{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:59.151264", "data_source": "ERA5", "website": "http://wexa.jamstec.go.jp", "Author": "Patrick Martineau"}, "event_id": {"name": "Event ID", "description": "A unique identifier based on: beginning_date, end_date, longitude, and latitude", "value": "2010-Oct-17_to_2010-Oct-24_130.5_34.0"}, "event_label": {"name": "Event label", "description": "Integer-valued grid identifier that uniquely labels each detected extreme event in space and time, consistent with the corresponding labels stored in the NetCDF dataset.", "value": 2010100002141}, "status": {"name": "Status", "description": "An ongoing event denotes an event that lasts up to the latest data available. These events are subject to change as newer data is added.", "value": false}, "start_date": {"name": "Start date", "description": "First date on which grid points are under the influence of an event", "value": "October 17 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 24 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "figures_available": {"name": "Figures available", "description": "True if figures were pre-generated for this event", "value": true}, "detection_var": {"name": "Detection variable", "description": "Variable used for the detection scheme", "value": "t2m"}, "event_type": {"name": "Event type", "description": "Type of the event detected", "value": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 79126.31027624884}, "countries_affected": {"name": "Countries affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the countries affected by an event during its lifetime.", "value": ["Japan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "oceans_affected": {"name": "Ocean basins affected", "description": "The ArcGIS geocoding API (https://developers.arcgis.com/rest/geocode/) is used to obtain a list of all the ocean basins affected by an event during its lifetime.", "value": ["Eastern China Sea", "Japan Sea"]}, "center_lat": {"name": "Center latitude", "description": "Latitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 34.0}, "center_lon": {"name": "Center longitude", "description": "Longitude of the maximum time-integrated standardized t2m anomalies. Only t2m of the same polarity as the events are considered (positive T2m for a HW, for instance). The centre is thus representative of both the severity and persistence of anomalies.", "value": 130.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 126.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 132.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 32.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-10-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.47, 36.53], [131.0, 36.75], [131.25, 36.65], [131.5, 36.75], [131.75, 36.65], [132.0, 36.75], [132.53, 36.53], [132.75, 36.0], [132.53, 35.47], [132.18, 35.32], [132.03, 34.97], [131.5, 34.75], [131.25, 34.85], [131.0, 34.75], [130.47, 34.97], [130.25, 35.5], [130.35, 35.75], [130.25, 36.0], [130.47, 36.53]]]]}, "2010-10-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.0, 34.75], [128.25, 34.65], [128.5, 34.75], [128.75, 34.65], [129.0, 34.75], [129.25, 34.65], [129.32, 34.68], [129.47, 35.03], [129.82, 35.18], [129.85, 35.25], [129.75, 35.5], [129.97, 36.03], [130.32, 36.18], [130.47, 36.53], [131.0, 36.75], [131.25, 36.65], [131.5, 36.75], [131.75, 36.65], [132.0, 36.75], [132.53, 36.53], [132.68, 36.18], [133.03, 36.03], [133.25, 35.5], [133.03, 34.97], [132.5, 34.75], [132.2, 34.88], [132.03, 34.47], [131.5, 34.25], [131.25, 34.35], [131.18, 34.32], [131.15, 34.25], [131.25, 34.0], [131.03, 33.47], [130.5, 33.25], [130.25, 33.35], [130.18, 33.32], [130.03, 32.97], [129.5, 32.75], [129.25, 32.85], [129.0, 32.75], [128.75, 32.85], [128.5, 32.75], [128.0, 32.96], [127.5, 32.75], [126.97, 32.97], [126.75, 33.5], [126.97, 34.03], [127.32, 34.18], [127.47, 34.53], [128.0, 34.75]]]]}, "2010-10-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.75, 33.5], [126.97, 34.03], [127.32, 34.18], [127.47, 34.53], [127.82, 34.68], [127.97, 35.03], [128.5, 35.25], [128.75, 35.15], [129.0, 35.25], [129.5, 35.04], [129.82, 35.18], [129.85, 35.25], [129.75, 35.5], [129.97, 36.03], [130.32, 36.18], [130.47, 36.53], [131.0, 36.75], [131.25, 36.65], [131.5, 36.75], [131.75, 36.65], [132.0, 36.75], [132.53, 36.53], [132.68, 36.18], [133.03, 36.03], [133.25, 35.5], [133.03, 34.97], [132.5, 34.75], [132.2, 34.88], [132.03, 34.47], [131.5, 34.25], [131.25, 34.35], [131.18, 34.32], [131.15, 34.25], [131.25, 34.0], [131.15, 33.75], [131.25, 33.5], [131.15, 33.25], [131.25, 33.0], [131.03, 32.47], [130.5, 32.25], [129.97, 32.47], [129.82, 32.82], [129.75, 32.85], [129.5, 32.75], [129.25, 32.85], [129.0, 32.75], [128.75, 32.85], [128.5, 32.75], [128.2, 32.88], [128.03, 32.47], [127.68, 32.32], [127.53, 31.97], [127.0, 31.75], [126.47, 31.97], [126.25, 32.5], [126.47, 33.03], [126.82, 33.18], [126.85, 33.25], [126.75, 33.5]]]]}, "2010-10-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.75, 33.5], [126.97, 34.03], [127.32, 34.18], [127.47, 34.53], [127.82, 34.68], [127.97, 35.03], [128.5, 35.25], [128.75, 35.15], [129.0, 35.25], [129.5, 35.04], [129.82, 35.18], [129.85, 35.25], [129.75, 35.5], [129.97, 36.03], [130.5, 36.25], [130.75, 36.15], [130.82, 36.18], [130.97, 36.53], [131.5, 36.75], [131.75, 36.65], [132.0, 36.75], [132.53, 36.53], [132.68, 36.18], [133.03, 36.03], [133.25, 35.5], [133.03, 34.97], [132.5, 34.75], [132.2, 34.88], [132.03, 34.47], [131.5, 34.25], [131.25, 34.35], [131.18, 34.32], [131.15, 34.25], [131.25, 34.0], [131.15, 33.75], [131.25, 33.5], [131.15, 33.25], [131.25, 33.0], [131.03, 32.47], [130.5, 32.25], [129.97, 32.47], [129.82, 32.82], [129.75, 32.85], [129.5, 32.75], [129.25, 32.85], [129.0, 32.75], [128.75, 32.85], [128.5, 32.75], [128.2, 32.88], [128.03, 32.47], [127.68, 32.32], [127.53, 31.97], [127.0, 31.75], [126.47, 31.97], [126.25, 32.5], [126.47, 33.03], [126.82, 33.18], [126.85, 33.25], [126.75, 33.5]]]]}, "2010-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.03, 33.53], [128.25, 33.0], [128.03, 32.47], [127.68, 32.32], [127.53, 31.97], [127.0, 31.75], [126.47, 31.97], [126.25, 32.5], [126.47, 33.03], [126.82, 33.18], [126.97, 33.53], [127.5, 33.75], [128.03, 33.53]]], [[[129.53, 35.53], [129.75, 35.0], [129.65, 34.75], [129.75, 34.5], [129.57, 34.07], [129.82, 34.18], [129.97, 34.53], [130.5, 34.75], [131.03, 34.53], [131.25, 34.0], [131.15, 33.75], [131.25, 33.5], [131.15, 33.25], [131.25, 33.0], [131.03, 32.47], [130.5, 32.25], [129.97, 32.47], [129.82, 32.82], [129.47, 32.97], [129.25, 33.5], [129.43, 33.93], [129.0, 33.75], [128.75, 33.85], [128.5, 33.75], [127.97, 33.97], [127.75, 34.5], [127.97, 35.03], [128.32, 35.18], [128.47, 35.53], [129.0, 35.75], [129.53, 35.53]]]]}, "2010-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.97, 31.97], [125.75, 32.5], [125.97, 33.03], [126.5, 33.25], [127.03, 33.03], [127.25, 32.5], [127.03, 31.97], [126.5, 31.75], [125.97, 31.97]]], [[[127.97, 35.03], [128.32, 35.18], [128.47, 35.53], [129.0, 35.75], [129.53, 35.53], [129.75, 35.0], [129.65, 34.75], [129.7, 34.63], [130.0, 34.75], [130.25, 34.65], [130.5, 34.75], [131.03, 34.53], [131.25, 34.0], [131.03, 33.47], [130.5, 33.25], [130.25, 33.35], [130.0, 33.25], [129.5, 33.46], [129.0, 33.25], [128.47, 33.47], [128.32, 33.82], [127.97, 33.97], [127.75, 34.5], [127.97, 35.03]]]]}, "2010-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.97, 31.97], [125.75, 32.5], [125.97, 33.03], [126.5, 33.25], [127.03, 33.03], [127.25, 32.5], [127.03, 31.97], [126.5, 31.75], [125.97, 31.97]]], [[[127.97, 35.03], [128.32, 35.18], [128.47, 35.53], [129.0, 35.75], [129.53, 35.53], [129.75, 35.0], [129.65, 34.75], [129.7, 34.63], [130.0, 34.75], [130.25, 34.65], [130.5, 34.75], [131.03, 34.53], [131.25, 34.0], [131.03, 33.47], [130.5, 33.25], [130.25, 33.35], [130.0, 33.25], [129.5, 33.46], [129.0, 33.25], [128.47, 33.47], [128.32, 33.82], [127.97, 33.97], [127.75, 34.5], [127.97, 35.03]]]]}, "2010-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.97, 31.97], [125.75, 32.5], [125.97, 33.03], [126.5, 33.25], [127.03, 33.03], [127.25, 32.5], [127.03, 31.97], [126.5, 31.75], [125.97, 31.97]]], [[[129.0, 35.25], [129.53, 35.03], [129.7, 34.63], [130.0, 34.75], [130.25, 34.65], [130.5, 34.75], [131.03, 34.53], [131.25, 34.0], [131.03, 33.47], [130.5, 33.25], [130.25, 33.35], [130.0, 33.25], [129.5, 33.46], [129.0, 33.25], [128.47, 33.47], [128.25, 34.0], [128.35, 34.25], [128.25, 34.5], [128.47, 35.03], [129.0, 35.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.9932397711268095}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.6002337626144576}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.008964016008576, 21.596211529322545, 22.1912954730343, 22.01351057577955, 21.55647230234615, 21.368985342856092, 22.27178121044244, 21.504877166121787]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.23546970671231, 22.354595885306594, 23.71815058063936, 23.547543243081805, 22.942702197957317, 22.559904248210273, 23.131130938928493, 22.186741447463305]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.115393227070456, 2.133949558706901, 2.8404880110198, 2.700100818872272, 2.558242765610228, 2.3457746881089014, 3.422382152089345, 2.4648133932075096]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.199045546053185, 2.6014063574831425, 3.3504101329164655, 3.9932397711268095, 3.4036170333730524, 2.6481199748121185, 3.744919563238568, 2.7371327719563965]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3333470606746562, 1.367240346579895, 1.7142027989648148, 1.5424374194392418, 1.3151427837245675, 1.2303453044362676, 1.7509639475638494, 1.2743503858458698]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3688535877595276, 1.6045441721098739, 2.0277231660250603, 2.1498587007057264, 1.5245246390235934, 1.3931507912639616, 1.935617212290848, 1.4170371747306976]}}