{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:58.941186", "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-Jun-09_to_2023-Jun-12_106.5_24.0"}, "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": 2023060001791}, "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": "June 09 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 12 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 107311.94205472164}, "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": 24.0}, "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": 106.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 105.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 111.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 25.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[105.0, 24.25], [105.25, 24.15], [105.32, 24.18], [105.35, 24.25], [105.25, 24.5], [105.47, 25.03], [105.82, 25.18], [105.97, 25.53], [106.32, 25.68], [106.47, 26.03], [107.0, 26.25], [107.53, 26.03], [107.75, 25.5], [107.65, 25.25], [107.68, 25.18], [107.75, 25.15], [108.0, 25.25], [108.25, 25.15], [108.5, 25.25], [108.75, 25.15], [109.0, 25.25], [109.25, 25.15], [109.32, 25.18], [109.35, 25.25], [109.25, 25.5], [109.47, 26.03], [110.0, 26.25], [110.25, 26.15], [110.5, 26.25], [110.75, 26.15], [111.0, 26.25], [111.53, 26.03], [111.75, 25.5], [111.65, 25.25], [111.75, 25.0], [111.53, 24.47], [111.0, 24.25], [110.75, 24.35], [110.5, 24.25], [110.25, 24.35], [110.18, 24.32], [110.03, 23.97], [109.68, 23.82], [109.53, 23.47], [109.0, 23.25], [108.75, 23.35], [108.5, 23.25], [108.2, 23.38], [108.15, 23.25], [108.25, 23.0], [108.03, 22.47], [107.68, 22.32], [107.53, 21.97], [107.18, 21.82], [107.03, 21.47], [106.5, 21.25], [106.25, 21.35], [106.0, 21.25], [105.47, 21.47], [105.25, 22.0], [105.35, 22.25], [105.32, 22.32], [104.97, 22.47], [104.82, 22.82], [104.47, 22.97], [104.25, 23.5], [104.47, 24.03], [105.0, 24.25]]]]}}, "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": {"2023-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.75, 23.5], [104.97, 24.03], [105.32, 24.18], [105.35, 24.25], [105.25, 24.5], [105.47, 25.03], [105.82, 25.18], [105.97, 25.53], [106.32, 25.68], [106.47, 26.03], [107.0, 26.25], [107.53, 26.03], [107.75, 25.5], [107.65, 25.25], [107.75, 25.0], [107.65, 24.75], [107.75, 24.5], [107.53, 23.97], [107.18, 23.82], [107.03, 23.47], [106.63, 23.3], [106.68, 23.18], [107.03, 23.03], [107.25, 22.5], [107.03, 21.97], [106.5, 21.75], [106.25, 21.85], [106.0, 21.75], [105.47, 21.97], [105.32, 22.32], [104.97, 22.47], [104.75, 23.0], [104.85, 23.25], [104.75, 23.5]]]]}, "2023-06-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[104.47, 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"evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.264887758962004, 30.735677268288896, 31.97704337306635, 31.980486374875795]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.3464228135391494, 2.76641083261876, 3.772202574690268, 3.0066261768921696]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.2430962826800283, 3.703121727147334, 5.15431633310277, 5.048534605845816]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4777556644518344, 1.6869039694109904, 2.2611219632868926, 1.8158240049414203]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9941045433387228, 2.356724410795479, 3.0072154254061383, 2.9254685814982184]}}