{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:17:46.517435", "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": "2020-Aug-04_to_2020-Aug-06_145.5_-37.5"}, "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": 2020080000211}, "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": "August 04 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 06 2020"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 51870.80164915399}, "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": -37.5}, "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": 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": 144.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[143.97, -38.03], [143.75, -37.5], [143.97, -36.97], [144.5, -36.75], [144.75, -36.854], [144.823, -36.823], [144.854, -36.75], [144.75, -36.5], [144.97, -35.97], [145.5, -35.75], [145.75, -35.854], [146.0, -35.75], [146.25, -35.854], [146.323, -35.823], [146.47, -35.47], [147.0, -35.25], [147.302, -35.375], [147.47, -34.97], [148.0, -34.75], [148.53, -34.97], [148.75, -35.5], [148.646, -35.75], [148.75, -36.0], [148.573, -36.427], [149.0, -36.25], [149.53, -36.47], [149.75, -37.0], [149.53, -37.53], [149.177, -37.677], [149.03, -38.03], [148.5, -38.25], [148.25, -38.146], [148.0, -38.25], [147.5, -38.043], [147.0, -38.25], [146.75, -38.146], [146.5, -38.25], [146.25, -38.146], [146.177, -38.177], [146.03, -38.53], [145.5, -38.75], [144.97, -38.53], [144.823, -38.177], [144.75, -38.146], [144.5, -38.25], [143.97, -38.03]]]}}, "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": 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