen annually during the summer, which is when most of the yearly rainfall falls.
This area of high pressure is part of the great subtropical belt of anticyclones called the subtropical ridge. The centre of the high pressure region tends to follow the seasonal variation in position of the sun, moving south in the southern summer and north in the southern winter. This affects the climate of the adjacent continental areas ...
During the summer, the subtropical ridge in the Atlantic Ocean strengthens, bringing in increasingly humid air from the warm Atlantic, Caribbean, and Gulf of Mexico. Once precipitable water values exceed 1.25 inches (32 mm), afternoon and evening thunderstorms break out at the western periphery of the subtropical ridge across the Southeast on a ...