{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:52:10.135256", "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": "2012-Dec-22_to_2012-Dec-25_124.0_-24.5"}, "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": 2012120002447}, "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": "December 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 25 2012"}, "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": "Heat wave"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 84365.97154704112}, "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": -24.5}, "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": 124.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "124.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 122.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.75}, "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": -23.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-12-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, -24.0], [122.97, -23.47], [123.5, -23.25], [123.75, -23.35], [124.0, -23.25], [124.53, -23.47], [124.68, -23.82], [124.75, -23.85], [125.0, -23.75], [125.53, -23.97], [125.68, -24.32], [125.75, -24.35], [126.0, -24.25], [126.25, -24.35], [126.5, -24.25], [127.03, -24.47], [127.18, -24.82], [127.53, -24.97], [127.75, -25.5], [127.53, -26.03], [127.0, -26.25], [126.75, -26.15], [126.5, -26.25], [126.25, -26.15], [126.0, -26.25], [125.75, -26.15], [125.5, -26.25], [125.25, -26.15], [125.0, -26.25], [124.47, -26.03], [124.32, -25.68], [124.25, -25.65], [124.0, -25.75], [123.75, -25.65], [123.5, -25.75], [123.25, -25.65], [123.0, -25.75], [122.47, -25.53], [122.25, -25.0], [122.47, -24.47], [122.82, -24.32], [122.85, -24.25], [122.75, -24.0]]]]}, "2012-12-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, -24.0], [122.97, -23.47], [123.5, -23.25], [123.75, -23.35], [124.0, -23.25], [124.25, -23.35], [124.32, -23.32], [124.47, -22.97], [125.0, -22.75], [125.25, -22.85], [125.5, -22.75], [125.75, -22.85], [126.0, -22.75], [126.25, -22.85], [126.5, -22.75], [127.03, -22.97], [127.18, -23.32], [127.25, -23.35], [127.5, -23.25], [128.03, -23.47], [128.25, -24.0], [128.03, -24.53], [127.5, -24.75], [127.25, -24.65], [127.13, -24.7], [127.18, -24.82], [127.53, -24.97], [127.75, -25.5], [127.53, -26.03], [127.0, -26.25], [126.75, -26.15], [126.5, -26.25], [126.25, -26.15], [126.0, -26.25], [125.75, -26.15], [125.5, -26.25], [125.25, -26.15], [125.0, -26.25], [124.47, -26.03], [124.32, -25.68], [124.25, -25.65], [124.0, -25.75], [123.75, -25.65], [123.5, -25.75], [123.25, -25.65], [123.0, -25.75], [122.47, -25.53], [122.25, -25.0], [122.47, -24.47], [122.82, -24.32], [122.85, -24.25], [122.75, -24.0]]]]}, "2012-12-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.75, -24.0], [122.97, -23.47], [123.5, -23.25], [123.75, -23.35], [124.0, -23.25], [124.25, -23.35], [124.32, -23.32], [124.47, -22.97], [125.0, -22.75], [125.25, -22.85], [125.5, -22.75], [125.75, -22.85], [126.0, -22.75], [126.25, -22.85], [126.5, -22.75], [127.03, -22.97], [127.18, -23.32], [127.25, -23.35], [127.5, -23.25], [128.03, -23.47], [128.25, -24.0], [128.03, -24.53], [127.5, -24.75], [127.25, -24.65], [127.13, -24.7], [127.18, -24.82], [127.53, -24.97], [127.75, -25.5], [127.53, -26.03], [127.0, -26.25], [126.75, -26.15], [126.5, -26.25], [126.25, -26.15], [126.0, -26.25], [125.75, -26.15], [125.5, -26.25], [125.25, -26.15], [125.0, -26.25], [124.47, -26.03], [124.32, -25.68], [124.25, -25.65], [124.0, -25.75], [123.75, -25.65], [123.5, -25.75], [123.25, -25.65], [123.0, -25.75], [122.47, -25.53], [122.25, -25.0], [122.47, -24.47], [122.82, -24.32], [122.85, -24.25], [122.75, -24.0]]]]}, "2012-12-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.47, -23.47], [124.0, -23.25], [124.25, -23.35], [124.32, -23.32], [124.47, -22.97], [125.0, -22.75], [125.25, -22.85], [125.5, -22.75], [125.75, -22.85], [126.0, -22.75], [126.25, -22.85], [126.5, -22.75], [127.03, -22.97], [127.18, -23.32], [127.25, -23.35], [127.5, -23.25], [128.03, -23.47], [128.25, -24.0], [128.03, -24.53], [127.5, -24.75], [127.25, -24.65], [127.0, -24.75], [126.75, -24.65], [126.5, -24.75], [126.25, -24.65], [126.0, -24.75], [125.75, -24.65], [125.68, -24.68], [125.53, -25.03], [125.0, -25.25], [124.75, -25.15], [124.5, -25.25], [124.25, -25.15], [124.0, -25.25], [123.47, -25.03], [123.25, -24.5], [123.35, -24.25], [123.25, -24.0], [123.47, -23.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.171877859948097}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.96367436396527}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [35.87860603239295, 37.91359721486134, 37.65073732264176, 36.6764293703194]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.532066926146115, 38.664252585441716, 38.931029017406104, 37.382272726994245]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.155646783014961, 6.815000072144113, 6.303773689271865, 4.604325899531435]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.80999935557827, 8.171877859948097, 6.974329579653613, 4.940341452205587]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3084561060585698, 1.7760315054670541, 1.67154403276423, 1.284536281018852]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.416708145518527, 2.11273051502029, 1.9477316222721028, 1.3886008974538366]}}