{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:34.502885", "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": "2024-Dec-08_to_2024-Dec-13_125.5_-29.5"}, "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": 2024120001349}, "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 08 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 13 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 127230.27290986759}, "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": -29.5}, "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": 125.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 124.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 128.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -30.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -27.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[123.35, -28.75], [123.25, -28.5], [123.35, -28.25], [123.25, -28.0], [123.47, -27.47], [124.0, -27.25], [124.25, 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describing the boundary of the event at each time step", "value": {"2024-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, -29.53], [123.75, -29.0], [123.97, -28.47], [124.32, -28.32], [124.47, -27.97], [125.0, -27.75], [125.25, -27.85], [125.32, -27.82], [125.47, -27.47], [126.0, -27.25], [126.25, -27.35], [126.5, -27.25], [127.03, -27.47], [127.25, -28.0], [127.15, -28.25], [127.25, -28.5], [127.15, -28.75], [127.25, -29.0], [127.03, -29.53], [126.68, -29.68], [126.53, -30.03], [126.18, -30.18], [126.03, -30.53], [125.5, -30.75], [124.97, -30.53], [124.82, -30.18], [124.47, -30.03], [124.32, -29.68], [123.97, -29.53]]]]}, "2024-12-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.97, -29.53], [123.75, -29.0], [123.97, -28.47], [124.32, -28.32], [124.35, -28.25], [124.25, -28.0], [124.47, -27.47], [125.0, -27.25], [125.25, -27.35], [125.5, -27.25], [125.75, -27.35], [126.0, -27.25], [126.25, -27.35], [126.5, -27.25], [127.03, -27.47], 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10.21947840418045}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.151651644980315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.172709740532753, 33.159895126908, 30.972008994773546, 31.276634416512593, 32.68269438506866, 33.770443866269886]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.070002492268884, 34.010322825113974, 31.985576883951865, 33.35984827677413, 34.54325892130538, 35.88353118896487]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.420000115333509, 8.281078092795761, 5.96291252358191, 6.224603568274805, 7.322298596668414, 8.164274069342323]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.004014995882244, 9.258797503806079, 6.513581369742383, 7.090322361110452, 8.681915322847829, 10.21947840418045]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.53546946609737, 1.9698097112690798, 1.4410429725479093, 1.4863909374172173, 1.684622931113701, 1.8490286836724146]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6304703735665633, 2.279600422510102, 1.573251186560287, 1.655129576924207, 1.99607708660379, 2.425756798828985]}}