{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:44.287644", "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": "2010-Sep-11_to_2010-Sep-13_16.5_-28.0"}, "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": 2010090002042}, "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 11 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 13 2010"}, "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": 52222.02644776988}, "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": ["Namibia", "South Africa"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Southern-Africa"]}, "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": -28.0}, "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": 16.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 17.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.85, -25.25], [14.75, -25.0], [14.85, -24.75], [14.75, -24.5], [14.85, -24.25], [14.75, -24.0], [14.97, -23.47], [15.5, -23.25], [16.03, -23.47], [16.25, -24.0], [16.15, -24.25], [16.25, -24.5], [16.15, -24.75], [16.25, -25.0], [16.15, -25.25], [16.18, -25.32], [16.53, -25.47], [16.75, -26.0], [16.65, -26.25], [16.75, -26.5], [16.65, -26.75], [16.68, -26.82], [17.03, -26.97], [17.18, -27.32], [17.53, -27.47], [17.75, -28.0], [17.65, -28.25], [17.75, -28.5], [17.65, -28.75], [17.68, -28.82], [18.03, -28.97], [18.25, -29.5], [18.15, -29.75], [18.25, -30.0], [18.03, -30.53], [17.5, -30.75], [16.97, -30.53], [16.75, -30.0], [16.85, -29.75], [16.82, -29.68], [16.47, -29.53], [16.32, -29.18], [15.97, -29.03], [15.82, -28.68], [15.47, -28.53], [15.32, -28.18], [14.97, -28.03], [14.75, -27.5], [14.97, -26.97], [15.32, -26.82], [15.35, -26.75], [15.32, -26.68], [14.97, -26.53], [14.75, -26.0], [14.85, -25.75], [14.75, -25.5], [14.85, -25.25]]]]}, "2010-09-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.85, -25.25], [14.75, -25.0], [14.85, -24.75], [14.75, -24.5], [14.85, -24.25], [14.75, -24.0], [14.97, -23.47], [15.5, -23.25], [16.03, -23.47], [16.25, -24.0], [16.15, -24.25], [16.25, -24.5], [16.15, -24.75], [16.25, -25.0], [16.15, -25.25], [16.18, -25.32], [16.53, -25.47], [16.75, -26.0], [16.65, -26.25], [16.75, -26.5], [16.65, -26.75], [16.68, -26.82], [17.03, -26.97], [17.18, -27.32], [17.53, -27.47], [17.75, -28.0], [17.65, -28.25], [17.75, -28.5], [17.65, -28.75], [17.68, -28.82], [18.03, -28.97], [18.25, -29.5], [18.15, -29.75], [18.25, -30.0], [18.03, -30.53], [17.5, -30.75], [16.97, -30.53], [16.75, -30.0], [16.85, -29.75], [16.82, -29.68], [16.47, -29.53], [16.32, -29.18], [15.97, -29.03], [15.82, -28.68], [15.47, -28.53], [15.32, -28.18], [14.97, -28.03], [14.75, -27.5], [14.97, -26.97], [15.32, -26.82], [15.35, -26.75], [15.32, -26.68], [14.97, -26.53], [14.75, -26.0], [14.85, -25.75], [14.75, -25.5], [14.85, -25.25]]]]}, "2010-09-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.85, -25.25], [14.75, -25.0], [14.85, -24.75], [14.75, -24.5], [14.85, -24.25], [14.75, -24.0], [14.97, -23.47], [15.5, -23.25], [16.03, -23.47], [16.25, -24.0], [16.15, -24.25], [16.25, -24.5], [16.15, -24.75], [16.25, -25.0], [16.15, -25.25], [16.18, -25.32], [16.53, -25.47], [16.75, -26.0], [16.65, -26.25], [16.75, -26.5], [16.65, -26.75], [16.68, -26.82], [17.03, -26.97], [17.18, -27.32], [17.53, -27.47], [17.75, -28.0], [17.65, -28.25], [17.75, -28.5], [17.65, -28.75], [17.68, -28.82], [18.03, -28.97], [18.25, -29.5], [18.15, -29.75], [18.25, -30.0], [18.03, -30.53], [17.5, -30.75], [16.97, -30.53], [16.75, -30.0], [16.85, -29.75], [16.82, -29.68], [16.47, -29.53], [16.32, -29.18], [15.97, -29.03], [15.82, -28.68], [15.47, -28.53], [15.32, -28.18], [14.97, -28.03], [14.75, -27.5], [14.97, -26.97], [15.32, -26.82], [15.35, -26.75], [15.32, -26.68], [14.97, -26.53], [14.75, -26.0], [14.85, -25.75], [14.75, -25.5], [14.85, -25.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.823113373874435}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.899281064863225}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.77228476262559, 24.976842214415683, 24.26766517403462]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.70937689201031, 28.146385838202377, 27.420399805068826]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.439321288019729, 7.538310107072128, 6.720211799497819]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.421334207133498, 10.823113373874435, 9.905707127248832]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7257909405511969, 1.956628946335709, 1.7378228755437386]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.277427792977832, 2.448098362545894, 2.2816464835558787]}}