{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:44.881314", "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-May-04_to_2010-May-06_139.0_36.5"}, "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": 2010050001413}, "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": "May 04 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 06 2010"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 85223.1768207665}, "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": []}, "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": 36.5}, "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": 139.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 140.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 37.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.0, 35.75], [133.25, 35.65], [133.5, 35.75], [133.75, 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34.25], [133.25, 34.35], [133.18, 34.32], [133.03, 33.97], [132.5, 33.75], [131.97, 33.97], [131.75, 34.5], [131.97, 35.03], [132.32, 35.18], [132.47, 35.53], [133.0, 35.75]]]]}, "2010-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.0, 35.75], [133.25, 35.65], [133.5, 35.75], [133.75, 35.65], [133.82, 35.68], [133.97, 36.03], [134.5, 36.25], [135.03, 36.03], [135.18, 35.68], [135.25, 35.65], [135.32, 35.68], [135.47, 36.03], [135.82, 36.18], [135.97, 36.53], [136.5, 36.75], [136.75, 36.65], [137.0, 36.75], [137.25, 36.65], [137.32, 36.68], [137.35, 36.75], [137.25, 37.0], [137.47, 37.53], [138.0, 37.75], [138.5, 37.54], [139.0, 37.75], [139.25, 37.65], [139.5, 37.75], [139.75, 37.65], [140.0, 37.75], [140.25, 37.65], [140.5, 37.75], [141.03, 37.53], [141.25, 37.0], [141.15, 36.75], [141.25, 36.5], [141.03, 35.97], [140.5, 35.75], [140.25, 35.85], [140.0, 35.75], [139.75, 35.85], [139.68, 35.82], [139.65, 35.75], [139.75, 35.5], [139.53, 34.97], [139.0, 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amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.5668532886859365}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.669754915090948, 19.294062880035824, 19.150626078259847]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [21.09883745417102, 21.7413348861744, 21.98823382241153]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.340282478409553, 4.837216322634678, 4.523061065013578]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.679971255563544, 6.684126632472953, 7.402165453865223]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4765671828965008, 1.6859329092308575, 1.6365246910990041]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8704176505845875, 2.280557502343385, 2.4466608562624113]}}