{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:13.292162", "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": "2011-Aug-12_to_2011-Aug-16_110.5_33.5"}, "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": 2011080002431}, "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 12 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 16 2011"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 75365.03667690187}, "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": 33.5}, "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": 110.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "110.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 108.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.5, 39.25], [113.03, 39.03], [113.25, 38.5], [113.03, 37.97], [112.5, 37.75], [111.97, 37.97], [111.75, 38.5], [111.97, 39.03], [112.5, 39.25]]]]}, "2011-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, 35.5], [107.97, 36.03], [108.32, 36.18], [108.47, 36.53], [109.0, 36.75], [109.25, 36.65], [109.32, 36.68], [109.47, 37.03], [110.0, 37.25], [110.25, 37.15], [110.5, 37.25], [110.75, 37.15], [110.82, 37.18], [110.85, 37.25], [110.75, 37.5], [110.97, 38.03], [111.32, 38.18], [111.47, 38.53], [111.82, 38.68], [111.97, 39.03], [112.5, 39.25], [113.03, 39.03], [113.25, 38.5], [113.15, 38.25], [113.25, 38.0], [113.03, 37.47], [112.5, 37.25], [112.25, 37.35], [112.18, 37.32], [112.15, 37.25], [112.25, 37.0], [112.15, 36.75], [112.25, 36.5], [112.03, 35.97], [111.63, 35.8], [111.75, 35.5], [111.53, 34.97], [111.18, 34.82], [111.15, 34.75], [111.25, 34.5], [111.15, 34.25], [111.25, 34.0], [111.15, 33.75], [111.25, 33.5], [111.03, 32.97], [110.5, 32.75], [110.25, 32.85], [110.0, 32.75], [109.47, 32.97], [109.32, 33.32], [109.25, 33.35], [109.0, 33.25], [108.47, 33.47], [108.25, 34.0], [108.46, 34.5], [108.32, 34.82], [107.97, 34.97], [107.75, 35.5]]]]}, "2011-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, 35.5], [107.97, 36.03], [108.32, 36.18], [108.47, 36.53], [109.0, 36.75], [109.25, 36.65], [109.32, 36.68], [109.47, 37.03], [110.0, 37.25], [110.25, 37.15], [110.5, 37.25], [110.75, 37.15], [110.82, 37.18], [110.85, 37.25], [110.75, 37.5], [110.97, 38.03], [111.32, 38.18], [111.47, 38.53], [111.82, 38.68], [111.97, 39.03], [112.5, 39.25], [113.03, 39.03], [113.25, 38.5], [113.15, 38.25], [113.25, 38.0], [113.03, 37.47], [112.5, 37.25], [112.25, 37.35], [112.18, 37.32], [112.15, 37.25], [112.25, 37.0], [112.15, 36.75], [112.25, 36.5], [112.03, 35.97], [111.63, 35.8], [111.75, 35.5], [111.53, 34.97], [111.18, 34.82], [111.15, 34.75], [111.25, 34.5], [111.15, 34.25], [111.25, 34.0], [111.15, 33.75], [111.25, 33.5], [111.03, 32.97], [110.5, 32.75], [110.25, 32.85], [110.0, 32.75], [109.47, 32.97], [109.32, 33.32], [109.25, 33.35], [109.0, 33.25], [108.47, 33.47], [108.25, 34.0], [108.46, 34.5], [108.32, 34.82], [107.97, 34.97], [107.75, 35.5]]]]}, "2011-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[107.75, 35.5], [107.97, 36.03], [108.32, 36.18], [108.47, 36.53], [109.0, 36.75], [109.25, 36.65], [109.32, 36.68], [109.47, 37.03], [110.0, 37.25], [110.25, 37.15], [110.5, 37.25], [110.75, 37.15], [110.82, 37.18], [110.85, 37.25], [110.75, 37.5], [110.97, 38.03], [111.32, 38.18], [111.47, 38.53], [112.0, 38.75], [112.25, 38.65], [112.5, 38.75], [113.03, 38.53], [113.25, 38.0], [113.03, 37.47], [112.5, 37.25], [112.25, 37.35], [112.18, 37.32], [112.15, 37.25], [112.25, 37.0], [112.15, 36.75], [112.25, 36.5], [112.03, 35.97], [111.63, 35.8], [111.75, 35.5], [111.53, 34.97], [111.18, 34.82], [111.15, 34.75], [111.25, 34.5], [111.15, 34.25], [111.25, 34.0], [111.15, 33.75], [111.25, 33.5], [111.03, 32.97], [110.5, 32.75], 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