{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:25.127202", "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-Oct-06_to_2025-Oct-10_132.5_-16.5"}, "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": 2025100001278}, "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": "October 06 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 10 2025"}, "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": 106235.0295083461}, "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": -16.5}, "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": 132.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 130.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 133.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -20.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -15.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[131.35, -17.25], [131.25, -17.0], [131.35, -16.75], [131.32, -16.68], [131.25, -16.65], [131.0, -16.75], [130.47, -16.53], [130.25, -16.0], [130.35, -15.75], [130.25, -15.5], [130.47, -14.97], [130.82, -14.82], [130.97, -14.47], [131.5, -14.25], [132.03, -14.47], [132.18, -14.82], [132.25, -14.85], [132.5, -14.75], [132.75, -14.85], [133.0, -14.75], [133.53, -14.97], [133.68, -15.32], [134.03, -15.47], [134.25, -16.0], [134.15, -16.25], [134.25, -16.5], [134.03, -17.03], [133.5, -17.25], [133.25, -17.15], [133.18, -17.18], [133.15, -17.25], [133.25, -17.5], [133.15, -17.75], [133.25, -18.0], [133.03, -18.53], [132.68, -18.68], [132.65, -18.75], [132.75, -19.0], [132.53, -19.53], [132.18, -19.68], [132.15, -19.75], [132.25, -20.0], [132.03, -20.53], [131.5, -20.75], [130.97, -20.53], [130.75, -20.0], [130.85, -19.75], [130.82, -19.68], [130.75, -19.65], [130.5, -19.75], [129.97, -19.53], [129.82, -19.18], [129.47, -19.03], [129.25, -18.5], [129.35, -18.25], [129.25, -18.0], [129.47, -17.47], [130.0, -17.25], [130.25, -17.35], [130.5, -17.25], [131.0, -17.46], [131.32, -17.32], [131.35, -17.25]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia", "C.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.5, -16.25], [131.97, -16.03], [131.75, -15.5], [131.97, -14.97], [132.5, -14.75], [132.75, -14.85], [133.0, -14.75], [133.53, -14.97], [133.75, -15.5], [133.53, -16.03], [133.0, -16.25], [132.75, -16.15], [132.5, -16.25]]]]}, "2025-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.75, -19.5], [130.96, -19.0], [130.75, -18.5], [130.85, -18.25], [130.75, -18.0], [130.97, -17.47], [131.32, -17.32], [131.35, -17.25], [131.25, -17.0], [131.35, -16.75], [131.32, -16.68], [130.97, -16.53], [130.75, -16.0], [130.97, -15.47], [131.5, -15.25], [131.75, -15.35], [131.82, -15.32], [131.97, -14.97], [132.5, -14.75], 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"Maximum t2m anomaly recorded over entire duration", "value": 5.184689351333134}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.2480098585690764}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.897631581624353, 32.342609285840865, 32.75553679289641, 32.93121497958316, 32.827981918159594]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [31.935717519124353, 33.40569330851241, 33.7597595214844, 33.98812128702804, 33.475818888346396]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.106056951636532, 2.822886029531593, 3.269186289163171, 3.4554349846984063, 3.306499690214513]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.120942065230338, 3.499653149296705, 4.783405035378848, 5.184689351333134, 3.9061921657694256]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.335494919639268, 1.246981535667979, 1.4552077237465848, 1.4445554481167018, 1.455161388708103]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3482196968396596, 1.411628461197784, 1.8404757701145247, 1.628612607094357, 2.0084703411284845]}}