{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:32.964273", "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-Dec-04_to_2024-Dec-06_132.5_-29.5"}, "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": 2024120001142}, "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": "December 04 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 06 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": 136092.14699355245}, "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": -29.5}, "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": 132.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 130.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 137.0}, "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": -28.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[129.47, -27.97], [130.0, -27.75], [130.25, -27.85], [130.5, -27.75], [130.75, -27.85], [131.0, -27.75], [131.25, -27.85], [131.5, -27.75], [131.75, -27.85], [132.0, -27.75], [132.5, -27.96], [133.0, -27.75], [133.25, -27.85], [133.5, -27.75], [134.03, -27.97], [134.18, -28.32], [134.53, -28.47], [134.75, -29.0], [134.65, -29.25], [134.68, -29.32], [135.03, -29.47], [135.18, -29.82], [135.53, -29.97], [135.68, -30.32], [135.75, -30.35], [136.0, -30.25], [136.53, -30.47], [136.75, -31.0], [136.65, -31.25], [136.68, -31.32], [137.03, -31.47], [137.18, -31.82], [137.53, -31.97], [137.75, -32.5], [137.53, -33.03], [137.0, -33.25], [136.75, -33.15], [136.68, -33.18], [136.65, -33.25], [136.75, -33.5], [136.53, -34.03], [136.0, -34.25], [135.47, -34.03], [135.32, -33.68], [134.97, -33.53], [134.75, -33.0], [134.85, -32.75], [134.82, -32.68], [134.47, -32.53], [134.32, -32.18], [133.97, -32.03], [133.82, -31.68], [133.47, -31.53], [133.3, -31.12], [133.0, -31.25], [132.75, -31.15], [132.5, -31.25], [131.97, -31.03], [131.8, -30.62], [131.5, -30.75], [130.97, -30.53], [130.82, -30.18], [130.47, -30.03], [130.32, -29.68], [129.97, -29.53], [129.82, -29.18], [129.47, -29.03], [129.25, -28.5], [129.47, -27.97]]]]}}, "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": {"2024-12-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, -29.03], [129.25, -28.5], [129.47, -27.97], [130.0, -27.75], [130.25, -27.85], [130.5, -27.75], [130.75, -27.85], [131.0, -27.75], [131.25, -27.85], [131.5, -27.75], [131.75, -27.85], [132.0, -27.75], [132.5, -27.96], [133.0, -27.75], [133.25, -27.85], [133.5, -27.75], [134.03, -27.97], [134.18, -28.32], [134.53, -28.47], [134.75, -29.0], [134.65, -29.25], [134.68, -29.32], [135.03, -29.47], [135.18, -29.82], [135.53, -29.97], [135.68, -30.32], [135.75, -30.35], [136.0, -30.25], [136.53, -30.47], [136.75, -31.0], [136.65, 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"description": "The daily evolution of mean t2m anomalies.", "value": [8.430646791591533, 7.368679288027032, 7.394222126712936]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [11.233797895437817, 9.236515532805356, 8.711028109649419]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9767776150551708, 1.6797735410250738, 1.6220874457597427]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.456447833553485, 1.9902019001357725, 1.8709756012342564]}}