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The horse latitudes are the latitudes about 30 degrees north and south of the Equator. [1] They are characterized by sunny skies, calm winds, and very little precipitation. They are also known as subtropical ridges or highs. It is a high-pressure area at the divergence of trade winds and the westerlies.
The horse latitudes are an area of high pressure at about 30° to 35° latitude (north or south) where winds diverge into the adjacent zones of Hadley or Ferrel cells, and which typically have light winds, sunny skies, and little precipitation. [1] [2]
This circulation takes place as air rises at the equator and sinks at medium latitudes, typically in a global belt about 30 degrees north or south. Phoenix is at about 33 degrees north.
In the study of Earth's atmosphere, polar easterlies are the dry, cold prevailing winds that blow around the high-pressure areas of the polar highs at the North and South Poles. [1] Cold air subsides at the poles creating high pressure zones, forcing an equatorward outflow of air; that outflow is then deflected westward by the Coriolis effect.
South Atlantic High is a semipermanent pressure high ... the great subtropical belt of anticyclones ... between 30 and 35 degrees of north and ...
"Over the lake-effect snow belts, 1-2 feet of snowfall can be expected, with heavy snow also possible across New England as the Clipper deepens to the north,'' the weather service said.
Map of pressure systems across North America. A pressure system is a peak or lull in the sea level pressure distribution, a feature of synoptic-scale weather.The surface pressure at sea level varies minimally, with the lowest value measured 87 kilopascals (26 inHg) and the highest recorded 108.57 kilopascals (32.06 inHg).
A powerful storm that met the definition of a bomb cyclone on Thursday morning brought extreme wind and rain to the East Coast Wednesday night. The storm's pressure dipped the required 0.71 of an ...