deterioration of weather meaning in Chinese

天气变坏

Mackerel sky , not twenty - four hours dry describes the deterioration of weather after the appearance of cirrocumulus clouds . although it may be bright at the beginning , the weather will deteriorate in half a day s time as the cyclone or front approaches . as they pick up more moisture , the cirrocumulus clouds thicken and extend downward to become low - level clouds which bear rain
鱼鳞天，不雨也风颠是形容卷积云出现后天气转坏的状况，虽然初时天气明朗，但约半天光景后，天气会随气旋或锋面的移近而转坏，风速增强，卷积云也会随著水气增加而逐渐增厚，云层向下伸延转为低层云，产生降雨。