translucidus

translucidus

[tran′slüs·əd·əs]
(meteorology)
A cloud variety occurring in a layer, patch, or extensive sheet, the greater part of which is sufficiently translucent to reveal the position of the sun, or through which higher clouds may be discerned; this variety is found in the general altocumulus, altostratus, stratocumulus, and stratus.
References in periodicals archive ?
The cloud types shown on the stamp pane are: Cirrus radiatus, Cirrostratus fibratus, Cirrocumulus undulatus, Cumulonimbus mammatus, Cumulonimbus incus, Altocumulus stratiformis, Altostratus translucidus, Altocumulus undulatus, Altocumulus castellanus, Altocumulus lenticularis, Stratocumulus undulatus, Stratus opacus, Cumulus humilis, Cumulus congestus and Cumulonimbus with tornado (see information sheet that follows this release).
Altostratus translucidus, cloud sheets formed by the rising and cooling of large air masses, often precede advancing storm systems.