{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:52.615328", "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": "2013-Jul-22_to_2013-Jul-24_144.0_-25.5"}, "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": 2013070001187}, "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": "July 22 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 24 2013"}, "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": 101404.87818236637}, "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"]}, "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": -25.5}, "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": 144.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 140.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 145.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -20.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -20.47], [140.5, -20.25], [141.03, -20.47], [141.25, -21.0], [141.15, -21.25], [141.18, -21.32], [141.25, -21.35], [141.5, -21.25], [142.03, -21.47], [142.18, -21.82], [142.53, -21.97], [142.68, -22.32], [142.75, -22.35], [143.0, -22.25], [143.53, -22.47], [143.75, -23.0], [143.65, -23.25], [143.68, -23.32], [144.03, -23.47], [144.18, -23.82], [144.25, -23.85], [144.5, -23.75], [145.03, -23.97], [145.18, -24.32], [145.25, -24.35], [145.5, -24.25], [146.03, -24.47], [146.25, -25.0], [146.03, -25.53], [145.68, -25.68], [145.65, -25.75], [145.75, -26.0], [145.53, -26.53], [145.18, -26.68], [145.15, -26.75], [145.25, -27.0], [145.03, -27.53], [144.5, -27.75], [143.97, -27.53], [143.82, -27.18], [143.47, -27.03], [143.25, -26.5], [143.35, -26.25], [143.32, -26.18], [142.97, -26.03], [142.75, -25.5], [142.85, -25.25], [142.82, -25.18], [142.47, -25.03], [142.32, -24.68], [142.0, -24.54], [141.5, -24.75], [140.97, -24.53], [140.75, -24.0], [140.85, -23.75], [140.82, -23.68], [140.47, -23.53], [140.25, -23.0], [140.46, -22.5], [140.32, -22.18], [139.97, -22.03], [139.75, -21.5], [139.85, -21.25], [139.75, -21.0], [139.97, -20.47]]]]}, "2013-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -20.47], [140.5, -20.25], [141.03, -20.47], [141.25, -21.0], [141.15, -21.25], [141.18, -21.32], [141.25, -21.35], [141.5, -21.25], [142.03, -21.47], [142.18, -21.82], [142.53, -21.97], [142.68, -22.32], [142.75, -22.35], [143.0, -22.25], [143.53, -22.47], [143.75, -23.0], [143.65, -23.25], [143.68, -23.32], [144.03, -23.47], [144.18, -23.82], [144.25, -23.85], [144.5, -23.75], [145.03, -23.97], [145.18, -24.32], [145.25, -24.35], [145.5, -24.25], [146.03, -24.47], [146.25, -25.0], [146.03, -25.53], [145.68, -25.68], [145.65, -25.75], [145.75, -26.0], [145.53, -26.53], [145.18, -26.68], [145.15, -26.75], [145.25, -27.0], [145.03, -27.53], [144.5, -27.75], [143.97, -27.53], [143.82, -27.18], [143.47, -27.03], [143.25, -26.5], [143.35, -26.25], [143.32, -26.18], [142.97, -26.03], [142.75, -25.5], [142.85, -25.25], [142.82, -25.18], [142.47, -25.03], [142.32, -24.68], [142.0, -24.54], [141.5, -24.75], [140.97, -24.53], [140.75, -24.0], [140.85, -23.75], [140.82, -23.68], [140.47, -23.53], [140.25, -23.0], [140.46, -22.5], [140.32, -22.18], [139.97, -22.03], [139.75, -21.5], [139.85, -21.25], [139.75, -21.0], [139.97, -20.47]]]]}, "2013-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[139.97, -20.47], [140.5, -20.25], [141.03, -20.47], [141.25, -21.0], [141.15, -21.25], [141.18, -21.32], [141.25, -21.35], [141.5, -21.25], [142.03, -21.47], [142.18, -21.82], [142.53, -21.97], [142.68, -22.32], [142.75, -22.35], [143.0, -22.25], [143.53, -22.47], [143.75, -23.0], [143.65, -23.25], [143.68, -23.32], [144.03, -23.47], [144.18, -23.82], [144.25, -23.85], [144.5, -23.75], [145.03, -23.97], [145.18, -24.32], [145.25, -24.35], [145.5, -24.25], [146.03, -24.47], [146.25, -25.0], [146.03, -25.53], [145.68, -25.68], [145.65, -25.75], [145.75, -26.0], [145.53, -26.53], [145.18, 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11.362534649428312]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.780195256562251, 9.893955918760867, 9.318144930442429]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.542862007852664, -4.152075115670077, -4.397820797170155]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.258605092194557, -4.712710564205963, -4.799662474114996]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5069421126312297, -1.4026367400010458, -1.525156820873014]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.7007842542806995, -1.611779761085036, -1.6407959917873511]}}