- 行业: Weather
- Number of terms: 60695
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The American Meteorological Society promotes the development and dissemination of information and education on the atmospheric and related oceanic and hydrologic sciences and the advancement of their professional applications. Founded in 1919, AMS has a membership of more than 14,000 professionals, ...
Colloquial expression for a cumulonimbus anvil that spreads upwind into relatively strong winds aloft. A back-sheared anvil implies strong divergent flow near the summit of a high-speed convective storm updraft. These anvils often exhibit a crisp appearance with sharp, distinctive edges.
Industry:Weather
Center for initiation of an air bubble during freezing of water in a lake or hailstone or a vapor bubble in boiling.
Industry:Weather
Closely and regularly spaced wavelike cirrus on satellite imagery that form perpendicular to the jet stream axis. These clouds are a result of strong vertical wind shear.
Industry:Weather
Breakup of ice covering a body of water at a site; depends on ice thickness, strength, flow velocity, and river geometry. “Breakup connotes the end of winter to a resident of the north. ” (Glossary of Arctic and Subarctic Terms, Arctic, Desert, Tropic Information Center Pub. A–105, 1955). See ice breakup.
Industry:Weather
Benzo-a-pyrene (BaP) is a polycyclic aromatic hydrocarbon (PAH), formula C20H12, consisting of five fused aromatic rings. BaP, a very strong carcinogen, has been found in soot particles and other solid by-products of combustion.
Industry:Weather
Atmospheric wave motion responsible for the formation of billow clouds.
Industry:Weather
Any wave in the atmospheric pressure field. The term is usually reserved for short-period variations not associated with cyclonic-scale motions or with atmospheric tides. See pressure wave.
Industry:Weather
Areas where surface ablation has exposed blue ice. These are sites, usually on large ice sheets, where ice flow has concentrated meteorites that have fallen throughout the catchment area of the particular blue-ice area.
Industry:Weather
