Meteorology

Meteorology

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

Contributors in Meteorology

Meteorology

A photometric unit of illuminance or illumination equal to one lumen per square meter. A level of illumination between 200 and 1000 lux is generally considered to be adequate for homes and offices. ...

levantera

Weather; Meteorology

A persistent east wind in the Adriatic, usually bringing cloudy weather. Compare levante, greco, gregale.

Little Ice Age

Weather; Meteorology

A period between approximately A. D. 1550 (or perhaps as early as 1300) and 1850 in which mountain glaciers advanced in many parts of the world. The precise timing of the advances and retreats varied ...

local closure

Weather; Meteorology

A method of approximating the effects of turbulence at some height zk that considers only the meteorological state in the immediate vicinity of that height. For example, if estimating a turbulent ...

limited-area forecast model

Weather; Meteorology

A numerical model with a horizontal domain that does not cover the entire globe. Such models must be given lateral boundary conditions from either a global forecast model or from another limited-area ...

logarithmic scale

Weather; Meteorology

A nonuniform scale representing the function y = log x. See logarithm, alignment chart.

lightning mapping system

Weather; Meteorology

A network of lightning detection equipment for locating the electromagnetic sources of a lightning flash. The flash, both intracloud and cloud-to-ground, is mapped in three-dimensional space using ...