{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:03.132280", "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": "2024-Sep-01_to_2024-Sep-05_354.0_27.0"}, "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": 2024090000850}, "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 01 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2024"}, "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": 112288.83874171783}, "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": ["Algeria", "Mauritania"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": 27.0}, "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": 354.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "354.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 352.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 357.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 29.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-4.97, 25.97], [-5.32, 25.82], [-5.47, 25.47], [-6.0, 25.25], [-6.25, 25.35], [-6.5, 25.25], [-6.75, 25.35], [-7.0, 25.25], [-7.53, 25.47], [-7.68, 25.82], [-8.03, 25.97], [-8.18, 26.32], [-8.53, 26.47], [-8.75, 27.0], [-8.65, 27.25], [-8.75, 27.5], [-8.53, 28.03], [-8.0, 28.25], [-7.75, 28.15], [-7.5, 28.25], [-7.25, 28.15], [-7.18, 28.18], [-7.03, 28.53], [-6.68, 28.68], [-6.53, 29.03], [-6.0, 29.25], [-5.75, 29.15], [-5.5, 29.25], [-5.25, 29.15], [-5.18, 29.18], [-5.15, 29.25], [-5.25, 29.5], [-5.03, 30.03], [-4.5, 30.25], [-3.97, 30.03], [-3.82, 29.68], [-3.75, 29.65], [-3.5, 29.75], [-2.97, 29.53], [-2.82, 29.18], [-2.47, 29.03], [-2.25, 28.5], [-2.47, 27.97], [-2.82, 27.82], [-2.97, 27.47], [-3.32, 27.32], [-3.47, 26.97], [-4.0, 26.75], [-4.25, 26.85], [-4.32, 26.82], [-4.47, 26.47], [-4.82, 26.32], [-4.97, 25.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "Sahara"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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