{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:51:21.815742", "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-Feb-18_to_2023-Feb-21_120.0_-29.0"}, "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": 2023020002141}, "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": "February 18 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 21 2023"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 128920.92998024107}, "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": -29.0}, "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": 120.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "120.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 117.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 122.5}, "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": -27.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[116.97, -27.47], [117.5, -27.25], [118.03, -27.47], [118.18, -27.82], [118.25, -27.85], [118.38, -27.8], [118.25, 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[116.85, -29.25], [116.75, -29.0], [116.96, -28.5], [116.75, -28.0], [116.97, -27.47]]]]}}, "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": {"2023-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[118.25, -27.0], [118.47, -26.47], [119.0, -26.25], [119.25, -26.35], [119.5, -26.25], [120.03, -26.47], [120.25, -27.0], [120.15, -27.25], [120.18, -27.32], [120.53, -27.47], [120.75, -28.0], [120.65, -28.25], [120.68, -28.32], [121.03, -28.47], [121.25, -29.0], [121.03, -29.53], [120.5, -29.75], [120.25, -29.65], [120.0, -29.75], [119.47, -29.53], [119.32, -29.18], [118.97, -29.03], [118.75, -28.5], [118.85, -28.25], [118.82, -28.18], [118.47, -28.03], [118.25, -27.5], [118.35, -27.25], [118.25, -27.0]]]]}, "2023-02-19T11:30:00.000000000": {"type": 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evolution of mean t2m.", "value": [34.76352200548314, 34.39174573470103, 33.592030483982, 33.66460409363464]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.402161218380286, 36.75303284771479, 35.797997402641954, 34.78057003338199]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.802843812417313, 7.283041513858145, 6.6632487294568, 7.139054989581679]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.496186508851565, 9.269004911338754, 7.758381212011898, 10.21718536769464]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4135251191370204, 1.78442953784009, 1.6312764911572382, 1.7582653278608604]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5598251823809146, 2.144374557822229, 1.9373745191726712, 2.4743265142715134]}}