{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:16:29.181059", "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": "2021-Dec-07_to_2021-Dec-11_115.5_10.5"}, "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": 2021120001736}, "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": "December 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 11 2021"}, "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": 127570.11943829646}, "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": ["Philippines"]}, "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": 10.5}, "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": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 115.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 8.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 12.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[117.25, 8.0], [117.03, 7.47], [116.5, 7.25], [116.25, 7.35], [116.0, 7.25], [115.47, 7.47], [115.25, 8.0], [115.47, 8.53], 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IPCC regions affected", "value": ["S.E.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.97, 9.03], [116.5, 9.25], [117.03, 9.03], [117.25, 8.5], [117.15, 8.25], [117.25, 8.0], [117.03, 7.47], [116.5, 7.25], [116.25, 7.35], [116.0, 7.25], [115.47, 7.47], [115.25, 8.0], [115.47, 8.53], [115.82, 8.68], [115.97, 9.03]]]]}, "2021-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[114.25, 10.0], [114.35, 10.25], [114.25, 10.5], [114.47, 11.03], [114.82, 11.18], [114.97, 11.53], [115.32, 11.68], [115.47, 12.03], [115.82, 12.18], [115.97, 12.53], [116.5, 12.75], [116.75, 12.65], [117.0, 12.75], [117.25, 12.65], [117.5, 12.75], [117.75, 12.65], [118.0, 12.75], [118.25, 12.65], [118.5, 12.75], [118.75, 12.65], [119.0, 12.75], [119.25, 12.65], [119.5, 12.75], [120.03, 12.53], [120.25, 12.0], [120.03, 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anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0790007964710226, 2.2716285085295564, 2.153303881820962, 2.5137712487412776, 1.7692895950309107]}}