{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:11.438852", "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": "2022-Jun-06_to_2022-Jun-09_359.0_5.0"}, "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": 2022060001779}, "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": "June 06 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 218793.68471933712}, "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": ["Ghana"]}, "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": 5.0}, "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": 359.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "359.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 355.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 364.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 3.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 6.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[3.2, 4.62], [3.32, 4.68], [3.47, 5.03], [4.0, 5.25], [4.53, 5.03], [4.75, 4.5], [4.53, 3.97], [4.18, 3.82], [4.03, 3.47], 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"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": {"2022-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[1.75, 4.0], [1.8500000000000227, 4.25], [1.75, 4.5], [1.9700000000000273, 5.03], [2.5, 5.25], [3.0299999999999727, 5.03], [3.1999999999999886, 4.62], [3.319999999999993, 4.68], [3.4700000000000273, 5.03], [4.0, 5.25], [4.529999999999973, 5.03], [4.75, 4.5], [4.529999999999973, 3.97], [4.180000000000007, 3.82], [4.029999999999973, 3.47], [3.680000000000007, 3.32], [3.5299999999999727, 2.97], [3.0, 2.75], [2.75, 2.85], [2.5, 2.75], [1.9700000000000273, 2.97], [1.75, 3.5], [1.8500000000000227, 3.75], [1.75, 4.0]]]]}, "2022-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-5.529999999999973, 3.97], [-5.75, 4.5], 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standardized t2m anomalies.", "value": [NaN, 1.9731294710122862, 2.263397209076567, 2.0350254834332775]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [NaN, 2.7421204916125266, 3.3906224148588127, 2.7431028443123755]}}