{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:53:47.536143", "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": "2024-Nov-17_to_2024-Nov-23_30.0_-23.5"}, "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": 2024110001723}, "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 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 56905.309522919626}, "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": ["Mozambique", "South Africa", "Zimbabwe"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": -23.5}, "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": 30.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 33.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, -24.03], [29.25, -23.5], [29.47, -22.97], [30.0, 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[34.03, -21.97], [34.25, -22.5], [34.15, -22.75], [34.25, -23.0], [34.15, -23.25], [34.25, -23.5], [34.03, -24.03], [33.5, -24.25], [33.25, -24.15], [33.0, -24.25], [32.75, -24.15], [32.5, -24.25], [32.0, -24.04], [31.5, -24.25], [31.25, -24.15], [31.0, -24.25], [30.5, -24.04], [30.0, -24.25], [29.47, -24.03]]]]}, "2024-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[28.75, -23.0], [28.97, -22.47], [29.5, -22.25], [30.03, -22.47], [30.18, -22.82], [30.25, -22.85], [30.5, -22.75], [30.75, -22.85], [30.82, -22.82], [30.85, -22.75], [30.75, -22.5], [30.85, -22.25], [30.75, -22.0], [30.97, -21.47], [31.5, -21.25], [32.03, -21.47], [32.18, -21.82], [32.25, -21.85], [32.5, -21.75], [32.75, -21.85], [33.0, -21.75], [33.25, -21.85], [33.5, -21.75], [34.03, -21.97], [34.25, -22.5], [34.15, -22.75], [34.25, -23.0], [34.15, -23.25], [34.25, -23.5], [34.03, -24.03], [33.5, -24.25], [33.25, -24.15], [33.0, -24.25], [32.75, -24.15], [32.5, -24.25], [32.0, -24.04], [31.5, 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[31.200249421362855, 30.876028577019213, 31.04473206369505, 27.291504160563193, 27.2203358968099, 27.241428629557333, 27.927349344889365]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.25587997436526, 31.934636688232445, 32.64574203491213, 28.523437754313193, 28.66619771321615, 28.557977294921898, 29.808941141764365]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.590744479855673, 4.333240780842372, 4.845929272965748, 4.280964862245203, 4.647958032673273, 4.708833819720539, 5.5879500016449315]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.252826859390041, 4.896342484305535, 5.643097900467694, 4.406918936728175, 4.965583123552108, 5.03024718017798, 5.858556967569427]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5233257380808114, 1.425350096642501, 1.585025902256761, 1.3272882789517435, 1.410570295833721, 1.4255111525405317, 1.710944561603281]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7760571277765098, 1.607522886293244, 1.728488601553772, 1.3499591479942352, 1.5062999056703366, 1.5180522935334584, 1.7745072772674684]}}