{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:21:22.900175", "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-Jun-22_to_2022-Jun-26_149.5_-70.5"}, "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": 2022060002591}, "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": "June 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 26 2022"}, "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": 107690.31214454133}, "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": ["Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": -70.5}, "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": 149.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "149.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 144.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 156.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -71.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -68.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[153.25, -69.35], [153.5, -69.25], [153.75, -69.35], [154.0, -69.25], [154.25, -69.35], [154.5, -69.25], [154.75, -69.35], [155.0, -69.25], [155.25, -69.35], [155.5, -69.25], [155.75, -69.35], [156.0, -69.25], [156.25, -69.35], [156.5, -69.25], [157.03, -69.47], [157.25, -70.0], [157.15, -70.25], [157.25, -70.5], [157.15, -70.75], [157.25, -71.0], [157.03, -71.53], [156.5, -71.75], [156.25, -71.65], [156.0, -71.75], [155.75, -71.65], [155.68, -71.68], [155.53, -72.03], [155.0, -72.25], [154.75, -72.15], [154.5, -72.25], [154.25, -72.15], [154.0, -72.25], [153.75, -72.15], [153.5, -72.25], [153.25, -72.15], [153.0, -72.25], [152.75, -72.15], [152.5, -72.25], [152.25, -72.15], [152.0, -72.25], [151.75, -72.15], [151.5, -72.25], [151.25, -72.15], [151.0, -72.25], [150.75, -72.15], [150.5, -72.25], [150.25, -72.15], [150.0, -72.25], [149.47, -72.03], [149.32, -71.68], [149.25, -71.65], [149.0, -71.75], [148.75, -71.65], [148.5, -71.75], [148.25, -71.65], [148.0, -71.75], [147.47, -71.53], [147.32, -71.18], [147.25, -71.15], [147.0, -71.25], [146.75, -71.15], [146.5, -71.25], [146.25, -71.15], [146.0, -71.25], [145.47, -71.03], [145.32, -70.68], [145.25, -70.65], [145.0, -70.75], [144.47, -70.53], [144.25, -70.0], [144.35, -69.75], [144.25, -69.5], [144.35, -69.25], [144.32, -69.18], [143.97, -69.03], [143.75, -68.5], [143.97, -67.97], [144.5, -67.75], [144.75, -67.85], [145.0, -67.75], [145.25, -67.85], [145.5, -67.75], [145.75, -67.85], [146.0, -67.75], [146.53, -67.97], [146.68, -68.32], [146.75, -68.35], [147.0, -68.25], [147.25, -68.35], [147.5, -68.25], [147.75, -68.35], [148.0, -68.25], [148.25, -68.35], [148.5, -68.25], [149.03, -68.47], [149.18, -68.82], [149.25, -68.85], [149.5, -68.75], [149.75, -68.85], [150.0, -68.75], [150.25, -68.85], [150.5, -68.75], [150.75, -68.85], [151.0, -68.75], [151.25, -68.85], [151.5, -68.75], [151.75, -68.85], [152.0, -68.75], [152.25, -68.85], [152.5, -68.75], [153.03, -68.97], [153.18, -69.32], [153.25, -69.35]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Antarctica"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-06-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.97, -69.03], [143.75, -68.5], [143.97, -67.97], [144.5, -67.75], [144.75, -67.85], [145.0, -67.75], [145.25, -67.85], [145.5, -67.75], [146.03, -67.97], [146.18, -68.32], [146.25, -68.35], [146.5, -68.25], [146.75, -68.35], [147.0, -68.25], [147.25, -68.35], [147.5, -68.25], [148.03, -68.47], [148.18, -68.82], [148.25, -68.85], [148.5, -68.75], [148.75, -68.85], [149.0, -68.75], [149.25, -68.85], [149.5, -68.75], [150.03, -68.97], [150.18, -69.32], [150.25, -69.35], [150.5, -69.25], [150.75, -69.35], [151.0, -69.25], [151.25, -69.35], [151.5, -69.25], [151.75, -69.35], [152.0, -69.25], [152.25, -69.35], [152.5, -69.25], [152.75, -69.35], [153.0, -69.25], [153.25, -69.35], [153.5, -69.25], [153.75, -69.35], [154.0, -69.25], [154.25, -69.35], [154.5, -69.25], [154.75, -69.35], [155.0, -69.25], [155.53, -69.47], [155.68, -69.82], [155.75, -69.85], [156.0, -69.75], [156.25, -69.85], [156.5, -69.75], [157.03, -69.97], [157.25, -70.5], [157.15, -70.75], [157.25, -71.0], [157.03, -71.53], [156.5, -71.75], [156.25, -71.65], [156.0, -71.75], [155.75, -71.65], [155.68, -71.68], [155.53, -72.03], [155.0, -72.25], [154.75, -72.15], [154.5, -72.25], [154.25, -72.15], [154.0, -72.25], [153.75, -72.15], [153.5, -72.25], [153.25, -72.15], [153.0, -72.25], [152.75, -72.15], [152.5, -72.25], [152.25, -72.15], [152.0, -72.25], [151.47, -72.03], [151.32, -71.68], [151.25, -71.65], [151.0, -71.75], [150.75, -71.65], [150.5, -71.75], [149.97, -71.53], [149.82, -71.18], [149.75, -71.15], [149.5, -71.25], [148.97, -71.03], [148.82, -70.68], [148.75, -70.65], [148.5, -70.75], [148.25, -70.65], [148.0, -70.75], [147.47, -70.53], [147.32, -70.18], [147.25, -70.15], [147.0, -70.25], [146.75, -70.15], [146.5, -70.25], [146.25, -70.15], [146.0, -70.25], [145.47, -70.03], [145.32, -69.68], [145.25, -69.65], [145.0, -69.75], [144.47, -69.53], [144.32, -69.18], [143.97, -69.03]]]]}, "2022-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.97, -69.03], [143.75, -68.5], [143.97, -67.97], [144.5, -67.75], [144.75, -67.85], [145.0, -67.75], [145.25, -67.85], [145.5, -67.75], [145.75, -67.85], [146.0, -67.75], [146.53, -67.97], [146.68, -68.32], [146.75, -68.35], [147.0, -68.25], [147.25, -68.35], [147.5, -68.25], [147.75, -68.35], [148.0, -68.25], [148.25, -68.35], [148.5, -68.25], [149.03, -68.47], [149.18, -68.82], [149.25, -68.85], [149.5, -68.75], [149.75, -68.85], [150.0, -68.75], [150.25, -68.85], [150.5, -68.75], [150.75, -68.85], [151.0, -68.75], [151.25, -68.85], [151.5, -68.75], [151.75, -68.85], [152.0, -68.75], [152.25, -68.85], [152.5, -68.75], [153.03, -68.97], [153.18, -69.32], [153.25, -69.35], [153.5, -69.25], [153.75, -69.35], [154.0, -69.25], [154.25, -69.35], [154.5, -69.25], [154.75, -69.35], [155.0, -69.25], [155.25, -69.35], [155.5, -69.25], [155.75, -69.35], [156.0, -69.25], [156.25, -69.35], [156.5, -69.25], [157.03, -69.47], [157.25, -70.0], [157.15, -70.25], [157.25, -70.5], [157.15, -70.75], [157.25, -71.0], [157.03, -71.53], [156.5, -71.75], [156.25, -71.65], [156.0, -71.75], [155.75, -71.65], [155.68, -71.68], [155.53, -72.03], [155.0, -72.25], [154.75, -72.15], [154.5, -72.25], [154.25, -72.15], [154.0, -72.25], [153.75, -72.15], [153.5, -72.25], [153.25, -72.15], [153.0, -72.25], [152.75, -72.15], [152.5, -72.25], [152.25, -72.15], [152.0, -72.25], [151.47, -72.03], [151.32, -71.68], [151.25, -71.65], [151.0, -71.75], [150.75, -71.65], [150.5, -71.75], [149.97, -71.53], [149.82, -71.18], [149.75, -71.15], [149.5, -71.25], [148.97, -71.03], [148.82, -70.68], [148.75, -70.65], [148.5, -70.75], [148.25, -70.65], [148.0, -70.75], [147.47, -70.53], [147.32, -70.18], [147.25, -70.15], [147.0, -70.25], [146.75, -70.15], [146.5, -70.25], [146.25, -70.15], [146.0, -70.25], [145.47, -70.03], [145.32, -69.68], [145.25, -69.65], [145.0, -69.75], [144.47, -69.53], [144.32, -69.18], [143.97, -69.03]]]]}, "2022-06-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.97, -69.03], [143.75, -68.5], [143.97, -67.97], [144.5, -67.75], [144.75, -67.85], [145.0, -67.75], [145.25, -67.85], [145.5, -67.75], [145.75, -67.85], [146.0, -67.75], [146.53, -67.97], [146.68, -68.32], [146.75, -68.35], [147.0, -68.25], [147.25, -68.35], [147.5, -68.25], [147.75, -68.35], [148.0, -68.25], [148.25, -68.35], [148.5, -68.25], [149.03, -68.47], [149.18, -68.82], [149.25, -68.85], [149.5, -68.75], [149.75, -68.85], [150.0, -68.75], [150.25, -68.85], [150.5, -68.75], [150.75, -68.85], [151.0, -68.75], [151.25, -68.85], [151.5, -68.75], [151.75, -68.85], [152.0, -68.75], [152.25, -68.85], [152.5, -68.75], [153.03, -68.97], [153.18, -69.32], [153.25, -69.35], [153.5, -69.25], [153.75, -69.35], [154.0, -69.25], [154.25, -69.35], [154.5, -69.25], [154.75, -69.35], [155.0, -69.25], [155.25, -69.35], [155.5, -69.25], [155.75, -69.35], [156.0, -69.25], [156.25, -69.35], [156.5, -69.25], [157.03, -69.47], [157.25, -70.0], [157.15, -70.25], [157.25, -70.5], [157.15, -70.75], [157.25, -71.0], [157.03, -71.53], [156.5, -71.75], [156.25, -71.65], [156.0, -71.75], [155.75, -71.65], [155.68, -71.68], [155.53, -72.03], [155.0, -72.25], [154.75, -72.15], [154.5, -72.25], [154.25, -72.15], [154.0, -72.25], [153.75, -72.15], [153.5, -72.25], [153.25, -72.15], [153.0, -72.25], [152.75, -72.15], [152.5, -72.25], [152.25, -72.15], [152.0, -72.25], [151.75, -72.15], [151.5, -72.25], [151.25, -72.15], [151.0, -72.25], [150.75, -72.15], [150.5, -72.25], [150.25, -72.15], [150.0, -72.25], [149.47, -72.03], [149.32, -71.68], [149.25, -71.65], [149.0, -71.75], [148.75, -71.65], [148.5, -71.75], [148.25, -71.65], [148.0, -71.75], [147.47, -71.53], [147.32, -71.18], [147.25, -71.15], [147.0, -71.25], [146.75, -71.15], [146.5, -71.25], [146.25, -71.15], [146.0, -71.25], [145.47, -71.03], [145.32, -70.68], [145.25, -70.65], [145.0, -70.75], [144.47, -70.53], [144.25, -70.0], [144.35, -69.75], [144.25, -69.5], [144.35, -69.25], [144.32, -69.18], [143.97, -69.03]]]]}, "2022-06-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[143.97, -69.03], [143.75, -68.5], [143.97, -67.97], [144.5, -67.75], [144.75, -67.85], [145.0, -67.75], [145.25, -67.85], [145.5, -67.75], [145.75, -67.85], [146.0, -67.75], [146.53, -67.97], [146.68, -68.32], [146.75, -68.35], [147.0, -68.25], [147.25, -68.35], [147.5, -68.25], [147.75, -68.35], [148.0, -68.25], [148.25, -68.35], [148.5, -68.25], [149.03, -68.47], [149.18, -68.82], [149.25, -68.85], [149.5, -68.75], [149.75, -68.85], [150.0, -68.75], [150.25, -68.85], [150.5, -68.75], [150.75, -68.85], [151.0, -68.75], [151.25, -68.85], [151.5, -68.75], [151.75, -68.85], [152.0, -68.75], [152.25, -68.85], [152.5, -68.75], [153.03, -68.97], [153.18, -69.32], [153.25, -69.35], [153.5, -69.25], [153.75, -69.35], [154.0, -69.25], [154.25, -69.35], [154.5, -69.25], [154.75, -69.35], [155.0, -69.25], [155.25, -69.35], [155.5, -69.25], [155.75, -69.35], [156.0, -69.25], [156.25, -69.35], [156.5, -69.25], [157.03, -69.47], [157.25, -70.0], [157.15, -70.25], [157.25, -70.5], [157.15, -70.75], [157.25, -71.0], [157.03, -71.53], [156.5, -71.75], [156.25, -71.65], [156.0, -71.75], [155.75, -71.65], [155.68, -71.68], [155.53, -72.03], [155.0, -72.25], [154.75, -72.15], [154.5, -72.25], [154.25, -72.15], [154.0, -72.25], [153.75, -72.15], [153.5, -72.25], [153.25, -72.15], [153.0, -72.25], [152.75, -72.15], [152.5, -72.25], [152.25, -72.15], [152.0, -72.25], [151.75, -72.15], [151.5, -72.25], [151.25, -72.15], [151.0, -72.25], [150.75, -72.15], [150.5, -72.25], [150.25, -72.15], [150.0, -72.25], [149.47, -72.03], [149.32, -71.68], [149.25, -71.65], [149.0, -71.75], [148.75, -71.65], [148.5, -71.75], [148.25, -71.65], [148.0, -71.75], [147.47, -71.53], [147.32, -71.18], [147.25, -71.15], [147.0, -71.25], [146.75, -71.15], [146.5, -71.25], [146.25, -71.15], [146.0, -71.25], [145.47, -71.03], [145.32, -70.68], [145.25, -70.65], [145.0, -70.75], [144.47, -70.53], [144.25, -70.0], [144.35, -69.75], [144.25, -69.5], [144.35, -69.25], [144.32, -69.18], [143.97, -69.03]]]]}, "2022-06-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[144.25, -69.5], [144.47, -68.97], [145.0, -68.75], [145.25, -68.85], [145.5, -68.75], [146.03, -68.97], [146.18, -69.32], [146.25, -69.35], [146.5, -69.25], [146.75, -69.35], [147.0, -69.25], [147.25, -69.35], [147.5, -69.25], [147.75, -69.35], [148.0, -69.25], [148.25, -69.35], [148.5, -69.25], [148.75, -69.35], [149.0, -69.25], [149.53, -69.47], [149.68, -69.82], [149.75, -69.85], [150.0, -69.75], [150.25, -69.85], [150.32, -69.82], [150.47, -69.47], [151.0, -69.25], [151.25, -69.35], [151.5, -69.25], [151.75, -69.35], [152.0, -69.25], [152.25, -69.35], [152.5, -69.25], [153.03, -69.47], [153.18, -69.82], [153.25, -69.85], [153.5, -69.75], [153.75, -69.85], [154.0, -69.75], [154.25, -69.85], [154.5, -69.75], [154.75, -69.85], [155.0, -69.75], [155.53, -69.97], [155.68, -70.32], [155.75, -70.35], [156.0, -70.25], [156.25, -70.35], [156.5, -70.25], [157.03, -70.47], [157.25, -71.0], [157.03, -71.53], [156.5, -71.75], [156.25, -71.65], [156.0, -71.75], [155.75, -71.65], [155.68, -71.68], [155.53, -72.03], [155.0, -72.25], [154.75, -72.15], [154.5, -72.25], [154.25, -72.15], [154.0, -72.25], [153.75, -72.15], [153.5, -72.25], [153.25, -72.15], [153.0, -72.25], [152.75, -72.15], [152.5, -72.25], [152.25, -72.15], [152.0, -72.25], [151.75, -72.15], [151.5, -72.25], [151.25, -72.15], [151.0, -72.25], [150.75, -72.15], [150.5, -72.25], [150.25, -72.15], [150.0, -72.25], [149.47, -72.03], [149.32, -71.68], [149.25, -71.65], [149.0, -71.75], [148.75, -71.65], [148.5, -71.75], [148.25, -71.65], [148.0, -71.75], [147.47, -71.53], [147.32, -71.18], [147.25, -71.15], [147.0, -71.25], [146.75, -71.15], [146.5, -71.25], [146.25, -71.15], [146.0, -71.25], [145.47, -71.03], [145.32, -70.68], [145.25, -70.65], [145.0, -70.75], [144.47, -70.53], [144.25, -70.0], [144.35, -69.75], [144.25, -69.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.245625933855138}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 11.498088949173683}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-24.390613155891685, -24.05114068637792, -24.762664532671494, -22.83214086955749, -27.512238123665583]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-19.44710796133191, -17.682672196886273, -16.950325251323363, -16.49696761835588, -23.311609250509918]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [11.224976859257648, 10.643046053550728, 10.974574525404241, 13.071916283337924, 11.14355988580733]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [12.79591408219261, 12.41863051901285, 12.460878701536814, 14.245625933855138, 12.954726587465217]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5747796807687169, 1.5222388346295281, 1.5935567269110673, 1.9263926036464591, 1.690517514869216]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6662002752665486, 1.6403565161706397, 1.7637359536780777, 2.066570294509984, 1.9699677881472193]}}