{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:08.056558", "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": "2024-Jun-30_to_2024-Jul-03_145.5_-37.5"}, "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": 2024060000767}, "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 30 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 03 2024"}, "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": 68759.66019063296}, "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": ["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": ["Bass Strait"]}, "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": -37.5}, "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": 145.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "145.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 144.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -38.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -35.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.97, -38.03], [143.75, -37.5], [143.97, -36.97], [144.5, 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-36.75], [144.75, -36.85], [144.82, -36.82], [144.85, -36.75], [144.75, -36.5], [144.85, -36.25], [144.75, -36.0], [144.97, -35.47], [145.5, -35.25], [146.03, -35.47], [146.18, -35.82], [146.25, -35.85], [146.5, -35.75], [147.03, -35.97], [147.18, -36.32], [147.25, -36.35], [147.5, -36.25], [147.75, -36.35], [148.0, -36.25], [148.53, -36.47], [148.68, -36.82], [148.75, -36.85], [149.0, -36.75], [149.25, -36.85], [149.5, -36.75], [150.03, -36.97], [150.25, -37.5], [150.03, -38.03], [149.5, -38.25], [149.25, -38.15], [149.0, -38.25], [148.75, -38.15], [148.68, -38.18], [148.53, -38.53], [148.0, -38.75], [147.75, -38.65], [147.5, -38.75], [147.2, -38.62], [147.03, -39.03], [146.5, -39.25], [146.25, -39.15], [146.0, -39.25], [145.47, -39.03], [145.32, -38.68], [144.97, -38.53], [144.82, -38.18], [144.75, -38.15], [144.5, -38.25], [143.97, -38.03]]]]}, "2024-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.97, -38.03], [143.75, -37.5], [143.97, -36.97], [144.5, 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"anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-2.8330580593738466, -3.1085030528961703, -3.6172206461376697, -3.40661375633357]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-3.770050900787055, -4.348413622558439, -5.1278688922545825, -3.7064988830795187]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5137570588878364, -1.6820143057867085, -1.95488577569224, -1.8138645998257548]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8520330277934964, -2.0697390230495145, -2.8314158945336123, -2.1155904798582883]}}