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American Meteorological Society
行业: Weather
Number of terms: 60695
Number of blossaries: 0
Company Profile:
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, ...
A special (and rare) case of the process of occlusion, where the point at which the cold front first overtakes the warm front (or quasi-stationary front) is at some distance from the apex of the wave cyclone. An isolated mass of warm air is completely surrounded by colder air.
Industry:Weather
A south wind, especially a strong wind or gale.
Industry:Weather
A small downhill movement of snow.
Industry:Weather
A small, experimental plot of land used to study surface runoff.
Industry:Weather
A snow surface of reddish color due to the presence within it of certain microscopic algae (cryoplankton) or particles of red dust.
Industry:Weather
A somewhat antiquated term for the very diffuse boundary of low pressure between the midlatitude westerlies and the polar easterlies.
Industry:Weather
A somewhat archaic term that is typically the outcome of heating a surface without evaporating water from it. Sensible heat per unit mass can be roughly identified with specific enthalpy of unsaturated air, that is, approximately ''c<sub>pd</sub>T'', where ''c<sub>pd</sub>'' is the specific heat of dry air at constant pressure and ''T'' is temperature. Sensible heat is often compared with latent heat, which is the difference between the enthalpy of water vapor and that of liquid water.
Industry:Weather
A small but intense cyclone that forms in cold polar air advected over warmer water. These vortices often form in the subpolar North Pacific and subpolar North Atlantic equatorward of the sea ice margin. Horizontal scales range from several tens to several hundreds of kilometers. Because of strong winds and intense precipitation, these cyclones are sometimes referred to as “arctic hurricanes. ”
Industry:Weather
A small circle on a weather chart marking the location of a synoptic station.
Industry:Weather
A small ascending balloon observed with a theodolite in order to obtain data for the computation of the speed and direction of upper-air winds.
Industry:Weather
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