{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:26:29.894030", "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-Jul-13_to_2021-Jul-15_347.0_22.0"}, "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": 2021070002240}, "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 13 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 15 2021"}, "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": 54349.854909800786}, "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": 22.0}, "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": 347.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "347.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 345.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 350.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 23.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[-15.146, 22.75], [-15.25, 23.0], [-15.03, 23.53], [-14.5, 23.75], [-13.97, 23.53], [-13.823, 23.177], [-13.47, 23.03], [-13.323, 22.677], [-13.25, 22.646], [-13.0, 22.75], [-12.75, 22.646], [-12.5, 22.75], [-12.25, 22.646], [-12.0, 22.75], [-11.75, 22.646], [-11.677, 22.677], [-11.53, 23.03], [-11.177, 23.177], [-11.03, 23.53], [-10.677, 23.677], [-10.53, 24.03], [-10.0, 24.25], [-9.47, 24.03], [-9.25, 23.5], [-9.354, 23.25], [-9.25, 23.0], [-9.457, 22.5], [-9.25, 22.0], [-9.47, 21.47], [-9.823, 21.323], [-9.97, 20.97], [-10.5, 20.75], [-11.0, 20.957], [-11.5, 20.75], [-11.75, 20.854], [-12.0, 20.75], [-12.53, 20.97], [-12.677, 21.323], [-12.75, 21.354], [-13.0, 21.25], [-13.25, 21.354], [-13.5, 21.25], [-13.75, 21.354], [-14.0, 21.25], [-14.25, 21.354], [-14.5, 21.25], [-15.03, 21.47], [-15.25, 22.0], [-15.146, 22.25], [-15.25, 22.5], [-15.146, 22.75]]]}}, "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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mean t2m", "description": "The daily evolution of mean t2m.", "value": [37.61814247749487, 37.891722479098576, 37.378726904105804]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [40.354821568252305, 39.812965884838945, 40.07947488250164]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.4748906593512294, 3.5094037701053487, 2.7557435958451966]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.181999206522789, 4.632107782019034, 3.6431156765608534]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3939997504967065, 1.4873251222780717, 1.2329031701080082]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6392349296922386, 1.9020877264445826, 1.571061624817765]}}