- Industria: 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, ...
1. (United States. ) Snow flurry. 2. (Archaic. ) A sudden and brief wind squall.
Industry:Weather
1. A temporary cessation of the foehn at the ground, due to the formation or intrusion of a cold air layer that lifts the foehn above the valley floor. This often happens for a few hours in the early morning, just before sunrise, and brings about a rapid fall of temperature and increase of relative humidity that persists for an hour or more. Pause may also result from the advance or retreat of the mountain wave pattern that often accompanies the foehn. 2. The boundary between foehn air and its surroundings.
Industry:Weather
1. A rare type of fog formed in the same manner as a steam fog, but at colder temperatures so that it is composed of ice particles instead of water droplets. Thus, it is a type of ice fog. 2. Same as steam fog. Compare ice crystals.
Industry:Weather
1. The earth's magnetic field or the geophysical phenomena caused or affected by this field. 2. The scientific study of the earth's magnetic field, including its variation in space and time, and its relation to other geophysical phenomena (e.g., aurora). Geomagnetism belongs to the same family of earth sciences as geodesy and geomorphology.
Industry:Weather
1. Applied to an electromagnetic wave, often a radio wave, a drop in its power or field strength below a specified level. 2. Weakening of a received radio or radar signal caused by changes in the propagation medium. The term was originally applied to long-period changes in signal strength over bistatic radar links caused by interference between the signal reflected by the ionosphere and the direct, unreflected signal or ground wave. It now refers to interference phenomena caused by any type of multipath transmission either of tropospheric or ionospheric origin.
Industry:Weather
1. Applied to an electromagnetic wave, often a radio wave, a drop in its power or field strength below a specified level. 2. Weakening of a received radio or radar signal caused by changes in the propagation medium. The term was originally applied to long-period changes in signal strength over bistatic radar links caused by interference between the signal reflected by the ionosphere and the direct, unreflected signal or ground wave. It now refers to interference phenomena caused by any type of multipath transmission either of tropospheric or ionospheric origin.
Industry:Weather
1. A temporary cessation of the foehn at the ground, due to the formation or intrusion of a cold air layer that lifts the foehn above the valley floor. This often happens for a few hours in the early morning, just before sunrise, and brings about a rapid fall of temperature and increase of relative humidity that persists for an hour or more. Pause may also result from the advance or retreat of the mountain wave pattern that often accompanies the foehn. 2. The boundary between foehn air and its surroundings.
Industry:Weather
1. In its broadest sense, the complete statistical description of large scale atmospheric motions. These statistics are generated from the ensemble of daily data and include not only the temporal and spatial mean flows (e.g. Zonal westerlies and easterlies) but also all other mean properties of the atmosphere that are linked to these flows (e. G. , semipermanent waves and meridional cells) that together form the general circulation. The general circulation also includes higher-order statistics that measure the spatial and temporal variability of the atmosphere necessary to understand the large-scale temporal and spatial mean state of the atmosphere (e. G. , seasonal changes and the effects of transient cyclones). Compare planetary circulation. 2. See primary circulation.
Industry:Weather
1. In its broadest sense, the complete statistical description of large scale atmospheric motions. These statistics are generated from the ensemble of daily data and include not only the temporal and spatial mean flows (e.g. Zonal westerlies and easterlies) but also all other mean properties of the atmosphere that are linked to these flows (e. G. , semipermanent waves and meridional cells) that together form the general circulation. The general circulation also includes higher-order statistics that measure the spatial and temporal variability of the atmosphere necessary to understand the large-scale temporal and spatial mean state of the atmosphere (e. G. , seasonal changes and the effects of transient cyclones). Compare planetary circulation. 2. See primary circulation.
Industry:Weather
(Symbol Ga. ) A metallic element, atomic number 31 and atomic weight 69. 72, which is soft enough to cut with a knife. Its melting point is very low, 29. 74°C (85. 46°F) and its boiling point is 1700°C (3092°F). Gallium is used as a substitute for mercury in high-temperature thermometers.
Industry:Weather
