{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:17:46.215295", "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": "2022-Feb-13_to_2022-Feb-16_144.5_-35.5"}, "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": 2022020001912}, "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": "February 13 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 16 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 114402.97613621634}, "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": -35.5}, "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": 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": 141.5}, "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": -36.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -32.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[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], [146.15, -35.75], [146.25, -36.0], [146.03, -36.53], [145.5, -36.75], [145.25, -36.65], [145.0, -36.75], [144.75, -36.65], [144.5, -36.75], [144.25, -36.65], [144.0, -36.75], [143.75, -36.65], [143.5, -36.75], [143.25, -36.65], [143.0, -36.75], [142.75, -36.65], [142.5, -36.75], [141.97, -36.53], [141.82, -36.18], [141.47, -36.03], [141.25, -35.5], [141.35, -35.25], [141.32, -35.18], [140.97, -35.03], [140.75, -34.5], [140.85, -34.25], [140.75, -34.0], [140.85, -33.75], [140.75, -33.5], [140.85, -33.25], [140.75, -33.0], [140.85, -32.75], [140.75, -32.5], [140.97, -31.97], [141.5, -31.75], [141.75, -31.85], [142.0, -31.75], [142.53, -31.97], [142.68, -32.32], [143.03, -32.47], [143.18, -32.82], [143.53, -32.97], [143.68, -33.32], [144.0, -33.46], [144.5, -33.25], [145.03, -33.47]]]]}}, "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": {"2022-02-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.75, -34.0], [140.85, -33.75], [140.75, -33.5], [140.85, -33.25], [140.75, -33.0], [140.85, -32.75], [140.75, -32.5], [140.97, -31.97], [141.5, -31.75], [141.75, -31.85], [142.0, -31.75], [142.53, -31.97], [142.68, -32.32], [143.03, -32.47], [143.18, -32.82], [143.53, -32.97], [143.68, -33.32], [144.03, -33.47], [144.18, -33.82], [144.53, -33.97], [144.75, -34.5], [144.65, -34.75], [144.68, -34.82], [144.75, -34.85], [145.0, -34.75], [145.53, -34.97], [145.75, -35.5], [145.65, -35.75], [145.75, -36.0], [145.53, -36.53], [145.0, -36.75], [144.75, -36.65], [144.5, -36.75], [144.25, -36.65], [144.0, -36.75], [143.75, -36.65], [143.5, -36.75], [143.25, -36.65], [143.0, -36.75], [142.75, -36.65], [142.5, -36.75], [141.97, -36.53], [141.82, -36.18], [141.47, -36.03], [141.25, -35.5], [141.35, -35.25], [141.32, -35.18], [140.97, -35.03], [140.75, -34.5], [140.85, -34.25], [140.75, -34.0]]]]}, "2022-02-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.75, -34.0], [140.85, -33.75], [140.75, -33.5], [140.85, -33.25], [140.75, -33.0], [140.85, -32.75], [140.75, -32.5], [140.97, -31.97], [141.5, -31.75], [141.75, -31.85], [142.0, -31.75], [142.53, -31.97], [142.68, -32.32], [143.03, -32.47], [143.18, -32.82], [143.53, -32.97], [143.68, -33.32], [144.0, -33.46], [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], [146.15, -35.75], [146.25, -36.0], [146.03, -36.53], [145.5, -36.75], [145.25, -36.65], [145.0, -36.75], [144.75, -36.65], [144.5, -36.75], [144.25, -36.65], [144.0, -36.75], [143.75, -36.65], [143.5, -36.75], [143.25, -36.65], [143.0, -36.75], [142.75, -36.65], [142.5, -36.75], [141.97, -36.53], [141.82, -36.18], [141.47, -36.03], [141.25, -35.5], [141.35, -35.25], [141.32, -35.18], [140.97, -35.03], [140.75, -34.5], [140.85, -34.25], [140.75, -34.0]]]]}, "2022-02-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[140.75, -34.0], [140.85, -33.75], [140.75, -33.5], [140.85, -33.25], [140.75, -33.0], [140.85, -32.75], [140.75, -32.5], [140.97, -31.97], [141.5, -31.75], [141.75, -31.85], [142.0, -31.75], [142.53, -31.97], [142.68, -32.32], [143.03, -32.47], [143.18, -32.82], [143.53, -32.97], [143.68, -33.32], [144.0, -33.46], [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], [146.15, -35.75], [146.25, -36.0], [146.03, -36.53], [145.5, -36.75], [145.25, -36.65], [145.0, -36.75], [144.75, -36.65], [144.5, -36.75], [144.25, -36.65], [144.0, -36.75], [143.75, -36.65], [143.5, -36.75], [143.25, -36.65], [143.0, -36.75], [142.75, -36.65], [142.5, -36.75], [141.97, -36.53], [141.82, -36.18], [141.47, -36.03], [141.25, -35.5], [141.35, -35.25], [141.32, -35.18], [140.97, -35.03], [140.75, -34.5], [140.85, -34.25], [140.75, -34.0]]]]}, "2022-02-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.47, -35.03], [143.25, -34.5], [143.47, -33.97], [143.82, -33.82], [143.97, -33.47], [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], [146.15, -35.75], [146.25, -36.0], [146.03, -36.53], [145.5, -36.75], [145.25, -36.65], [145.0, -36.75], [144.75, -36.65], [144.5, -36.75], [143.97, -36.53], [143.75, -36.0], [143.85, -35.75], [143.75, -35.5], [143.85, -35.25], [143.82, -35.18], [143.47, -35.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.811418372103674}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.1662246216112315}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [30.423349276769102, 30.384909933690324, 30.476190906904947, 29.321966332252885]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.721225295401155, 32.34299054579503, 32.93383083194584, 30.143751702900374]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.416782315046018, 6.22628088436259, 6.157018887129715, 5.182102444722484]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.811418372103674, 7.1593639986624, 7.687225210754832, 5.664576082325368]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.580574659430792, 1.60552855583272, 1.5826112048415717, 1.4098462012463042]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8358054499589824, 1.905720762174456, 1.9172512564954443, 1.5423377863620418]}}