{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:54.208933", "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": "2021-Mar-31_to_2021-Apr-03_147.0_-42.0"}, "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": 2021030002713}, "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": "March 31 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 03 2021"}, "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": 57478.52104362065}, "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": ["Tasman Sea"]}, "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": -42.0}, "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": 147.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "147.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 145.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 149.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -43.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-03-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[145.47, -40.97], [146.0, -40.75], [146.25, -40.85], [146.5, 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[149.53, -42.53], [149.18, -42.68], [149.03, -43.03], [148.68, -43.18], [148.53, -43.53], [148.0, -43.75], [147.75, -43.65], [147.5, -43.75], [147.25, -43.65], [147.0, -43.75], [146.47, -43.53], [146.32, -43.18], [145.97, -43.03], [145.82, -42.68], [145.47, -42.53], [145.32, -42.18], [144.97, -42.03], [144.75, -41.5], [144.85, -41.25], [144.75, -41.0], [144.97, -40.47]]]]}, "2021-04-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.97, -40.47], [145.5, -40.25], [146.03, -40.47], [146.18, -40.82], [146.25, -40.85], [146.5, -40.75], [147.0, -40.96], [147.5, -40.75], [147.75, -40.85], [147.88, -40.8], [147.75, -40.5], [147.97, -39.97], [148.5, -39.75], [149.03, -39.97], [149.18, -40.32], [149.53, -40.47], [149.75, -41.0], [149.65, -41.25], [149.75, -41.5], [149.65, -41.75], [149.75, -42.0], [149.53, -42.53], [149.18, -42.68], [149.03, -43.03], [148.68, -43.18], [148.53, -43.53], [148.0, -43.75], [147.75, -43.65], [147.5, -43.75], [147.25, -43.65], [147.0, -43.75], 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[144.97, -40.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.677878978494846}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.349124807216197}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.14928304406368, 16.567011058761693, 16.911509989137016, 18.180567656869357]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.54952374104107, 18.935112649975224, 18.579268131610547, 20.029935606543006]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.6146501787198164, 3.796906907110724, 4.210343956117502, 5.568945290937759]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.859376907739318, 5.036233872346884, 7.666599063650551, 7.677878978494846]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5246125334638227, 1.6652945000639965, 1.7921034868126628, 2.434618066892599]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8828503761122504, 2.0489202060429896, 2.47941071657769, 2.755802352535869]}}