Meteorology

Meteorology

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

Contributors in Meteorology

Meteorology

Localized, convective snow bands that occur in the lee of lakes when relatively cold airflows over warm water. In the United States this phenomenon is most noted along the south and east shores of ...

lightning

Weather; Meteorology

Lightning is a transient, high-current electric discharge with pathlengths measured in kilometers. The most common source of lightning is the electric charge separated in ordinary thunderstorm clouds ...

leaf wetness

Weather; Meteorology

Liquid moisture on exposed leaf surfaces or other exposed plant parts.

libeccio

Weather; Meteorology

Italian name for a southwest wind; used especially in northern Corsica for the west or southwest wind that blows throughout the year, and especially in winter when it is often stormy. On windward ...

Kolmogorov scale

Weather; Meteorology

Length scale of turbulent motion below which the effects of molecular viscosity are nonnegligible. In three-dimensional turbulence, the Kolmogorov scale is (ν2/ε)1/4, in which ν is the kinematic ...

leaf wetness duration

Weather; Meteorology

Length of time of continual exposure of plant surfaces to liquid moisture. Leaf wetness duration is often related to plant disease infection periods. See Mills period.

limiting angle

Weather; Meteorology

In winds aloft observations using radio direction finding (RDF), the elevation angle below which errors in rawinsonde tracking caused by reflection and refraction are so great the resulting wind ...