{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:03:26.628944", "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-Jul-26_to_2015-Jul-29_139.5_-32.0"}, "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": 2015070001132}, "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 26 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 29 2015"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 109814.4256309271}, "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": ["Great Australian Bight"]}, "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": -32.0}, "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": 139.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "139.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 136.25}, "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": -35.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-07-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.25, -33.0], [136.35, -32.75], [136.25, -32.5], [136.47, 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[135.97, -33.47], [136.32, -33.32], [136.35, -33.25], [136.25, -33.0]]]]}, "2015-07-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[136.25, -33.0], [136.35, -32.75], [136.25, -32.5], [136.47, -31.97], [137.0, -31.75], [137.25, -31.85], [137.5, -31.75], [137.93, -31.93], [137.75, -31.5], [137.97, -30.97], [138.5, -30.75], [138.75, -30.85], [138.82, -30.82], [138.85, -30.75], [138.82, -30.68], [138.47, -30.53], [138.25, -30.0], [138.35, -29.75], [138.25, -29.5], [138.35, -29.25], [138.25, -29.0], [138.47, -28.47], [139.0, -28.25], [139.25, -28.35], [139.5, -28.25], [140.03, -28.47], [140.18, -28.82], [140.53, -28.97], [140.75, -29.5], [140.65, -29.75], [140.75, -30.0], [140.53, -30.53], [140.18, -30.68], [140.15, -30.75], [140.18, -30.82], [140.25, -30.85], [140.5, -30.75], [141.03, -30.97], [141.25, -31.5], [141.15, -31.75], [141.25, -32.0], [141.15, -32.25], [141.25, -32.5], [141.03, -33.03], [140.68, -33.18], [140.53, -33.53], [140.18, -33.68], [140.03, -34.03], 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-3.670311793747804, -3.241776358504215, -3.5454274752715804]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-4.401481749475295, -4.432417652680499, -4.320273778652393, -3.8538373674425657]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.585168620697241, -1.6740299695669425, -1.4886459392216738, -1.429666348458499]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.015113644029094, -1.952395746063824, -1.883396569864822, -1.6449260736713534]}}