overcast


Also found in: Dictionary, Thesaurus, Acronyms, Wikipedia.

overcast

1. Meteorol (of the sky) more than 95 per cent cloud-covered
2. Meteorol the state of the sky when more than 95 per cent of it is cloud-covered

overcast

[′ō·vər‚kast]
(meteorology)
Pertaining to a sky cover of 1.0 (95% or more) when at least a portion of this amount is attributable to clouds or obscuring phenomena aloft, that is, when the total sky cover is not due entirely to surface-based obscuring phenomena.
Cloud layer that covers most or all of the sky; generally, a widespread layer of clouds such as that which is considered typical of a warm front.
(mining engineering)
An enclosed airway to permit one air current to pass over another without interruption.
To move overburden removed from coal mined from surface mines to an area from which the coal has been mined.

overcast (OVC)

As it relates to the cloud amount, it means 8 octas (8/8) of clouds, and the sky is totally covered with clouds. See cloud amount.
References in periodicals archive ?
6mm) diameter steel rods and copper tubes were overcast in the thicker section (1.
The wicket wasn't overtly helpful but the overcast conditions were.
When it is overcast, it offers a bit to the bowlers.
It's the chance of a lifetime, an opportunity that may never come around again," said Albert Olivari, another veteran who watched the Aluminum Overcast as it sat on the runway.
Conditions at Islip were better than the forecast of 200 overcast, with reports of 1000 overcast and five miles visibility.
Two hundred and fifty sun lovers donned two-piece swim suits under an overcast sky in Southend, Essex.
Having endured a torrid opening set on an overcast Court Two, she struck back in the second and looked comfortable as she amassed two set points.
AN early lead built up under an overcast sky and light breeze stood Allan Walsh in good stead in the third leg of the 7000 Broom Series.
Javed Omar remains unbeaten on 52 after an opening partnership of 86 with Shahriar Nafees in cloudy overcast conditions at the Sinhalese Sports Club ground.
Public spaces are flooded with natural light and supplemented with discrete systems to supplement artificial lighting at night time and during overcast days.
Where's the good ol' gloomy overcast that Great Britain is known for?
Pin to hold, then secure with a close overcast stitch without piercing through to other side of cotton.