{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:41.002986", "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-Sep-08_to_2021-Sep-10_136.5_-34.5"}, "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": 2021090001671}, "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": "September 08 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 10 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": 76924.26392078676}, "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": -34.5}, "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": 136.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "136.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 137.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -35.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -32.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[131.97, -31.47], [132.5, -31.25], [132.75, -31.35], [133.0, -31.25], [133.25, -31.35], [133.5, -31.25], [134.03, -31.47], [134.18, -31.82], [134.53, -31.97], [134.75, -32.5], [134.65, -32.75], [134.68, -32.82], [135.03, -32.97], [135.18, -33.32], [135.53, -33.47], [135.75, -34.0], [135.65, -34.25], [135.7, -34.37], [135.82, -34.32], [135.97, -33.97], [136.32, -33.82], [136.47, -33.47], [137.0, -33.25], [137.53, -33.47], [137.75, -34.0], [137.65, -34.25], [137.75, -34.5], [137.65, -34.75], [137.75, -35.0], [137.65, -35.25], [137.75, -35.5], [137.53, -36.03], [137.0, -36.25], [136.75, -36.15], [136.5, -36.25], [136.25, -36.15], [136.0, -36.25], [135.75, -36.15], [135.5, -36.25], [134.97, -36.03], [134.82, -35.68], [134.75, -35.65], [134.5, -35.75], [133.97, -35.53], [133.75, -35.0], [133.85, -34.75], [133.82, -34.68], [133.75, -34.65], [133.5, -34.75], [132.97, -34.53], [132.75, -34.0], [132.85, -33.75], [132.82, -33.68], [132.47, -33.53], [132.25, -33.0], [132.35, -32.75], [132.32, -32.68], [131.97, -32.53], [131.75, -32.0], [131.97, -31.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -32.53], [131.75, -32.0], [131.97, -31.47], [132.5, -31.25], [132.75, -31.35], [133.0, -31.25], [133.25, -31.35], [133.5, -31.25], [134.03, -31.47], [134.18, -31.82], [134.53, -31.97], [134.75, -32.5], [134.65, -32.75], [134.68, -32.82], [135.03, -32.97], [135.18, -33.32], [135.53, -33.47], [135.75, -34.0], [135.65, -34.25], [135.7, -34.37], [135.82, -34.32], [135.97, -33.97], [136.32, -33.82], [136.47, -33.47], [137.0, -33.25], [137.53, -33.47], [137.75, -34.0], [137.65, -34.25], [137.75, -34.5], [137.65, -34.75], [137.75, -35.0], [137.65, -35.25], [137.75, -35.5], [137.53, -36.03], [137.0, -36.25], [136.75, -36.15], [136.5, -36.25], [136.25, -36.15], [136.0, -36.25], [135.75, -36.15], [135.5, -36.25], [134.97, -36.03], [134.82, -35.68], [134.75, -35.65], [134.5, -35.75], [133.97, -35.53], [133.75, -35.0], [133.85, -34.75], [133.82, -34.68], [133.75, -34.65], [133.5, -34.75], [132.97, -34.53], [132.75, -34.0], [132.85, -33.75], [132.82, -33.68], [132.47, -33.53], [132.25, -33.0], [132.35, -32.75], [132.32, -32.68], [131.97, -32.53]]]]}, "2021-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.97, -32.53], [131.75, -32.0], [131.97, -31.47], [132.5, -31.25], [132.75, -31.35], [133.0, -31.25], [133.25, -31.35], [133.5, -31.25], [134.03, -31.47], [134.18, -31.82], [134.53, -31.97], [134.75, -32.5], [134.65, -32.75], [134.68, -32.82], [135.03, -32.97], [135.18, -33.32], [135.53, -33.47], [135.75, -34.0], [135.65, -34.25], [135.7, -34.37], [135.82, -34.32], [135.97, -33.97], [136.32, -33.82], [136.47, -33.47], [137.0, -33.25], [137.53, -33.47], [137.75, -34.0], [137.65, -34.25], [137.75, -34.5], [137.65, -34.75], [137.75, -35.0], [137.65, -35.25], [137.75, 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-33.25], [137.53, -33.47], [137.75, -34.0], [137.65, -34.25], [137.75, -34.5], [137.65, -34.75], [137.75, -35.0], [137.65, -35.25], [137.75, -35.5], [137.53, -36.03], [137.0, -36.25], [136.75, -36.15], [136.5, -36.25], [136.25, -36.15], [136.0, -36.25], [135.75, -36.15], [135.5, -36.25], [134.97, -36.03], [134.82, -35.68], [134.75, -35.65], [134.5, -35.75], [133.97, -35.53], [133.75, -35.0], [133.85, -34.75], [133.82, -34.68], [133.75, -34.65], [133.5, -34.75], [132.97, -34.53], [132.75, -34.0], [132.85, -33.75], [132.82, -33.68], [132.47, -33.53], [132.25, -33.0], [132.35, -32.75], [132.32, -32.68], [131.97, -32.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.748247266335852}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.811970112265931}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.128329149844205, 17.323791234172575, 17.18033858513428]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.32818833042046, 20.70077462956897, 19.40730083382283]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7945340762032553, 2.895335449671785, 2.746040810922752]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.510603421657322, 5.748247266335852, 4.5013292241126805]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9145138947920084, 1.8595415733166292, 1.827289783744356]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.293094319853057, 2.226637556373234, 2.873591426376958]}}