{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:54:35.880217", "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": "2023-Jul-15_to_2023-Jul-20_141.5_-20.5"}, "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": 2023070002018}, "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": "July 15 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 20 2023"}, "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": 68879.26145802253}, "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": -20.5}, "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": 141.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "141.5\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": 144.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[140.97, -19.47], [141.5, -19.25], [141.75, -19.35], [142.0, -19.25], [142.53, -19.47], [142.68, -19.82], [142.75, -19.85], [143.0, -19.75], [143.53, -19.97], [143.75, -20.5], [143.65, -20.75], [143.75, -21.0], [143.65, -21.25], [143.75, -21.5], [143.65, -21.75], [143.68, -21.82], [144.03, -21.97], [144.18, -22.32], [144.53, -22.47], [144.68, -22.82], [145.03, -22.97], [145.25, -23.5], [145.15, -23.75], [145.25, -24.0], [145.03, -24.53], [144.5, -24.75], [144.25, -24.65], [144.0, -24.75], [143.47, -24.53], [143.25, -24.0], [143.35, -23.75], [143.25, -23.5], [143.35, -23.25], [143.32, -23.18], [143.25, -23.15], [143.0, -23.25], [142.75, -23.15], [142.5, -23.25], [142.25, -23.15], [142.0, -23.25], [141.47, -23.03], [141.25, -22.5], [141.46, -22.0], [141.32, -21.68], [140.97, -21.53], [140.75, -21.0], [140.85, -20.75], [140.75, -20.5], [140.85, -20.25], [140.75, -20.0], [140.97, -19.47]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "C.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.75, -20.5], [140.85, -20.25], [140.75, -20.0], [140.97, -19.47], [141.5, -19.25], [141.75, -19.35], [142.0, -19.25], [142.53, -19.47], [142.68, -19.82], [142.75, -19.85], [143.0, -19.75], [143.53, -19.97], [143.75, -20.5], [143.65, -20.75], [143.75, -21.0], [143.65, -21.25], [143.75, -21.5], [143.65, -21.75], [143.68, -21.82], [144.03, -21.97], [144.18, -22.32], [144.53, -22.47], [144.68, -22.82], [145.03, -22.97], [145.25, -23.5], [145.15, -23.75], [145.25, -24.0], [145.03, -24.53], [144.5, -24.75], [144.25, -24.65], [144.0, -24.75], [143.47, -24.53], [143.25, -24.0], [143.35, -23.75], [143.25, -23.5], [143.35, -23.25], [143.32, -23.18], [143.25, -23.15], [143.0, -23.25], [142.75, -23.15], [142.5, -23.25], [142.25, -23.15], [142.0, -23.25], [141.47, -23.03], [141.25, -22.5], [141.46, -22.0], [141.32, -21.68], [140.97, -21.53], [140.75, -21.0], [140.85, -20.75], [140.75, -20.5]]]]}, "2023-07-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.75, -20.5], [140.85, -20.25], [140.75, -20.0], [140.97, -19.47], [141.5, -19.25], [141.75, -19.35], [142.0, -19.25], [142.53, -19.47], [142.68, -19.82], [142.75, -19.85], [143.0, -19.75], [143.53, -19.97], [143.75, -20.5], [143.65, -20.75], [143.75, -21.0], [143.65, -21.25], [143.75, -21.5], [143.65, -21.75], [143.68, -21.82], [144.03, -21.97], [144.18, -22.32], [144.53, -22.47], [144.68, -22.82], [145.03, -22.97], [145.25, -23.5], [145.15, -23.75], [145.25, -24.0], [145.03, -24.53], [144.5, -24.75], [144.25, -24.65], [144.0, -24.75], [143.47, -24.53], [143.25, -24.0], [143.35, -23.75], [143.25, -23.5], [143.35, -23.25], [143.32, -23.18], [143.25, -23.15], [143.0, -23.25], [142.75, -23.15], [142.5, -23.25], [142.25, -23.15], [142.0, -23.25], [141.47, -23.03], [141.25, -22.5], [141.46, -22.0], [141.32, -21.68], [140.97, -21.53], [140.75, -21.0], [140.85, -20.75], 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"2023-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.75, -21.5], [141.93, -21.07], [141.5, -21.25], [140.97, -21.03], [140.75, -20.5], [140.97, -19.97], [141.5, -19.75], [142.03, -19.97], [142.25, -20.5], [142.07, -20.93], [142.5, -20.75], [143.03, -20.97], [143.25, -21.5], [143.15, -21.75], [143.25, -22.0], [143.03, -22.53], [142.5, -22.75], [141.97, -22.53], [141.75, -22.0], [141.85, -21.75], [141.75, -21.5]]]]}, "2023-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.97, -19.97], [141.5, -19.75], [142.03, -19.97], [142.25, -20.5], [142.03, -21.03], [141.5, -21.25], [140.97, -21.03], [140.75, -20.5], [140.97, -19.97]]]]}, "2023-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.97, -19.97], [141.5, -19.75], [142.03, -19.97], [142.25, -20.5], [142.03, -21.03], [141.5, -21.25], [140.97, -21.03], [140.75, -20.5], [140.97, -19.97]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.043719136419725}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.668670339693246}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [21.542554547258362, 22.039331674914877, 21.132836343837766, 20.997670468273668, 22.569748670286856, 22.835541049071992]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.61769915998366, 24.849941236472603, 22.787971199051583, 21.91483159177227, 22.569748670286856, 22.835541049071992]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.590406113894882, 5.165959518917501, 4.378410857671639, 3.9140951743758214, 4.217345960072066, 4.2933489015638315]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.05519651024548, 6.043719136419725, 4.835568765716289, 4.1052911969259185, 4.217345960072066, 4.2933489015638315]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5427318958872804, 1.7299506023697797, 1.44185645578467, 1.3306285716139994, 1.5297583040798046, 1.5696388952274314]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6780772083977715, 2.1401947167334376, 1.5942119103042995, 1.360964374274302, 1.5297583040798046, 1.5696388952274314]}}