{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:59:06.808697", "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": "2024-May-27_to_2024-May-29_135.0_-32.5"}, "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": 2024050002111}, "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": "May 27 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 29 2024"}, "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": 81577.90383569666}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": -32.5}, "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": 135.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 131.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 136.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[130.25, -29.5], [130.47, -28.97], [131.0, -28.75], [131.53, -28.97], [131.68, -29.32], [131.75, -29.35], [132.0, -29.25], [132.53, -29.47], [132.75, -30.0], [132.65, -30.25], [132.68, -30.32], [132.75, -30.35], [133.0, -30.25], [133.53, -30.47], [133.68, -30.82], [134.03, -30.97], [134.18, -31.32], [134.25, -31.35], [134.5, -31.25], [134.75, -31.35], [135.0, -31.25], [135.53, -31.47], [135.68, -31.82], [136.03, -31.97], [136.18, -32.32], [136.53, -32.47], [136.75, -33.0], [136.65, -33.25], [136.75, -33.5], [136.53, -34.03], [136.0, -34.25], [135.47, -34.03], [135.32, -33.68], [135.25, -33.65], [135.0, -33.75], [134.75, -33.65], [134.5, -33.75], [133.97, -33.53], [133.75, -33.0], [133.85, -32.75], [133.82, -32.68], [133.75, -32.65], [133.5, -32.75], [133.25, -32.65], [133.0, -32.75], [132.75, -32.65], [132.5, -32.75], [132.25, -32.65], [132.0, -32.75], [131.47, -32.53], [131.32, -32.18], [130.97, -32.03], [130.82, -31.68], [130.47, -31.53], [130.25, -31.0], [130.35, -30.75], [130.25, -30.5], [130.46, -30.0], [130.25, -29.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-05-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.25, -30.5], [130.46, -30.0], [130.25, -29.5], [130.47, -28.97], [131.0, -28.75], [131.53, -28.97], [131.68, -29.32], [131.75, -29.35], [132.0, -29.25], [132.53, -29.47], [132.75, -30.0], [132.65, -30.25], [132.68, -30.32], [132.75, -30.35], [133.0, -30.25], [133.53, -30.47], [133.68, -30.82], [134.03, -30.97], [134.18, -31.32], [134.25, -31.35], [134.5, -31.25], [134.75, -31.35], [135.0, -31.25], [135.53, -31.47], [135.68, -31.82], [136.03, -31.97], [136.18, -32.32], [136.53, -32.47], [136.75, -33.0], [136.65, -33.25], [136.75, -33.5], [136.53, -34.03], [136.0, -34.25], [135.47, -34.03], [135.32, -33.68], [135.25, -33.65], [135.0, -33.75], [134.75, -33.65], [134.5, -33.75], [133.97, -33.53], [133.75, -33.0], [133.85, -32.75], [133.82, -32.68], [133.75, -32.65], [133.5, -32.75], [133.25, -32.65], [133.0, -32.75], [132.75, -32.65], [132.5, -32.75], [132.25, -32.65], [132.0, -32.75], [131.47, -32.53], [131.32, -32.18], [130.97, -32.03], [130.82, -31.68], [130.47, -31.53], [130.25, -31.0], [130.35, -30.75], [130.25, -30.5]]]]}, "2024-05-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.25, -30.5], [130.46, -30.0], [130.25, -29.5], [130.47, -28.97], [131.0, -28.75], [131.53, -28.97], [131.68, -29.32], [131.75, -29.35], [132.0, -29.25], [132.53, -29.47], [132.75, -30.0], [132.65, -30.25], [132.68, -30.32], [132.75, -30.35], [133.0, -30.25], [133.53, -30.47], [133.68, -30.82], [134.03, -30.97], [134.18, -31.32], [134.25, -31.35], [134.5, -31.25], [134.75, -31.35], [135.0, -31.25], [135.53, -31.47], [135.68, -31.82], [136.03, -31.97], [136.18, -32.32], [136.53, -32.47], [136.75, -33.0], [136.65, -33.25], [136.75, -33.5], [136.53, -34.03], [136.0, -34.25], [135.47, -34.03], 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18.52716214362971]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.19178941272736, 20.21113478717467, 19.666996911046738]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.599862712046351, 4.802507350023386, 5.253466570153445]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.447116770233379, 6.546034005777017, 6.857725765782391]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6730888965567985, 2.1850271213561347, 2.3001112235943055]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.9990596181189677, 2.8789474661648233, 3.0346912829852517]}}