{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:57:39.469186", "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-Feb-17_to_2024-Feb-22_135.0_-28.0"}, "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": 2024020001535}, "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": "February 17 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 22 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": 173135.96708251693}, "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": -28.0}, "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": 135.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 141.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -32.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -26.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[140.0, -29.75], [140.53, -29.97], [140.68, -30.32], [140.75, -30.35], [141.0, -30.25], [141.25, -30.35], [141.5, -30.25], [142.03, -30.47], [142.25, -31.0], [142.03, -31.53], [141.5, -31.75], [141.25, -31.65], [141.18, -31.68], [141.03, -32.03], [140.68, -32.18], [140.53, -32.53], [140.0, -32.75], [139.75, -32.65], [139.5, -32.75], [138.97, -32.53], [138.75, -32.0], [138.85, -31.75], [138.82, -31.68], [138.47, -31.53], [138.32, -31.18], [138.25, -31.15], [138.0, -31.25], [137.47, -31.03], [137.32, -30.68], [136.97, -30.53], [136.82, -30.18], [136.75, -30.15], [136.5, -30.25], [136.25, -30.15], [136.0, -30.25], [135.75, -30.15], [135.5, -30.25], [134.97, -30.03], [134.82, -29.68], [134.47, -29.53], [134.25, -29.0], [134.35, -28.75], [134.25, -28.5], [134.35, -28.25], [134.32, -28.18], [134.25, -28.15], [134.0, -28.25], [133.47, -28.03], [133.32, -27.68], [132.97, -27.53], [132.75, -27.0], [132.97, -26.47], [133.5, -26.25], [133.75, -26.35], [133.82, -26.32], [133.97, -25.97], [134.5, -25.75], [134.75, -25.85], [135.0, -25.75], [135.53, -25.97], [135.68, -26.32], [135.75, -26.35], [136.0, -26.25], [136.25, -26.35], [136.32, -26.32], [136.47, -25.97], [137.0, -25.75], [137.53, -25.97], [137.68, -26.32], [138.03, -26.47], [138.25, -27.0], [138.15, -27.25], [138.18, -27.32], [138.25, -27.35], [138.5, -27.25], [139.03, -27.47], [139.25, -28.0], [139.15, -28.25], [139.25, -28.5], [139.15, -28.75], [139.25, -29.0], [139.15, -29.25], [139.18, -29.32], [139.53, -29.47], [139.68, -29.82], [139.75, -29.85], [140.0, -29.75]]]]}}, "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": {"2024-02-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.25, -27.0], [133.47, -26.47], [133.82, -26.32], [133.97, -25.97], [134.5, -25.75], [134.75, -25.85], [135.0, -25.75], [135.53, -25.97], [135.68, -26.32], [135.75, -26.35], [136.0, -26.25], [136.25, -26.35], [136.32, -26.32], [136.47, -25.97], [137.0, -25.75], [137.53, -25.97], [137.68, -26.32], [138.03, -26.47], [138.25, -27.0], [138.15, -27.25], [138.18, -27.32], [138.25, -27.35], [138.5, -27.25], [139.03, -27.47], [139.25, -28.0], [139.15, -28.25], [139.25, -28.5], [139.15, -28.75], [139.25, -29.0], [139.15, -29.25], [139.18, -29.32], [139.53, -29.47], [139.75, -30.0], [139.53, -30.53], [139.18, -30.68], [139.03, -31.03], [138.5, -31.25], [138.25, -31.15], [138.0, -31.25], [137.47, -31.03], [137.32, -30.68], [136.97, -30.53], [136.82, -30.18], [136.75, -30.15], [136.5, -30.25], [136.25, -30.15], [136.0, -30.25], [135.75, -30.15], [135.5, -30.25], [134.97, -30.03], [134.82, -29.68], [134.47, -29.53], [134.25, -29.0], [134.35, -28.75], [134.25, -28.5], [134.35, -28.25], [134.32, -28.18], [134.25, -28.15], [134.0, -28.25], [133.47, -28.03], [133.25, -27.5], [133.35, -27.25], [133.25, -27.0]]]]}, "2024-02-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -27.53], [132.75, -27.0], [132.97, -26.47], [133.5, -26.25], [133.75, -26.35], [133.82, -26.32], [133.97, -25.97], [134.5, -25.75], [134.75, -25.85], [135.0, -25.75], [135.53, -25.97], [135.68, -26.32], [135.75, -26.35], [136.0, -26.25], [136.25, -26.35], [136.32, -26.32], [136.47, -25.97], [137.0, -25.75], [137.53, -25.97], [137.68, -26.32], [138.03, -26.47], [138.25, -27.0], [138.15, -27.25], [138.18, -27.32], [138.25, -27.35], [138.5, -27.25], [139.03, -27.47], [139.25, -28.0], [139.15, -28.25], [139.25, -28.5], [139.15, -28.75], [139.25, -29.0], [139.15, -29.25], [139.18, -29.32], [139.53, -29.47], [139.75, -30.0], [139.53, -30.53], [139.18, -30.68], [139.03, -31.03], [138.5, -31.25], [138.25, -31.15], [138.0, -31.25], [137.47, -31.03], [137.32, -30.68], [136.97, -30.53], [136.82, -30.18], [136.75, -30.15], [136.5, -30.25], [136.25, -30.15], [136.0, -30.25], [135.75, -30.15], [135.5, -30.25], [134.97, -30.03], [134.82, -29.68], [134.47, -29.53], [134.25, -29.0], [134.35, -28.75], [134.25, -28.5], [134.35, -28.25], [134.32, -28.18], [134.25, -28.15], [134.0, -28.25], [133.47, -28.03], [133.32, -27.68], [132.97, -27.53]]]]}, "2024-02-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -27.53], [132.75, -27.0], [132.97, -26.47], [133.5, -26.25], [133.75, -26.35], [133.82, -26.32], [133.97, -25.97], [134.5, -25.75], [134.75, -25.85], [135.0, -25.75], [135.53, -25.97], [135.68, -26.32], [135.75, -26.35], [136.0, -26.25], [136.25, -26.35], [136.32, -26.32], [136.47, -25.97], [137.0, -25.75], [137.53, -25.97], [137.68, -26.32], [138.03, -26.47], [138.25, -27.0], [138.15, -27.25], [138.18, -27.32], [138.25, -27.35], [138.5, -27.25], [139.03, -27.47], [139.25, -28.0], [139.15, -28.25], [139.25, -28.5], [139.15, -28.75], [139.25, -29.0], [139.15, -29.25], [139.18, -29.32], [139.53, -29.47], [139.75, -30.0], [139.53, -30.53], [139.18, -30.68], [139.03, -31.03], [138.5, -31.25], [138.25, -31.15], [138.0, -31.25], [137.47, -31.03], [137.32, -30.68], [136.97, -30.53], [136.82, -30.18], [136.75, -30.15], [136.5, -30.25], [136.25, -30.15], [136.0, -30.25], [135.75, -30.15], [135.5, -30.25], [134.97, -30.03], [134.82, -29.68], [134.47, -29.53], [134.25, -29.0], [134.35, -28.75], [134.25, -28.5], [134.35, -28.25], [134.32, -28.18], [134.25, -28.15], [134.0, -28.25], [133.47, -28.03], [133.32, -27.68], [132.97, -27.53]]]]}, "2024-02-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.35, -30.25], [138.25, -30.0], [138.47, -29.47], [139.0, -29.25], [139.53, -29.47], [139.68, -29.82], [139.75, -29.85], [140.0, -29.75], [140.53, -29.97], [140.68, -30.32], [140.75, -30.35], [141.0, -30.25], [141.25, -30.35], [141.5, -30.25], [142.03, -30.47], [142.25, -31.0], [142.03, -31.53], [141.5, -31.75], [141.25, -31.65], [141.18, -31.68], [141.03, -32.03], [140.68, -32.18], [140.53, -32.53], [140.0, -32.75], [139.75, -32.65], [139.5, -32.75], [138.97, -32.53], [138.75, -32.0], [138.85, -31.75], [138.82, -31.68], [138.47, -31.53], [138.25, -31.0], [138.35, -30.75], [138.25, -30.5], [138.35, -30.25]]], [[[132.75, -27.0], [132.97, -26.47], [133.5, -26.25], [133.75, -26.35], [134.0, -26.25], [134.53, -26.47], [134.68, -26.82], [134.75, -26.85], [135.0, -26.75], [135.53, -26.97], [135.68, -27.32], [135.75, -27.35], [136.0, -27.25], [136.25, -27.35], [136.5, -27.25], [137.03, -27.47], [137.2, -27.87], [137.5, -27.75], [138.03, -27.97], [138.25, -28.5], [138.03, -29.03], [137.5, -29.25], [136.97, -29.03], [136.8, -28.62], [136.68, -28.68], [136.53, -29.03], [136.0, -29.25], [135.47, -29.03], [135.32, -28.68], [135.25, -28.65], [135.0, -28.75], [134.47, -28.53], [134.32, -28.18], [134.25, -28.15], [134.0, -28.25], [133.47, -28.03], [133.32, -27.68], [132.97, -27.53], [132.75, -27.0]]]]}, "2024-02-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.47, -29.97], [139.0, -29.75], [139.25, -29.85], [139.5, -29.75], [139.75, -29.85], [140.0, -29.75], [140.53, -29.97], [140.68, -30.32], [140.75, -30.35], [141.0, -30.25], [141.25, -30.35], [141.5, -30.25], [142.03, -30.47], [142.25, -31.0], [142.03, -31.53], [141.5, -31.75], [141.25, -31.65], [141.18, -31.68], [141.03, -32.03], [140.68, -32.18], [140.53, -32.53], [140.0, -32.75], [139.75, -32.65], [139.5, -32.75], [138.97, -32.53], [138.75, -32.0], [138.85, -31.75], [138.82, -31.68], [138.47, -31.53], [138.25, -31.0], [138.35, -30.75], [138.25, -30.5], [138.47, -29.97]]], [[[133.5, -27.75], [132.97, -27.53], [132.75, -27.0], [132.97, -26.47], [133.5, -26.25], [134.03, -26.47], [134.25, -27.0], [134.03, -27.53], [133.5, -27.75]]]]}, "2024-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[138.25, -30.5], [138.47, -29.97], [139.0, -29.75], [139.25, -29.85], [139.5, -29.75], [139.75, -29.85], [140.0, -29.75], [140.53, -29.97], [140.68, -30.32], [140.75, -30.35], [141.0, -30.25], [141.25, -30.35], [141.5, -30.25], [142.03, -30.47], [142.25, -31.0], [142.03, -31.53], [141.5, -31.75], [141.25, -31.65], [141.18, -31.68], [141.03, -32.03], [140.68, -32.18], [140.53, -32.53], [140.0, -32.75], [139.75, -32.65], [139.5, -32.75], [138.97, -32.53], [138.75, -32.0], [138.85, -31.75], [138.82, -31.68], [138.47, -31.53], [138.25, -31.0], [138.35, -30.75], [138.25, -30.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.936430064439264}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.015788452838256}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.42048736899875, 34.993837436319325, 34.42640674404595, 33.11698434480553, 32.92051776434562, 32.46785373454719]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [35.505485788864746, 35.870546847354774, 35.60221017207664, 34.626007786375055, 34.051540537892265, 34.410862522993455]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.67766921010896, 5.402605975912171, 4.899011132912029, 4.72935251178468, 5.516596605403151, 5.28477413406559]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.669626445570714, 6.806275198865251, 5.826492695046511, 5.405714209273015, 6.485945111245485, 6.936430064439264]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3314539098076386, 1.4928493696271812, 1.2926890309317296, 1.1995276782887228, 1.4097000521740293, 1.3878264693459668]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6082287934813055, 1.743435195397496, 1.5926956423649368, 1.3310678821924624, 1.7345941390905784, 1.8643372835143346]}}