< Back to situation

[REVISION HISTORY]

Heavy rain and flooding in Japan

Updated 1 time since CLSTR started tracking revisions of this situation.

What changed

2026-08-15 02:34 UTC → 2026-08-16 06:53 UTC · added removed

Heavy rainfall and flooding have impacted multiple regions across Japan. In the Ishikawa and Niigata prefectures, intense downpours and high tides caused road and farmland inundation, leading to transportation disruptions such as the suspension of JR Nanao Line services. In Niigata City, officials have emphasized disaster preparedness and drainage improvements following previous flooding. Subsequently, unprecedented torrential rainfall in eastern Japan caused severe flooding and fatalities in Chiba Prefecture, with reports indicating between five and eight deaths. Prefecture. The storm triggered landslide warnings and power outages for approximately 26,000 households, while causing structural damage death toll has risen to roughly 300 buildings. at least nine people, with one person reported missing. The weather also extreme weather, described by officials as “unprecedented,” saw Chiba record over 300mm of rain in 24 hours, marking its wettest August in 60 years. The flooding has caused significant travel disruptions, leaving widespread destruction, with more than 1,000 homes inundated and dozens of buildings partially or fully destroyed. Approximately 20,000 households have lost power, and authorities are managing hundreds of evacuees in local shelters. Infrastructure damage is significant, including an estimated 1,200 vehicles abandoned on flooded roads. Transportation remains heavily disrupted, with thousands of passengers travelers stranded at Narita airport. International Airport and various rail and road services affected. In Chiba City, investigations are underway following a fatal flooding incident at an underpass after a drainage pump and an emergency generator failed to operate.

Versions

  1. 2026-08-16 06:53 UTC Heavy rain and flooding in Japan
  2. 2026-08-15 02:34 UTC Heavy rain and flooding in Japan

Only revisions since CLSTR began indexing content versions appear here. Select a version to see what changed compared to the one before it.