{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:52.069805", "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": "2013-Mar-02_to_2013-Mar-05_16.0_-25.5"}, "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": 2013030001240}, "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": "March 02 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 05 2013"}, "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": 99520.96536503991}, "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"]}, "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": -25.5}, "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": 16.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-03-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.35, -25.25], [15.25, -25.0], [15.35, -24.75], [15.25, -24.5], [15.47, -23.97], [16.0, -23.75], [16.53, -23.97], [16.75, -24.5], [16.65, -24.75], [16.75, -25.0], [16.65, -25.25], [16.75, -25.5], [16.65, -25.75], [16.75, -26.0], [16.63, -26.3], [17.03, -26.47], [17.25, -27.0], [17.15, -27.25], [17.25, -27.5], [17.03, -28.03], [16.5, -28.25], [15.97, -28.03], [15.82, -27.68], [15.47, -27.53], [15.25, -27.0], [15.46, -26.5], [15.25, -26.0], [15.35, -25.75], [15.25, -25.5], [15.35, -25.25]]]]}, "2013-03-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.35, -25.25], [15.25, -25.0], [15.35, -24.75], [15.25, -24.5], [15.47, -23.97], [16.0, -23.75], [16.25, -23.85], [16.5, -23.75], [17.03, -23.97], [17.25, -24.5], [17.15, -24.75], [17.18, -24.82], [17.25, -24.85], [17.32, -24.82], [17.47, -24.47], [18.0, -24.25], [18.53, -24.47], [18.75, -25.0], [18.65, -25.25], [18.75, -25.5], [18.63, -25.8], [19.03, -25.97], [19.25, -26.5], [19.15, -26.75], [19.18, -26.82], [19.53, -26.97], [19.75, -27.5], [19.65, -27.75], [19.75, -28.0], [19.53, -28.53], [19.18, -28.68], [19.03, -29.03], [18.5, -29.25], [18.25, -29.15], [18.0, -29.25], [17.47, -29.03], [17.25, -28.5], [17.35, -28.25], [17.32, -28.18], [17.25, -28.15], [17.0, -28.25], [16.75, -28.15], [16.5, -28.25], [15.97, -28.03], [15.82, -27.68], [15.47, -27.53], [15.25, -27.0], [15.46, -26.5], [15.25, -26.0], [15.35, -25.75], [15.25, -25.5], [15.35, -25.25]]]]}, "2013-03-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.35, -25.25], [15.25, -25.0], [15.35, -24.75], [15.25, -24.5], [15.47, -23.97], [16.0, -23.75], [16.25, -23.85], [16.5, -23.75], [17.03, -23.97], [17.25, -24.5], [17.15, -24.75], [17.18, -24.82], [17.25, -24.85], [17.32, -24.82], [17.47, -24.47], [18.0, -24.25], [18.53, -24.47], [18.75, -25.0], [18.65, -25.25], [18.75, -25.5], [18.63, -25.8], [19.03, -25.97], [19.25, -26.5], [19.15, -26.75], [19.18, -26.82], [19.53, -26.97], [19.75, -27.5], [19.65, -27.75], [19.75, -28.0], [19.53, -28.53], [19.18, -28.68], [19.03, -29.03], [18.5, 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{"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6816171577010954, 4.6058090127971845, 4.746993867187655, 4.1098087467400815]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.286848696812115, 6.730082282012063, 7.043241158853732, 5.006121036083812]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4663741556585816, 1.7039483537468811, 1.73982459079769, 1.5118569059870817]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7304601509529058, 2.3921589372110086, 2.1337878997701574, 1.6674153647855667]}}