23 Terms
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Meteorology
A database of terms pertaining to the scientific study of the atmosphere.
Industry: Weather
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Meteorology
local thermodynamic equilibrium (LTE)
Weather; Meteorology
A condition under which matter emits radiation based on its intrinsic properties and its temperature, uninfluenced by the magnitude of any incident radiation. LTE occurs when the radiant energy ...
low-level jet (LLJ)
Weather; Meteorology
A jet stream that is typically found in the lower 2–3 km of the troposphere. At night, sometimes called a nocturnal jet. Examples are the African jet and the Somali jet.
isentropic condensation level
Weather; Meteorology
The level at which a parcel of moist air lifted dry-adiabatically would become saturated. On a thermodynamic diagram it is located at the point of intersection of the dry adiabat through the point ...
lightning imaging sensor (LIS)
Weather; Meteorology
An instrument designed to detect lightning from space as part of TRMM.
laser-induced fluorescence (LIF)
Weather; Meteorology
Experimental technique in which the absorption of laser radiation excites a molecule or atom to an excited energy level, followed by emission of radiation as the system relaxes. The technique has ...
level of free sink (LFS)
Weather; Meteorology
The level at which a parcel of descending air becomes cooler than its surroundings. On a thermodynamic diagram the level of free sink is given by the point of intersection of the process curve ...
limited fine-mesh model (LFM)
Weather; Meteorology
An adaptation of Shuman and Hovermale's (1968) hemispheric six-layer primitive equations numerical weather prediction model. It used a finer horizontal grid mesh (190. 5 km) to reduce truncation ...
