{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:27.404220", "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-Sep-28_to_2023-Sep-30_133.0_-36.0"}, "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": 2023090002068}, "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 28 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 2023"}, "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": 50530.351805522085}, "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": -36.0}, "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": 133.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "133.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 135.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -36.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -34.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[131.47, -34.97], [132.0, -34.75], [132.25, -34.85], [132.32, -34.82], [132.35, -34.75], [132.25, -34.5], [132.47, -33.97], [132.82, -33.82], [132.97, -33.47], [133.5, -33.25], [134.03, -33.47], [134.18, -33.82], [134.25, -33.85], [134.5, -33.75], [135.03, -33.97], [135.18, -34.32], [135.25, -34.35], [135.5, -34.25], [136.03, -34.47], [136.25, -35.0], [136.03, -35.53], [135.68, -35.68], [135.53, -36.03], [135.0, -36.25], [134.75, -36.15], [134.5, -36.25], [134.25, -36.15], [134.18, -36.18], [134.03, -36.53], [133.5, -36.75], [133.25, -36.65], [133.0, -36.75], [132.75, -36.65], [132.5, -36.75], [131.97, -36.53], [131.82, -36.18], [131.47, -36.03], [131.25, -35.5], [131.47, -34.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-09-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.47, -36.03], [131.25, -35.5], [131.47, -34.97], [132.0, -34.75], [132.25, -34.85], [132.32, -34.82], [132.35, -34.75], [132.25, -34.5], [132.47, -33.97], [132.82, -33.82], [132.97, -33.47], [133.5, -33.25], [134.03, -33.47], [134.18, -33.82], [134.25, -33.85], [134.5, -33.75], [135.03, -33.97], [135.18, -34.32], [135.25, -34.35], [135.5, -34.25], [136.03, -34.47], [136.25, -35.0], [136.03, -35.53], [135.68, -35.68], [135.53, -36.03], [135.0, -36.25], [134.75, -36.15], [134.5, -36.25], [134.25, -36.15], [134.18, -36.18], [134.03, -36.53], [133.5, -36.75], [133.25, -36.65], [133.0, -36.75], [132.75, -36.65], [132.5, -36.75], [131.97, -36.53], [131.82, -36.18], [131.47, -36.03]]]]}, "2023-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.47, -36.03], [131.25, -35.5], [131.47, -34.97], [132.0, -34.75], [132.25, -34.85], [132.32, -34.82], [132.35, -34.75], [132.25, -34.5], [132.47, -33.97], [132.82, -33.82], [132.97, -33.47], [133.5, -33.25], [134.03, -33.47], [134.18, -33.82], [134.25, -33.85], [134.5, -33.75], [135.03, -33.97], [135.18, -34.32], [135.25, -34.35], [135.5, -34.25], [136.03, -34.47], [136.25, -35.0], [136.03, -35.53], [135.68, -35.68], [135.53, -36.03], [135.0, -36.25], [134.75, -36.15], [134.5, -36.25], [134.25, -36.15], [134.18, -36.18], [134.03, -36.53], [133.5, -36.75], [133.25, -36.65], [133.0, -36.75], [132.75, -36.65], [132.5, -36.75], [131.97, -36.53], [131.82, -36.18], [131.47, -36.03]]]]}, "2023-09-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.47, -36.03], [131.25, -35.5], [131.47, -34.97], [132.0, -34.75], [132.25, -34.85], [132.32, -34.82], [132.35, -34.75], [132.25, -34.5], [132.47, -33.97], [132.82, -33.82], [132.97, -33.47], [133.5, -33.25], [134.03, -33.47], [134.18, -33.82], [134.25, -33.85], [134.5, -33.75], [135.03, -33.97], [135.18, -34.32], [135.25, -34.35], [135.5, -34.25], [136.03, -34.47], [136.25, -35.0], [136.03, -35.53], [135.68, -35.68], [135.53, -36.03], [135.0, -36.25], [134.75, -36.15], [134.5, -36.25], [134.25, -36.15], [134.18, -36.18], [134.03, -36.53], [133.5, -36.75], [133.25, -36.65], [133.0, -36.75], [132.75, -36.65], [132.5, -36.75], [131.97, -36.53], [131.82, -36.18], [131.47, -36.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.392817893591541}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 2.677596625089017}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.959069814880422, 17.987042193963646, 16.31701976258114]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.732999776374356, 18.9555623954829, 17.575998287978905]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.944784201325183, 3.8872950926144427, 2.2007105813274253]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.2698395392707766, 4.392817893591541, 3.179767685327363]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3285555207936448, 2.628151367984493, 1.4801494769907735]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5075621793742926, 2.814994253557372, 1.8191823091748829]}}