{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:03.642830", "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-Nov-14_to_2024-Nov-16_358.0_14.5"}, "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": 2024110001679}, "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": "November 14 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 16 2024"}, "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": 56827.51842852325}, "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": ["Burkina Faso", "Mali"]}, "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": 14.5}, "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": 358.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "358.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 356.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 359.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 16.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-4.25, 15.5], [-4.03, 16.03], [-3.5, 16.25], [-3.25, 16.15], [-3.18, 16.18], [-3.03, 16.53], [-2.5, 16.75], [-1.97, 16.53], [-1.75, 16.0], [-1.85, 15.75], [-1.82, 15.68], [-1.75, 15.65], [-1.5, 15.75], [-0.97, 15.53], [-0.75, 15.0], [-0.85, 14.75], [-0.75, 14.5], [-0.85, 14.25], [-0.75, 14.0], [-0.85, 13.75], [-0.82, 13.68], [-0.47, 13.53], [-0.25, 13.0], [-0.47, 12.47], [-1.0, 12.25], [-1.53, 12.47], [-1.68, 12.82], [-1.75, 12.85], [-2.0, 12.75], [-2.53, 12.97], [-2.68, 13.32], [-3.03, 13.47], [-3.2, 13.88], [-3.5, 13.75], [-4.03, 13.97], [-4.25, 14.5], [-4.15, 14.75], [-4.25, 15.0], [-4.15, 15.25], [-4.25, 15.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara", "Western-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.25, 15.0], [-4.149999999999977, 15.25], [-4.25, 15.5], [-4.029999999999973, 16.03], [-3.5, 16.25], [-3.25, 16.15], [-3.180000000000007, 16.18], [-3.0299999999999727, 16.53], [-2.5, 16.75], [-1.9700000000000273, 16.53], [-1.75, 16.0], [-1.8500000000000227, 15.75], [-1.8199999999999932, 15.68], [-1.75, 15.65], [-1.5, 15.75], [-0.9700000000000273, 15.53], [-0.75, 15.0], [-0.8500000000000227, 14.75], [-0.75, 14.5], [-0.8500000000000227, 14.25], [-0.75, 14.0], [-0.8500000000000227, 13.75], [-0.8199999999999932, 13.68], [-0.4700000000000273, 13.53], [-0.25, 13.0], [-0.4700000000000273, 12.47], [-1.0, 12.25], [-1.5299999999999727, 12.47], [-1.6800000000000068, 12.82], [-1.75, 12.85], [-2.0, 12.75], [-2.5299999999999727, 12.97], [-2.680000000000007, 13.32], [-3.0299999999999727, 13.47], [-3.1999999999999886, 13.88], [-3.5, 13.75], [-4.029999999999973, 13.97], [-4.25, 14.5], [-4.149999999999977, 14.75], [-4.25, 15.0]]]]}, "2024-11-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.25, 15.0], [-4.149999999999977, 15.25], [-4.25, 15.5], [-4.029999999999973, 16.03], [-3.5, 16.25], [-3.25, 16.15], [-3.180000000000007, 16.18], [-3.0299999999999727, 16.53], [-2.5, 16.75], [-1.9700000000000273, 16.53], [-1.75, 16.0], [-1.8500000000000227, 15.75], [-1.8199999999999932, 15.68], [-1.75, 15.65], [-1.5, 15.75], [-0.9700000000000273, 15.53], [-0.75, 15.0], [-0.8500000000000227, 14.75], [-0.75, 14.5], [-0.8500000000000227, 14.25], [-0.75, 14.0], [-0.8500000000000227, 13.75], [-0.8199999999999932, 13.68], [-0.4700000000000273, 13.53], [-0.25, 13.0], [-0.4700000000000273, 12.47], [-1.0, 12.25], [-1.5299999999999727, 12.47], [-1.6800000000000068, 12.82], [-1.75, 12.85], [-2.0, 12.75], [-2.5299999999999727, 12.97], [-2.680000000000007, 13.32], [-3.0299999999999727, 13.47], [-3.1999999999999886, 13.88], [-3.5, 13.75], [-4.029999999999973, 13.97], [-4.25, 14.5], [-4.149999999999977, 14.75], [-4.25, 15.0]]]]}, "2024-11-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-4.25, 15.0], [-4.149999999999977, 15.25], [-4.25, 15.5], [-4.029999999999973, 16.03], [-3.5, 16.25], [-3.25, 16.15], [-3.180000000000007, 16.18], [-3.0299999999999727, 16.53], [-2.5, 16.75], [-1.9700000000000273, 16.53], [-1.75, 16.0], [-1.8500000000000227, 15.75], [-1.8199999999999932, 15.68], [-1.75, 15.65], [-1.5, 15.75], [-0.9700000000000273, 15.53], [-0.75, 15.0], [-0.8500000000000227, 14.75], [-0.75, 14.5], [-0.8500000000000227, 14.25], [-0.75, 14.0], [-0.8500000000000227, 13.75], [-0.8199999999999932, 13.68], [-0.4700000000000273, 13.53], [-0.25, 13.0], [-0.4700000000000273, 12.47], [-1.0, 12.25], [-1.5299999999999727, 12.47], [-1.6800000000000068, 12.82], [-1.75, 12.85], [-2.0, 12.75], [-2.5299999999999727, 12.97], [-2.680000000000007, 13.32], [-3.0299999999999727, 13.47], [-3.1999999999999886, 13.88], [-3.5, 13.75], [-4.029999999999973, 13.97], [-4.25, 14.5], [-4.149999999999977, 14.75], [-4.25, 15.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.08383640996567}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.671495266478579}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.805652270400742, 30.266332713344696, 30.300837720904497]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.70915247599288, 31.17469431559249, 31.393341318766318]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.267870001479857, 2.819236671448951, 2.927379126506929]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.4518379737257874, 3.50940535744013, 4.08383640996567]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6015620474545302, 1.9607695930451734, 1.9641060421988918]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0817679927982833, 2.301099866319466, 2.60039389499663]}}