{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:08.684070", "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-Aug-16_to_2016-Aug-19_22.5_-27.0"}, "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": 2016080002171}, "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": "August 16 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 19 2016"}, "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": 91519.834197224}, "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": ["Botswana", "Namibia", "South Africa"]}, "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": -27.0}, "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": 22.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "22.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 18.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -23.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.75, -24.5], [17.97, -23.97], [18.32, -23.82], [18.47, -23.47], [19.0, -23.25], [19.53, -23.47], [19.68, -23.82], [20.03, -23.97], [20.18, -24.32], [20.25, -24.35], [20.5, -24.25], [21.03, -24.47], [21.18, -24.82], [21.53, -24.97], [21.68, -25.32], [22.03, -25.47], [22.18, -25.82], [22.53, -25.97], [22.68, -26.32], [23.03, -26.47], [23.18, -26.82], [23.53, -26.97], [23.75, -27.5], [23.65, -27.75], [23.75, -28.0], [23.53, -28.53], [23.0, -28.75], [22.7, -28.62], [22.53, -29.03], [22.0, -29.25], [21.47, -29.03], [21.32, -28.68], [21.25, -28.65], [21.0, -28.75], [20.47, -28.53], [20.25, -28.0], [20.35, -27.75], [20.25, -27.5], [20.35, -27.25], [20.32, -27.18], [20.25, -27.15], [20.0, -27.25], [19.75, -27.15], [19.5, -27.25], [18.97, -27.03], [18.82, -26.68], [18.47, -26.53], [18.25, -26.0], [18.35, -25.75], [18.25, -25.5], [18.35, -25.25], [18.32, -25.18], [17.97, -25.03], [17.75, -24.5]]]]}, "2016-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[17.75, -24.5], [17.97, -23.97], [18.32, -23.82], [18.47, -23.47], [19.0, 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-27.0], [21.97, -26.47], [22.5, -26.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.84956482555566}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.33976526188731}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.621301096558454, 22.360877371115976, 21.11560074965132, 19.785601792910825]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.66435941828962, 23.68045769144294, 22.384181126459282, 19.785601792910825]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.826976803298624, 7.297906339277695, 5.934605616258526, 5.0133971471809105]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.541893936186398, 8.84956482555566, 7.416173844721129, 5.0133971471809105]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4914086534148918, 1.7891063914466978, 1.4575162727452027, 1.3544307796411172]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6759014544300757, 2.112653094382898, 1.7383105090124233, 1.3544307796411172]}}