{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:45:45.257825", "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-Sep-15_to_2010-Sep-18_10.5_-3.0"}, "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": 2010090002219}, "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 15 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 18 2010"}, "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": 74106.32643080573}, "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", "Gabon"]}, "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": ["South Atlantic Ocean"]}, "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": -3.0}, "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": 10.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "10.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 13.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 0.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-09-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.35, -1.75], [9.25, -1.5], [9.47, -0.97], [10.0, -0.75], [10.53, -0.97], [10.68, -1.32], [10.75, -1.35], [11.0, -1.25], [11.53, -1.47], [11.75, -2.0], [11.54, -2.5], [11.7, -2.87], [12.0, -2.75], [12.25, -2.85], [12.5, -2.75], [12.75, -2.85], [13.0, -2.75], [13.53, -2.97], [13.75, -3.5], [13.53, -4.03], [13.0, -4.25], [12.75, -4.15], [12.68, -4.18], [12.53, -4.53], [12.0, -4.75], [11.75, -4.65], [11.5, -4.75], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.32, -3.68], [9.97, -3.53], [9.82, -3.18], [9.47, -3.03], [9.25, -2.5], [9.35, -2.25], [9.25, -2.0], [9.35, -1.75]]]]}, "2010-09-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.85, -0.75], [8.75, -0.5], [8.97, 0.03], [9.32, 0.18], [9.47, 0.53], [10.0, 0.75], [10.25, 0.65], [10.5, 0.75], [11.03, 0.53], [11.25, 0.0], [11.03, -0.53], [10.5, -0.75], [10.25, -0.65], [10.18, -0.68], [10.15, -0.75], [10.18, -0.82], [10.5, -0.96], [11.0, -0.75], [11.53, -0.97], [11.75, -1.5], [11.65, -1.75], [11.68, -1.82], [12.03, -1.97], [12.25, -2.5], [12.13, -2.8], [12.25, -2.85], [12.32, -2.82], [12.47, -2.47], [13.0, -2.25], [13.53, -2.47], [13.75, -3.0], [13.65, -3.25], [13.75, -3.5], [13.53, -4.03], [13.18, -4.18], [13.03, -4.53], [12.5, -4.75], [12.25, -4.65], [12.0, -4.75], [11.75, -4.65], [11.5, -4.75], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.32, -3.68], [9.97, -3.53], [9.82, -3.18], [9.47, -3.03], [9.25, -2.5], [9.35, -2.25], [9.32, -2.18], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.85, -0.75]]]]}, "2010-09-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[8.85, -0.75], [8.75, -0.5], [8.97, 0.03], [9.32, 0.18], [9.47, 0.53], [10.0, 0.75], [10.25, 0.65], [10.5, 0.75], [11.03, 0.53], [11.25, 0.0], [11.03, -0.53], [10.5, -0.75], [10.25, -0.65], [10.18, -0.68], [10.15, -0.75], [10.18, -0.82], [10.5, -0.96], [11.0, -0.75], [11.53, -0.97], [11.75, -1.5], [11.65, -1.75], [11.68, -1.82], [12.03, -1.97], [12.25, -2.5], [12.13, -2.8], [12.25, -2.85], [12.32, -2.82], [12.47, -2.47], [13.0, -2.25], [13.53, -2.47], [13.75, 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-4.18], [13.03, -4.53], [12.5, -4.75], [12.25, -4.65], [12.0, -4.75], [11.75, -4.65], [11.5, -4.75], [10.97, -4.53], [10.82, -4.18], [10.47, -4.03], [10.32, -3.68], [9.97, -3.53], [9.82, -3.18], [9.47, -3.03], [9.25, -2.5], [9.35, -2.25], [9.32, -2.18], [8.97, -2.03], [8.75, -1.5], [8.85, -1.25], [8.75, -1.0], [8.85, -0.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.6257513587626136}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.105120013385746}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.166963455244286, 25.513544733008075, 25.486497422554635, 25.489474150159083]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.209530692538408, 26.46693289886315, 26.445909225235425, 26.591027691511556]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.041940467472557, 1.167110870453283, 1.1135096297488285, 1.0701366342748662]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2246073758251441, 1.6257513587626136, 1.3888062930961382, 1.6151630137862867]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4823510428161875, 1.697024420394001, 1.6649875367218618, 1.5508572773445473]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8997591246988028, 2.081105130962097, 2.1558870792494655, 1.968362176729805]}}