{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:16.208880", "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": "2020-Aug-22_to_2020-Aug-25_230.0_63.0"}, "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": 2020080002565}, "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": "August 22 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 25 2020"}, "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": 55940.26521356801}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.W.North-America"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["North 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": 63.0}, "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": 230.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "230.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 224.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 231.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-136.25, 64.5], [-136.03, 65.03], [-135.5, 65.25], [-135.25, 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"MultiPolygon", "coordinates": [[[[-136.25, 64.5], [-136.03, 65.03], [-135.5, 65.25], [-135.25, 65.15], [-135.0, 65.25], [-134.75, 65.15], [-134.5, 65.25], [-134.25, 65.15], [-134.0, 65.25], [-133.75, 65.15], [-133.68, 65.18], [-133.53, 65.53], [-133.0, 65.75], [-132.75, 65.65], [-132.5, 65.75], [-131.97, 65.53], [-131.82, 65.18], [-131.75, 65.15], [-131.5, 65.25], [-131.25, 65.15], [-131.0, 65.25], [-130.75, 65.15], [-130.5, 65.25], [-129.97, 65.03], [-129.75, 64.5], [-129.93, 64.07], [-129.68, 64.18], [-129.53, 64.53], [-129.0, 64.75], [-128.47, 64.53], [-128.25, 64.0], [-128.46, 63.5], [-128.25, 63.0], [-128.47, 62.47], [-128.82, 62.32], [-128.97, 61.97], [-129.5, 61.75], [-129.75, 61.85], [-130.0, 61.75], [-130.25, 61.85], [-130.5, 61.75], [-131.03, 61.97], [-131.18, 62.32], [-131.25, 62.35], [-131.5, 62.25], [-132.0, 62.46], [-132.5, 62.25], [-133.03, 62.47], [-133.18, 62.82], [-133.25, 62.85], [-133.5, 62.75], [-134.03, 62.97], [-134.18, 63.32], [-134.25, 63.35], [-134.5, 63.25], [-134.75, 63.35], [-135.0, 63.25], [-135.53, 63.47], [-135.68, 63.82], [-136.03, 63.97], [-136.25, 64.5]]]]}, "2020-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-136.25, 64.5], [-136.03, 65.03], [-135.5, 65.25], [-135.25, 65.15], [-135.0, 65.25], [-134.75, 65.15], [-134.5, 65.25], [-134.25, 65.15], [-134.0, 65.25], [-133.75, 65.15], [-133.68, 65.18], [-133.53, 65.53], [-133.0, 65.75], [-132.75, 65.65], [-132.5, 65.75], [-131.97, 65.53], [-131.82, 65.18], [-131.75, 65.15], [-131.5, 65.25], [-131.25, 65.15], [-131.0, 65.25], [-130.75, 65.15], [-130.5, 65.25], [-129.97, 65.03], [-129.75, 64.5], [-129.93, 64.07], [-129.68, 64.18], [-129.53, 64.53], [-129.0, 64.75], [-128.47, 64.53], [-128.25, 64.0], [-128.46, 63.5], [-128.25, 63.0], [-128.47, 62.47], [-128.82, 62.32], [-128.97, 61.97], [-129.5, 61.75], [-129.75, 61.85], [-130.0, 61.75], [-130.25, 61.85], [-130.5, 61.75], [-131.03, 61.97], [-131.18, 62.32], [-131.25, 62.35], [-131.5, 62.25], [-132.0, 62.46], 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