{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:06:34.474961", "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-Jul-10_to_2025-Jul-12_137.5_-36.5"}, "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": 2025070001911}, "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": "July 10 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 12 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": 52670.7308733975}, "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": -36.5}, "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": 137.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "137.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 135.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 139.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -36.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -34.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[134.47, -33.97], [135.0, -33.75], [135.53, -33.97], [135.68, -34.32], [135.75, -34.35], [136.0, -34.25], [136.25, -34.35], [136.5, -34.25], [136.75, -34.35], [137.0, -34.25], [137.53, -34.47], [137.68, -34.82], [138.03, -34.97], [138.18, -35.32], [138.25, -35.35], [138.5, -35.25], [138.75, -35.35], [139.0, -35.25], [139.25, -35.35], [139.5, -35.25], [140.03, -35.47], [140.25, -36.0], [140.15, -36.25], [140.25, -36.5], [140.03, -37.03], [139.5, -37.25], [139.25, -37.15], [139.0, -37.25], [138.75, -37.15], [138.5, -37.25], [138.25, -37.15], [138.0, -37.25], [137.75, -37.15], [137.5, -37.25], [136.97, -37.03], [136.82, -36.68], [136.75, -36.65], [136.5, -36.75], [135.97, -36.53], [135.82, -36.18], [135.47, -36.03], [135.32, -35.68], [134.97, -35.53], [134.82, -35.18], [134.47, -35.03], [134.25, -34.5], [134.47, -33.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["S.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.47, -35.03], [134.25, -34.5], [134.47, -33.97], [135.0, -33.75], [135.53, -33.97], [135.68, -34.32], [135.75, -34.35], [136.0, -34.25], [136.25, -34.35], [136.5, -34.25], [136.75, -34.35], [137.0, -34.25], [137.53, -34.47], [137.68, -34.82], [138.03, -34.97], [138.18, -35.32], [138.25, -35.35], [138.5, -35.25], [138.75, -35.35], [139.0, -35.25], [139.25, -35.35], [139.5, -35.25], [140.03, -35.47], [140.25, -36.0], [140.15, -36.25], [140.25, -36.5], [140.03, -37.03], [139.5, -37.25], [139.25, -37.15], [139.0, -37.25], [138.75, -37.15], [138.5, -37.25], [138.25, -37.15], [138.0, -37.25], [137.75, -37.15], [137.5, -37.25], [136.97, -37.03], [136.82, -36.68], [136.75, -36.65], [136.5, -36.75], [135.97, -36.53], [135.82, -36.18], [135.47, -36.03], [135.32, -35.68], [134.97, -35.53], [134.82, -35.18], [134.47, -35.03]]]]}, "2025-07-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.47, -35.03], [134.25, -34.5], [134.47, -33.97], [135.0, -33.75], [135.53, -33.97], [135.68, -34.32], [135.75, -34.35], [136.0, -34.25], [136.25, -34.35], [136.5, -34.25], [136.75, -34.35], [137.0, -34.25], [137.53, -34.47], [137.68, -34.82], [138.03, -34.97], [138.18, -35.32], [138.25, -35.35], [138.5, -35.25], [138.75, -35.35], [139.0, -35.25], [139.25, -35.35], [139.5, -35.25], [140.03, -35.47], [140.25, -36.0], [140.15, -36.25], [140.25, -36.5], [140.03, -37.03], [139.5, -37.25], [139.25, -37.15], [139.0, -37.25], [138.75, -37.15], [138.5, -37.25], [138.25, -37.15], [138.0, -37.25], [137.75, -37.15], [137.5, -37.25], [136.97, -37.03], [136.82, -36.68], [136.75, -36.65], [136.5, -36.75], [135.97, -36.53], [135.82, -36.18], [135.47, -36.03], [135.32, -35.68], [134.97, -35.53], [134.82, -35.18], [134.47, -35.03]]]]}, "2025-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.47, -35.03], [134.25, -34.5], [134.47, -33.97], [135.0, -33.75], [135.53, -33.97], [135.68, -34.32], [135.75, -34.35], [136.0, -34.25], [136.25, -34.35], [136.5, -34.25], [136.75, -34.35], [137.0, -34.25], [137.53, -34.47], [137.68, -34.82], [138.03, -34.97], [138.18, -35.32], [138.25, -35.35], [138.5, -35.25], [138.75, -35.35], [139.0, -35.25], [139.25, -35.35], [139.5, -35.25], [140.03, -35.47], [140.25, -36.0], [140.15, -36.25], [140.25, -36.5], [140.03, -37.03], [139.5, -37.25], [139.25, -37.15], [139.0, -37.25], [138.75, -37.15], [138.5, -37.25], [138.25, -37.15], [138.0, -37.25], [137.75, -37.15], [137.5, -37.25], [136.97, -37.03], [136.82, -36.68], [136.75, -36.65], [136.5, -36.75], [135.97, -36.53], [135.82, -36.18], [135.47, -36.03], [135.32, -35.68], [134.97, -35.53], [134.82, -35.18], [134.47, -35.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 2.868414610329637}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 1.8370360269330543}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [14.370206935822068, 14.808247775123277, 15.088163176037028]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.108294423421228, 15.773521677653036, 16.11866912841799]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [1.425585335920803, 1.9211389470875864, 2.164383797790774]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.7621992767842016, 2.312266795309654, 2.868414610329637]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3661804715562478, 1.8226441455159348, 2.1468344908862185]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5052902040763916, 2.0299838676716844, 2.451694398479596]}}