fall-streak hole

fall-streak hole

[′fȯl ‚strēk ‚hōl]
(meteorology)
A hole occurring in a cloud layer of supercooled water droplets; produced by the local freezing of some of the droplets and their coversion into fallout, frequently in a streak form.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Also known as a fall-streak hole or skypunch, it is a large gap, usually circular or elliptical, that can appear in cirrocumulus or altocumulus clouds.