upper(-level) trough

См. также в других словарях:

• Tropical Upper Tropospheric Trough — A Tropical Upper Tropospheric Trough (TUTT) is a trough situated in upper level (at about 200 hPa) tropics. Its formation is usually caused by the expansion of the Trough of Westerlies Wind to the tropics. It can also develop from the inverted… …   Wikipedia

• Trough (meteorology) — A trough is an elongated region of relatively low atmospheric pressure, often associated with fronts. Unlike fronts, there is not a universal symbol for a trough on a weather chart. In the United States, a trough may be marked as a dashed line.… …   Wikipedia

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• Tropical cyclogenesis — is the technical term describing the development and strengthening of a tropical cyclone in the atmosphere.cite web | author = Arctic Climatology and Meteorology | url = http://nsidc.org/arcticmet/glossary/cyclogenesis.html | title = Definition… …   Wikipedia

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