{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:58.733495", "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": "2022-Jul-22_to_2022-Jul-24_131.5_-24.5"}, "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": 2022070002655}, "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": "July 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2022"}, "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": 73389.08123166047}, "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": -24.5}, "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": 131.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "131.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 127.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 132.0}, "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": -22.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[126.97, -21.97], [127.5, -21.75], [127.75, -21.85], [128.0, -21.75], [128.25, -21.85], [128.5, -21.75], [129.03, -21.97], [129.18, -22.32], [129.53, -22.47], [129.68, -22.82], [130.03, -22.97], [130.18, -23.32], [130.25, -23.35], [130.5, -23.25], [130.75, -23.35], [131.0, -23.25], [131.5, -23.46], [132.0, -23.25], [132.53, -23.47], [132.75, -24.0], [132.65, -24.25], [132.75, -24.5], [132.53, -25.03], [132.18, -25.18], [132.03, -25.53], [131.68, -25.68], [131.53, -26.03], [131.0, -26.25], [130.75, -26.15], [130.5, -26.25], [129.97, -26.03], [129.82, -25.68], [129.47, -25.53], [129.32, -25.18], [128.97, -25.03], [128.75, -24.5], [128.85, -24.25], [128.82, -24.18], [128.75, -24.15], [128.5, -24.25], [127.97, -24.03], [127.82, -23.68], [127.47, -23.53], [127.32, -23.18], [126.97, -23.03], [126.75, -22.5], [126.97, -21.97]]]]}}, "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": {"2022-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.97, -23.03], [126.75, -22.5], [126.97, -21.97], [127.5, -21.75], [127.75, -21.85], [128.0, -21.75], [128.25, -21.85], [128.5, -21.75], [129.03, -21.97], [129.18, -22.32], [129.53, -22.47], [129.68, -22.82], [130.03, -22.97], [130.18, -23.32], [130.25, -23.35], [130.5, -23.25], [130.75, -23.35], [131.0, -23.25], [131.5, -23.46], [132.0, -23.25], [132.53, -23.47], [132.75, -24.0], [132.65, -24.25], [132.75, -24.5], [132.53, -25.03], [132.18, -25.18], [132.03, -25.53], [131.68, -25.68], [131.53, -26.03], [131.0, -26.25], [130.75, -26.15], [130.5, -26.25], [129.97, -26.03], [129.82, -25.68], [129.47, -25.53], [129.32, -25.18], [128.97, -25.03], [128.75, -24.5], [128.85, -24.25], [128.82, -24.18], [128.75, -24.15], [128.5, -24.25], [127.97, -24.03], [127.82, -23.68], [127.47, -23.53], [127.32, -23.18], [126.97, -23.03]]]]}, "2022-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.97, 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4.898247586163917}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.941400602177964, 19.790575876413925, 19.40964008076969]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.879113154199615, 21.37247382435413, 21.285058173733375]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.54320261251158, 5.292298693039582, 4.859241452940589]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.54359368786703, 6.2112602952438465, 6.071048799551079]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.594022299641386, 1.89525762608176, 1.7260622415380422]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8352691182173229, 2.184728301014893, 2.0221172275828367]}}