{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:01.012880", "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-Sep-06_to_2025-Sep-10_30.0_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": 2025090001257}, "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": "September 06 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 10 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": 98432.41218701634}, "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": ["Sudan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Eastern-Africa", "Sahara"]}, "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": 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": 30.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "30.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 29.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 34.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 13.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 17.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-09-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[31.5, 16.25], [32.03, 16.03], [32.25, 15.5], [32.03, 14.97], [31.5, 14.75], [30.97, 14.97], [30.75, 15.5], [30.97, 16.03], [31.5, 16.25]]]]}, "2025-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 15.03], [30.0, 15.25], [30.25, 15.15], [30.5, 15.25], [30.75, 15.15], [30.82, 15.18], [30.85, 15.25], [30.75, 15.5], [30.97, 16.03], [31.5, 16.25], [31.8, 16.13], [31.97, 16.53], [32.32, 16.68], [32.47, 17.03], [33.0, 17.25], [33.25, 17.15], [33.32, 17.18], [33.47, 17.53], [34.0, 17.75], [34.25, 17.65], [34.5, 17.75], [35.03, 17.53], [35.25, 17.0], [35.15, 16.75], [35.25, 16.5], [35.03, 15.97], [34.68, 15.82], [34.53, 15.47], [34.18, 15.32], [34.15, 15.25], [34.18, 15.18], [34.53, 15.03], [34.75, 14.5], [34.53, 13.97], [34.0, 13.75], [33.7, 13.88], [33.53, 13.47], [33.0, 13.25], [32.5, 13.46], [32.0, 13.25], [31.75, 13.35], [31.5, 13.25], [31.25, 13.35], [31.0, 13.25], [30.75, 13.35], [30.5, 13.25], [30.25, 13.35], [30.0, 13.25], [29.47, 13.47], [29.25, 14.0], [29.35, 14.25], [29.25, 14.5], [29.47, 15.03]]]]}, "2025-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 15.03], [30.0, 15.25], [30.25, 15.15], [30.5, 15.25], [30.75, 15.15], [30.82, 15.18], [30.85, 15.25], [30.75, 15.5], [30.97, 16.03], [31.5, 16.25], [31.8, 16.13], [31.97, 16.53], [32.32, 16.68], [32.47, 17.03], [33.0, 17.25], [33.25, 17.15], [33.32, 17.18], [33.47, 17.53], [34.0, 17.75], [34.25, 17.65], [34.5, 17.75], [35.03, 17.53], [35.25, 17.0], [35.15, 16.75], [35.25, 16.5], [35.03, 15.97], [34.68, 15.82], [34.53, 15.47], [34.18, 15.32], [34.15, 15.25], [34.18, 15.18], [34.53, 15.03], [34.75, 14.5], [34.53, 13.97], [34.0, 13.75], [33.7, 13.88], [33.53, 13.47], [33.0, 13.25], [32.5, 13.46], [32.0, 13.25], [31.75, 13.35], [31.5, 13.25], [31.25, 13.35], [31.0, 13.25], [30.75, 13.35], [30.5, 13.25], [30.25, 13.35], [30.0, 13.25], [29.47, 13.47], [29.25, 14.0], [29.35, 14.25], [29.25, 14.5], [29.47, 15.03]]]]}, "2025-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.47, 15.03], 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"anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.972942780623839, 2.720633398678274, 2.8647339288551734, 2.918894363603556, 1.9648097137798004]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2762016510253387, 1.4514551673163985, 1.4967615282763211, 1.4694254166821967, 1.4082579604844652]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2762016510253387, 1.6303557895395742, 1.7936058887697546, 1.847651769483416, 1.4082579604844652]}}