{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:24:43.160186", "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": "2021-May-04_to_2021-May-06_126.5_-25.5"}, "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": 2021050001668}, "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 04 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 06 2021"}, "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": 50436.43450916222}, "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": -25.5}, "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": 126.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "126.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 123.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[122.97, -25.53], [122.75, -25.0], [122.97, -24.47], [123.5, -24.25], [123.75, -24.354], [123.823, -24.323], [123.97, -23.97], [124.323, -23.823], [124.47, -23.47], [125.0, -23.25], [125.53, -23.47], [125.698, -23.875], [126.0, -23.75], [126.25, -23.854], [126.5, -23.75], [127.03, -23.97], [127.177, -24.323], [127.53, -24.47], [127.75, -25.0], [127.53, -25.53], [127.177, -25.677], [127.03, -26.03], [126.5, -26.25], [126.25, -26.146], [126.0, -26.25], [125.75, -26.146], [125.5, -26.25], [125.25, -26.146], [125.0, -26.25], [124.75, -26.146], [124.5, -26.25], [123.97, -26.03], [123.823, -25.677], [123.75, -25.646], [123.5, -25.75], [122.97, -25.53]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-05-04T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[123.75, -25.646446609406727], [123.5, -25.75], [122.96966991411009, -25.53033008588991], [122.75, -25.0], [122.96966991411009, -24.46966991411009], [123.5, -24.25], [123.75, -24.353553390593273], [123.82322330470336, -24.32322330470336], [123.96966991411009, -23.96966991411009], [124.32322330470336, -23.82322330470336], [124.46966991411009, -23.46966991411009], [125.0, -23.25], [125.53033008588991, -23.46966991411009], [125.69822330470336, -23.875], [126.0, -23.75], [126.25, -23.853553390593273], [126.5, -23.75], [127.03033008588991, -23.96966991411009], [127.17677669529664, -24.32322330470336], [127.53033008588991, -24.46966991411009], [127.75, -25.0], [127.53033008588991, -25.53033008588991], [127.17677669529664, -25.67677669529664], [127.03033008588991, -26.03033008588991], [126.5, -26.25], [126.25, -26.146446609406727], [126.0, -26.25], [125.75, -26.146446609406727], [125.5, -26.25], [125.25, -26.146446609406727], [125.0, -26.25], [124.75, -26.146446609406727], [124.5, -26.25], [123.96966991411009, -26.03033008588991], [123.82322330470336, -25.67677669529664], [123.75, -25.646446609406727]]]}, "2021-05-05T11:30:00.000000000": {"type": "Polygon", "coordinates": [[[123.75, -25.646446609406727], [123.5, -25.75], [122.96966991411009, -25.53033008588991], [122.75, -25.0], [122.96966991411009, -24.46966991411009], [123.5, -24.25], [123.75, -24.353553390593273], [123.82322330470336, -24.32322330470336], [123.96966991411009, -23.96966991411009], [124.32322330470336, -23.82322330470336], [124.46966991411009, -23.46966991411009], [125.0, -23.25], [125.53033008588991, -23.46966991411009], [125.69822330470336, -23.875], [126.0, -23.75], [126.25, -23.853553390593273], [126.5, -23.75], [127.03033008588991, -23.96966991411009], [127.17677669529664, -24.32322330470336], [127.53033008588991, -24.46966991411009], [127.75, -25.0], [127.53033008588991, -25.53033008588991], [127.17677669529664, -25.67677669529664], [127.03033008588991, -26.03033008588991], [126.5, -26.25], [126.25, -26.146446609406727], [126.0, -26.25], [125.75, -26.146446609406727], [125.5, -26.25], [125.25, 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27.49457865570338]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.7936608865482775, 4.954158381236397, 5.404377204524944]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.089252204704735, 5.708025525090989, 5.968128989188585]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4141445745494308, 1.5049333355133296, 1.6952935742274542]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4833646208261222, 1.7617590339349565, 1.8767927184256745]}}