{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:17.740866", "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": "2020-Aug-26_to_2020-Sep-01_107.0_27.5"}, "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": 2020080002763}, "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": "August 26 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 01 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 51748.199254069135}, "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": ["China"]}, "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": 27.5}, "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": 107.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "107.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 107.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 30.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.25, 28.0], [105.47, 28.53], [106.0, 28.75], [106.53, 28.53], [106.68, 28.18], [107.03, 28.03], [107.25, 27.5], [107.03, 26.97], [106.5, 26.75], [105.97, 26.97], [105.82, 27.32], [105.47, 27.47], [105.25, 28.0]]]]}, "2020-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 27.75], [105.25, 28.0], [105.35, 28.25], [105.25, 28.5], [105.47, 29.03], [105.82, 29.18], [105.97, 29.53], [106.5, 29.75], [106.75, 29.65], [107.0, 29.75], [107.53, 29.53], [107.75, 29.0], [107.65, 28.75], [107.75, 28.5], [107.65, 28.25], [107.75, 28.0], [107.65, 27.75], [107.75, 27.5], [107.65, 27.25], [107.75, 27.0], [107.53, 26.47], [107.0, 26.25], [106.75, 26.35], [106.5, 26.25], [106.25, 26.35], [106.0, 26.25], [105.47, 26.47], [105.25, 27.0], [105.35, 27.25], [105.25, 27.5], [105.35, 27.75]]]]}, "2020-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 27.75], [105.25, 28.0], [105.35, 28.25], [105.25, 28.5], [105.47, 29.03], [105.82, 29.18], [105.97, 29.53], [106.32, 29.68], [106.35, 29.75], [106.25, 30.0], [106.47, 30.53], [107.0, 30.75], [107.53, 30.53], [107.68, 30.18], [108.03, 30.03], [108.25, 29.5], [108.04, 29.0], [108.25, 28.5], [108.04, 28.0], [108.25, 27.5], [108.03, 26.97], [107.68, 26.82], [107.53, 26.47], [107.0, 26.25], [106.75, 26.35], [106.5, 26.25], [106.25, 26.35], [106.0, 26.25], [105.47, 26.47], [105.25, 27.0], [105.35, 27.25], [105.25, 27.5], [105.35, 27.75]]]]}, "2020-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 27.75], [105.25, 28.0], [105.35, 28.25], [105.25, 28.5], [105.47, 29.03], [105.82, 29.18], [105.97, 29.53], [106.32, 29.68], [106.35, 29.75], [106.25, 30.0], [106.47, 30.53], [107.0, 30.75], [107.53, 30.53], [107.68, 30.18], [108.03, 30.03], [108.25, 29.5], [108.04, 29.0], [108.25, 28.5], [108.04, 28.0], [108.25, 27.5], [108.03, 26.97], [107.68, 26.82], [107.53, 26.47], [107.0, 26.25], [106.75, 26.35], [106.5, 26.25], [106.25, 26.35], [106.0, 26.25], [105.47, 26.47], [105.25, 27.0], [105.35, 27.25], [105.25, 27.5], [105.35, 27.75]]]]}, "2020-08-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.35, 27.75], [105.25, 28.0], [105.35, 28.25], [105.25, 28.5], [105.47, 29.03], [105.82, 29.18], [105.97, 29.53], [106.32, 29.68], [106.35, 29.75], [106.25, 30.0], [106.47, 30.53], [107.0, 30.75], [107.53, 30.53], [107.68, 30.18], [108.03, 30.03], [108.25, 29.5], [108.04, 29.0], [108.25, 28.5], [108.04, 28.0], [108.25, 27.5], [108.03, 26.97], [107.68, 26.82], [107.53, 26.47], [107.0, 26.25], [106.75, 26.35], [106.5, 26.25], [106.25, 26.35], [106.0, 26.25], [105.47, 26.47], [105.25, 27.0], [105.35, 27.25], [105.25, 27.5], [105.35, 27.75]]]]}, "2020-08-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.47, 28.03], [107.0, 28.25], [107.25, 28.15], [107.5, 28.25], [108.03, 28.03], [108.25, 27.5], [108.03, 26.97], [107.68, 26.82], [107.53, 26.47], [107.0, 26.25], [106.47, 26.47], [106.25, 27.0], [106.35, 27.25], [106.25, 27.5], [106.47, 28.03]]]]}, "2020-09-01T11:30:00.000000000": 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