weird weather 天气很反常
We've had some really weird weather lately!
pop-up storm 雷阵雨
In the summer, it seems like D.C. is hit by pop-up storm every day!
raining cats and dogs 瓢泼大雨
We got hit by a pop up storm yesterday! All of a sudden it started raining cats and dogs and I didn't have an umbrella!!
storm clouds 乌云
roll in 飘过来
You know it's gonna rain when you see big storm clouds rolling in!