{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:36.070488", "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-Nov-17_to_2018-Nov-21_19.5_-4.0"}, "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": 2018110002166}, "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": "November 17 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 21 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": 83331.91235525435}, "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", "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": -4.0}, "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": 19.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "19.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -4.75}, "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": {"2018-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.0, -2.25], [16.53, -2.47], [16.75, -3.0], [16.53, -3.53], [16.0, -3.75], [15.47, -3.53], [15.25, -3.0], [15.47, -2.47], [16.0, -2.25]]]]}, "2018-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.0, -2.25], [16.53, -2.47], [16.75, -3.0], [16.53, -3.53], [16.0, -3.75], [15.47, -3.53], [15.25, -3.0], [15.47, -2.47], [16.0, -2.25]]]]}, "2018-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.75, -2.5], [14.97, -1.97], [15.32, -1.82], [15.35, -1.75], [15.25, -1.5], [15.47, -0.97], [16.0, -0.75], [16.25, -0.85], [16.32, -0.82], [16.35, -0.75], [16.25, -0.5], [16.47, 0.03], [17.0, 0.25], [17.53, 0.03], [17.75, -0.5], [17.65, -0.75], [17.75, -1.0], [17.65, -1.25], [17.75, -1.5], [17.53, -2.03], [17.18, -2.18], [17.13, -2.3], [17.25, -2.35], [17.5, -2.25], [18.03, -2.47], [18.18, -2.82], [18.25, -2.85], [18.5, -2.75], [19.03, -2.97], [19.18, -3.32], [19.25, -3.35], [19.5, -3.25], [19.75, -3.35], [20.0, -3.25], [20.25, -3.35], [20.32, -3.32], [20.47, -2.97], [20.82, -2.82], [20.97, -2.47], [21.5, -2.25], [22.03, -2.47], [22.25, -3.0], [22.15, -3.25], [22.25, -3.5], [22.15, -3.75], [22.25, -4.0], [22.03, -4.53], [21.5, -4.75], [21.25, -4.65], [21.0, -4.75], [20.75, -4.65], [20.5, -4.75], [20.25, -4.65], [20.18, -4.68], [20.03, -5.03], [19.5, -5.25], [18.97, -5.03], [18.82, -4.68], [18.75, -4.65], [18.5, -4.75], [17.97, -4.53], [17.82, -4.18], [17.5, -4.04], [17.0, -4.25], [16.75, -4.15], [16.5, -4.25], [15.97, -4.03], [15.82, -3.68], [15.47, -3.53], [15.32, -3.18], [14.97, -3.03], [14.75, -2.5]]]]}, "2018-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.25, -1.5], [15.47, -0.97], [16.0, -0.75], [16.25, -0.85], [16.32, -0.82], [16.35, -0.75], [16.25, -0.5], [16.47, 0.03], [17.0, 0.25], [17.53, 0.03], [17.75, -0.5], [17.65, -0.75], [17.75, -1.0], [17.65, -1.25], [17.75, -1.5], [17.53, -2.03], [17.18, -2.18], [17.13, -2.3], [17.25, -2.35], [17.5, -2.25], [18.03, -2.47], [18.18, -2.82], [18.25, -2.85], [18.5, -2.75], [19.03, -2.97], [19.18, -3.32], [19.25, -3.35], 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"description": "Maximum t2m anomaly recorded over entire duration", "value": 2.2149133814182846}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.6114788071018493}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [25.62242793494255, 25.726005891588272, 26.80288160593534, 26.472496658236366, 26.541832287641455]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.62242793494255, 25.726005891588272, 27.638967397124645, 27.406422810150048, 27.929664447471225]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2370942462358698, 1.2943846623663262, 1.8194801074775666, 1.4815714167405163, 1.5519801819038412]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.2370942462358698, 1.2943846623663262, 2.2149133814182846, 2.0830532534194504, 2.1778344044330424]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.358981029209413, 1.4477019072616286, 1.969881256450295, 1.5469283482413299, 1.6872193077969688]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.358981029209413, 1.4477019072616286, 2.3142805825061408, 2.139781935403778, 2.3389727075256257]}}