Chiba Prefecture's Ichihara City expanded the area covered by its Level 5 emergency safety advisory on Monday, September 21, 2026, because of the possibility that the Takataki Dam could carry out an e
The same day, flooding information at the highest level was issued for rivers in two Chiba cities. 日テレNEWS NNN reported a Level 5 inundation notice for the Takasaki River, which runs through Sakura Ci
Separately, 日テレNEWS NNN reported that authorities were moving toward holding off on the Takataki Dam emergency discharge.
The reports, carried by several Japanese outlets, describe a broad emergency response across Chiba Prefecture rather than a single incident. An emergency release from a dam sends a surge of water down
What to watch next: whether the Takataki Dam release is formally cancelled or carried out, and how conditions on the Takasaki and Yoro rivers develop.
Weathernews reports Ichihara City widened its highest-level evacuation advisory over possible emergency discharge from T