{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:29.924714", "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": "2014-Oct-13_to_2014-Oct-15_140.0_-31.0"}, "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": 2014100000493}, "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": "October 13 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 15 2014"}, "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": 81593.12116891927}, "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": -31.0}, "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": 140.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "140.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 139.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -33.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -29.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.0, -29.75], [140.25, -29.85], [140.32, -29.82], [140.47, -29.47], [141.0, -29.25], [141.53, -29.47], [141.68, -29.82], [141.75, -29.85], [142.0, -29.75], [142.53, -29.97], [142.68, -30.32], [143.03, -30.47], [143.18, -30.82], [143.25, -30.85], [143.5, -30.75], [144.03, -30.97], [144.25, -31.5], [144.04, -32.0], [144.25, -32.5], [144.15, -32.75], [144.25, -33.0], [144.03, -33.53], [143.5, -33.75], [143.2, -33.62], [143.03, -34.03], [142.5, -34.25], [142.25, -34.15], [142.0, -34.25], [141.47, -34.03], [141.25, -33.5], [141.35, -33.25], [141.32, -33.18], [140.97, -33.03], [140.75, -32.5], [140.85, -32.25], [140.82, -32.18], [140.47, -32.03], [140.32, -31.68], [140.25, -31.65], [140.0, -31.75], [139.75, -31.65], [139.5, -31.75], [138.97, -31.53], [138.75, -31.0], [138.97, -30.47], [139.32, -30.32], [139.47, -29.97], [140.0, -29.75]]]]}, "2014-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.0, -29.75], [140.25, -29.85], [140.32, -29.82], [140.47, -29.47], [141.0, -29.25], [141.53, -29.47], [141.68, -29.82], [141.75, -29.85], [142.0, -29.75], [142.53, -29.97], [142.68, -30.32], [143.03, -30.47], [143.18, -30.82], [143.25, -30.85], [143.5, -30.75], [144.03, -30.97], [144.25, -31.5], [144.04, -32.0], [144.25, -32.5], [144.15, -32.75], [144.25, -33.0], [144.03, -33.53], [143.5, -33.75], [143.2, -33.62], [143.03, -34.03], [142.5, -34.25], [142.25, -34.15], [142.0, -34.25], [141.47, -34.03], [141.25, -33.5], [141.35, -33.25], [141.32, -33.18], [140.97, -33.03], [140.75, -32.5], [140.85, -32.25], [140.82, -32.18], [140.47, -32.03], [140.32, -31.68], [140.25, -31.65], [140.0, -31.75], [139.75, -31.65], [139.5, -31.75], [138.97, -31.53], [138.75, -31.0], [138.97, -30.47], [139.32, -30.32], [139.47, -29.97], [140.0, -29.75]]]]}, "2014-10-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.0, -29.75], [140.25, -29.85], [140.32, -29.82], [140.47, -29.47], [141.0, -29.25], [141.53, -29.47], [141.68, -29.82], [141.75, -29.85], [142.0, -29.75], [142.53, -29.97], [142.68, -30.32], [143.03, -30.47], [143.18, -30.82], [143.25, -30.85], [143.5, -30.75], [144.03, -30.97], [144.25, -31.5], [144.04, -32.0], [144.25, -32.5], [144.15, -32.75], [144.25, -33.0], [144.03, -33.53], [143.5, -33.75], [143.2, -33.62], [143.03, -34.03], [142.5, -34.25], [142.25, -34.15], [142.0, -34.25], [141.47, -34.03], [141.25, -33.5], [141.35, -33.25], [141.32, -33.18], [140.97, -33.03], [140.75, -32.5], [140.85, -32.25], [140.82, -32.18], [140.47, -32.03], [140.32, -31.68], [140.25, -31.65], [140.0, -31.75], [139.75, -31.65], [139.5, -31.75], [138.97, -31.53], [138.75, -31.0], [138.97, -30.47], [139.32, -30.32], [139.47, -29.97], [140.0, -29.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -7.250842692352535}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -5.860883443004094}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.04777746561308, 13.811293302678791, 14.642142976164905]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.252932013790314, 12.338780287208408, 13.3745331261037]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-5.805025548767413, -6.218411750523367, -5.559213029721503]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.697114063010247, -7.250842692352535, -6.4610816187966975]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.3905178590743834, -1.4838846992299608, -1.330675472539644]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.5571733786835276, -1.713967703270155, -1.5535201741505298]}}