ferrel synonyms, ferrel pronunciation, ferrel translation, English dictionary definition of ferrel. Feral definition, existing in a natural state, as animals or plants; not domesticated or cultivated; wild. In the mid-latitudes, the circulation is that of dipping cold air that comes from the poles and the mounting warm air that blows from the subtropical high. Ferrel cell - A mid-latitude atmospheric circulation cell for weather named by Ferrel in the 19th century. The Ferrell cell is between 30oN and 50o to 60oN. Polar cell - Air rises, diverges, and travels toward the poles. Between them, these cells transport warm air away from the equator and cool air toward the equator. Local or regional atmospheric disturbance characterized by strong winds often accompanied by precipitation. At the surface, these winds are called westerlies and the cell is known as the Ferrel cell. Thermally Direct Cells (Hadley and Polar Cells) Both cells have their rising branches over warm temperature zones and sinking braches over the cold temperature zone. Once over the poles, the air sinks, forming the polar highs. In this cell the air flows poleward and eastward near the surface and equatorward and westward at higher levels. Its northern rising limb is shared with the Polar cell located between 50 degrees N to 60 degrees N and the North Pole, where cold air descends. Liquid or solid water that falls from the air and reaches the surface as rain, hail, or snowfall. In this cell the surface wind would flow from a southerly direction in the northern hemisphere. The Ferrel cell moves in the opposite direction to the two other cells (Hadley cell and Polar cell) and acts rather like a gear. It might be thought of as an eddy created by the Hadley and polar cells. The Ferrel cell moves in the opposite direction to the two other cells (Hadley cell and Polar cell) and acts rather like a gear. In this cell the surface wind would flow from a southerly direction in the northern hemisphere. Together, the Hadley, Ferrel, and polar cells comprise the three-cell model shown in the diagram. Both cells directly convert thermal energy to kinetic energy. Thermally Indirect Cell (Ferrel Cell) This cell rises over cold temperature zone and sinks over warm temperature zone. See more. storm. Define ferrel. The Ferrel cell has opposite motion to the other two cells because it is equalizing the uneven temperatures between the equator and the poles. precipitation. The Ferrel cell, theorized by William Ferrel (1817–1891), is, therefore, a secondary circulation feature, whose existence depends upon the Hadley and polar cells on either side of it. This type of cell in the tropics is called the Hadley Cell. The Ferrel cells are indirect cells, driven by the direct cells to the north and south of them. The mid-latitude circulation cell is the Ferrel cell. This cell shares its southern, descending side with the Hadley cell to its south. The Ferrel cell is the average motion of air in the mid-latitudes.occurs at higher latitudes (between 30 degrees and 60 degrees N and 30 degrees and 60 degrees S. In the Ferrel cell, air flows poleward and eastward near the surface and equatorward and westward at higher altitudes; this movement is the reverse of the airflow in the Hadley cell . Boundary between the polar cell and the Ferrel cell in each hemisphere. ferrule top to bottom: household paintbrush, round paintbrush, and cosmetic brush n. 1.
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