{ "id": "ev-10223", "slug": "heat-wave-jp-2026-01-13", "title": "Heat wave in Japan and Korea, South, 13 to 19 January 2026", "type": "heat_wave", "status": "closed", "start": "2026-01-13", "end": "2026-01-19", "peakDay": "2026-01-17", "countries": [ "JP", "KR" ], "footprint": { "type": "Polygon", "coordinates": [ [ [ 126.63, 37.47 ], [ 127.75, 34.73 ], [ 128.83, 32.7 ], [ 131.08, 31.73 ], [ 139.78, 33.12 ], [ 140.85, 35.73 ], [ 141.3, 38.43 ], [ 140.12, 41.87 ], [ 127.73, 37.9 ], [ 126.63, 37.47 ] ] ] }, "counts": { "byType": { "tmax_high": 130, "tmin_high": 59 } }, "dailyCounts": [ { "date": "2026-01-13", "n": 2 }, { "date": "2026-01-14", "n": 1 }, { "date": "2026-01-15", "n": 22 }, { "date": "2026-01-16", "n": 49 }, { "date": "2026-01-17", "n": 66 }, { "date": "2026-01-18", "n": 21 }, { "date": "2026-01-19", "n": 28 } ], "top": [ { "id": "JA000047890-2026-01-17-tmax_high-daily", "stationId": "JA000047890", "stationName": "Tadotsu", "countryIso2": "JP", "type": "tmax_high", "timescale": "daily", "date": "2026-01-17", "value": 16.4, "unit": "c", "prevValue": 13.3, "prevDate": "1966-01-17", "margin": 3.1, "yearsStood": 60, "porYears": 76, "tie": false, "provisional": false, "significance": 37, "lat": 34.283, "lon": 133.75, "firstSeen": "2026-10-10T20:58:31Z", "revised": "2026-10-10" }, { "id": "JA000047602-2026-01-15-tmin_high-daily", "stationId": "JA000047602", "stationName": "Aikawa", "countryIso2": "JP", "type": "tmin_high", "timescale": "daily", "date": "2026-01-15", "value": 8, "unit": "c", "prevValue": 5.1, "prevDate": "1972-01-15", "margin": 2.9, "yearsStood": 54, "porYears": 76, "tie": false, "provisional": false, "significance": 35, "lat": 38.033, "lon": 138.233, "firstSeen": "2026-10-10T20:58:31Z", "revised": "2026-10-10" }, { "id": "JA000047899-2026-01-16-tmin_high-daily", "stationId": "JA000047899", "stationName": "Murotomisaki", "countryIso2": "JP", "type": "tmin_high", "timescale": "daily", "date": "2026-01-16", "value": 12.4, "unit": "c", 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