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generalized coordinates—(Also called Lagrangian coordinates.) Any set of coordinates specifying the state of the system under consideration. Usually employed in problems involving a finite number of degrees of freedom, the generalized coordinates are chosen so as to take advantage of the constraints of the system in reducing the total number of coordinates.
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generate and test—A method of problem solving that consists of generating possible scenarios and testing each until a satisfactory solution is found. Not all possible scenarios are tested, and the solution found may not be optimal.
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generating area—An area of the ocean where the action of the wind causes waves to be generated. Once generated, the waves generally propagate away from the area. See fetch, swell.
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generic rule—An IF–THEN rule that applies equally well to all geographic locations and is independent of the data source.
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genitus—Used when a cloud forms from a part of another cloud. It is then given the name of the appropriate genus, followed by the name of the genus of the mother-cloud with the addition of the suffix “genitus” (e.g., stratocumulus cumulogenitus). Compare mutatus.
World Meteorological Organization, 1956: International Cloud Atlas, Volume I, p. 6.
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Genoa cyclone—(Or Genoa low.) A cyclone, or low, that appears to have formed or developed in the vicinity of the Gulf of Genoa (Ligurian Sea).
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GENOT—Aviation communications code word for “general notice.” GENOTs are originated by the U.S. Federal Aviation Administration and appear on all teletype weather services. They carry general information of interest to airmen, forecasters, and others connected with aircraft operation and weather service. Compare NOTAM.
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