- By Ajeet Kumar
- Wed, 09 Sep 2026 11:28 AM (IST)
- Source:JND
- Nagoya recorded highest-ever hourly rainfall, causing severe flooding.
- Level 5 emergency warning issued for parts of Nagoya.
- Widespread train suspensions, including Tokaido Shinkansen, stranded commuters.
Torrential rain pounded Japan's Tokai region, including Aichi and Gifu prefectures, on Tuesday afternoon, flooding roads across the area. Nagoya recorded 101.5 millimetres of rainfall in one hour, the highest ever recorded in the city, and the downpour forced widespread train suspensions that stranded commuters, including a temporary halt to Tokaido Shinkansen bullet train services.
Horrific videoes of flood surface online
Social media footage showed floodwaters submerging streets, washing into a local hotel, and trapping vehicles up to their doors. Minato Ward saw multiple underpasses completely inundated.
2026年9月8日、名古屋が未曽有の豪雨に見舞われた。
— ロナウドの兄 (@ldsworld_nelson) September 8, 2026
• 記録的な降水量：市内で1時間に104ミリを超える雨を観測（千種区で104.5ミリ）。名古屋の観測史上最多の1時間降水量となり、2000年の東海豪雨で記録された97.0ミリを上回った。
•… pic.twitter.com/wWhcmdDDQT
While several drivers were forced to abandon their cars as water levels surged, local authorities confirmed that all occupants managed to self-evacuate safely without injuries or rescues required.
🚨🇯🇵 Meanwhile in Nagoya, Japan
— Concerned Citizen (@BGatesIsaPyscho) September 8, 2026
The City of Nagoya (population 2.5 million) just experienced the most amount of rainfall in its recorded history.
A level 5 Warning is in place after 104mm of rain landed within an hour.
Below is the Shonai River which flows through the city… pic.twitter.com/sInwUKMblb
Nagoya issues Level 5 emergency warning
Nagoya bore the brunt of the storm, recording an all-time city record of 104.5 millimetres of rain in a single hour ending at 4:53 p.m., according to the Japan Meteorological Agency. Nagoya municipal authorities issued a Level 5 emergency safety warning, the highest alert on Japan's scale, for parts of Chikusa, Moriyama, and Meito Wards due to severe river flooding risks. Residents were urged to immediately seek safety on higher floors or in nearby tall buildings.
#BREAKING: 🇯🇵 Nagoya copped 104.5mm in one hour, the heaviest since 1890, streets turned to rivers#Japan #Nagoya #Flooding pic.twitter.com/tIOqtvUZpv
— Twilight (@TwilightDewy) September 9, 2026
Transit chaos
The extreme downpour forced widespread train suspensions, including a temporary halt of the Tokaido Shinkansen bullet train, leaving thousands of commuters stranded. Officials warn that municipal drainage systems remain severely overwhelmed. Residents are strongly advised to avoid underground spaces, shopping arcades, and underpasses, as sudden flooding continues to pose extreme dangers throughout the region.
(With inputs from Reuters)