Heavy rain warnings may expand in Kanto and Koshin regions

The Japan Meteorological Agency has issued a Level 5 emergency warning for heavy rain and landslides in the northern Izu Islands, urging maximum caution through early September 8. Heavy rain warnings may expand in the Kanto and Koshin regions. Record rainfall has hit the area, with Tokyo's Oshima Island receiving 581.5 mm in 24 hours and Chiba's Tateyama seeing 341.0 mm, both setting new observation records. The unstable atmospheric conditions are expected to persist through September 10, with up to 100 mm of rain forecast in the Koshin region. Authorities warn of landslide risks in southern Chiba Prefecture and flooding, river rises, and landslides across the Kanto and Koshin regions. Residents should also prepare for lightning, tornadoes, and hail.