HALO


Meaning of HALO in English

The ring of light that seems to encircle the sun or moon when veiled by cirrus clouds. To produce this phenomena, the ice crystals must be in a heterogeneous arrangement to refract the sunlight. The most commonly observed is a halo that forms at a 22° radius, although another one at 46° radius may also be seen.

Weather and meteorology English vocabulary.      Английский словарь погоды и метеорологии .