{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:10.712508", "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": "2017-Oct-03_to_2017-Oct-05_19.0_-15.0"}, "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": 2017100001266}, "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": "October 03 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 05 2017"}, "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": 62821.6761725841}, "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": -15.0}, "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": 19.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "19.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 16.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 19.75}, "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": -13.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.0, -13.75], [17.25, -13.85], [17.32, -13.82], [17.47, -13.47], [17.82, -13.32], [17.97, -12.97], [18.5, -12.75], [19.0, -12.96], [19.5, -12.75], [20.03, -12.97], [20.25, -13.5], [20.15, -13.75], [20.25, -14.0], [20.15, -14.25], [20.25, -14.5], [20.15, -14.75], [20.25, -15.0], [20.03, -15.53], [19.68, -15.68], [19.53, -16.03], [19.0, -16.25], [18.75, -16.15], [18.5, -16.25], [17.97, -16.03], [17.82, -15.68], [17.75, -15.65], [17.5, -15.75], [17.25, -15.65], [17.0, -15.75], [16.75, -15.65], [16.5, -15.75], [15.97, -15.53], [15.75, -15.0], [15.97, -14.47], [16.32, -14.32], [16.47, -13.97], [17.0, -13.75]]]]}, "2017-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.0, -13.75], [17.25, -13.85], [17.32, -13.82], [17.47, -13.47], [17.82, -13.32], [17.97, -12.97], [18.5, -12.75], [19.0, -12.96], [19.5, -12.75], [20.03, -12.97], [20.25, -13.5], [20.15, -13.75], [20.25, -14.0], [20.15, -14.25], [20.25, -14.5], [20.15, -14.75], [20.25, -15.0], [20.03, -15.53], [19.68, -15.68], [19.53, -16.03], [19.0, -16.25], [18.75, -16.15], [18.5, -16.25], [17.97, -16.03], [17.82, -15.68], [17.75, -15.65], [17.5, -15.75], [17.25, -15.65], [17.0, -15.75], [16.75, -15.65], [16.5, -15.75], [15.97, -15.53], [15.75, -15.0], [15.97, -14.47], [16.32, -14.32], [16.47, -13.97], [17.0, -13.75]]]]}, "2017-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.0, -13.75], [17.25, -13.85], [17.32, -13.82], [17.47, -13.47], [17.82, -13.32], [17.97, -12.97], [18.5, -12.75], [19.0, -12.96], [19.5, -12.75], [20.03, -12.97], [20.25, -13.5], [20.15, -13.75], [20.25, -14.0], [20.15, -14.25], [20.25, -14.5], [20.15, -14.75], [20.25, -15.0], [20.03, -15.53], [19.68, -15.68], [19.53, -16.03], [19.0, -16.25], [18.75, -16.15], [18.5, -16.25], [17.97, -16.03], [17.82, -15.68], [17.75, -15.65], [17.5, -15.75], [17.25, -15.65], [17.0, -15.75], [16.75, -15.65], [16.5, -15.75], [15.97, -15.53], [15.75, -15.0], [15.97, -14.47], [16.32, -14.32], [16.47, -13.97], [17.0, -13.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 3.5184934342353813}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.7042219712926148}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.65087022129677, 27.60810317515768, 27.375996893279194]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.986087012303415, 28.647053020573708, 28.739972924517986]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.919514486047988, 2.7898413893363077, 2.403310038493549]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.5184934342353813, 3.4164215754592533, 3.035730016613911]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5422874677859797, 1.4788546435053354, 1.2582124816303786]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8641550300188705, 1.737439979717828, 1.6517543612966958]}}