{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:17:35.098519", "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-Jul-15_to_2020-Jul-19_347.5_7.0"}, "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": 2020070002405}, "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": "July 15 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 19 2020"}, "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": 64381.49815157859}, "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": ["Sierra Leone"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": ["Atlantic 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": 7.0}, "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": 347.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "347.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 345.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 348.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 6.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 8.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-15.0, 8.25], [-14.75, 8.146], [-14.677, 8.177], [-14.646, 8.25], [-14.75, 8.5], [-14.53, 9.03], [-14.0, 9.25], [-13.75, 9.146], [-13.5, 9.25], [-12.97, 9.03], [-12.823, 8.677], [-12.47, 8.53], [-12.323, 8.177], [-11.97, 8.03], [-11.823, 7.677], [-11.75, 7.646], [-11.5, 7.75], [-10.97, 7.53], [-10.75, 7.0], [-10.854, 6.75], [-10.75, 6.5], [-10.97, 5.97], [-11.5, 5.75], [-12.03, 5.97], [-12.177, 6.323], [-12.249, 6.354], [-12.25, 6.354], [-12.323, 6.323], [-12.47, 5.97], [-13.0, 5.75], [-13.25, 5.854], [-13.5, 5.75], [-13.75, 5.854], [-14.0, 5.75], [-14.53, 5.97], [-14.677, 6.323], [-14.75, 6.354], [-15.0, 6.25], [-15.53, 6.47], [-15.75, 7.0], [-15.646, 7.25], [-15.75, 7.5], [-15.53, 8.03], [-15.0, 8.25]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Western-Africa", "Equatorial.Atlantic-Ocean"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-15T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[-12.75, 6.353553390593278], [-13.0, 6.25], 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