overcast sky

listen to the pronunciation of overcast sky
English - Turkish
kapalı hava
English - English
A sky luminance distribution three times brighter near (C I E Standard Condition) the zenith than at the horizon, as defined by a formula proposed by Moon and Spencer in 1942 and adopted by the Commission International de l'Eclairge in 1955
one that has 100 per cent cloud cover; the sun is not visible