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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 lightning flash or stroke between a cloud and the ground that lowers negative charge to the ground.
Industry:Weather
Wind with a speed between 28 and 33 knots or force 7 on the Beaufort wind scale.
Industry:Weather
The process of calculating the earth coordinates (latitude and longitude) of remotely sensed data. Navigation requires an accurate knowledge of the position of the satellite in its orbit, the orientation of the satellite, and the scanning geometry of the instrument sensors.
Industry:Weather
A cloud species with the appearance of a nebulous veil, showing no distinct details. This species is found principally in the genera cirrostratus and stratus. Stratus nebulosus is the most common species of stratus. Cirrostratus nebulosus produces halo phenomena. See cloud classification.
Industry:Weather
The preferred term for the shorter wavelengths in the infrared region of the electromagnetic spectrum extending from about 0. 75 μm (visible red) to around 3 μm. The term usually emphasizes the radiation reflected from plant materials, which peaks around 0. 85 μm. Near-infrared is sometimes called solar infrared, since the flux of radiation in these wavelengths is a maximum during the daylight hours.
Industry:Weather
Pertaining to or the same as near-infrared radiation.
Industry:Weather
A tide of decreased amplitude, occurring semimonthly one or two days after quadrature. Compare spring tide, tropic tide, equatorial tide.
Industry:Weather
The average semidiurnal tidal range occurring at the time of neap tide.
Industry:Weather
The side of a tropical cyclone to the left of the direction of movement of the storm in the Northern Hemisphere (to the right in the Southern Hemisphere), where the winds are weaker because the cyclone's translation and rotation speeds subtract. Compare dangerous semicircle.
Industry:Weather
The twilight stage during which the sun's unrefracted center is at elevation angles −6° > ''h''<sub>0</sub> > −12°. During a clear evening's nautical twilight, horizontal illuminance decreases from ∼3. 5–2 lux to ∼0. 008 lux. At nautical twilight's bright upper limit, the brightest stars are visible and the (ocean) horizon is distinct. At its dark lower limit, the horizon is generally invisible.
Industry:Weather
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