{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:52:40.719546", "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": "2023-Apr-08_to_2023-Apr-11_36.5_-17.5"}, "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": 2023040001640}, "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": "April 08 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 11 2023"}, "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": 131386.80178838433}, "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", "Zimbabwe"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": -17.5}, "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": 36.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "36.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 31.5}, "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": -21.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -17.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[31.32, -18.82], [31.47, -18.47], [32.0, -18.25], [32.3, -18.37], [32.47, -17.97], [33.0, -17.75], [33.53, -17.97], [33.68, 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-18.82]]]]}}, "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": {"2023-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[30.97, -20.03], [30.75, -19.5], [30.97, -18.97], [31.32, -18.82], [31.47, -18.47], [32.0, -18.25], [32.3, -18.37], [32.47, -17.97], [33.0, -17.75], [33.53, -17.97], [33.68, -18.32], [33.8, -18.37], [33.97, -17.97], [34.5, -17.75], [34.75, -17.85], [34.82, -17.82], [34.85, -17.75], [34.82, -17.68], [34.47, -17.53], [34.25, -17.0], [34.47, -16.47], [35.0, -16.25], [35.5, -16.46], [36.0, -16.25], [36.25, -16.35], [36.5, -16.25], [37.03, -16.47], [37.18, -16.82], [37.25, -16.85], [37.5, -16.75], [38.03, -16.97], [38.25, -17.5], [38.03, -18.03], [37.5, -18.25], [37.25, -18.15], [37.18, -18.18], [37.15, -18.25], [37.25, -18.5], [37.03, -19.03], 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"description": "Mean t2m anomaly over entire duration", "value": 2.777558263168157}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.094359478423485, 26.049744068598045, 26.784120094315767, 26.9059962986488]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.94927006200618, 27.803200700287277, 28.232486830487858, 28.005308787350145]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.6108790524683307, 2.540672881281706, 3.394736423526817, 2.423098697907586]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.062948035806016, 4.521696673696852, 5.368613123470368, 3.2623849009920605]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5341915813680342, 1.5104915722399366, 2.0263936866856582, 1.623621350746196]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0516110297138037, 2.0352501775032326, 2.525990992631244, 2.113417020198591]}}