{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:44.791696", "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-May-04_to_2010-May-08_28.0_-9.5"}, "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": 2010050001386}, "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": "May 04 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 08 2010"}, "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": 63940.796671724136}, "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": ["Congo DRC", "Zambia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "S.Eastern-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": -9.5}, "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": 28.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "28.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 30.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -11.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -8.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.35, -9.75], [27.25, -9.5], [27.47, -8.97], [27.82, -8.82], [27.97, -8.47], [28.5, -8.25], [29.0, -8.46], [29.5, -8.25], [30.03, -8.47], [30.25, -9.0], [30.15, -9.25], [30.25, -9.5], [30.03, -10.03], [29.5, -10.25], [29.0, -10.04], [28.68, -10.18], [28.65, -10.25], [28.75, -10.5], [28.53, -11.03], [28.0, -11.25], [27.47, -11.03], [27.25, -10.5], [27.35, -10.25], [27.25, -10.0], [27.35, -9.75]]]]}, "2010-05-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[27.32, -8.82], [27.47, -8.47], [28.0, -8.25], [28.25, -8.35], [28.5, -8.25], [29.0, -8.46], [29.5, -8.25], [30.03, -8.47], [30.25, -9.0], [30.15, -9.25], [30.18, -9.32], [30.25, -9.35], [30.5, -9.25], [31.03, -9.47], [31.25, -10.0], [31.15, -10.25], [31.25, -10.5], [31.03, -11.03], [30.68, -11.18], [30.53, -11.53], [30.0, -11.75], [29.47, -11.53], [29.32, -11.18], [28.97, -11.03], [28.75, -10.5], [28.53, -11.03], [28.18, -11.18], [28.03, -11.53], [27.5, -11.75], [26.97, -11.53], [26.75, -11.0], [26.88, -10.7], [26.47, -10.53], [26.25, -10.0], [26.47, -9.47], [26.82, -9.32], [26.97, -8.97], [27.32, -8.82]], [[28.85, -10.25], [28.8, -10.12], [28.68, -10.18], [28.65, -10.25], [28.75, -10.5], [28.85, -10.25]]]]}, "2010-05-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, -9.47], [26.82, -9.32], [26.97, -8.97], [27.32, -8.82], [27.47, -8.47], [28.0, -8.25], [28.25, -8.35], [28.32, -8.32], [28.47, -7.97], [29.0, -7.75], [29.53, -7.97], [29.68, -8.32], [30.03, -8.47], [30.25, -9.0], [30.15, -9.25], [30.18, -9.32], [30.25, -9.35], [30.5, -9.25], [31.03, -9.47], [31.25, -10.0], [31.15, -10.25], [31.25, -10.5], [31.03, -11.03], [30.68, -11.18], [30.53, -11.53], [30.0, -11.75], [29.47, -11.53], [29.32, -11.18], [28.97, -11.03], [28.75, -10.5], [28.53, -11.03], [28.18, -11.18], [28.03, -11.53], [27.5, -11.75], [26.97, -11.53], [26.82, -11.18], [26.47, -11.03], [26.25, -10.5], [26.35, -10.25], [26.25, -10.0], [26.47, -9.47]], [[28.85, -10.25], [28.8, -10.12], [28.68, -10.18], [28.65, -10.25], [28.75, -10.5], [28.85, -10.25]]]]}, "2010-05-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, -9.47], [26.82, -9.32], [26.97, -8.97], [27.32, -8.82], [27.47, -8.47], [28.0, -8.25], [28.25, -8.35], [28.32, -8.32], [28.47, -7.97], [29.0, -7.75], [29.53, -7.97], [29.75, -8.5], [29.63, -8.8], [30.03, -8.97], [30.18, -9.32], [30.25, -9.35], [30.5, -9.25], [31.03, -9.47], [31.25, -10.0], [31.15, -10.25], [31.25, -10.5], [31.03, -11.03], [30.68, -11.18], [30.53, -11.53], [30.0, -11.75], [29.47, -11.53], [29.32, -11.18], [28.97, -11.03], [28.75, -10.5], [28.53, -11.03], [28.18, -11.18], [28.03, -11.53], [27.5, -11.75], [26.97, -11.53], [26.82, -11.18], [26.47, -11.03], [26.25, -10.5], [26.35, -10.25], [26.25, -10.0], [26.47, -9.47]], [[28.85, -10.25], [28.8, -10.12], [28.68, -10.18], [28.65, -10.25], [28.75, -10.5], [28.85, -10.25]]]]}, "2010-05-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, -9.47], [26.82, -9.32], [26.97, -8.97], [27.32, -8.82], [27.47, -8.47], [28.0, 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[25.158788530461607, 25.933838644615662, 25.91233693545388, 25.428095378162425, 25.853104257724567]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2409728666042708, 1.6087993236210274, 1.622381256071446, 1.4883035965983509, 1.6232227093254168]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.5848830457094323, 2.192903116881496, 2.1160390803618156, 1.8990130250423363, 1.9039091647817372]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3226037250311347, 1.558789315884378, 1.5220151762271275, 1.3349471835718678, 1.4296511561982217]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4429957654080934, 2.1827674016767458, 1.9014470201058262, 1.6561740920883898, 1.6204819816370597]}}