{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:05.932757", "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-Sep-08_to_2024-Sep-12_145.5_-25.0"}, "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": 2024090001312}, "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 08 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 12 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 79002.87860522585}, "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": -25.0}, "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": 145.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "145.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 141.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 147.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[145.75, -23.35], [146.0, -23.25], [146.53, -23.47], [146.68, -23.82], [147.03, -23.97], [147.18, -24.32], [147.25, -24.35], [147.5, -24.25], [148.03, -24.47], [148.25, -25.0], [148.03, -25.53], [147.68, -25.68], [147.53, -26.03], [147.0, -26.25], [146.75, -26.15], [146.5, -26.25], [145.97, -26.03], [145.82, -25.68], [145.75, -25.65], [145.5, -25.75], [145.0, -25.54], [144.5, -25.75], [143.97, -25.53], [143.75, -25.0], [143.85, -24.75], [143.82, -24.68], [143.75, -24.65], [143.5, -24.75], [142.97, -24.53], [142.82, -24.18], [142.47, -24.03], [142.32, -23.68], [142.25, -23.65], [142.0, -23.75], [141.75, -23.65], [141.5, -23.75], [140.97, -23.53], [140.75, -23.0], [140.97, -22.47], [141.32, -22.32], [141.47, -21.97], [141.82, -21.82], [141.97, -21.47], [142.5, -21.25], [143.03, -21.47], [143.25, -22.0], [143.07, -22.43], [143.5, -22.25], [144.03, -22.47], [144.18, -22.82], [144.53, -22.97], [144.68, -23.32], [144.75, -23.35], [145.0, -23.25], [145.25, -23.35], [145.5, -23.25], [145.75, -23.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "E.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, -24.53], [142.75, -24.0], [142.97, -23.47], [143.5, -23.25], [144.03, -23.47], [144.2, -23.87], [144.5, -23.75], [144.75, -23.85], [144.82, -23.82], [144.97, -23.47], [145.5, -23.25], [146.03, -23.47], [146.18, -23.82], [146.25, -23.85], [146.5, -23.75], [147.03, -23.97], [147.18, -24.32], [147.25, -24.35], [147.5, -24.25], [148.03, -24.47], [148.25, -25.0], [148.03, -25.53], [147.68, -25.68], [147.53, -26.03], [147.0, -26.25], [146.75, -26.15], [146.5, -26.25], [145.97, -26.03], [145.82, -25.68], [145.75, -25.65], [145.5, -25.75], [145.0, -25.54], [144.5, -25.75], [143.97, -25.53], [143.75, -25.0], [143.85, -24.75], [143.8, -24.62], [143.5, -24.75], [142.97, -24.53]]], [[[141.5, -23.75], [140.97, -23.53], [140.75, -23.0], [140.97, -22.47], [141.5, -22.25], [142.03, -22.47], [142.25, -23.0], [142.03, -23.53], [141.5, -23.75]]]]}, "2024-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.47, -21.97], [142.0, -21.75], [142.53, -21.97], [142.68, -22.32], [143.0, -22.46], [143.5, -22.25], [144.03, -22.47], [144.18, -22.82], [144.53, -22.97], [144.68, -23.32], [144.75, -23.35], [145.0, -23.25], [145.25, -23.35], [145.5, -23.25], [145.75, -23.35], [146.0, -23.25], [146.53, -23.47], [146.68, -23.82], [147.03, -23.97], [147.18, -24.32], [147.25, -24.35], [147.5, -24.25], [148.03, -24.47], [148.25, -25.0], [148.03, -25.53], [147.68, -25.68], [147.53, -26.03], [147.0, -26.25], [146.75, -26.15], [146.5, -26.25], [145.97, -26.03], [145.82, -25.68], [145.75, -25.65], [145.5, -25.75], [145.0, -25.54], [144.5, -25.75], [143.97, -25.53], [143.75, -25.0], [143.85, -24.75], [143.82, -24.68], [143.75, -24.65], [143.5, -24.75], [142.97, -24.53], [142.82, -24.18], [142.47, -24.03], [142.32, -23.68], [142.25, 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anomaly over entire duration", "value": 4.420002184071896}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [23.25296681722017, 24.095406916112154, 25.098174031575525, 24.522067006429097, 25.63736156887478]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [25.480877176920615, 26.408542887369833, 27.163257853190146, 27.152722930908226, 26.667363739013695]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.337675724409657, 4.12972958095861, 4.9739563834949445, 4.275690046123101, 3.648204156530369]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.208666019142072, 4.635432793204359, 5.938724640573582, 5.0469229528966935, 3.9627755170118917]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5217880250446265, 1.4559988242698383, 1.7314315919838668, 1.443342096885425, 1.2686450222993164]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.724277970082834, 1.74428788400082, 1.981676898707214, 1.660581064028444, 1.4158939687279593]}}