{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:06.214948", "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": "2025-Dec-18_to_2025-Dec-20_132.5_-25.5"}, "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": 2025120001957}, "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": "December 18 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 20 2025"}, "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": 55829.71228445838}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": -25.5}, "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": 132.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 129.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 133.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -24.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-12-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, -23.97], [130.0, -23.75], [130.25, -23.85], [130.5, -23.75], [130.75, -23.85], [131.0, -23.75], [131.5, -23.96], [132.0, -23.75], [132.53, -23.97], [132.75, -24.5], [132.65, -24.75], [132.68, -24.82], [133.03, -24.97], [133.25, -25.5], [133.15, -25.75], [133.18, -25.82], [133.53, -25.97], [133.75, -26.5], [133.65, -26.75], [133.75, -27.0], [133.53, -27.53], [133.0, -27.75], [132.47, -27.53], [132.32, -27.18], [131.97, -27.03], [131.82, -26.68], [131.75, -26.65], [131.5, -26.75], [130.97, -26.53], [130.82, -26.18], [130.75, -26.15], [130.5, -26.25], [129.97, -26.03], [129.82, -25.68], [129.47, -25.53], [129.25, -25.0], [129.35, -24.75], [129.25, -24.5], [129.47, -23.97]]]]}, "2025-12-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, -23.97], [130.0, -23.75], [130.25, -23.85], [130.5, -23.75], [130.75, -23.85], [131.0, -23.75], [131.5, -23.96], [132.0, -23.75], [132.53, -23.97], [132.75, -24.5], [132.65, -24.75], [132.68, -24.82], [133.03, -24.97], [133.25, -25.5], [133.15, -25.75], [133.18, -25.82], [133.53, -25.97], [133.75, -26.5], [133.65, -26.75], [133.75, -27.0], [133.53, -27.53], [133.0, -27.75], [132.47, -27.53], [132.32, -27.18], [131.97, -27.03], [131.82, -26.68], [131.75, -26.65], [131.5, -26.75], [130.97, -26.53], [130.82, -26.18], [130.75, -26.15], [130.5, -26.25], [129.97, -26.03], [129.82, -25.68], [129.47, -25.53], [129.25, -25.0], [129.35, -24.75], [129.25, -24.5], [129.47, -23.97]]]]}, "2025-12-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, -23.97], [130.0, -23.75], [130.25, -23.85], [130.5, -23.75], [130.75, -23.85], [131.0, -23.75], [131.5, -23.96], [132.0, -23.75], [132.53, -23.97], [132.75, -24.5], [132.65, -24.75], [132.68, -24.82], [133.03, -24.97], [133.25, -25.5], [133.15, -25.75], [133.18, -25.82], [133.53, -25.97], [133.75, -26.5], [133.65, -26.75], [133.75, -27.0], [133.53, -27.53], [133.0, -27.75], [132.47, -27.53], [132.32, -27.18], [131.97, -27.03], [131.82, -26.68], [131.75, -26.65], [131.5, -26.75], [130.97, -26.53], [130.82, -26.18], [130.75, -26.15], [130.5, -26.25], [129.97, -26.03], [129.82, -25.68], [129.47, -25.53], [129.25, -25.0], [129.35, -24.75], [129.25, -24.5], [129.47, -23.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.3860609102789}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.477969831485368}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [33.72575251261395, 34.49132817586269, 33.86202570597334]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [34.44851455688479, 35.310745493571005, 34.81121597290041]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.285596461961314, 5.919920906339499, 5.228392126155294]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.005734520951194, 6.3860609102789, 5.8307983287964475]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3406718577638217, 1.52369889451307, 1.333889432813965]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4404931288270466, 1.6525007068551834, 1.4979542976580553]}}