{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:15.497424", "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-03_to_2016-Sep-05_16.0_8.0"}, "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": 2016090001123}, "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 03 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 05 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 131241.4347462511}, "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", "Central African Republic", "Chad", "Nigeria"]}, "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": 8.0}, "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": 16.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 7.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 11.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.35, 10.75], [11.25, 11.0], [11.47, 11.53], [12.0, 11.75], [12.5, 11.54], [13.0, 11.75], [13.53, 11.53], [13.68, 11.18], [14.0, 11.04], [14.5, 11.25], [15.03, 11.03], [15.25, 10.5], [15.15, 10.25], [15.18, 10.18], [15.53, 10.03], [15.68, 9.68], [16.03, 9.53], [16.18, 9.18], [16.53, 9.03], [16.68, 8.68], [17.03, 8.53], [17.25, 8.0], [17.15, 7.75], [17.25, 7.5], [17.03, 6.97], [16.5, 6.75], [16.25, 6.85], [16.0, 6.75], [15.47, 6.97], [15.32, 7.32], [15.25, 7.35], [15.0, 7.25], [14.75, 7.35], [14.68, 7.32], [14.53, 6.97], [14.0, 6.75], [13.75, 6.85], [13.5, 6.75], [12.97, 6.97], [12.82, 7.32], [12.5, 7.46], [12.0, 7.25], [11.47, 7.47], [11.25, 8.0], [11.47, 8.53], [11.82, 8.68], [11.96, 9.0], [11.82, 9.32], [11.47, 9.47], [11.25, 10.0], [11.35, 10.25], [11.25, 10.5], [11.35, 10.75]]]]}, "2016-09-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.35, 10.75], [11.25, 11.0], [11.47, 11.53], [12.0, 11.75], [12.5, 11.54], [13.0, 11.75], [13.53, 11.53], [13.68, 11.18], [14.0, 11.04], [14.5, 11.25], [15.03, 11.03], [15.25, 10.5], [15.15, 10.25], [15.18, 10.18], [15.53, 10.03], [15.68, 9.68], [16.03, 9.53], [16.18, 9.18], [16.53, 9.03], [16.68, 8.68], [17.03, 8.53], [17.25, 8.0], [17.15, 7.75], [17.25, 7.5], [17.03, 6.97], [16.5, 6.75], [16.25, 6.85], [16.0, 6.75], [15.47, 6.97], [15.32, 7.32], [15.25, 7.35], [15.0, 7.25], [14.75, 7.35], [14.68, 7.32], [14.53, 6.97], [14.0, 6.75], [13.75, 6.85], [13.5, 6.75], [12.97, 6.97], [12.82, 7.32], [12.5, 7.46], [12.0, 7.25], [11.47, 7.47], [11.25, 8.0], [11.47, 8.53], [11.82, 8.68], [11.96, 9.0], [11.82, 9.32], [11.47, 9.47], [11.25, 10.0], [11.35, 10.25], [11.25, 10.5], [11.35, 10.75]]]]}, "2016-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.35, 10.75], [11.25, 11.0], [11.47, 11.53], [12.0, 11.75], [12.5, 11.54], [13.0, 11.75], [13.53, 11.53], [13.68, 11.18], [14.0, 11.04], [14.5, 11.25], [15.03, 11.03], [15.25, 10.5], [15.15, 10.25], [15.18, 10.18], [15.53, 10.03], [15.68, 9.68], [16.03, 9.53], [16.18, 9.18], [16.53, 9.03], [16.68, 8.68], [17.03, 8.53], [17.25, 8.0], [17.15, 7.75], [17.25, 7.5], [17.03, 6.97], [16.5, 6.75], [16.25, 6.85], [16.0, 6.75], [15.47, 6.97], [15.32, 7.32], [15.25, 7.35], [15.0, 7.25], [14.75, 7.35], [14.68, 7.32], [14.53, 6.97], [14.0, 6.75], [13.75, 6.85], [13.5, 6.75], [12.97, 6.97], [12.82, 7.32], [12.5, 7.46], [12.0, 7.25], [11.47, 7.47], [11.25, 8.0], [11.47, 8.53], [11.82, 8.68], [11.96, 9.0], [11.82, 9.32], [11.47, 9.47], [11.25, 10.0], [11.35, 10.25], [11.25, 10.5], [11.35, 10.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.6831030414917336}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6582618857587772}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.15080991817996, 26.386298840358165, 26.557375745568834]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.90703760629401, 28.247029028526413, 28.2193427022616]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.4703300471455514, 1.7139561462752875, 1.7904994638554927]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7178815280778394, 2.6831030414917336, 2.365623025564787]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6174829791821652, 1.9023115178340673, 1.9590480127154237]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9497847436375115, 3.1097318416643764, 2.4781315882309416]}}