{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:02:14.154306", "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": "2024-Nov-21_to_2024-Nov-23_144.5_-37.0"}, "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": 2024110001991}, "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": "November 21 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2024"}, "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": 82573.55176195675}, "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": -37.0}, "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": 144.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "144.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 142.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 145.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -37.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -34.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[142.0, -36.25], [142.25, -36.35], [142.32, -36.32], [142.47, -35.97], [142.82, -35.82], [142.85, -35.75], [142.75, -35.5], [142.85, -35.25], [142.75, -35.0], [142.85, -34.75], [142.75, -34.5], [142.97, -33.97], [143.32, -33.82], [143.47, -33.47], [144.0, -33.25], [144.25, -33.35], [144.5, -33.25], [145.03, -33.47], [145.25, -34.0], [145.15, -34.25], [145.18, -34.32], [145.25, -34.35], [145.5, -34.25], [146.03, -34.47], [146.25, -35.0], [146.15, -35.25], [146.25, -35.5], [146.03, -36.03], [145.68, -36.18], [145.53, -36.53], [145.18, -36.68], [145.15, -36.75], [145.25, -37.0], [145.03, -37.53], [144.68, -37.68], [144.53, -38.03], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.5, -38.04], [142.0, -38.25], [141.47, -38.03], [141.25, -37.5], [141.35, -37.25], [141.25, -37.0], [141.47, -36.47], [142.0, -36.25]]]]}}, "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": {"2024-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, -37.0], [141.47, -36.47], [142.0, -36.25], [142.25, -36.35], [142.32, -36.32], [142.47, -35.97], [142.82, -35.82], [142.85, -35.75], [142.75, -35.5], [142.85, -35.25], [142.75, -35.0], [142.85, -34.75], [142.75, -34.5], [142.97, -33.97], [143.32, -33.82], [143.47, -33.47], [144.0, -33.25], [144.25, -33.35], [144.5, -33.25], [145.03, -33.47], [145.25, -34.0], [145.15, -34.25], [145.18, -34.32], [145.25, -34.35], [145.5, -34.25], [146.03, -34.47], [146.25, -35.0], [146.15, -35.25], [146.25, -35.5], [146.03, -36.03], [145.68, -36.18], [145.53, -36.53], [145.18, -36.68], [145.15, -36.75], [145.25, -37.0], [145.03, -37.53], [144.68, -37.68], [144.53, -38.03], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.5, -38.04], [142.0, -38.25], [141.47, -38.03], [141.25, -37.5], [141.35, -37.25], [141.25, -37.0]]]]}, "2024-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, -37.0], [141.47, -36.47], [142.0, -36.25], [142.25, -36.35], [142.32, -36.32], [142.47, -35.97], [142.82, -35.82], [142.85, -35.75], [142.75, -35.5], [142.85, -35.25], [142.75, -35.0], [142.85, -34.75], [142.75, -34.5], [142.97, -33.97], [143.32, -33.82], [143.47, -33.47], [144.0, -33.25], [144.25, -33.35], [144.5, -33.25], [145.03, -33.47], [145.25, -34.0], [145.15, -34.25], [145.18, -34.32], [145.25, -34.35], [145.5, -34.25], [146.03, -34.47], [146.25, -35.0], [146.15, -35.25], [146.25, -35.5], [146.03, -36.03], [145.68, -36.18], [145.53, -36.53], [145.18, -36.68], [145.15, -36.75], [145.25, -37.0], [145.03, -37.53], [144.68, -37.68], [144.53, -38.03], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.5, -38.04], [142.0, -38.25], [141.47, -38.03], [141.25, -37.5], [141.35, -37.25], [141.25, -37.0]]]]}, "2024-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[141.25, -37.0], [141.47, -36.47], [142.0, -36.25], [142.25, -36.35], [142.32, -36.32], [142.47, -35.97], [142.82, -35.82], [142.85, -35.75], [142.75, -35.5], [142.85, -35.25], [142.75, -35.0], [142.85, -34.75], [142.75, -34.5], [142.97, -33.97], [143.32, -33.82], [143.47, -33.47], [144.0, -33.25], [144.25, -33.35], [144.5, -33.25], [145.03, -33.47], [145.25, -34.0], [145.15, -34.25], [145.18, -34.32], [145.25, -34.35], [145.5, -34.25], [146.03, -34.47], [146.25, -35.0], [146.15, -35.25], [146.25, -35.5], [146.03, -36.03], [145.68, -36.18], [145.53, -36.53], [145.18, -36.68], [145.15, -36.75], [145.25, -37.0], [145.03, -37.53], [144.68, -37.68], [144.53, -38.03], [144.0, -38.25], [143.75, -38.15], [143.5, -38.25], [143.25, -38.15], [143.0, -38.25], [142.5, -38.04], [142.0, -38.25], [141.47, -38.03], [141.25, -37.5], [141.35, -37.25], [141.25, -37.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.03382668395352}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 8.330647788570843}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [26.49526228471234, 29.568798396563352, 26.54539503617724]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.730813598632835, 30.915806070963583, 29.96136627197268]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.221284636424088, 10.421734976512642, 7.348923752775804]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [9.040264487135005, 13.03382668395352, 8.637736520554995]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6760861673331056, 2.4616245304130637, 1.7517008966200263]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.0632267442081704, 3.151817777720356, 2.1639106696871178]}}