上空に寒気が流れ込んだ影響で大気の状態が不安定になり、２４日、関東甲信を中心に各地で雷を伴った激しい雨が降った。東京都内では局地的に激しいひょうが降り、住民を驚かせた。
Some parts of Tokyo were hit by hailstones on June 24, 2014, due to atmospheric instability. The hailstones covered roads, making it difficult for people to walk and forcing a major cleanup effort.