{ "id": "ev-10243", "slug": "heat-wave-jp-2026-02-10", "title": "Heat wave in Japan and 5 other countries, 10 February to 5 March 2026", "type": "heat_wave", "status": "closed", "start": "2026-02-10", "end": "2026-03-05", "peakDay": "2026-02-22", "countries": [ "JP", "CN", "MN", "KR", "KP", "RU" ], "footprint": { "type": "Polygon", "coordinates": [ [ [ 96.25, 46.4 ], [ 100.22, 23.95 ], [ 103.38, 23.38 ], [ 127.68, 26.2 ], [ 139.78, 33.12 ], [ 145.58, 43.33 ], [ 142.22, 48 ], [ 127.35, 49.43 ], [ 99.67, 51.12 ], [ 96.25, 46.4 ] ] ] }, "counts": { "byType": { "tmax_high": 172, "tmin_high": 560 } }, "dailyCounts": [ { "date": "2026-02-10", "n": 1 }, { "date": "2026-02-11", "n": 6 }, { "date": "2026-02-12", "n": 21 }, { "date": "2026-02-13", "n": 6 }, { "date": "2026-02-15", "n": 1 }, { "date": "2026-02-16", "n": 8 }, { "date": "2026-02-17", "n": 7 }, { "date": "2026-02-18", "n": 21 }, { "date": "2026-02-19", "n": 42 }, { "date": "2026-02-20", "n": 60 }, { "date": "2026-02-21", "n": 47 }, 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