Japan's July 2026 heatwave

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   อัปเดตครั้งที่ 122 ก.ค. 15:05 UTC

   Japan's First 'Cruelly Hot' Days: 40.6°C in Kuwana, a Weekly Toll of 10,857 Hospitalized and 14 Dead

   The Fire and Disaster Management Agency logged the year's first 10,000-plus heatstroke week as four cities broke 40°C and Tokyo set a 16-year single-day record.

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   • Whether a Pacific–Tibetan high overlap is the operative mechanism in 2026 — the mechanism is plausible and consistent with the agency's high-pressure framing, but the specific two-system overlap claim is not confirmed in the cited sources.
   • Whether sea-surface temperatures are 2–4°C above average around Japan in July 2026 and whether El Niño is a meaningful contributor this season.
   • The trajectory of August and September–October heat — whether the rest of the summer runs 40–60% above normal, as some coverage has suggested.
   • The full government response — reports of mass cooling-shelter openings and relaxed workplace dress codes have circulated but are not confirmed in the sources cited here.