weather front

Noun

(meteorology) The boundary between two masses of air of different density and/or temperature

Japanese Meaning

気象前線: 異なる密度や温度を持つ二つの空気の塊が接する境界線

A strong weather front moved across the region overnight, bringing sudden temperature drops and heavy rain.

強い前線が夜のうちに地域を通過し、急激な気温の低下と激しい雨をもたらした。

Sense（1）

(meteorology) The boundary between two masses of air of different density and/or temperature

weather fronts

（ plural ）