- 行业: Weather
- Number of terms: 60695
- Number of blossaries: 0
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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, ...
On satellite images, an area of clouds, often within a larger cloud shield, that, based upon surface or radar observations, is resulting in precipitation.
Industry:Weather
On a synoptic chart, the point at which a warm front, cold front, and occlusion meet.
Industry:Weather
Old sea ice, generally considered to be at least ten years old; it is nearly always a form of pressure ice and is often found in floebergs and in the pack ice of the central Arctic Ocean.
Industry:Weather
Narrow, straight, or curved streaks that appear in extensive overcast cloud regions. A low sun angle creates the striation effect by differential shadowing of varying cloud levels.
Industry:Weather
On a synoptic chart (or on a mean chart of atmospheric pressure), a point of local minimum or maximum pressure; the center of a low or high. Pressure center is also a center of cyclonic or anticyclonic circulation. See center of action, central pressure.
Industry:Weather
On a radar display, graphic marks that facilitate the determination of the range of a target from the radar. Range markers may be in the form of a scale on a range axis or, as on a PPI display, in the form of concentric circles with the position of the radar at the center.
Industry:Weather
Observations of meteorological variables such as temperature, pressure, and relative humidity by a radiosonde in the upper air. The data are transmitted instantaneously to the observing station.
Industry:Weather
Observation considered valid for a more or less extended area around a point (station) where an observation is made.
Industry:Weather
