{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:13:01.424347", "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": "2018-Jun-03_to_2018-Jun-07_10.0_5.0"}, "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": 2018060001648}, "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": "June 03 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 07 2018"}, "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": 120387.3308843117}, "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": ["Cameroon", "Equatorial Guinea", "Gabon"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa", "Western-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": 5.0}, "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": 10.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "10.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 12.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -0.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 5.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-06-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.0, 5.75], [10.53, 5.53], [10.75, 5.0], [10.53, 4.47], [10.0, 4.25], [9.47, 4.47], [9.25, 5.0], [9.47, 5.53], [10.0, 5.75]]]]}, "2018-06-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.5, 6.25], [10.75, 6.15], [11.0, 6.25], [11.53, 6.03], [11.75, 5.5], [11.53, 4.97], [11.0, 4.75], [10.75, 4.85], [10.68, 4.82], [10.53, 4.47], [10.0, 4.25], [9.47, 4.47], [9.25, 5.0], [9.47, 5.53], [9.82, 5.68], [9.97, 6.03], [10.5, 6.25]]]]}, "2018-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.35, 2.75], [9.25, 3.0], [9.46, 3.5], [9.25, 4.0], [9.46, 4.5], [9.25, 5.0], [9.47, 5.53], [9.82, 5.68], [9.97, 6.03], [10.5, 6.25], [10.75, 6.15], [11.0, 6.25], [11.53, 6.03], [11.75, 5.5], [11.63, 5.2], [11.75, 5.15], [12.0, 5.25], [12.53, 5.03], [12.75, 4.5], [12.53, 3.97], [12.18, 3.82], [12.15, 3.75], [12.25, 3.5], [12.15, 3.25], [12.25, 3.0], [12.07, 2.57], [12.5, 2.75], [13.03, 2.53], [13.25, 2.0], [13.15, 1.75], [13.25, 1.5], [13.03, 0.97], [12.68, 0.82], [12.65, 0.75], [12.75, 0.5], [12.65, 0.25], [12.68, 0.18], [13.03, 0.03], [13.25, -0.5], [13.03, -1.03], [12.5, -1.25], [11.97, -1.03], [11.82, -0.68], [11.75, -0.65], [11.68, -0.68], [11.53, -1.03], [11.0, -1.25], [10.47, -1.03], [10.25, -0.5], [10.35, -0.25], [10.32, -0.18], [9.97, -0.03], [9.75, 0.5], [9.97, 1.03], [10.5, 1.25], [10.25, 1.35], [10.0, 1.25], [9.47, 1.47], [9.25, 2.0], [9.35, 2.25], [9.25, 2.5], [9.35, 2.75]], [[10.75, 1.15], [10.82, 1.18], [10.88, 1.3], [10.75, 1.35], [10.5, 1.25], [10.75, 1.15]]]]}, "2018-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.35, 2.75], [9.25, 3.0], [9.46, 3.5], [9.25, 4.0], [9.46, 4.5], [9.25, 5.0], [9.47, 5.53], [9.82, 5.68], [9.97, 6.03], [10.5, 6.25], [10.75, 6.15], [11.0, 6.25], [11.53, 6.03], [11.75, 5.5], [11.63, 5.2], [11.75, 5.15], [12.0, 5.25], [12.53, 5.03], [12.75, 4.5], [12.53, 3.97], [12.18, 3.82], [12.15, 3.75], [12.25, 3.5], [12.15, 3.25], [12.25, 3.0], [12.07, 2.57], [12.5, 2.75], [13.03, 2.53], [13.25, 2.0], [13.15, 1.75], [13.25, 1.5], [13.03, 0.97], 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22.958284293354495, 25.494541028870287, 25.650897301739008, 25.539372028935418]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.082851582449393, 24.061735740387178, 27.382346050398723, 27.2583930511085, 27.118895848933676]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.416601319239419, 1.1843439167961567, 1.4363780610481462, 1.6148684919538885, 1.3269199612784175]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.416601319239419, 1.4322913288943369, 1.9088559977735144, 1.9136776133407238, 1.7240123217240466]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.0086792964292393, 1.6162837254233227, 1.8673725128781673, 2.044556988680271, 1.6411355302162542]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0086792964292393, 1.937532220695509, 2.4397411359204497, 2.409925669987804, 2.074200089809751]}}