{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:05.705984", "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": "2012-Dec-11_to_2012-Dec-13_140.0_-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": 2012120001886}, "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 11 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 13 2012"}, "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": 69981.09539531052}, "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": ["S.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": -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": 140.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "140.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 137.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 141.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -35.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -31.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.97, -30.97], [137.5, -30.75], [137.75, -30.85], [138.0, -30.75], [138.25, -30.85], [138.5, -30.75], [139.0, -30.96], [139.5, -30.75], [140.03, -30.97], [140.25, -31.5], [140.15, -31.75], [140.25, -32.0], [140.15, -32.25], [140.25, -32.5], [140.13, -32.8], [140.53, -32.97], [140.7, -33.37], [141.0, -33.25], [141.53, -33.47], [141.75, -34.0], [141.53, -34.53], [141.18, -34.68], [141.15, -34.75], [141.25, -35.0], [141.15, -35.25], [141.25, -35.5], [141.03, -36.03], [140.5, -36.25], [139.97, -36.03], [139.75, -35.5], [139.85, -35.25], [139.82, -35.18], [139.47, -35.03], [139.32, -34.68], [139.25, -34.65], [139.0, -34.75], [138.47, -34.53], [138.32, -34.18], [137.97, -34.03], [137.82, -33.68], [137.47, -33.53], [137.25, -33.0], [137.35, -32.75], [137.32, -32.68], [136.97, -32.53], [136.75, -32.0], [136.85, -31.75], [136.75, -31.5], [136.97, -30.97]]]]}, "2012-12-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.97, -30.97], [137.5, -30.75], [137.75, -30.85], [138.0, -30.75], [138.25, -30.85], [138.5, -30.75], [139.0, -30.96], [139.5, -30.75], [140.03, -30.97], [140.25, -31.5], [140.15, -31.75], [140.25, -32.0], [140.15, -32.25], [140.25, -32.5], [140.13, -32.8], [140.53, -32.97], [140.7, -33.37], [141.0, -33.25], [141.53, -33.47], [141.75, -34.0], [141.53, -34.53], [141.18, -34.68], [141.15, -34.75], [141.25, -35.0], [141.15, -35.25], [141.25, -35.5], [141.03, -36.03], [140.5, -36.25], [139.97, -36.03], [139.75, -35.5], [139.85, -35.25], [139.82, -35.18], [139.47, -35.03], [139.32, -34.68], [139.25, -34.65], [139.0, -34.75], [138.47, -34.53], [138.32, -34.18], [137.97, -34.03], [137.82, -33.68], [137.47, -33.53], [137.25, -33.0], [137.35, -32.75], [137.32, -32.68], [136.97, -32.53], [136.75, -32.0], [136.85, -31.75], [136.75, -31.5], [136.97, -30.97]]]]}, "2012-12-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.97, -30.97], [137.5, -30.75], [137.75, -30.85], [138.0, -30.75], [138.25, -30.85], [138.5, -30.75], [139.0, -30.96], [139.5, -30.75], [140.03, -30.97], [140.25, -31.5], [140.15, -31.75], [140.25, -32.0], [140.15, -32.25], [140.25, -32.5], [140.13, -32.8], [140.53, -32.97], [140.7, -33.37], [141.0, -33.25], [141.53, -33.47], [141.75, -34.0], [141.53, -34.53], [141.18, -34.68], [141.15, -34.75], [141.25, -35.0], [141.15, -35.25], [141.25, -35.5], [141.03, -36.03], [140.5, -36.25], [139.97, -36.03], [139.75, -35.5], [139.85, -35.25], [139.82, -35.18], [139.47, -35.03], [139.32, -34.68], [139.25, -34.65], [139.0, -34.75], [138.47, -34.53], [138.32, -34.18], [137.97, -34.03], [137.82, -33.68], [137.47, -33.53], [137.25, -33.0], [137.35, -32.75], [137.32, -32.68], [136.97, -32.53], [136.75, -32.0], [136.85, -31.75], [136.75, -31.5], [136.97, -30.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.140832895886717}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.60427023487545}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.085006437036952, 30.88574799960287, 30.83818964738373]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.33119384705617, 33.80709132140669, 34.32667317554427]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.730870891483095, 8.232270280173143, 7.849669532970118]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.079673517514948, 11.140832895886717, 9.569923666862906]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.607339428378347, 1.9167421527320345, 1.7718635044116213]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7736981686452433, 2.329826515655727, 2.01103458110048]}}