{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:05:17.781476", "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-May-09_to_2025-May-13_143.5_-12.5"}, "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": 2025050001517}, "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 09 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 13 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": 54345.46551412198}, "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": ["Coral Sea"]}, "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": -12.5}, "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": 143.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "143.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 143.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 146.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -13.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -11.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[142.85, -11.75], [142.75, -11.5], [142.97, -10.97], [143.5, -10.75], [144.0, -10.96], [144.5, -10.75], [144.75, -10.85], [145.0, -10.75], [145.25, -10.85], [145.5, -10.75], [146.03, -10.97], [146.18, -11.32], [146.53, -11.47], [146.75, -12.0], [146.53, -12.53], [146.0, -12.75], [145.75, -12.65], [145.5, -12.75], [145.25, -12.65], [145.13, -12.7], [145.25, -13.0], [145.15, -13.25], [145.25, -13.5], [145.03, -14.03], [144.5, -14.25], [144.25, -14.15], [144.0, -14.25], [143.75, -14.15], [143.5, -14.25], [142.97, -14.03], [142.75, -13.5], [142.85, -13.25], [142.75, -13.0], [142.85, -12.75], [142.75, -12.5], [142.85, -12.25], [142.75, -12.0], [142.85, -11.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.Australia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-05-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.75, -13.0], [142.85, -12.75], [142.75, -12.5], [142.85, -12.25], [142.75, -12.0], [142.97, -11.47], [143.5, -11.25], [144.03, -11.47], [144.18, -11.82], [144.53, -11.97], [144.68, -12.32], [145.03, -12.47], [145.25, -13.0], [145.15, -13.25], [145.25, -13.5], [145.03, -14.03], [144.5, -14.25], [144.25, -14.15], [144.0, -14.25], [143.75, -14.15], [143.5, -14.25], [142.97, -14.03], [142.75, -13.5], [142.85, -13.25], [142.75, -13.0]]]]}, "2025-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.75, -13.0], [142.85, -12.75], [142.75, -12.5], [142.85, -12.25], [142.75, -12.0], [142.85, -11.75], [142.75, -11.5], [142.97, -10.97], [143.5, -10.75], [144.0, -10.96], [144.5, -10.75], [144.75, -10.85], [145.0, -10.75], [145.25, -10.85], [145.5, -10.75], [146.03, -10.97], [146.18, -11.32], [146.53, -11.47], [146.75, -12.0], [146.53, -12.53], [146.0, -12.75], [145.75, -12.65], [145.5, -12.75], [145.25, -12.65], [145.13, -12.7], [145.25, -13.0], [145.15, -13.25], [145.25, -13.5], [145.03, -14.03], [144.5, -14.25], [144.25, -14.15], [144.0, -14.25], [143.75, -14.15], [143.5, -14.25], [142.97, -14.03], [142.75, -13.5], [142.85, -13.25], [142.75, -13.0]]]]}, "2025-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.75, -13.0], [142.85, -12.75], [142.75, -12.5], [142.85, -12.25], [142.75, -12.0], [142.85, -11.75], [142.75, -11.5], [142.97, -10.97], [143.5, -10.75], [144.0, -10.96], [144.5, -10.75], [144.75, -10.85], [145.0, -10.75], [145.25, -10.85], [145.5, -10.75], [146.03, -10.97], [146.18, -11.32], [146.53, -11.47], [146.75, -12.0], [146.53, -12.53], [146.0, -12.75], [145.75, -12.65], [145.5, -12.75], [145.25, -12.65], [145.13, -12.7], [145.25, -13.0], [145.15, -13.25], [145.25, -13.5], [145.03, -14.03], [144.5, -14.25], [144.25, -14.15], [144.0, -14.25], [143.75, -14.15], [143.5, -14.25], [142.97, -14.03], [142.75, -13.5], [142.85, -13.25], [142.75, -13.0]]]]}, "2025-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.75, -12.5], [142.85, -12.25], [142.75, -12.0], [142.85, -11.75], [142.75, -11.5], [142.97, -10.97], [143.5, -10.75], [144.0, -10.96], [144.5, -10.75], [144.75, -10.85], [145.0, -10.75], [145.25, -10.85], [145.5, -10.75], [146.03, -10.97], [146.18, -11.32], [146.53, -11.47], [146.75, -12.0], [146.53, -12.53], [146.0, -12.75], [145.75, -12.65], [145.5, -12.75], [145.25, -12.65], [145.0, -12.75], [144.75, -12.65], [144.68, -12.68], [144.65, -12.75], [144.75, -13.0], [144.65, -13.25], [144.75, -13.5], [144.53, -14.03], [144.0, -14.25], [143.47, -14.03], [143.32, -13.68], [142.97, -13.53], [142.75, -13.0], [142.85, -12.75], [142.75, -12.5]]]]}, "2025-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[142.75, -12.5], [142.85, -12.25], [142.75, -12.0], [142.97, -11.47], [143.5, -11.25], [144.03, -11.47], [144.18, -11.82], [144.53, -11.97], [144.75, -12.5], [144.65, -12.75], [144.75, -13.0], [144.65, -13.25], [144.75, -13.5], [144.53, -14.03], [144.0, -14.25], [143.47, -14.03], [143.32, -13.68], [142.97, -13.53], [142.75, -13.0], [142.85, -12.75], [142.75, -12.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 1.0744779719131543}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 0.903376854368334}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.69322371306248, 27.02306716353803, 26.98231122052232, 27.014212036132847, 26.560508982340536]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.013934071858728, 27.49779408772787, 27.57587585449221, 27.50921529134115, 26.827883656819665]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [0.8993393840990191, 0.9346401247871844, 0.9136617668660278, 0.890291030157861, 0.817503071548856]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [1.0704716965275338, 1.033636668363613, 1.0744779719131543, 1.0632429418109837, 0.8665207257880638]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4038407862650313, 1.4214648676866637, 1.3983225901513419, 1.3373633795944238, 1.266127456699096]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.634115363903332, 1.614747719015227, 1.6273304998484264, 1.5687439500681044, 1.3941083032519097]}}