{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:03:12.174546", "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": "2025-Jan-08_to_2025-Jan-10_125.5_-26.5"}, "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": 2025010001422}, "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": "January 08 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 10 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 121097.86320436203}, "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": -26.5}, "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": 125.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "125.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 124.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 130.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -28.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -25.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[123.25, -26.0], [123.35, -25.75], [123.25, -25.5], [123.47, -24.97], [124.0, -24.75], [124.25, -24.85], [124.5, -24.75], [124.75, -24.85], [125.0, -24.75], [125.53, -24.97], [125.68, -25.32], [125.75, -25.35], [126.0, -25.25], [126.53, -25.47], [126.68, -25.82], [127.0, -25.96], [127.5, -25.75], [128.03, -25.97], [128.18, -26.32], [128.53, -26.47], [128.68, -26.82], [128.75, -26.85], [129.0, -26.75], [129.25, -26.85], [129.5, -26.75], [129.75, -26.85], [130.0, -26.75], [130.53, -26.97], [130.75, -27.5], [130.53, -28.03], [130.18, -28.18], [130.03, -28.53], [129.68, -28.68], [129.53, -29.03], [129.0, -29.25], [128.75, -29.15], [128.5, -29.25], [127.97, -29.03], [127.82, -28.68], [127.75, -28.65], [127.68, -28.68], [127.53, -29.03], [127.0, -29.25], [126.47, -29.03], [126.25, -28.5], [126.35, -28.25], [126.32, -28.18], [126.25, -28.15], [126.0, -28.25], [125.75, -28.15], [125.5, -28.25], [125.25, -28.15], [125.0, -28.25], [124.47, -28.03], [124.32, -27.68], [124.25, -27.65], [124.0, -27.75], [123.47, -27.53], [123.25, -27.0], [123.35, -26.75], [123.25, -26.5], [123.35, -26.25], [123.25, -26.0]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["C.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[123.25, -26.5], [123.35, -26.25], [123.25, -26.0], [123.35, -25.75], [123.25, -25.5], [123.47, -24.97], [124.0, -24.75], [124.25, -24.85], [124.5, -24.75], [124.75, -24.85], [125.0, -24.75], [125.53, -24.97], [125.68, -25.32], [125.75, -25.35], [126.0, -25.25], [126.53, -25.47], [126.68, -25.82], [127.0, -25.96], [127.5, -25.75], [128.03, -25.97], [128.18, -26.32], [128.53, -26.47], [128.68, -26.82], [128.75, -26.85], [129.0, -26.75], [129.25, -26.85], [129.5, -26.75], [129.75, -26.85], [130.0, -26.75], [130.53, -26.97], [130.75, -27.5], [130.53, -28.03], [130.18, -28.18], [130.03, -28.53], [129.68, -28.68], [129.53, -29.03], [129.0, -29.25], 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"mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.981988007546638}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [34.348408115271354, 35.00050633748373, 35.74036409782644]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [36.78581008911135, 37.47664159138998, 38.24393742879232]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.3720806012578555, 6.00637730861126, 6.5675061127708]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.2501836254353975, 6.755860542322637, 8.327061453142562]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2898224420951214, 1.447732424389441, 1.5485326709222824]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.480627587381418, 1.59448737689142, 1.9032038160770899]}}