{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:10:38.960646", "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": "2026-Feb-26_to_2026-Mar-01_143.5_-34.5"}, "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": 2026020002560}, "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": "February 26 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 01 2026"}, "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": 64924.25750278753}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Oceania"]}, "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": -34.5}, "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": 143.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "143.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 147.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -35.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -30.75}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[143.5, -33.75], [144.03, -33.97], [144.18, -34.32], [144.25, -34.35], [144.32, -34.32], [144.47, -33.97], [144.82, -33.82], [144.85, -33.75], [144.75, -33.5], [144.85, -33.25], [144.82, -33.18], [144.47, -33.03], [144.25, -32.5], [144.35, -32.25], [144.25, -32.0], [144.47, -31.47], [144.82, -31.32], [144.85, -31.25], [144.75, -31.0], [144.97, -30.47], [145.5, -30.25], [145.75, -30.35], [146.0, -30.25], [146.25, -30.35], [146.5, -30.25], [147.03, -30.47], [147.18, -30.82], [147.53, -30.97], [147.75, -31.5], [147.53, -32.03], [147.0, -32.25], [146.75, -32.15], [146.68, -32.18], [146.65, -32.25], [146.68, -32.32], [147.03, -32.47], [147.25, -33.0], [147.15, -33.25], [147.25, -33.5], [147.03, -34.03], [146.5, -34.25], [146.25, -34.15], [146.18, -34.18], [146.03, -34.53], [145.68, -34.68], [145.53, -35.03], [145.18, -35.18], [145.03, -35.53], [144.68, -35.68], [144.53, -36.03], [144.0, -36.25], [143.47, -36.03], [143.25, -35.5], [143.35, -35.25], [143.32, -35.18], [142.97, -35.03], [142.75, -34.5], [142.97, -33.97], [143.5, -33.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia", "E.Australia", "S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, -35.03], [142.75, -34.5], [142.97, -33.97], [143.5, -33.75], [144.03, -33.97], [144.18, -34.32], [144.25, -34.35], [144.32, -34.32], [144.47, -33.97], [144.82, -33.82], [144.85, -33.75], [144.75, -33.5], [144.97, -32.97], [145.5, -32.75], [146.03, -32.97], [146.25, -33.5], [146.15, -33.75], [146.25, -34.0], [146.03, -34.53], [145.68, -34.68], [145.53, -35.03], [145.18, -35.18], [145.03, -35.53], [144.68, -35.68], [144.53, -36.03], [144.0, -36.25], [143.47, -36.03], [143.25, -35.5], [143.35, -35.25], [143.32, -35.18], [142.97, -35.03]]]]}, "2026-02-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, -35.03], [142.75, -34.5], [142.97, -33.97], [143.5, -33.75], [144.03, -33.97], [144.18, -34.32], [144.25, -34.35], [144.32, -34.32], [144.47, -33.97], [144.82, -33.82], [144.85, -33.75], [144.75, -33.5], [144.85, -33.25], [144.82, -33.18], [144.47, -33.03], [144.25, -32.5], [144.35, -32.25], [144.25, -32.0], [144.47, -31.47], [144.82, -31.32], [144.85, -31.25], [144.75, -31.0], [144.97, -30.47], [145.5, -30.25], [145.75, -30.35], [146.0, -30.25], [146.25, -30.35], [146.5, -30.25], [147.03, -30.47], [147.18, -30.82], [147.53, -30.97], [147.75, -31.5], [147.53, -32.03], [147.0, -32.25], [146.75, -32.15], [146.68, -32.18], [146.65, -32.25], [146.68, -32.32], [147.03, -32.47], [147.25, -33.0], [147.15, -33.25], [147.25, -33.5], [147.03, -34.03], [146.5, -34.25], [146.25, -34.15], [146.18, -34.18], [146.03, -34.53], [145.68, -34.68], [145.53, -35.03], [145.18, -35.18], [145.03, -35.53], [144.68, -35.68], [144.53, -36.03], [144.0, -36.25], [143.47, -36.03], [143.25, -35.5], [143.35, -35.25], [143.32, -35.18], [142.97, -35.03]]]]}, "2026-02-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.97, -35.03], [142.75, -34.5], [142.97, -33.97], [143.5, -33.75], [144.03, -33.97], [144.18, -34.32], [144.25, -34.35], [144.32, -34.32], [144.47, -33.97], [144.82, -33.82], [144.85, -33.75], [144.75, -33.5], [144.85, -33.25], [144.82, -33.18], [144.47, -33.03], [144.25, -32.5], [144.35, -32.25], [144.25, -32.0], [144.47, -31.47], [144.82, -31.32], [144.85, -31.25], [144.75, -31.0], [144.97, -30.47], [145.5, -30.25], [145.75, -30.35], [146.0, -30.25], [146.25, -30.35], [146.5, -30.25], [147.03, -30.47], [147.18, -30.82], [147.53, -30.97], [147.75, -31.5], [147.53, -32.03], [147.0, -32.25], [146.75, -32.15], [146.68, -32.18], [146.65, -32.25], [146.68, -32.32], [147.03, -32.47], [147.25, -33.0], [147.15, -33.25], [147.25, -33.5], [147.03, -34.03], [146.5, -34.25], [146.25, -34.15], [146.18, -34.18], [146.03, -34.53], [145.68, -34.68], [145.53, -35.03], [145.18, -35.18], [145.03, -35.53], [144.68, -35.68], [144.53, -36.03], [144.0, -36.25], [143.47, -36.03], [143.25, -35.5], [143.35, -35.25], [143.32, -35.18], [142.97, -35.03]]]]}, "2026-03-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.25, -32.0], [144.47, -31.47], [144.82, -31.32], [144.85, -31.25], [144.75, -31.0], [144.97, -30.47], [145.5, -30.25], [145.75, -30.35], [146.0, -30.25], [146.25, -30.35], [146.5, -30.25], [147.03, -30.47], [147.18, -30.82], [147.53, -30.97], [147.75, -31.5], [147.53, -32.03], [147.0, -32.25], [146.75, -32.15], [146.68, -32.18], [146.65, -32.25], [146.68, -32.32], [147.03, -32.47], [147.25, -33.0], [147.15, -33.25], [147.25, -33.5], [147.03, -34.03], [146.5, -34.25], [146.25, -34.15], [146.0, -34.25], [145.47, -34.03], [145.32, -33.68], [144.97, -33.53], [144.82, -33.18], [144.47, -33.03], [144.25, -32.5], [144.35, -32.25], [144.25, -32.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.05580581711672}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.936934757869269}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.88860618954618, 29.52657684326175, 29.655542297363297, 29.867817885787417]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.737145996093773, 30.731319681803427, 31.55608266194662, 31.526301320393884]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.065162066611647, 4.798585963905007, 5.043228839526966, 4.931589016006348]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.443514845094512, 7.05580581711672, 5.798506764365982, 5.7373830379216315]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4569094265903693, 1.43619565995839, 1.5079505827008008, 1.520470839412395]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.548437432880826, 2.055738485728189, 1.6778053114464666, 1.7748865118541834]}}