{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:49.833524", "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": "2023-Oct-24_to_2023-Oct-28_107.0_21.0"}, "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": 2023100002057}, "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 24 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 28 2023"}, "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": 80232.04039177808}, "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", "Viet Nam"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "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": 21.0}, "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": 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": 104.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 108.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[107.53, 20.47], [107.18, 20.32], [107.03, 19.97], [106.5, 19.75], [105.97, 19.97], [105.82, 20.32], [105.47, 20.47], [105.32, 20.82], [105.25, 20.85], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [103.97, 21.47], [103.75, 22.0], [103.97, 22.53], [104.32, 22.68], [104.35, 22.75], [104.25, 23.0], [104.47, 23.53], [105.0, 23.75], [105.25, 23.65], [105.5, 23.75], [105.75, 23.65], [106.0, 23.75], [106.25, 23.65], [106.5, 23.75], [106.75, 23.65], [107.0, 23.75], [107.53, 23.53], [107.68, 23.18], [108.03, 23.03], [108.18, 22.68], [108.53, 22.53], [108.75, 22.0], [108.65, 21.75], [108.75, 21.5], [108.53, 20.97], [108.0, 20.75], [107.7, 20.88], [107.53, 20.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[106.47, 21.53], [107.0, 21.75], [107.53, 21.53], [107.75, 21.0], [107.53, 20.47], [107.18, 20.32], [107.03, 19.97], [106.5, 19.75], [105.97, 19.97], [105.75, 20.5], [105.97, 21.03], [106.32, 21.18], [106.47, 21.53]]]]}, "2023-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, 21.47], [103.75, 22.0], [103.97, 22.53], [104.32, 22.68], [104.35, 22.75], [104.25, 23.0], [104.47, 23.53], [105.0, 23.75], [105.25, 23.65], [105.5, 23.75], [105.75, 23.65], [106.0, 23.75], [106.25, 23.65], [106.5, 23.75], [106.75, 23.65], [107.0, 23.75], [107.53, 23.53], [107.68, 23.18], [108.03, 23.03], [108.18, 22.68], [108.53, 22.53], [108.75, 22.0], [108.65, 21.75], [108.75, 21.5], [108.53, 20.97], [108.0, 20.75], [107.7, 20.88], [107.53, 20.47], [107.18, 20.32], [107.03, 19.97], [106.5, 19.75], [105.97, 19.97], [105.82, 20.32], [105.47, 20.47], [105.32, 20.82], [105.25, 20.85], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [103.97, 21.47]]]]}, "2023-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, 21.47], [103.75, 22.0], [103.97, 22.53], [104.32, 22.68], [104.35, 22.75], [104.25, 23.0], [104.47, 23.53], [105.0, 23.75], [105.25, 23.65], [105.5, 23.75], [105.75, 23.65], [106.0, 23.75], [106.25, 23.65], [106.5, 23.75], [106.75, 23.65], [107.0, 23.75], [107.53, 23.53], [107.68, 23.18], [108.03, 23.03], [108.18, 22.68], [108.53, 22.53], [108.75, 22.0], [108.65, 21.75], [108.75, 21.5], [108.53, 20.97], [108.0, 20.75], [107.7, 20.88], [107.53, 20.47], [107.18, 20.32], [107.03, 19.97], [106.5, 19.75], [105.97, 19.97], [105.82, 20.32], [105.47, 20.47], [105.32, 20.82], [105.25, 20.85], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [103.97, 21.47]]]]}, "2023-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[103.97, 21.47], [103.75, 22.0], [103.97, 22.53], [104.32, 22.68], [104.35, 22.75], [104.25, 23.0], [104.47, 23.53], [105.0, 23.75], [105.25, 23.65], [105.5, 23.75], [105.75, 23.65], [106.0, 23.75], [106.25, 23.65], [106.5, 23.75], [106.75, 23.65], [107.0, 23.75], [107.53, 23.53], [107.68, 23.18], [108.03, 23.03], [108.18, 22.68], [108.53, 22.53], [108.75, 22.0], [108.65, 21.75], [108.75, 21.5], [108.53, 20.97], [108.0, 20.75], [107.7, 20.88], [107.53, 20.47], [107.18, 20.32], [107.03, 19.97], [106.5, 19.75], [105.97, 19.97], [105.82, 20.32], [105.47, 20.47], [105.32, 20.82], [105.25, 20.85], [105.0, 20.75], [104.47, 20.97], [104.32, 21.32], [103.97, 21.47]]]]}, "2023-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[105.75, 21.0], [105.97, 21.53], [106.5, 21.75], [106.75, 21.65], [107.0, 21.75], [107.53, 21.53], [107.75, 21.0], [107.53, 20.47], [107.18, 20.32], [107.03, 19.97], [106.5, 19.75], [105.97, 19.97], [105.75, 20.5], [105.85, 20.75], [105.75, 21.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.311017649364658}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.078316408841014}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.133726588740558, 25.690673317390576, 25.56102574290736, 25.893999714658264, 26.87496611786065]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.136064208633513, 27.552160549574694, 27.150396501091677, 28.346798026619865, 26.98798940098976]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.1876414225916676, 2.9715918695535026, 2.9609935492123975, 3.435480903524229, 2.4296735058477643]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.5502614821435827, 3.6891048275396088, 3.8744498376420324, 4.311017649364658, 2.6638945170107604]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2698403061466639, 1.4614459009127043, 1.439254591234627, 1.6626491967080843, 1.3193713075403104]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4698476150006121, 1.7249172514084856, 1.7769292540087183, 2.1022592917897134, 1.5065110402076543]}}