{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:18:38.250894", "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-Sep-30_to_2020-Oct-02_349.5_18.0"}, "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": 2020090002822}, "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 30 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 02 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": 76561.17942607263}, "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": ["Mauritania"]}, "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": []}, "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": 18.0}, "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": 349.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "349.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 346.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 19.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-14.53, 17.53], [-14.0, 17.75], [-13.75, 17.646], [-13.5, 17.75], [-13.25, 17.646], [-13.177, 17.677], [-13.03, 18.03], [-12.677, 18.177], [-12.646, 18.25], [-12.75, 18.5], [-12.646, 18.75], [-12.75, 19.0], [-12.53, 19.53], [-12.0, 19.75], [-11.75, 19.646], [-11.5, 19.75], [-10.97, 19.53], [-10.823, 19.177], [-10.75, 19.146], [-10.5, 19.25], [-10.25, 19.146], [-10.0, 19.25], [-9.47, 19.03], [-9.323, 18.677], [-8.97, 18.53], [-8.75, 18.0], [-8.97, 17.47], [-9.323, 17.323], [-9.47, 16.97], [-9.823, 16.823], [-9.97, 16.47], [-10.5, 16.25], [-10.75, 16.354], [-11.0, 16.25], [-11.25, 16.354], [-11.5, 16.25], [-11.75, 16.354], [-12.0, 16.25], [-12.25, 16.354], [-12.5, 16.25], [-12.75, 16.354], [-13.0, 16.25], [-13.25, 16.354], [-13.323, 16.323], [-13.47, 15.97], [-14.0, 15.75], [-14.53, 15.97], [-14.75, 16.5], [-14.646, 16.75], [-14.75, 17.0], [-14.53, 17.53]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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"evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.94699568467894, 35.37985764202318, 35.48783562003143]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.24842223979448, 36.52441201708808, 37.609445364012856]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.253945587967597, 2.678482020969675, 2.814346795285653]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7875920472033044, 3.116361821573946, 4.045199886297496]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2518172886985661, 1.5641925537518186, 1.6470875143941748]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4946849065875523, 1.8965057108900218, 2.15897240680322]}}