The weather suddenly changed and there was a storm. Improve a sentence

According to the structural logic of subject+predicate+object, weather is the subject, rain is the predicate and storm is the object. According to the structural logic of subject+predicate+object, the weather (gas) will only rain heavily, not rainstorm, which usually means to blow rainstorm.

Therefore, the correct answer is: the weather changed suddenly, and there was a strong wind and a heavy rain.