{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:27.755945", "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-Oct-11_to_2025-Oct-16_32.0_-22.0"}, "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": 2025100001555}, "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": "October 11 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 16 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 103115.67591669314}, "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": -22.0}, "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": 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": 31.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 35.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[31.0, -21.25], [31.25, -21.35], [31.32, -21.32], [31.47, -20.97], [32.0, -20.75], [32.25, -20.85], [32.32, -20.82], [32.47, -20.47], [32.82, -20.32], [32.97, -19.97], [33.5, -19.75], [33.75, -19.85], [34.0, -19.75], [34.53, -19.97], [34.68, -20.32], [35.03, -20.47], [35.25, -21.0], [35.15, -21.25], [35.18, -21.32], [35.53, -21.47], [35.75, -22.0], [35.65, -22.25], [35.68, -22.32], [36.03, -22.47], [36.25, -23.0], [36.03, -23.53], [35.68, -23.68], [35.53, -24.03], [35.0, -24.25], [34.75, -24.15], [34.5, -24.25], [33.97, -24.03], [33.82, -23.68], [33.75, -23.65], [33.5, -23.75], [33.25, -23.65], [33.0, -23.75], [32.47, -23.53], [32.32, -23.18], [32.11, -23.09], [32.0, -23.04], [31.5, -23.25], [30.97, -23.03], [30.82, -22.68], [30.47, -22.53], [30.25, -22.0], [30.47, -21.47], [31.0, -21.25]]]]}}, "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": {"2025-10-11T11:30:00.000000000": {"type": "MultiPolygon", 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.027142113422599, 4.253984011888665, 3.100224465105065, 3.3248624703166865, 4.121701983912434, 3.645911161055782]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.8779923944507, 5.604651877039146, 4.267436856765528, 4.561613841181838, 5.9845912639546555, 4.971590955222382]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4639211267017471, 1.5714211030923078, 1.2515310406096796, 1.4873920394476796, 1.7929056703579813, 1.5910823033486747]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5266648814614048, 1.8405120167925242, 1.3016528579240005, 1.72550892214925, 2.2337521412257653, 1.8260972043176482]}}