{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:53:37.367865", "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": "2026-Jun-05_to_2026-Jun-07_138.5_-19.5"}, "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": 2026060000234}, "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": "June 05 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 07 2026"}, "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": 134861.89430657148}, "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", "N.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": -19.5}, "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": 138.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "138.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 135.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 140.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -23.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -19.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-06-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, -20.47], [135.5, -20.25], [135.8, -20.37], [135.97, -19.97], [136.32, -19.82], [136.47, -19.47], [137.0, -19.25], [137.3, -19.37], [137.47, -18.97], [138.0, -18.75], [138.25, -18.85], [138.5, -18.75], [139.03, -18.97], [139.25, -19.5], [139.03, -20.03], [138.68, -20.18], [138.65, -20.25], [138.75, -20.5], [138.65, -20.75], [138.68, -20.82], [139.03, -20.97], [139.18, -21.32], [139.25, -21.35], [139.32, -21.32], [139.47, -20.97], [140.0, -20.75], [140.53, -20.97], [140.75, -21.5], [140.65, -21.75], [140.68, -21.82], [141.03, -21.97], [141.25, -22.5], [141.15, -22.75], [141.25, -23.0], [141.03, -23.53], [140.5, -23.75], [140.25, -23.65], [140.18, -23.68], [140.03, -24.03], [139.5, -24.25], [139.25, -24.15], [139.0, -24.25], [138.47, -24.03], [138.32, -23.68], [138.25, -23.65], [138.0, -23.75], [137.75, -23.65], [137.5, -23.75], [136.97, -23.53], [136.82, -23.18], [136.75, -23.15], [136.5, -23.25], [135.97, -23.03], [135.82, -22.68], [135.47, -22.53], [135.32, -22.18], [134.97, -22.03], [134.75, -21.5], [134.85, -21.25], [134.75, -21.0], [134.97, -20.47]]]]}, "2026-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, -20.47], [135.5, -20.25], [135.8, -20.37], [135.97, -19.97], [136.32, -19.82], [136.47, -19.47], [137.0, -19.25], [137.3, -19.37], [137.47, -18.97], [138.0, -18.75], [138.25, -18.85], [138.5, -18.75], [139.03, -18.97], [139.25, -19.5], [139.03, -20.03], [138.68, -20.18], [138.65, -20.25], [138.75, -20.5], [138.65, -20.75], [138.68, -20.82], [139.03, -20.97], [139.18, -21.32], [139.25, -21.35], [139.32, -21.32], [139.47, -20.97], [140.0, -20.75], [140.53, -20.97], [140.75, -21.5], [140.65, -21.75], [140.68, -21.82], [141.03, -21.97], [141.25, -22.5], [141.15, -22.75], [141.25, -23.0], [141.03, -23.53], [140.5, -23.75], [140.25, -23.65], [140.18, -23.68], [140.03, -24.03], [139.5, -24.25], [139.25, -24.15], [139.0, -24.25], [138.47, -24.03], [138.32, -23.68], [138.25, -23.65], [138.0, -23.75], [137.75, -23.65], [137.5, -23.75], [136.97, -23.53], [136.82, -23.18], [136.75, -23.15], [136.5, -23.25], [135.97, -23.03], [135.82, -22.68], [135.47, -22.53], [135.32, -22.18], [134.97, -22.03], [134.75, -21.5], [134.85, -21.25], [134.75, -21.0], [134.97, -20.47]]]]}, "2026-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, -20.47], [135.5, -20.25], [135.8, -20.37], [135.97, -19.97], [136.32, -19.82], [136.47, -19.47], [137.0, -19.25], [137.3, -19.37], [137.47, -18.97], [138.0, -18.75], [138.25, -18.85], [138.5, -18.75], [139.03, -18.97], [139.25, -19.5], [139.03, -20.03], [138.68, -20.18], [138.65, -20.25], [138.75, -20.5], [138.65, -20.75], [138.68, -20.82], [139.03, -20.97], [139.18, -21.32], [139.25, -21.35], [139.32, -21.32], [139.47, -20.97], [140.0, -20.75], [140.53, -20.97], [140.75, -21.5], [140.65, -21.75], [140.68, -21.82], [141.03, -21.97], [141.25, -22.5], [141.15, -22.75], [141.25, -23.0], [141.03, -23.53], [140.5, -23.75], [140.25, -23.65], [140.18, -23.68], [140.03, -24.03], [139.5, -24.25], [139.25, -24.15], [139.0, -24.25], 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"Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.699217039177226, -5.780922570724647, -4.718508661272781]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.786764679070757, -6.279936448349019, -5.061541199072224]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.4290004921091422, -1.7292465505605248, -1.363210434116964]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.6953782340666477, -1.8817980038858078, -1.6089501586846322]}}