partial obscuration

partial obscuration

[′pär·shəl äb·skyu̇′rā·shən]
(meteorology)
In United States weather observing practice, the designation for sky cover when part (0.1 to 0.9) of the sky is completely hidden by surface-based obscuring phenomena.

partial obscuration

A designation of the sky cover when part of the sky is hidden by surface-based obscuring phenomena.
References in periodicals archive ?
eclipse The total or partial obscuration of light from a celestial body as it passes through the shadow of another body.
occultation Complete or partial obscuration of an astronomical object by another.