The Meteorological Agency warned Monday of heavy rain in eastern and western Japan through Tuesday, calling for caution against possible flooding.
On Monday, hourly rainfall reached 76.0 mm in Kuwana, Mie Prefecture, and 58.0 mm in Aisai, Aichi Prefecture.
The Hiroshima Municipal Government issued an evacuation advisory to residents of areas hit by last year's massive landslides that left 75 people dead and 44 others injured. The town of Sera, Hiroshima Prefecture, also saw a record hourly downpour of 47.5 mm.
The Meteorological Agency said heavy rain, gusts and thunder were possible due to the movement of an atmospheric depression and a rain front that has remained over the southern coastal area of the Japanese archipelago.
On Monday afternoon, the eastern part of Kanagawa Prefecture was hit by gusts from an apparent tornado, the agency said. A construction worker sustained a broken leg, and injuries to two others were reported, while some trees were blown down.
Gusts were also observed in Saitama Prefecture, shattering windows in Koshigaya, the fire department said. No one was injured.
Services on the Tokaido Shinkansen Line were temporarily suspended between Shin-Yokohama and Odawara stations in Kanagawa Prefecture due to heavy rain, Central Japan Railway Co. (JR Tokai) said.
Services on the Sanyo Shinkansen Line were also briefly suspended due to rain, West Japan Railway Co. said.