{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:19.242550", "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": "2016-Sep-18_to_2016-Sep-23_14.5_-14.0"}, "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": 2016090002061}, "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 18 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 23 2016"}, "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": 59901.179302894045}, "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": ["Angola"]}, "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": -14.0}, "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": 14.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "14.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -15.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -12.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.97, -12.97], [14.5, -12.75], [14.75, -12.85], [15.0, -12.75], [15.53, -12.97], [15.75, -13.5], [15.65, -13.75], [15.75, -14.0], [15.53, -14.53], [15.0, -14.75], [14.75, -14.65], [14.5, -14.75], [13.97, -14.53], [13.75, -14.0], [13.85, -13.75], [13.75, -13.5], [13.97, -12.97]]]]}, "2016-09-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.75, -13.5], [13.97, -12.97], [14.5, -12.75], [14.75, -12.85], [15.0, -12.75], [15.25, -12.85], [15.5, -12.75], [16.03, -12.97], [16.25, -13.5], [16.15, -13.75], [16.25, -14.0], [16.15, -14.25], [16.25, -14.5], [16.03, -15.03], [15.5, -15.25], [15.25, -15.15], [15.0, -15.25], [14.75, -15.15], [14.5, -15.25], [14.25, -15.15], [14.0, -15.25], [13.47, -15.03], [13.25, -14.5], [13.47, -13.97], [13.82, -13.82], [13.85, -13.75], [13.75, -13.5]]]]}, "2016-09-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.75, -13.5], [13.97, -12.97], [14.5, -12.75], [14.75, -12.85], [14.82, -12.82], [14.97, -12.47], [15.5, -12.25], [15.75, -12.35], [16.0, -12.25], [16.53, -12.47], [16.75, -13.0], [16.54, -13.5], [16.75, -14.0], [16.65, -14.25], [16.75, -14.5], [16.53, -15.03], [16.18, -15.18], [16.03, -15.53], [15.5, -15.75], [14.97, -15.53], [14.82, -15.18], [14.75, -15.15], [14.5, -15.25], [14.25, -15.15], [14.0, -15.25], [13.47, -15.03], [13.25, -14.5], [13.47, -13.97], [13.82, -13.82], [13.85, -13.75], [13.75, -13.5]]]]}, "2016-09-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -13.97], [13.82, -13.82], [13.97, -13.47], [14.32, -13.32], [14.47, -12.97], [14.82, -12.82], [14.97, -12.47], [15.5, -12.25], [15.75, -12.35], [16.0, -12.25], [16.53, -12.47], [16.75, -13.0], [16.54, -13.5], [16.75, -14.0], [16.65, -14.25], [16.75, -14.5], [16.53, -15.03], [16.18, -15.18], [16.15, -15.25], [16.25, -15.5], [16.03, -16.03], [15.5, -16.25], [15.25, -16.15], [15.0, -16.25], [14.47, -16.03], [14.32, -15.68], [14.25, -15.65], [14.0, -15.75], [13.47, -15.53], [13.25, -15.0], [13.35, -14.75], [13.25, -14.5], [13.47, -13.97]]]]}, "2016-09-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -13.97], [13.82, -13.82], [13.97, -13.47], [14.32, -13.32], [14.47, -12.97], [14.82, -12.82], [14.97, -12.47], [15.5, -12.25], [15.75, -12.35], [16.0, -12.25], [16.53, -12.47], [16.75, -13.0], [16.54, -13.5], [16.75, -14.0], [16.65, -14.25], [16.75, -14.5], [16.53, -15.03], [16.18, -15.18], [16.15, -15.25], [16.25, -15.5], [16.03, -16.03], [15.5, -16.25], [15.25, -16.15], [15.0, -16.25], [14.47, -16.03], [14.32, -15.68], [14.25, -15.65], [14.0, -15.75], [13.47, -15.53], [13.25, -15.0], [13.35, -14.75], [13.25, -14.5], [13.47, -13.97]]]]}, "2016-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, -13.97], [13.82, -13.82], [13.97, -13.47], [14.5, -13.25], [15.03, -13.47], [15.18, -13.82], [15.25, -13.85], [15.32, -13.82], [15.47, -13.47], [16.0, -13.25], [16.53, -13.47], [16.75, -14.0], [16.53, -14.53], [16.18, -14.68], [16.15, -14.75], [16.25, -15.0], [16.15, -15.25], [16.25, -15.5], [16.03, -16.03], [15.5, -16.25], [15.25, -16.15], [15.0, -16.25], [14.47, -16.03], [14.32, -15.68], [14.25, -15.65], [14.0, -15.75], [13.47, -15.53], [13.25, -15.0], [13.35, -14.75], [13.25, -14.5], [13.47, -13.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.757429526482156}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.297201699986315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.60321069733004, 25.01843645884776, 24.990566668975305, 26.237984018155203, 26.36408233039117, 26.301182037288356]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.9807096696847, 27.300273419842426, 27.612161553065278, 29.124485428999435, 29.099884627047402, 29.18669627054601]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.7058077288789377, 2.1340795408069937, 1.9674583439039415, 2.585889807787432, 2.679587526480158, 1.979913622140823]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.076446413317683, 2.951064940817787, 2.5964581052112976, 3.4193691986676527, 3.757429526482156, 2.8101720586353167]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6016162432708452, 1.8190071782614943, 1.5629770531197444, 1.939747726449933, 2.0406198492056062, 1.4860566092793812]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9186380616826357, 2.3782000560611856, 2.249912383928236, 2.5323210996005345, 2.8392968742103193, 1.8449942322004573]}}