Sep 9, 2026CONTEXTDisaster

Shonai River Warning Downgraded to Level 2 as Nagoya Schools Close

The Level 5 flood emergency warning for the Shonai River was downgraded to a Level 2 advisory at 12:40 a.m. on September 9. Nagoya temporarily closed municipal kindergartens and schools because further heavy rain remained possible.

Shonai River
Nagoya

Sources

Shonai River Warning Downgraded to Level 2 as Nagoya Municipal Schools Close
CBCテレビJASep 9, 2026News article

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OngoingEnvironment · Society · 2026

Record Rainfall and Urban Flooding in Nagoya

Tracks the September 2026 disaster in which linear rainbands brought the heaviest one-hour rainfall on record to Nagoya, flooding urban roads and railway tracks and paralyzing public transport. A Level 5 flood emergency warning was issued for the Shonai River, followed by evacuations, preliminary damage assessments, a warning downgrade and recovery operations.

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