{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:25:28.942980", "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": "2022-Dec-03_to_2022-Dec-06_32.0_-15.5"}, "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": 2022120001761}, "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": "December 03 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 06 2022"}, "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": 115287.60628928947}, "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": ["Malawi", "Mozambique", "Zambia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "Africa", "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": -15.5}, "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": 32.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "32.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 30.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 37.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[38.03, -20.03], [37.68, -20.18], [37.53, -20.53], [37.0, -20.75], [36.47, -20.53], [36.32, -20.18], [35.97, -20.03], 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[38.25, -18.5], [38.15, -18.75], [38.25, -19.0], [38.15, -19.25], [38.25, -19.5], [38.03, -20.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-12-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[36.97, -18.97], [37.5, -18.75], [38.03, -18.97], [38.25, -19.5], [38.03, -20.03], [37.5, -20.25], [36.97, -20.03], [36.75, -19.5], [36.97, -18.97]]]]}, "2022-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, -16.03], [29.25, -15.5], [29.47, -14.97], [30.0, -14.75], [30.3, -14.87], [30.47, -14.47], [31.0, -14.25], [31.5, -14.46], [32.0, -14.25], [32.25, -14.35], [32.5, -14.25], [33.03, -14.47], [33.18, -14.82], [33.25, -14.85], [33.5, -14.75], [34.03, -14.97], [34.18, -15.32], [34.25, -15.35], [34.5, -15.25], [35.03, -15.47], 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t2m", "description": "The daily evolution of maximum t2m.", "value": [27.54375238387587, 33.818318450222876, 34.56986476755054, 33.954436406019624]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.10407994666906, 3.0877470851822104, 3.113734591420838, 3.1290393209494405]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.10407994666906, 4.377538189657287, 4.7659035074237295, 4.363745625213028]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.1853923289422827, 1.518660080167468, 1.5023942923303277, 1.5396852875603215]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.1853923289422827, 1.859602343796393, 1.8615888232022426, 1.9376719255130992]}}