{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:04.199002", "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": "2012-Dec-05_to_2012-Dec-10_33.5_16.5"}, "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": 2012120001600}, "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": "December 05 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 10 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 62163.46119670587}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "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": 16.5}, "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": 33.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "33.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 32.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 14.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 18.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.35, 17.25], [32.25, 17.5], [32.47, 18.03], [33.0, 18.25], [33.25, 18.15], [33.5, 18.25], [33.75, 18.15], [34.0, 18.25], [34.53, 18.03], [34.75, 17.5], [34.65, 17.25], [34.75, 17.0], [34.53, 16.47], [34.18, 16.32], [34.15, 16.25], [34.18, 16.18], [34.53, 16.03], [34.75, 15.5], [34.53, 14.97], [34.0, 14.75], [33.47, 14.97], [33.32, 15.32], [32.97, 15.47], [32.82, 15.82], [32.47, 15.97], [32.25, 16.5], [32.35, 16.75], [32.25, 17.0], [32.35, 17.25]]]]}, "2012-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.85, 16.75], [31.75, 17.0], [31.96, 17.5], [31.75, 18.0], [31.97, 18.53], [32.5, 18.75], [32.75, 18.65], [33.0, 18.75], [33.25, 18.65], [33.5, 18.75], [34.03, 18.53], [34.18, 18.18], [34.53, 18.03], [34.75, 17.5], [34.65, 17.25], [34.68, 17.18], [35.03, 17.03], [35.25, 16.5], [35.03, 15.97], [34.68, 15.82], [34.65, 15.75], [34.75, 15.5], [34.65, 15.25], [34.75, 15.0], [34.53, 14.47], [34.0, 14.25], [33.47, 14.47], [33.32, 14.82], [32.97, 14.97], [32.8, 15.38], [32.5, 15.25], [31.97, 15.47], [31.75, 16.0], [31.85, 16.25], [31.75, 16.5], [31.85, 16.75]]]]}, "2012-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.85, 16.75], [31.75, 17.0], [31.96, 17.5], [31.75, 18.0], [31.97, 18.53], [32.5, 18.75], [32.75, 18.65], [33.0, 18.75], [33.25, 18.65], [33.5, 18.75], [34.03, 18.53], [34.18, 18.18], [34.53, 18.03], [34.75, 17.5], [34.65, 17.25], [34.68, 17.18], [35.03, 17.03], [35.25, 16.5], [35.03, 15.97], [34.68, 15.82], [34.65, 15.75], [34.75, 15.5], [34.65, 15.25], [34.75, 15.0], [34.53, 14.47], [34.0, 14.25], [33.47, 14.47], [33.32, 14.82], [32.97, 14.97], [32.8, 15.38], [32.5, 15.25], [31.97, 15.47], [31.75, 16.0], [31.85, 16.25], [31.75, 16.5], [31.85, 16.75]]]]}, "2012-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.85, 16.75], [31.75, 17.0], [31.96, 17.5], [31.75, 18.0], [31.97, 18.53], [32.5, 18.75], [32.75, 18.65], [33.0, 18.75], [33.25, 18.65], [33.5, 18.75], [34.03, 18.53], [34.25, 18.0], [34.15, 17.75], [34.18, 17.68], [34.53, 17.53], [34.68, 17.18], [35.03, 17.03], [35.25, 16.5], [35.03, 15.97], [34.68, 15.82], [34.65, 15.75], [34.75, 15.5], [34.65, 15.25], [34.75, 15.0], [34.53, 14.47], [34.0, 14.25], [33.47, 14.47], [33.32, 14.82], [32.97, 14.97], [32.8, 15.38], [32.5, 15.25], [31.97, 15.47], [31.75, 16.0], [31.85, 16.25], [31.75, 16.5], [31.85, 16.75]]]]}, "2012-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, 15.97], [32.25, 16.5], [32.47, 17.03], [33.0, 17.25], [33.25, 17.15], [33.5, 17.25], [34.03, 17.03], [34.25, 16.5], [34.03, 15.97], [33.5, 15.75], [33.25, 15.85], [33.0, 15.75], [32.47, 15.97]]]]}, "2012-12-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[32.47, 15.97], [32.25, 16.5], [32.47, 17.03], [33.0, 17.25], [33.25, 17.15], [33.5, 17.25], [34.03, 17.03], [34.25, 16.5], [34.03, 15.97], [33.5, 15.75], [33.25, 15.85], [33.0, 15.75], [32.47, 15.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.0084525533322335}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.1632251731437973}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.563551828258824, 27.631396049734576, 28.108273183943425, 27.623763387706845, 26.792771218074108, 27.359749722928655]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.66575971821709, 29.601537954036814, 30.006208252641102, 29.32882384291105, 26.89661074834777, 27.47864301625242]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7702368823996664, 2.9482052029568586, 3.556287562420845, 3.203394639979055, 2.64710119281591, 3.3731505383936167]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.026186755133949, 4.030702645202325, 5.0084525533322335, 4.173856898892836, 2.7268101790963897, 3.4364189649522245]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1366102420857116, 1.1562295509975122, 1.3954695067835292, 1.2489115634728556, 1.0545989837455996, 1.3319743526963677]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2089239381107444, 1.2782454099464684, 1.6004039663611775, 1.3835185544874073, 1.0682804531853127, 1.3333724113877876]}}