{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:20.872148", "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": "2021-Sep-07_to_2021-Sep-09_121.0_-31.5"}, "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": 2021090001450}, "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 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 09 2021"}, "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": 73911.63101218408}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "S.Australia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Australia"]}, "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": -31.5}, "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": 121.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "121.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 117.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 123.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.25, -29.0], [117.47, -28.47], [118.0, -28.25], [118.53, -28.47], [118.68, -28.82], [119.03, -28.97], [119.18, -29.32], [119.25, -29.35], [119.5, -29.25], [120.03, -29.47], [120.18, -29.82], [120.25, -29.85], [120.5, -29.75], [121.03, -29.97], [121.18, -30.32], [121.53, -30.47], [121.68, -30.82], [121.75, -30.85], [122.0, -30.75], [122.53, -30.97], [122.68, -31.32], [123.03, -31.47], [123.18, -31.82], [123.53, -31.97], [123.75, -32.5], [123.53, -33.03], [123.0, -33.25], [122.75, -33.15], [122.68, -33.18], [122.53, -33.53], [122.0, -33.75], [121.47, -33.53], [121.32, -33.18], [121.25, -33.15], [121.0, -33.25], [120.47, -33.03], [120.32, -32.68], [120.25, -32.65], [120.0, -32.75], [119.47, -32.53], [119.25, -32.0], [119.35, -31.75], [119.32, -31.68], [118.97, -31.53], [118.82, -31.18], [118.47, -31.03], [118.25, -30.5], [118.35, -30.25], [118.32, -30.18], [117.97, -30.03], [117.82, -29.68], [117.47, -29.53], [117.25, -29.0]]]]}, "2021-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.25, -29.0], [117.47, -28.47], [118.0, -28.25], [118.53, -28.47], [118.68, -28.82], [119.03, -28.97], [119.18, -29.32], [119.25, -29.35], [119.5, -29.25], [120.03, -29.47], [120.18, -29.82], [120.25, -29.85], [120.5, -29.75], [121.03, -29.97], [121.18, -30.32], [121.53, -30.47], [121.68, -30.82], [121.75, -30.85], [122.0, -30.75], [122.53, -30.97], [122.68, -31.32], [123.03, -31.47], [123.18, -31.82], [123.53, -31.97], [123.75, -32.5], [123.53, -33.03], [123.0, -33.25], [122.75, -33.15], [122.68, -33.18], [122.53, -33.53], [122.0, -33.75], [121.47, -33.53], [121.32, -33.18], [121.25, -33.15], [121.0, -33.25], [120.47, -33.03], [120.32, -32.68], [120.25, -32.65], [120.0, -32.75], [119.47, -32.53], [119.25, -32.0], [119.35, -31.75], [119.32, -31.68], [118.97, -31.53], [118.82, -31.18], [118.47, -31.03], [118.25, -30.5], [118.35, -30.25], [118.32, -30.18], [117.97, -30.03], [117.82, -29.68], [117.47, -29.53], [117.25, -29.0]]]]}, "2021-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[117.25, -29.0], [117.47, -28.47], [118.0, -28.25], [118.53, -28.47], [118.68, -28.82], [119.03, -28.97], [119.18, -29.32], [119.25, -29.35], [119.5, -29.25], [120.03, -29.47], [120.18, -29.82], [120.25, -29.85], [120.5, -29.75], [121.03, -29.97], [121.18, -30.32], [121.53, -30.47], [121.68, -30.82], [121.75, -30.85], [122.0, -30.75], [122.53, -30.97], [122.68, -31.32], [123.03, -31.47], [123.18, -31.82], [123.53, -31.97], [123.75, -32.5], [123.53, -33.03], [123.0, -33.25], [122.75, -33.15], [122.68, -33.18], [122.53, -33.53], [122.0, -33.75], [121.47, -33.53], [121.32, -33.18], [121.25, -33.15], [121.0, -33.25], [120.47, -33.03], [120.32, -32.68], [120.25, -32.65], [120.0, -32.75], [119.47, -32.53], [119.25, -32.0], [119.35, -31.75], [119.32, -31.68], [118.97, -31.53], [118.82, -31.18], [118.47, -31.03], [118.25, -30.5], [118.35, -30.25], [118.32, -30.18], [117.97, -30.03], [117.82, -29.68], [117.47, -29.53], [117.25, -29.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.9560943446189185}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.579398263974925}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [18.757068423024123, 20.0572121711499, 19.03767267748674]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.41715786835971, 21.209299169719372, 21.00674927217443]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.192191647981711, 6.373095487735646, 5.172907656207416]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.9324492380197285, 6.9560943446189185, 6.911519834899877]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.733071933556115, 2.112625509802432, 1.7075264878951715]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0504775063446954, 2.3963122704032225, 2.201549818405549]}}