ゲリラ豪雨

Meaning

1. expn
   unexpectedly strong rain (for the region, etc.); sudden rain

Example sentences

• あのね、ゴリラ豪雨じゃなくて、ゲリラ豪雨だよ。ちゃんとわかってる？

  It's not "gorilla rain", but "guerrilla rain"; do you understand?

• 今年の夏は少雨による水不足が懸念される一方で、局地的なゲリラ豪雨は昨年の3.5倍になるとの予想も出ている。

  On one hand, water shortages are expected this summer because of lower rainfall, but on the other hand, large rainstorms are 3.5 times more likely locally than last year.