Meteorology

Meteorology

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

Industry: Weather

Add a new term

Contributors in Meteorology

Become a Contributors

Meteorology

orsure

Weather; Meteorology

A stormy north to northeast wind in the Gulf of Lions off the southern coast of France.

oroshi

Weather; Meteorology

In Japan, a dry, northwesterly bora descending the mountains of central Honshu onto the Kanto Plain in winter. This wind is strong, usually exceeding 10 m s −1 .

orography

Weather; Meteorology

1. The nature of a region with respect to its elevated terrain. 2. That branch of geomorphology that deals with the disposition and character of hills and mountains.

optimum interpolation

Weather; Meteorology

Commonly known as OI, this procedure provides an estimate of the state of the atmosphere by a weighted least squares fit to observations and a background field, usually provided by a NWP model ...

optimal yield

Weather; Meteorology

Amount of annual withdrawal from an aquifer or reservoir that best meets a set of economic, environmental, and/or social objectives, subject to a set of prescribed constraints.

optimal perturbation

Weather; Meteorology

A perturbation that is intended to produce the largest (optimal) change to a forecast measure ''J''. For example, if ''J'' is a measure of forecast error, an optimal perturbation δ''x'' could ...

1. The (dimensionless) line integral of the absorption coefficient, or of the scattering coefficient, or of the sum of the two, along any path in a scattering and absorbing medium. More often than ...