{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:32.722634", "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-Aug-13_to_2022-Aug-15_38.0_-20.0"}, "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": 2022080002186}, "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 13 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 15 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 55229.97038222779}, "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"]}, "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": -20.0}, "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": 38.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 36.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 38.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -21.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[35.75, -18.5], [35.97, -17.97], [36.5, -17.75], [37.03, -17.97], [37.25, -18.5], [37.15, -18.75], [37.18, -18.82], [37.25, -18.85], [37.32, -18.82], [37.47, -18.47], [38.0, -18.25], [38.25, -18.35], [38.5, -18.25], [39.03, -18.47], [39.25, -19.0], [39.15, -19.25], [39.25, -19.5], [39.15, -19.75], [39.25, -20.0], [39.15, -20.25], [39.25, -20.5], [39.03, -21.03], [38.63, -21.2], [38.75, -21.5], [38.53, -22.03], [38.0, -22.25], [37.47, -22.03], [37.32, -21.68], [36.97, -21.53], [36.82, -21.18], [36.47, -21.03], [36.25, -20.5], [36.35, -20.25], [36.32, -20.18], [35.97, -20.03], [35.75, -19.5], [35.85, -19.25], [35.75, -19.0], [35.85, -18.75], [35.75, -18.5]]]]}}, "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": {"2022-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.75, -19.0], [35.85, -18.75], [35.75, -18.5], [35.97, -17.97], [36.5, -17.75], [37.03, -17.97], [37.25, -18.5], [37.15, -18.75], [37.18, -18.82], [37.25, -18.85], [37.32, -18.82], [37.47, -18.47], [38.0, -18.25], [38.25, -18.35], [38.5, -18.25], [39.03, -18.47], [39.25, -19.0], [39.15, -19.25], [39.25, -19.5], [39.15, -19.75], [39.25, -20.0], [39.15, -20.25], [39.25, -20.5], [39.03, -21.03], [38.63, -21.2], [38.75, -21.5], [38.53, -22.03], [38.0, -22.25], [37.47, -22.03], [37.32, -21.68], [36.97, -21.53], [36.82, -21.18], [36.47, -21.03], [36.25, -20.5], [36.35, -20.25], [36.32, -20.18], [35.97, -20.03], [35.75, -19.5], [35.85, -19.25], [35.75, -19.0]]]]}, "2022-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.75, -19.0], [35.85, -18.75], [35.75, -18.5], [35.97, -17.97], [36.5, -17.75], [37.03, -17.97], [37.25, -18.5], [37.15, -18.75], [37.18, -18.82], [37.25, -18.85], [37.32, -18.82], [37.47, -18.47], [38.0, -18.25], [38.25, -18.35], [38.5, -18.25], [39.03, -18.47], [39.25, -19.0], [39.15, -19.25], [39.25, -19.5], [39.15, -19.75], [39.25, -20.0], [39.15, -20.25], [39.25, -20.5], [39.03, -21.03], [38.63, -21.2], [38.75, -21.5], [38.53, -22.03], [38.0, -22.25], [37.47, -22.03], [37.32, -21.68], [36.97, -21.53], [36.82, -21.18], [36.47, -21.03], [36.25, -20.5], [36.35, -20.25], [36.32, -20.18], [35.97, -20.03], [35.75, -19.5], [35.85, -19.25], [35.75, -19.0]]]]}, "2022-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[35.75, -19.0], [35.85, -18.75], [35.75, -18.5], [35.97, -17.97], [36.5, -17.75], [37.03, -17.97], [37.25, -18.5], [37.15, -18.75], [37.18, -18.82], [37.25, -18.85], [37.32, -18.82], [37.47, -18.47], [38.0, -18.25], [38.25, -18.35], [38.5, -18.25], [39.03, -18.47], [39.25, -19.0], [39.15, -19.25], [39.25, -19.5], [39.15, -19.75], [39.25, -20.0], [39.15, -20.25], [39.25, -20.5], [39.03, -21.03], [38.63, -21.2], [38.75, -21.5], [38.53, -22.03], [38.0, -22.25], [37.47, -22.03], [37.32, -21.68], [36.97, -21.53], [36.82, -21.18], [36.47, -21.03], [36.25, -20.5], [36.35, -20.25], [36.32, -20.18], [35.97, -20.03], [35.75, -19.5], [35.85, -19.25], [35.75, -19.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.8839319417601246}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.5048320090588931}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [24.26893631548603, 24.80568745094871, 24.60695468727954]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [24.672583819753413, 25.735128130151736, 25.052588667406837]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.2245769584825468, 1.7523347343372273, 1.5375843343569051]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.875093303510198, 2.8839319417601246, 2.1364215233530786]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4164109601614017, 1.9132370295290106, 1.6428546819327756]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5485860013285282, 2.202204889035006, 1.9457489567450736]}}