{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:46.646619", "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-Aug-23_to_2025-Aug-25_130.5_-26.0"}, "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": 2025080002371}, "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 23 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 25 2025"}, "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": 157531.03275529377}, "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": ["Australia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": -26.0}, "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": 130.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 126.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 131.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -21.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-08-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.85, -22.75], [125.75, -22.5], [125.85, -22.25], [125.75, -22.0], [125.97, -21.47], [126.5, -21.25], [126.75, -21.35], [127.0, -21.25], [127.53, -21.47], [127.68, -21.82], [127.75, -21.85], [128.0, -21.75], [128.53, -21.97], [128.68, -22.32], [129.03, -22.47], [129.2, -22.87], [129.5, -22.75], [130.03, -22.97], [130.18, -23.32], [130.25, -23.35], [130.5, -23.25], [130.75, -23.35], [131.0, -23.25], [131.53, -23.47], [131.75, -24.0], [131.65, -24.25], [131.68, -24.32], [132.03, -24.47], [132.25, -25.0], [132.03, -25.53], [131.68, -25.68], [131.65, -25.75], [131.75, -26.0], [131.65, -26.25], [131.75, -26.5], [131.53, -27.03], [131.18, -27.18], [131.03, -27.53], [130.5, -27.75], [130.25, -27.65], [130.0, -27.75], [129.47, -27.53], [129.32, -27.18], [128.97, -27.03], [128.75, -26.5], [128.85, -26.25], [128.82, -26.18], [128.47, -26.03], [128.32, -25.68], [128.25, -25.65], [128.0, -25.75], [127.47, -25.53], [127.32, -25.18], [126.97, -25.03], [126.75, -24.5], [126.85, -24.25], [126.82, -24.18], [126.75, -24.15], [126.5, -24.25], [125.97, -24.03], [125.75, -23.5], [125.85, -23.25], [125.75, -23.0], [125.85, -22.75]]]]}, "2025-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.85, -22.75], [125.75, -22.5], [125.85, -22.25], [125.75, -22.0], [125.97, -21.47], [126.5, -21.25], [126.75, -21.35], [127.0, -21.25], [127.53, -21.47], [127.68, -21.82], [127.75, -21.85], [128.0, -21.75], [128.53, -21.97], [128.68, -22.32], [129.03, -22.47], [129.2, -22.87], [129.5, -22.75], [130.03, -22.97], [130.18, -23.32], [130.25, -23.35], [130.5, -23.25], [130.75, -23.35], [131.0, -23.25], [131.53, -23.47], [131.75, -24.0], [131.65, -24.25], [131.68, -24.32], [132.03, -24.47], [132.25, -25.0], [132.03, -25.53], [131.68, -25.68], [131.65, -25.75], [131.75, -26.0], [131.65, -26.25], [131.75, -26.5], [131.53, -27.03], [131.18, -27.18], [131.03, -27.53], [130.5, -27.75], [130.25, -27.65], [130.0, -27.75], [129.47, -27.53], [129.32, -27.18], [128.97, -27.03], [128.75, -26.5], [128.85, -26.25], [128.82, -26.18], [128.47, -26.03], [128.32, -25.68], [128.25, -25.65], [128.0, -25.75], [127.47, -25.53], [127.32, -25.18], [126.97, -25.03], [126.75, -24.5], [126.85, -24.25], [126.82, -24.18], [126.75, -24.15], [126.5, -24.25], [125.97, -24.03], [125.75, -23.5], [125.85, -23.25], [125.75, -23.0], [125.85, -22.75]]]]}, "2025-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.85, -22.75], [125.75, -22.5], [125.85, -22.25], [125.75, -22.0], [125.97, -21.47], [126.5, -21.25], [126.75, -21.35], [127.0, -21.25], [127.53, -21.47], [127.68, -21.82], [127.75, -21.85], [128.0, -21.75], [128.53, -21.97], [128.68, -22.32], [129.03, -22.47], [129.2, -22.87], [129.5, -22.75], [130.03, -22.97], [130.18, -23.32], [130.25, -23.35], [130.5, -23.25], [130.75, -23.35], [131.0, -23.25], [131.53, -23.47], [131.75, -24.0], [131.65, -24.25], [131.68, -24.32], [132.03, -24.47], [132.25, -25.0], [132.03, -25.53], [131.68, -25.68], [131.65, -25.75], [131.75, -26.0], [131.65, -26.25], [131.75, -26.5], [131.53, 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maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.567534383138025, 25.60587844848635, 26.26151555379232]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.3945482314873745, 5.843212174804123, 6.397715891069707]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.544619805096488, 7.637741003329268, 8.73484707080462]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6999768740697896, 1.7921472383470018, 1.9153042244498786]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9806130455427928, 2.154052408101866, 2.5870081567364913]}}