Meteorology

Meteorology

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

Contributors in Meteorology

Meteorology

The western boundary current of the North Pacific subpolar gyre. Fed by the Alaskan Stream and Kamchatka Current, the Oyashio flows southward along the Kuril Islands and the east coast of northern ...

Ozmidov scale

Weather; Meteorology

A length scale for the description of turbulent flows under stable stratification, defined as the square root of the ratio between the dissipation rate of turbulent kinetic energy and the third power ...

optical transient detector (OTD)

Weather; Meteorology

An instrument, designed to detect lightning from space, that was launched on 3 April 1995 aboard the MicroLab-1 satellite into a near polar orbit at an inclination of 70°. The OTD was an engineering ...

Ogasawara high

Weather; Meteorology

A lower tropospheric anticyclone in the subtropics of the western Pacific that often occurs during summer and influences conditions over Japan. Named after the Ogasawara Islands (27°N, 141°E), over ...

off-center PPI scope

Weather; Meteorology

An obsolete type of radar display in which the center of a PPI display is offset from the geometrical center of the oscilloscope.

Ocean Topography Experiment (TOPEX)

Weather; Meteorology

A cooperative project between the United States and France to develop an advanced satellite system dedicated to observing the earth's oceans. The TOPEX/Poseidon satellite, launched in September 1992, ...

Nyquist 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.