Meteorology

Meteorology

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

Industry: Weather

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Meteorology

nondeterministic

Weather; Meteorology

Unpredictable in terms of observable antecedents and known laws. This is a relative term pertaining to a given state of knowledge but not necessarily implying ultimate unpredictability. Compare ...

noncoherent target

Weather; Meteorology

A radar target, such as rain, that produces an incoherent echo.

noise threshold

Weather; Meteorology

The power level of a signal below which noise is likely to obscure the signal and above which the signal is discernible.

nomogram

Weather; Meteorology

The graphical representation of an equation of three variables ''f''(''u, v, w'') = 0, by means of three graphical scales (not necessarily straight), arranged in such a manner that any straight ...

noise temperature

Weather; Meteorology

A measure of the noise power of a device or circuit. The noise temperature is the temperature of a resistor that has noise power equal to that of the device or circuit. Specifically, the noise ...

noise power

Weather; Meteorology

The power of the noise component of a signal.

noise filtering

Weather; Meteorology

The removal of components of a numerical solution of the hydrodynamical equations that correspond to time or space scales not of immediate interest. See Kalman–Bucy filter, meteorological noise.