{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:23.160234", "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-Jun-22_to_2022-Jun-24_124.0_-28.0"}, "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": 2022060002599}, "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 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 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": 85616.64678915186}, "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": -28.0}, "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": 124.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[120.97, -26.47], [121.38, -26.3], [121.32, -26.18], [120.97, -26.03], [120.75, -25.5], [120.97, -24.97], [121.5, -24.75], [122.03, -24.97], [122.18, -25.32], [122.25, -25.35], [122.5, -25.25], [122.75, -25.35], [123.0, -25.25], [123.25, -25.35], [123.32, -25.32], [123.47, -24.97], [124.0, -24.75], [124.53, -24.97], [124.68, -25.32], [124.75, -25.35], [125.0, -25.25], [125.25, -25.35], [125.5, -25.25], [126.03, -25.47], [126.25, -26.0], [126.15, -26.25], [126.25, -26.5], [126.15, -26.75], [126.25, -27.0], [126.15, -27.25], [126.25, -27.5], [126.15, -27.75], [126.25, -28.0], [126.03, -28.53], [125.5, -28.75], [125.0, -28.54], [124.5, -28.75], [124.25, -28.65], [124.0, -28.75], [123.47, -28.53], [123.25, -28.0], [123.35, -27.75], [123.32, -27.68], [123.25, -27.65], [123.0, -27.75], [122.75, -27.65], [122.68, -27.68], [122.53, -28.03], [122.0, -28.25], [121.47, -28.03], [121.32, -27.68], [120.97, -27.53], [120.75, -27.0], [120.97, -26.47]]]]}}, "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": {"2022-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, -27.53], [120.75, -27.0], [120.97, -26.47], [121.38, -26.3], [121.32, -26.18], [120.97, -26.03], [120.75, -25.5], [120.97, -24.97], [121.5, -24.75], [122.03, -24.97], [122.18, -25.32], [122.25, -25.35], [122.5, -25.25], [122.75, -25.35], [123.0, -25.25], [123.25, -25.35], [123.32, -25.32], [123.47, -24.97], [124.0, -24.75], [124.53, -24.97], [124.68, -25.32], [124.75, -25.35], [125.0, -25.25], [125.25, -25.35], [125.5, -25.25], [126.03, -25.47], [126.25, -26.0], [126.15, -26.25], [126.25, -26.5], [126.15, -26.75], [126.25, -27.0], [126.15, -27.25], [126.25, -27.5], [126.15, -27.75], [126.25, -28.0], [126.03, -28.53], [125.5, -28.75], [125.0, -28.54], [124.5, -28.75], [124.25, -28.65], [124.0, -28.75], [123.47, -28.53], [123.25, -28.0], [123.35, -27.75], [123.32, -27.68], [123.25, -27.65], [123.0, -27.75], [122.75, -27.65], [122.68, -27.68], [122.53, -28.03], [122.0, -28.25], [121.47, -28.03], [121.32, -27.68], [120.97, -27.53]]]]}, "2022-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, -27.53], [120.75, -27.0], [120.97, -26.47], [121.38, -26.3], [121.32, -26.18], [120.97, -26.03], [120.75, -25.5], [120.97, -24.97], [121.5, -24.75], [122.03, -24.97], [122.18, -25.32], [122.25, -25.35], [122.5, -25.25], [122.75, -25.35], [123.0, -25.25], [123.25, -25.35], [123.32, -25.32], [123.47, -24.97], [124.0, -24.75], [124.53, -24.97], [124.68, -25.32], [124.75, -25.35], [125.0, -25.25], [125.25, -25.35], [125.5, -25.25], [126.03, -25.47], [126.25, -26.0], [126.15, -26.25], [126.25, -26.5], [126.15, -26.75], [126.25, -27.0], [126.15, -27.25], [126.25, -27.5], [126.15, -27.75], [126.25, -28.0], [126.03, -28.53], [125.5, -28.75], [125.0, -28.54], [124.5, -28.75], [124.25, -28.65], [124.0, -28.75], [123.47, -28.53], [123.25, -28.0], [123.35, -27.75], [123.32, -27.68], [123.25, -27.65], [123.0, -27.75], [122.75, -27.65], [122.68, -27.68], [122.53, -28.03], [122.0, -28.25], [121.47, -28.03], [121.32, -27.68], [120.97, -27.53]]]]}, "2022-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[120.97, -27.53], [120.75, -27.0], [120.97, -26.47], [121.38, -26.3], [121.32, -26.18], [120.97, -26.03], [120.75, -25.5], [120.97, -24.97], [121.5, -24.75], [122.03, -24.97], [122.18, -25.32], [122.25, -25.35], [122.5, -25.25], [122.75, -25.35], [123.0, -25.25], [123.25, -25.35], [123.32, -25.32], [123.47, -24.97], [124.0, -24.75], [124.53, -24.97], [124.68, -25.32], [124.75, -25.35], [125.0, -25.25], [125.25, -25.35], [125.5, -25.25], [126.03, -25.47], [126.25, -26.0], [126.15, -26.25], [126.25, -26.5], [126.15, -26.75], [126.25, -27.0], [126.15, -27.25], [126.25, -27.5], [126.15, -27.75], [126.25, -28.0], [126.03, -28.53], [125.5, -28.75], [125.0, -28.54], [124.5, -28.75], [124.25, -28.65], [124.0, -28.75], [123.47, -28.53], [123.25, -28.0], [123.35, -27.75], [123.32, -27.68], [123.25, -27.65], [123.0, -27.75], [122.75, -27.65], [122.68, -27.68], [122.53, -28.03], [122.0, -28.25], [121.47, -28.03], [121.32, -27.68], [120.97, -27.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.766739980065552}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.083303384980069}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.24212582476156, 17.68131705410093, 17.065193005313745]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.103636446538133, 18.65568576866474, 18.06517399376702]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.010566995485432, 4.423909096543518, 3.8154340629112578]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.219182886990723, 5.766739980065552, 4.0746715689854796]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.470820492600687, 1.6212646560145128, 1.411317624016664]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8996447796534552, 2.196814076394291, 1.5507960920504047]}}