{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:03.465340", "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-06_to_2024-Jun-09_150.5_-23.5"}, "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": 2024060000188}, "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 06 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 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": 59263.537776834215}, "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": ["E.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": -23.5}, "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": 150.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "150.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 147.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 151.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -25.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -22.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.35, -23.75], [147.25, -23.5], [147.47, -22.97], [148.0, -22.75], [148.25, -22.85], [148.5, -22.75], [148.75, -22.85], [148.82, -22.82], [148.97, -22.47], [149.5, -22.25], [149.75, -22.35], [150.0, -22.25], [150.53, -22.47], [150.68, -22.82], [151.03, -22.97], [151.25, -23.5], [151.15, -23.75], [151.18, -23.82], [151.53, -23.97], [151.75, -24.5], [151.65, -24.75], [151.68, -24.82], [152.03, -24.97], [152.25, -25.5], [152.03, -26.03], [151.5, -26.25], [150.97, -26.03], [150.82, -25.68], [150.47, -25.53], [150.32, -25.18], [150.25, -25.15], [150.0, -25.25], [149.75, -25.15], [149.5, -25.25], [149.2, -25.12], [149.03, -25.53], [148.5, -25.75], [147.97, -25.53], [147.82, -25.18], [147.47, -25.03], [147.25, -24.5], [147.35, -24.25], [147.25, -24.0], [147.35, -23.75]]]]}, "2024-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.35, -23.75], [147.25, -23.5], [147.47, -22.97], [148.0, -22.75], [148.25, -22.85], [148.5, -22.75], [148.75, -22.85], [148.82, -22.82], [148.97, -22.47], [149.5, -22.25], [149.75, -22.35], [150.0, -22.25], [150.25, -22.35], [150.5, -22.25], [151.03, -22.47], [151.25, -23.0], [151.15, -23.25], [151.25, -23.5], [151.15, -23.75], [151.18, -23.82], [151.53, -23.97], [151.75, -24.5], [151.65, -24.75], [151.68, -24.82], [152.03, -24.97], [152.25, -25.5], [152.03, -26.03], [151.5, -26.25], [150.97, -26.03], [150.82, -25.68], [150.47, -25.53], [150.32, -25.18], [150.25, -25.15], [150.0, -25.25], [149.75, -25.15], [149.5, -25.25], [149.2, -25.12], [149.03, -25.53], [148.5, -25.75], [147.97, -25.53], [147.82, -25.18], [147.47, -25.03], [147.25, -24.5], [147.35, -24.25], [147.25, -24.0], [147.35, -23.75]]]]}, "2024-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[147.35, -23.75], [147.25, -23.5], [147.47, -22.97], [148.0, -22.75], [148.25, -22.85], [148.5, -22.75], [148.75, -22.85], [148.82, -22.82], [148.97, -22.47], [149.5, -22.25], [149.75, -22.35], [150.0, -22.25], [150.25, -22.35], [150.5, -22.25], [151.03, -22.47], [151.25, -23.0], [151.15, -23.25], [151.25, -23.5], [151.15, -23.75], [151.18, -23.82], [151.53, -23.97], [151.75, -24.5], [151.65, -24.75], [151.68, -24.82], [152.03, -24.97], [152.25, -25.5], [152.03, -26.03], [151.5, -26.25], [150.97, -26.03], [150.82, -25.68], [150.47, -25.53], [150.32, -25.18], [150.25, -25.15], [150.0, -25.25], [149.75, -25.15], [149.5, -25.25], [149.2, -25.12], [149.03, -25.53], [148.5, -25.75], [147.97, -25.53], [147.82, -25.18], [147.47, -25.03], [147.25, -24.5], [147.35, -24.25], [147.25, -24.0], [147.35, -23.75]]]]}, "2024-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[150.5, -22.25], [151.03, -22.47], [151.25, -23.0], [151.03, -23.53], [150.5, -23.75], [149.97, -23.53], [149.75, -23.0], [149.97, -22.47], [150.5, -22.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": -5.90196404033162}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -4.63400047862113}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.333448450254537, 11.090769170757369, 12.0386464380922, 14.102988544018388]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.050698291798994, 8.472945633797224, 9.854224409070525, 14.102988544018388]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-4.156926955945664, -5.410310116487933, -4.353440647914932, -3.764724981757695]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-5.130963156578559, -5.90196404033162, -4.9398096051669995, -3.764724981757695]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.5917188882165672, -2.094739249280762, -1.684759861614261, -1.6053125658712586]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-1.8810277867865386, -2.420782968999011, -2.061858986200105, -1.6053125658712586]}}