Meteorology

Meteorology

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

Industry: Weather

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Meteorology

observation well

Weather; Meteorology

A well drilled into an aquifer for the purpose of obtaining water level, water temperature, or water quality data.

Any collection of particles, aloft or in contact with the earth's surface, dense enough to be discernible to the observer. Examples are haze, dust, smoke, fog or ice fog, spray or mist, drifting or ...

obscured sky cover

Weather; Meteorology

1. In U. S. Weather observing practice, the designation for the sky cover when the sky is completely hidden by surface-based obscuring phenomena. It is encoded “X” in aviation weather observations; ...

turnover frequency

Weather; Meteorology

The highest frequency that can be determined in a Fourier analysis of a discrete sampling of data. If a time series is sampled at interval Δ''t'', this frequency is 1/2Δ''t'' cps.

oblique visual range

Weather; Meteorology

The greatest distance at which a specified target can be perceived when viewed along a line of sight inclined to the horizontal. One must distinguish upward from downward oblique visual range because ...

objective forecast

Weather; Meteorology

Typically used to denote that a forecast is free from any direct subjective influences resulting from human experience, interpretation, or bias. Examples are numerical and statistical forecasts. See ...

ozone shield

Weather; Meteorology

Popular expression, referring to the fact that the strong absorption of ultraviolet light by stratospheric ozone limits the amount of dangerous radiation reaching the earth's surface.