{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:16.296044", "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-Jan-23_to_2013-Jan-30_116.5_-23.0"}, "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": 2013010000738}, "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": "January 23 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 30 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 70918.25071820746}, "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": -23.0}, "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": 116.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "116.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 115.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 119.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -24.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.97, -23.03], [115.75, -22.5], [115.97, -21.97], [116.5, 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-24.03], [115.25, -23.5], [115.35, -23.25], [115.25, -23.0], [115.47, -22.47]]]]}, "2013-01-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[115.47, -22.47], [115.82, -22.32], [115.97, -21.97], [116.5, -21.75], [116.75, -21.85], [117.0, -21.75], [117.25, -21.85], [117.5, -21.75], [118.03, -21.97], [118.18, -22.32], [118.25, -22.35], [118.5, -22.25], [118.75, -22.35], [119.0, -22.25], [119.53, -22.47], [119.68, -22.82], [120.03, -22.97], [120.25, -23.5], [120.15, -23.75], [120.25, -24.0], [120.15, -24.25], [120.25, -24.5], [120.03, -25.03], [119.5, -25.25], [118.97, -25.03], [118.82, -24.68], [118.75, -24.65], [118.5, -24.75], [118.25, -24.65], [118.0, -24.75], [117.75, -24.65], [117.5, -24.75], [117.25, -24.65], [117.0, -24.75], [116.47, -24.53], [116.32, -24.18], [116.25, -24.15], [116.0, -24.25], [115.47, -24.03], [115.25, -23.5], [115.35, -23.25], [115.25, -23.0], [115.47, -22.47]]]]}, "2013-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": 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