{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:49.882897", "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": "2023-Dec-19_to_2023-Dec-21_115.5_-32.0"}, "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": 2023120001736}, "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 19 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 21 2023"}, "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": 58420.18036109298}, "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": ["Indian Ocean"]}, "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": -32.0}, "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": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 111.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[110.25, -29.5], [110.35, -29.25], [110.25, -29.0], [110.47, -28.47], [111.0, -28.25], [111.25, -28.35], [111.5, -28.25], [112.03, -28.47], [112.25, -29.0], [112.15, -29.25], [112.18, -29.32], [112.53, -29.47], [112.68, -29.82], [113.03, -29.97], [113.18, -30.32], [113.53, -30.47], [113.68, -30.82], [113.75, -30.85], [114.0, -30.75], [114.25, -30.85], [114.5, -30.75], [114.75, -30.85], [115.0, -30.75], [115.25, -30.85], [115.5, -30.75], [116.03, -30.97], [116.25, -31.5], [116.15, -31.75], [116.25, -32.0], [116.15, -32.25], [116.25, -32.5], [116.03, -33.03], [115.5, -33.25], [114.97, -33.03], [114.82, -32.68], [114.75, -32.65], [114.5, -32.75], [113.97, -32.53], [113.82, -32.18], [113.75, -32.15], [113.5, -32.25], [112.97, -32.03], [112.82, -31.68], [112.47, -31.53], [112.32, -31.18], [112.25, -31.15], [112.18, -31.18], [112.03, -31.53], [111.5, -31.75], [110.97, -31.53], [110.82, -31.18], [110.47, -31.03], [110.25, -30.5], [110.35, -30.25], [110.25, -30.0], [110.35, -29.75], [110.25, -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": {"2023-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.25, -30.0], [110.35, -29.75], [110.25, -29.5], [110.35, -29.25], [110.25, -29.0], [110.47, -28.47], [111.0, -28.25], [111.25, -28.35], [111.5, -28.25], [112.03, -28.47], [112.25, -29.0], [112.15, -29.25], [112.18, -29.32], [112.53, -29.47], [112.68, -29.82], [113.03, -29.97], [113.18, -30.32], [113.53, -30.47], [113.68, -30.82], [113.75, -30.85], [114.0, -30.75], [114.25, -30.85], [114.5, -30.75], [114.75, -30.85], [115.0, -30.75], [115.25, -30.85], [115.5, -30.75], [116.03, -30.97], [116.25, -31.5], [116.15, -31.75], [116.25, -32.0], [116.15, -32.25], [116.25, -32.5], [116.03, -33.03], [115.5, -33.25], [114.97, -33.03], [114.82, -32.68], [114.75, -32.65], [114.5, -32.75], [113.97, -32.53], [113.82, -32.18], [113.75, -32.15], [113.5, -32.25], [112.97, -32.03], [112.82, -31.68], [112.47, -31.53], [112.32, -31.18], [112.25, -31.15], [112.18, -31.18], [112.03, -31.53], [111.5, -31.75], [110.97, -31.53], [110.82, -31.18], [110.47, -31.03], [110.25, -30.5], [110.35, -30.25], [110.25, -30.0]]]]}, "2023-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[110.25, -30.0], [110.35, -29.75], [110.25, -29.5], [110.35, -29.25], [110.25, -29.0], [110.47, -28.47], [111.0, -28.25], [111.25, -28.35], [111.5, -28.25], [112.03, -28.47], [112.25, -29.0], [112.15, -29.25], [112.18, -29.32], [112.53, -29.47], [112.68, -29.82], [113.03, -29.97], [113.18, -30.32], [113.53, -30.47], [113.68, -30.82], [113.75, -30.85], [114.0, -30.75], [114.25, -30.85], [114.5, -30.75], [114.75, -30.85], [115.0, -30.75], [115.25, -30.85], [115.5, -30.75], [116.03, -30.97], [116.25, -31.5], [116.15, -31.75], [116.25, -32.0], [116.15, -32.25], [116.25, -32.5], [116.03, -33.03], [115.5, -33.25], [114.97, -33.03], [114.82, -32.68], [114.75, -32.65], 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[24.414381988887328, 27.511208860720217, 25.748869196768055]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.9603160445097052, 3.2065290528261725, 2.843023994655769]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.490571216061994, 6.579185563960948, 5.187466387642985]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5854096554432895, 2.4200155320244985, 2.0686082537953094]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.782277813699483, 3.1216772340283176, 2.6643302606585992]}}