supralateral tangent arcs

supralateral tangent arcs

[¦sü·prə′lad·ə·rəl ′tan·jənt ′ärks]
(meteorology)
Two oblique luminous arcs, concave to the sun and tangent to the halo of 46° at points above the altitude of the sun.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
Mentioned in ?