晴せい天てん域いき

noun

area of clear sky; clear-sky region

Technical term used in weather forecasts and meteorology to describe a region where the sky is clear, often contrasted with cloudy or rainy areas.

• 明日あしたは本ほん州しゅうの広ひろい範はん囲いで晴せい天てん域いきが広ひろがるでしょう。

  Tomorrow, a large area of clear sky will spread across Honshu.

• 気き象しょう衛えい星せいの画が像ぞうでは、関かん東とう地ち方ほうに晴せい天てん域いきが見みられます。

  In the satellite image, an area of clear sky can be seen over the Kanto region.