{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:13:42.474597", "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-09_to_2021-Sep-11_141.5_-32.5"}, "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": 2021090001741}, "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 09 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 11 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": 54583.47526231516}, "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": -32.5}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -34.0}, "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": [[[[139.25, -32.0], [139.47, -31.47], [140.0, -31.25], [140.53, -31.47], [140.68, -31.82], [140.75, -31.85], [140.82, -31.82], [140.97, -31.47], [141.5, -31.25], [141.75, -31.35], [142.0, -31.25], [142.25, -31.35], [142.5, -31.25], [142.75, -31.35], [143.0, -31.25], [143.53, -31.47], [143.75, -32.0], [143.65, -32.25], [143.75, -32.5], [143.53, -33.03], [143.0, -33.25], [142.75, -33.15], [142.5, -33.25], [142.25, -33.15], [142.18, -33.18], [142.15, -33.25], [142.18, -33.32], [142.53, -33.47], [142.75, -34.0], [142.53, -34.53], [142.0, -34.75], [141.75, -34.65], [141.5, -34.75], [140.97, -34.53], [140.82, -34.18], [140.75, -34.15], [140.5, -34.25], [139.97, -34.03], [139.82, -33.68], [139.47, -33.53], [139.25, -33.0], [139.35, -32.75], [139.25, -32.5], [139.35, -32.25], [139.25, -32.0]]]]}}, "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": {"2021-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.25, -32.5], [139.35, -32.25], [139.25, -32.0], [139.47, -31.47], [140.0, -31.25], [140.53, -31.47], [140.68, -31.82], [140.75, -31.85], [140.82, -31.82], [140.97, -31.47], [141.5, -31.25], [141.75, -31.35], [142.0, -31.25], [142.25, -31.35], [142.5, -31.25], [142.75, -31.35], [143.0, -31.25], [143.53, -31.47], [143.75, -32.0], [143.65, -32.25], [143.75, -32.5], [143.53, -33.03], [143.0, -33.25], [142.75, -33.15], [142.5, -33.25], [142.25, -33.15], [142.18, -33.18], [142.15, -33.25], [142.18, -33.32], [142.53, -33.47], [142.75, -34.0], [142.53, -34.53], [142.0, -34.75], [141.75, -34.65], [141.5, -34.75], [140.97, -34.53], [140.82, -34.18], [140.75, -34.15], [140.5, -34.25], [139.97, -34.03], [139.82, -33.68], [139.47, -33.53], [139.25, -33.0], [139.35, -32.75], [139.25, -32.5]]]]}, "2021-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.25, -32.5], [139.35, -32.25], [139.25, -32.0], [139.47, -31.47], [140.0, -31.25], [140.53, -31.47], [140.68, -31.82], [140.75, -31.85], [140.82, -31.82], [140.97, -31.47], [141.5, -31.25], [141.75, -31.35], [142.0, -31.25], [142.25, -31.35], [142.5, -31.25], [142.75, -31.35], [143.0, -31.25], [143.53, -31.47], [143.75, -32.0], [143.65, -32.25], [143.75, -32.5], [143.53, -33.03], [143.0, -33.25], [142.75, -33.15], [142.5, -33.25], [142.25, -33.15], [142.18, -33.18], [142.15, -33.25], [142.18, -33.32], [142.53, -33.47], [142.75, -34.0], [142.53, -34.53], [142.0, -34.75], [141.75, -34.65], [141.5, -34.75], [140.97, -34.53], [140.82, -34.18], [140.75, -34.15], [140.5, -34.25], [139.97, -34.03], [139.82, -33.68], [139.47, -33.53], [139.25, -33.0], [139.35, -32.75], [139.25, -32.5]]]]}, "2021-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.25, -32.5], [139.35, -32.25], [139.25, -32.0], [139.47, -31.47], [140.0, -31.25], [140.53, -31.47], [140.68, -31.82], [140.75, -31.85], [140.82, -31.82], [140.97, -31.47], [141.5, -31.25], [141.75, -31.35], [142.0, -31.25], [142.25, -31.35], [142.5, -31.25], [142.75, -31.35], [143.0, -31.25], [143.53, -31.47], [143.75, -32.0], [143.65, -32.25], [143.75, -32.5], [143.53, -33.03], [143.0, -33.25], [142.75, -33.15], [142.5, -33.25], [142.25, -33.15], [142.18, -33.18], [142.15, -33.25], [142.18, -33.32], [142.53, -33.47], [142.75, -34.0], [142.53, -34.53], [142.0, -34.75], [141.75, -34.65], [141.5, -34.75], [140.97, -34.53], [140.82, -34.18], [140.75, -34.15], [140.5, -34.25], [139.97, -34.03], [139.82, -33.68], [139.47, -33.53], [139.25, -33.0], [139.35, -32.75], [139.25, -32.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.477229504798629}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.812711943222942}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.956751925518233, 21.439306898296422, 20.924357166123002]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [19.881272284542604, 22.79670874885761, 22.781464738814634]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.5801755727403375, 6.779076420279753, 6.0788838366487346]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.305689672022822, 7.477229504798629, 7.156697394984349]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.492685195455788, 2.1390439674119546, 1.8137644007852562]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.711136720935814, 2.3433349768975114, 2.0568512637894036]}}