Meteorology

Meteorology

A database of terms pertaining to the scientific study of the atmosphere.

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Meteorology

neutral equilibrium

Weather; Meteorology

A condition of a system for which a small perturbation of a parcel of the system causes it to neither depart from its new position nor return to its previous one.

neutral atmosphere

Weather; Meteorology

Term used in an ionospheric context to describe the nonionized component of the atmosphere.

A radiometer designed to measure the difference in irradiance coming from two opposing hemispheric fields of view. Typically, this instrument would be used to measure the difference of upwelling and ...

nephelometer

Weather; Meteorology

1. General name for instruments that measure, at more than one angle, the scattering function of particles suspended in a medium. Information obtained from such instruments may be used to determine ...

net solar radiation

Weather; Meteorology

The difference between the solar radiation fluxes directed downward and upward; net flux of solar radiation.

net terrestrial radiation

Weather; Meteorology

The net flux density of terrestrial radiation. This is the difference between upwelling and downwelling longwave flux density, which may be referenced to any specified altitude, but is most commonly ...

network

Weather; Meteorology

System of small and mottled areas of enhanced brightness in the solar chromosphere. Their size varies from 5 to 20 arc-seconds. These features evolve from the plage areas and, like the plage, their ...