とおりあめ
shower; passing rain
Noun
通とおり雨あめにあったよ。
I was caught in a shower.
通とおり雨あめだからすぐ止やむよ。
This is a tropical storm. It'll be over soon.
通とおり雨あめにあって、びしょぬれになったんだ。
I was caught in a shower and got drenched to the skin.