{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:54.666582", "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": "2025-Nov-01_to_2025-Nov-05_42.5_-14.0"}, "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": 2025110000959}, "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 01 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 05 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 95822.25649897938}, "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": ["Comoro", "Comoro Basin"]}, "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": -14.0}, "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": 42.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "42.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 40.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 45.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -16.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -13.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[40.97, -13.97], [41.32, -13.82], [41.35, -13.75], [41.25, -13.5], [41.47, -12.97], [41.82, -12.82], [41.97, -12.47], [42.5, -12.25], [43.03, -12.47], [43.18, -12.82], [43.25, -12.85], [43.5, -12.75], [43.75, -12.85], [44.0, -12.75], [44.25, -12.85], [44.5, -12.75], [44.75, -12.85], [45.0, -12.75], [45.53, -12.97], [45.68, -13.32], [46.03, -13.47], [46.25, -14.0], [46.03, -14.53], [45.5, -14.75], [45.25, -14.65], [45.18, -14.68], [45.03, -15.03], [44.68, -15.18], [44.53, -15.53], [44.0, -15.75], [43.47, -15.53], [43.32, -15.18], [43.25, -15.15], [43.18, -15.18], [43.03, -15.53], [42.5, -15.75], [42.25, -15.65], [42.0, -15.75], [41.75, -15.65], [41.68, -15.68], [41.53, -16.03], [41.18, -16.18], [41.03, -16.53], [40.68, -16.68], [40.53, -17.03], [40.0, -17.25], [39.47, -17.03], [39.25, -16.5], [39.47, -15.97], [39.82, -15.82], [39.96, -15.5], [39.75, -15.0], [39.97, -14.47], [40.5, -14.25], [40.75, -14.35], [40.82, -14.32], [40.97, -13.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Southern-Africa", "Madagascar"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.97, -15.47], [40.32, -15.32], [40.35, -15.25], [40.25, -15.0], [40.47, -14.47], [41.0, -14.25], [41.53, -14.47], [41.75, -15.0], [41.65, -15.25], [41.75, -15.5], [41.53, -16.03], [41.18, -16.18], [41.03, -16.53], [40.68, -16.68], [40.53, -17.03], [40.0, -17.25], [39.47, -17.03], [39.25, -16.5], [39.47, -15.97], [39.82, -15.82], [39.97, -15.47]]]]}, "2025-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.96, -15.5], [39.75, -15.0], [39.97, -14.47], [40.5, -14.25], [40.75, -14.35], [40.82, -14.32], [40.97, -13.97], [41.32, -13.82], [41.35, -13.75], [41.25, -13.5], [41.47, -12.97], [41.82, -12.82], [41.97, -12.47], [42.5, -12.25], [43.03, -12.47], [43.18, -12.82], [43.25, -12.85], [43.5, -12.75], [43.75, -12.85], [44.0, -12.75], [44.25, -12.85], [44.5, -12.75], [44.75, 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-15.65], [42.0, -15.75], [41.75, -15.65], [41.5, -15.75], [40.97, -15.53], [40.75, -15.0], [40.85, -14.75], [40.75, -14.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.5024631720577304}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.8607173335541305}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.634723917643214, 27.097150831324996, 27.269756571451865, 27.19815960838679, 27.120518348330563]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [26.712319946289085, 28.064260101318382, 27.696939086914085, 27.937652842203818, 27.288911437988304]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.6890366547430347, 0.8291558844335235, 0.9781262666773145, 0.8462999398149975, 0.7401265337496332]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [0.7812349391914495, 1.5024631720577304, 1.0952056563784254, 1.3058505389948323, 0.8192957373302647]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3326573560584374, 1.5296853272205708, 1.8271209459582298, 1.5894040934068765, 1.4664527734711108]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4492482781314218, 1.8246057425384432, 2.144660663544341, 1.988575454426289, 1.6996177677516178]}}