{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:31:08.880209", "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": "2022-May-20_to_2022-May-24_127.0_-29.5"}, "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": 2022050002365}, "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": "May 20 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 24 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 66862.51396439003}, "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", "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": []}, "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": -29.5}, "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": 127.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "127.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 124.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 128.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -31.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -28.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[126.5, -28.75], [126.75, -28.85], [127.0, -28.75], [127.43, 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-31.53], [127.18, -31.68], [127.03, -32.03], [126.5, -32.25], [126.25, -32.15], [126.0, -32.25], [125.47, -32.03], [125.32, -31.68], [125.25, -31.65], [125.0, -31.75], [124.47, -31.53], [124.25, -31.0], [124.35, -30.75], [124.25, -30.5], [124.35, -30.25]]]]}, "2022-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.35, -30.25], [124.25, -30.0], [124.47, -29.47], [125.0, -29.25], [125.25, -29.35], [125.32, -29.32], [125.47, -28.97], [126.0, -28.75], [126.25, -28.85], [126.32, -28.82], [126.47, -28.47], [126.82, -28.32], [126.97, -27.97], [127.5, -27.75], [127.75, -27.85], [128.0, -27.75], [128.53, -27.97], [128.75, -28.5], [128.54, -29.0], [128.68, -29.32], [129.03, -29.47], [129.25, -30.0], [129.15, -30.25], [129.25, -30.5], [129.03, -31.03], [128.5, -31.25], [127.97, -31.03], [127.75, -30.5], [127.85, -30.25], [127.82, -30.18], [127.75, -30.15], [127.68, -30.18], [127.54, -30.5], [127.75, -31.0], [127.53, -31.53], [127.18, -31.68], [127.03, -32.03], [126.5, -32.25], [126.25, -32.15], [126.0, -32.25], [125.47, -32.03], [125.32, -31.68], [125.25, -31.65], [125.0, -31.75], [124.47, -31.53], [124.25, -31.0], [124.35, -30.75], [124.25, -30.5], [124.35, -30.25]]]]}, "2022-05-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[124.35, -30.25], [124.25, -30.0], [124.47, -29.47], [125.0, -29.25], [125.25, -29.35], [125.32, -29.32], [125.47, -28.97], [126.0, -28.75], [126.25, -28.85], [126.32, -28.82], [126.47, -28.47], [126.82, -28.32], [126.97, -27.97], [127.5, -27.75], [127.75, -27.85], [128.0, -27.75], [128.53, -27.97], [128.75, -28.5], [128.54, -29.0], [128.68, -29.32], [129.03, -29.47], [129.25, -30.0], [129.15, -30.25], [129.25, -30.5], [129.03, -31.03], [128.5, -31.25], [127.97, -31.03], [127.75, -30.5], [127.85, -30.25], [127.82, -30.18], [127.75, -30.15], [127.68, -30.18], [127.54, -30.5], [127.75, -31.0], [127.53, -31.53], [127.18, -31.68], [127.03, -32.03], [126.5, -32.25], [126.25, -32.15], [126.0, -32.25], [125.47, 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duration", "value": 4.844446220859791}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.655492306084966, 19.41165171754818, 19.839320070756003, 20.580122505944928, 19.03881699038891]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.172497852940012, 20.4714870768982, 20.882456681887447, 21.92233188450382, 19.51001420705535]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.195181093350311, 4.276737491092642, 4.810866325285031, 5.6779343594661915, 4.24075908171811]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.678470829523519, 5.272670536248711, 5.8630117478061266, 6.594949799795927, 4.5017768998787915]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5258636392949227, 1.609476628930708, 1.7855142413070346, 2.115221525581087, 1.5246384640965498]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5627208076102852, 1.7526823643831968, 1.9540126558481263, 2.598696538909237, 1.6466896295846416]}}