{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:10.325538", "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": "2015-Jun-21_to_2015-Jun-23_115.5_-32.5"}, "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": 2015060000770}, "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 21 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 23 2015"}, "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": 62956.38422763687}, "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": ["Indian Ocean"]}, "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": -32.5}, "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": 115.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "115.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 113.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 115.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -34.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.97, -30.47], [113.32, -30.32], [113.35, -30.25], [113.25, -30.0], [113.35, -29.75], [113.25, -29.5], [113.47, -28.97], [114.0, -28.75], [114.53, -28.97], [114.75, -29.5], [114.65, -29.75], [114.68, -29.82], [115.03, -29.97], [115.25, -30.5], [115.15, -30.75], [115.18, -30.82], [115.53, -30.97], [115.68, -31.32], [116.03, -31.47], [116.25, -32.0], [116.15, -32.25], [116.25, -32.5], [116.15, -32.75], [116.25, -33.0], [116.03, -33.53], [115.68, -33.68], [115.65, -33.75], [115.68, -33.82], [116.03, -33.97], [116.25, -34.5], [116.03, -35.03], [115.5, -35.25], [114.97, -35.03], [114.82, -34.68], [114.47, -34.53], [114.25, -34.0], [114.35, -33.75], [114.32, -33.68], [113.97, -33.53], [113.75, -33.0], [113.85, -32.75], [113.82, -32.68], [113.47, -32.53], [113.32, -32.18], [112.97, -32.03], [112.75, -31.5], [112.85, -31.25], [112.75, -31.0], [112.97, -30.47]]]]}, "2015-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.97, -30.47], [113.32, -30.32], [113.35, -30.25], [113.25, -30.0], [113.35, -29.75], [113.25, -29.5], [113.47, -28.97], [114.0, -28.75], [114.53, -28.97], [114.75, -29.5], [114.65, -29.75], [114.68, -29.82], [115.03, -29.97], [115.25, -30.5], [115.15, -30.75], [115.18, -30.82], [115.53, -30.97], [115.68, -31.32], [116.03, -31.47], [116.25, -32.0], [116.15, -32.25], [116.25, -32.5], [116.15, -32.75], [116.25, -33.0], [116.03, -33.53], [115.68, -33.68], [115.65, -33.75], [115.68, -33.82], [116.03, -33.97], [116.25, -34.5], [116.03, -35.03], [115.5, -35.25], [114.97, -35.03], [114.82, -34.68], [114.47, -34.53], [114.25, -34.0], [114.35, -33.75], [114.32, -33.68], [113.97, -33.53], [113.75, -33.0], [113.85, -32.75], [113.82, -32.68], [113.47, -32.53], [113.32, -32.18], [112.97, -32.03], [112.75, -31.5], [112.85, -31.25], [112.75, -31.0], [112.97, -30.47]]]]}, "2015-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[112.97, -30.47], [113.32, -30.32], [113.35, -30.25], [113.25, -30.0], [113.35, -29.75], [113.25, -29.5], [113.47, -28.97], [114.0, -28.75], [114.53, -28.97], [114.75, -29.5], [114.65, -29.75], [114.68, -29.82], [115.03, -29.97], [115.25, -30.5], [115.15, -30.75], [115.18, -30.82], [115.53, -30.97], [115.68, -31.32], [116.03, -31.47], [116.25, -32.0], [116.15, -32.25], [116.25, -32.5], [116.15, -32.75], [116.25, -33.0], [116.03, -33.53], [115.68, -33.68], [115.65, -33.75], [115.68, -33.82], [116.03, -33.97], [116.25, -34.5], [116.03, -35.03], [115.5, -35.25], [114.97, -35.03], [114.82, -34.68], [114.47, -34.53], [114.25, -34.0], [114.35, -33.75], [114.32, -33.68], [113.97, -33.53], [113.75, -33.0], [113.85, -32.75], [113.82, -32.68], [113.47, -32.53], [113.32, -32.18], [112.97, -32.03], [112.75, -31.5], [112.85, -31.25], [112.75, -31.0], [112.97, -30.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -3.12812068730733}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -2.295945544980114}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.865717195808088, 15.152191508821772, 14.935850035498163]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.555615469288625, 12.172130483791705, 12.394647447309751]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.4531044849932733, -2.137207031074084, -2.297525118872985]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-2.9799144460853313, -3.12812068730733, -3.005177413966237]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.875715799155346, -1.6306579585856806, -1.803460587310293]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.150621366343311, -2.2341650013336767, -2.238098047376108]}}