{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:23:11.539274", "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": "2022-Sep-12_to_2022-Sep-20_109.5_11.0"}, "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": 2022090001920}, "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": "September 12 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 20 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 145986.80586296672}, "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": ["Viet Nam"]}, "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": ["South China Sea"]}, "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": 11.0}, "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": 109.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "109.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 107.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 112.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 13.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[107.85, 10.75], [107.75, 11.0], [107.97, 11.53], [108.5, 11.75], [108.75, 11.65], [108.82, 11.68], [108.85, 11.75], 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"polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[109.0, 10.25], [108.47, 10.47], [108.25, 11.0], [108.47, 11.53], [109.0, 11.75], [109.25, 11.65], [109.5, 11.75], [110.03, 11.53], [110.25, 11.0], [110.03, 10.47], [109.5, 10.25], [109.25, 10.35], [109.0, 10.25]]]]}, "2022-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.97, 12.03], [109.32, 12.18], [109.47, 12.53], [110.0, 12.75], [110.53, 12.53], [110.75, 12.0], [110.65, 11.75], [110.75, 11.5], [110.53, 10.97], [110.18, 10.82], [110.03, 10.47], [109.5, 10.25], [109.25, 10.35], [109.0, 10.25], [108.47, 10.47], [108.25, 11.0], [108.47, 11.53], [108.82, 11.68], [108.97, 12.03]]]]}, "2022-09-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[108.97, 12.03], [109.32, 12.18], [109.47, 12.53], [110.0, 12.75], [110.53, 12.53], [110.75, 12.0], 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