{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:08:28.952774", "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-13_to_2025-Oct-15_135.0_-20.0"}, "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": 2025100001669}, "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 13 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 15 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": 121551.82057073001}, "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": -20.0}, "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": 135.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -22.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -18.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[133.47, -18.97], [134.0, -18.75], [134.25, -18.85], [134.5, -18.75], [134.8, -18.87], [134.97, -18.47], [135.32, -18.32], [135.47, -17.97], [136.0, -17.75], [136.53, -17.97], [136.68, -18.32], [137.03, -18.47], [137.18, -18.82], [137.53, -18.97], [137.68, -19.32], [138.03, -19.47], [138.18, -19.82], [138.53, -19.97], [138.68, -20.32], [139.03, -20.47], [139.18, -20.82], [139.53, -20.97], [139.75, -21.5], [139.65, -21.75], [139.75, -22.0], [139.53, -22.53], [139.0, -22.75], [138.75, -22.65], [138.5, -22.75], [137.97, -22.53], [137.82, -22.18], [137.75, -22.15], [137.5, -22.25], [137.25, -22.15], [137.0, -22.25], [136.75, -22.15], [136.68, -22.18], [136.53, -22.53], [136.0, -22.75], [135.47, -22.53], [135.32, -22.18], [134.97, -22.03], [134.75, -21.5], [134.85, -21.25], [134.82, -21.18], [134.75, -21.15], [134.5, -21.25], [134.25, -21.15], [134.0, -21.25], [133.75, -21.15], [133.5, -21.25], [133.25, -21.15], [133.0, -21.25], [132.47, -21.03], [132.25, -20.5], [132.47, -19.97], [132.82, -19.82], [132.97, -19.47], [133.32, -19.32], [133.47, -18.97]]]]}}, "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": {"2025-10-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -19.47], [133.32, -19.32], [133.47, -18.97], [134.0, -18.75], [134.25, -18.85], [134.5, -18.75], [134.8, -18.87], [134.97, -18.47], [135.32, -18.32], [135.47, -17.97], [136.0, -17.75], [136.53, -17.97], [136.68, -18.32], [137.03, -18.47], [137.18, -18.82], [137.53, -18.97], [137.68, -19.32], [138.03, -19.47], [138.18, -19.82], [138.53, -19.97], [138.68, -20.32], [139.03, -20.47], [139.18, -20.82], [139.53, -20.97], [139.75, -21.5], [139.65, -21.75], [139.75, -22.0], [139.53, -22.53], [139.0, -22.75], [138.75, -22.65], [138.5, -22.75], [137.97, -22.53], [137.82, -22.18], [137.75, -22.15], [137.5, -22.25], [137.25, -22.15], [137.0, -22.25], [136.75, -22.15], [136.68, -22.18], [136.53, -22.53], [136.0, -22.75], [135.47, -22.53], [135.32, -22.18], [134.97, -22.03], [134.75, -21.5], [134.85, -21.25], [134.82, -21.18], [134.75, -21.15], [134.5, -21.25], [134.25, -21.15], [134.0, -21.25], [133.75, -21.15], [133.5, -21.25], [133.25, -21.15], [133.0, -21.25], [132.47, -21.03], [132.25, -20.5], [132.47, -19.97], [132.82, -19.82], [132.97, -19.47]]]]}, "2025-10-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, -19.47], [133.32, -19.32], [133.47, -18.97], [134.0, -18.75], [134.25, -18.85], [134.5, -18.75], [134.8, -18.87], [134.97, -18.47], [135.32, -18.32], [135.47, -17.97], [136.0, -17.75], [136.53, -17.97], [136.68, -18.32], [137.03, -18.47], [137.18, -18.82], [137.53, -18.97], [137.68, -19.32], [138.03, -19.47], [138.18, -19.82], [138.53, -19.97], [138.68, -20.32], [139.03, -20.47], [139.18, -20.82], [139.53, -20.97], [139.75, -21.5], [139.65, -21.75], [139.75, -22.0], [139.53, -22.53], [139.0, -22.75], [138.75, -22.65], [138.5, -22.75], 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"description": "The daily evolution of mean t2m.", "value": [31.481246778700097, 31.453412991478388, 31.83866841149711]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.399446105957054, 32.89740015665694, 32.74907073974612]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.190298123382428, 3.9932764759491373, 4.152876629506723]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.459396418347751, 4.512144252399139, 5.518568608919395]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2984116252774374, 1.2665452454499324, 1.3083293935280782]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5224084858536164, 1.5288803319543445, 1.6210974003926428]}}