{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:05.071692", "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-Sep-05_to_2024-Sep-07_212.5_64.5"}, "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": 2024090001187}, "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": "September 05 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 07 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": 87472.79139104733}, "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": ["Canada", "United States"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["America", "America"]}, "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": 64.5}, "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": 212.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "212.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 210.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 219.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 63.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[-148.5, 67.04], [-148.18, 67.18], [-148.03, 67.53], [-147.5, 67.75], [-147.25, 67.65], [-147.0, 67.75], [-146.75, 67.65], 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63.5], [-144.97, 62.97], [-145.5, 62.75], [-145.75, 62.85], [-146.0, 62.75], [-146.53, 62.97], [-146.68, 63.32], [-146.75, 63.35], [-147.0, 63.25], [-147.25, 63.35], [-147.5, 63.25], [-147.75, 63.35], [-148.0, 63.25], [-148.53, 63.47], [-148.75, 64.0], [-148.65, 64.25], [-148.75, 64.5], [-148.53, 65.03], [-148.0, 65.25], [-148.25, 65.35], [-148.5, 65.25], [-149.0, 65.46], [-149.5, 65.25], [-150.03, 65.47], [-150.25, 66.0], [-150.03, 66.53], [-149.68, 66.68], [-149.53, 67.03], [-149.0, 67.25], [-148.5, 67.04]], [[-147.75, 65.15], [-147.68, 65.18], [-147.57, 65.43], [-148.0, 65.25], [-147.75, 65.15]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-09-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-149.53, 67.03], [-149.0, 67.25], [-148.5, 67.04], 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anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.492704241026489, 4.0170846446723765, 3.9012875126719004]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.160387253958561, 4.911646949927899, 4.929172896290254]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4260830643326166, 1.539750664763657, 1.4300076099045467]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8125693846666544, 1.8492297816050498, 1.7258116219909843]}}