{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:19:30.125186", "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": "2020-Nov-17_to_2020-Nov-19_143.5_-4.5"}, "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": 2020110001911}, "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": "November 17 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 19 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 64750.99392025305}, "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": ["Papua New Guinea"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": ["Bismarck Sea", "Pacific Ocean"]}, "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": -4.5}, "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": 143.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "143.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 145.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -5.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -2.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[141.47, -1.97], [142.0, -1.75], [142.25, -1.854], [142.5, -1.75], [142.75, -1.854], [143.0, -1.75], [143.53, -1.97], [143.75, -2.5], [143.646, -2.75], [143.677, -2.823], [144.03, -2.97], [144.177, -3.323], [144.25, -3.354], [144.5, -3.25], [145.03, -3.47], [145.25, -4.0], [145.146, -4.25], [145.177, -4.323], [145.25, -4.354], [145.5, -4.25], [146.03, -4.47], [146.25, -5.0], [146.03, -5.53], [145.5, -5.75], [145.25, -5.646], [145.0, -5.75], [144.75, -5.646], [144.5, -5.75], [144.25, -5.646], [144.0, -5.75], [143.47, -5.53], [143.323, -5.177], [143.25, -5.146], [143.0, -5.25], [142.75, -5.146], [142.5, -5.25], [142.25, -5.146], [142.0, -5.25], [141.47, -5.03], [141.25, -4.5], [141.47, -3.97], [141.823, -3.823], [141.875, -3.698], [141.47, -3.53], [141.25, -3.0], [141.354, -2.75], [141.25, -2.5], [141.47, -1.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.E.Asia", "Equatorial.Pacific-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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