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halo, in meteorology

(Encyclopedia)halo, in meteorology, short-lived circles or arcs, and less commonly spikes and crosses, of colored or whitish light surrounding the moon or sun or in clouds as seen from above. A halo occurs when the...

halo, in art

(Encyclopedia)halo, in art: see nimbus.

hail, in meteorology

(Encyclopedia)hail, precipitation in the form of pellets composed of ice or of ice and snow, occurring at any time of the year, usually during the passage of a cold front or during a thunderstorm. Small hailstones ...

glaze, in meteorology

(Encyclopedia)glaze, in meteorology: see sleet.

nimbus, in meteorology

(Encyclopedia)nimbus, in meteorology, low, dark, formless cloud covering the entire sky, from which rain or snow is steadily falling. The term is usually applied to any cloud from which rain descends. Modifications...

precipitation, in meteorology

(Encyclopedia)precipitation, in meteorology, condensed moisture that falls to the surface of the earth in the form of rain, sleet, snow, hail, frost, or dew. ...

meteorology

(Encyclopedia)meteorology, branch of science that deals with the atmosphere of a planet, particularly that of the earth, the most important application of which is the analysis and prediction of weather. Individual...

anthelion

(Encyclopedia)anthelion: see halo.

parhelion

(Encyclopedia)parhelion: see halo.

Bjerknes, Vilhelm Frimann Koren

(Encyclopedia)Bjerknes, Vilhelm Frimann Koren vĭlˈhĕlm frēˈmän kôˈrən byĕrkˈnĕs [key], 1862–1951, Norwegian physicist and pioneer in modern meteorology. He worked on applying hydrodynamic and thermody...