{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:47.651821", "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": "2019-May-17_to_2019-May-20_14.5_-6.5"}, "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": 2019050002152}, "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 17 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 20 2019"}, "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": 70652.87799617978}, "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", "Congo", "Congo DRC"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-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": -6.5}, "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": 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": 11.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -8.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -3.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2019-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.88, -6.8], [13.75, -6.5], [13.97, -5.97], [14.5, -5.75], [15.03, -5.97], [15.25, -6.5], [15.03, -7.03], [14.63, -7.2], [14.68, -7.32], [15.03, -7.47], [15.18, -7.82], [15.53, -7.97], [15.75, -8.5], [15.53, -9.03], [15.0, -9.25], [14.47, -9.03], [14.32, -8.68], [14.25, -8.65], [14.0, -8.75], [13.47, -8.53], [13.25, -8.0], [13.35, -7.75], [13.25, -7.5], [13.47, -6.97], [13.88, -6.8]]], [[[12.5, -4.25], [13.03, -4.47], [13.25, -5.0], [13.15, -5.25], [13.25, -5.5], [13.03, -6.03], [12.5, -6.25], [11.97, -6.03], [11.75, -5.5], [11.85, -5.25], [11.75, -5.0], [11.97, -4.47], [12.5, -4.25]]]]}, "2019-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.75, -4.0], [10.97, -3.47], [11.5, -3.25], [12.03, -3.47], [12.18, -3.82], [12.25, -3.85], [12.5, -3.75], [13.03, -3.97], [13.18, -4.32], [13.53, -4.47], [13.75, -5.0], [13.65, -5.25], [13.75, -5.5], [13.65, -5.75], [13.68, -5.82], [13.75, -5.85], [13.82, -5.82], [13.97, -5.47], [14.5, -5.25], [14.75, -5.35], [15.0, -5.25], [15.53, -5.47], [15.75, -6.0], [15.53, -6.53], [15.18, -6.68], [15.15, -6.75], [15.25, -7.0], [15.15, -7.25], [15.25, -7.5], [15.15, -7.75], [15.18, -7.82], [15.53, -7.97], [15.75, -8.5], [15.53, -9.03], [15.0, -9.25], [14.47, -9.03], [14.32, -8.68], [14.25, -8.65], [14.0, -8.75], [13.47, -8.53], [13.25, -8.0], [13.35, -7.75], [13.32, -7.68], [12.97, -7.53], [12.82, -7.18], [12.47, -7.03], [12.32, -6.68], [11.97, -6.53], [11.75, -6.0], [11.85, -5.75], [11.75, -5.5], [11.85, -5.25], [11.82, -5.18], [11.47, -5.03], [11.32, -4.68], [10.97, -4.53], [10.75, -4.0]]]]}, "2019-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.75, -4.0], [10.97, -3.47], [11.5, -3.25], [12.03, -3.47], [12.18, -3.82], [12.25, -3.85], [12.5, -3.75], [13.03, -3.97], [13.18, -4.32], [13.53, -4.47], [13.75, -5.0], [13.65, -5.25], [13.75, -5.5], [13.65, -5.75], [13.68, -5.82], [13.75, -5.85], [13.82, -5.82], [13.97, -5.47], [14.5, -5.25], [14.75, -5.35], [15.0, -5.25], [15.53, -5.47], [15.75, -6.0], [15.53, -6.53], [15.18, -6.68], [15.15, -6.75], 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27.150860701506247, 27.250024491210638, 27.66558731205845]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.1252789204509506, 1.1882487514099358, 1.2943710587472261, 1.6622417125273965]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2618497949929974, 1.3582895676698286, 1.555526783726009, 2.084548313859216]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2994671921814207, 1.3200576342132033, 1.3968946712552126, 1.796815383667879]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3876902102912727, 1.5073404646369708, 1.6682648346499327, 2.285796400658025]}}