{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:14:28.744964", "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": "2020-Jun-18_to_2020-Jun-20_147.0_-30.5"}, "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": 2020060002479}, "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": "June 18 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 20 2020"}, "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": 120769.28661147197}, "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": -30.5}, "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": 147.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "147.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 148.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[144.97, -27.97], [145.5, -27.75], [145.75, -27.854], [145.823, -27.823], [145.854, -27.75], [145.75, -27.5], [145.97, -26.97], [146.5, -26.75], [146.75, -26.854], [147.0, -26.75], [147.53, -26.97], [147.677, -27.323], [148.03, -27.47], [148.177, -27.823], [148.25, -27.854], [148.5, -27.75], [149.03, -27.97], [149.25, -28.5], [149.146, -28.75], [149.25, -29.0], [149.146, -29.25], [149.25, -29.5], [149.03, -30.03], [148.677, -30.177], [148.646, -30.25], [148.75, -30.5], [148.625, -30.802], [149.03, -30.97], [149.25, -31.5], [149.03, -32.03], [148.677, -32.177], [148.53, -32.53], [148.0, -32.75], [147.75, -32.646], [147.5, -32.75], [147.25, -32.646], [147.0, -32.75], [146.47, -32.53], [146.323, -32.177], [145.97, -32.03], [145.75, -31.5], [145.854, -31.25], [145.75, -31.0], [145.854, -30.75], [145.823, -30.677], [145.47, -30.53], [145.323, -30.177], [144.97, -30.03], [144.75, -29.5], [144.957, -29.0], [144.75, -28.5], [144.97, -27.97]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "E.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-18T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[144.95710678118655, -29.0], [144.75, -28.5], [144.96966991411009, -27.96966991411009], [145.5, -27.75], [145.75, -27.853553390593273], [145.82322330470336, -27.82322330470336], [145.85355339059328, -27.75], [145.75, -27.5], [145.96966991411009, -26.96966991411009], [146.5, -26.75], [146.75, -26.853553390593273], [147.0, -26.75], [147.53033008588991, -26.96966991411009], [147.67677669529664, -27.32322330470336], [148.03033008588991, -27.46966991411009], [148.17677669529664, -27.82322330470336], [148.25, -27.853553390593273], [148.5, -27.75], [149.03033008588991, -27.96966991411009], [149.25, -28.5], [149.14644660940672, -28.75], [149.25, -29.0], [149.14644660940672, -29.25], [149.25, -29.5], [149.03033008588991, -30.03033008588991], [148.67677669529664, -30.17677669529664], [148.64644660940672, -30.25], [148.75, 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maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.234618109614701, 6.120090429337608, 5.516687000490265]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7004340706502334, 1.9103042134510235, 1.7404028229109718]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.984126442008415, 2.463313892437946, 2.0376353997425114]}}