cloud cover


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cloud cover

[′klau̇d ‚kəv·ər]
(meteorology)
That portion of the sky cover which is attributed to clouds, usually measured in tenths of sky covered. Also known as cloudage; cloudiness.

cloud cover

Estimated as the apparent coverage of the total sky as seen by an observer. It is expressed as octas or decas. When half the sky is covered with clouds, it is referred to as four-octa or five-deca clouds. Generally, the cloud amount is indicated by the expressions few, scattered, and overcast. Also called cloud amount
References in periodicals archive ?
In summer, areas of maximum cloud cover are located over southwest China, the Indian Peninsula, the Indochina Peninsula, the Bay of Bengal, and the South China Sea, accounting for 20%-25% of the total annual cloud cover.
Impacts of Cloud Cover on the Photovoltaic Power Output.
The towers were searched for carcasses on mornings following nights with four weather conditions: 1) [greater than or equal to] 50% cloud cover and northerly winds, 2) [greater than or equal to] 50% cloud cover and non-northerly winds, 3) <50% cloud cover and northerly winds, and 4) <50% cloud cover and non-northerly winds.
Later that same night, Peter Mugridge from Epsom, Surrey observed 11 Geminids between 00:05 and 01:05, again through gaps in the cloud cover. Although well after the peak, UK observations indicate that the Geminid ZHR was still in excess of 150 m/h at 21h on Dec 14, but declined steadily during the night to around 100 m/h by dawn.
Efforts made in reducing the effects of cloud cover on satellite data use compositing of selected cloud-free images in collocated pixels that are geometrically registered with the maximum Normalized Difference Vegetation Index (NDVI), or by compositing temporally overlapping satellites images of different overpass dates (Cihlar et al.
Satellite images sought by the Centre also did not give any clue as the area where the helicopter ferrying Khandu went missing was under cloud cover, the Indian Space Research Organisation said.
Sumatra and Kalimantan feature poor observational coverage compared to other centers of humid tropical forest change, such as Mato Grosso, Brazil, due to the lack of ongoing acquisitions from nearby ground stations and the persistence of cloud cover obscuring the land surface.
Some models predict that increasing temperatures will result in an increase in global mean cloud cover, which will limit warming as increasing amounts of solar radiation reflect sunlight back into space.
Under the gray cloud cover, blue birds course Like running water through
Summary: England made the most of heavy cloud cover at Edgbaston to bowl Pakistan out for 72 on day one of the second Test.
Within the report, the NSIDC cited "weather conditions, atmospheric patterns, and cloud cover" as playing lead roles in the melting ice.