{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:01.462819", "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": "2011-Jul-12_to_2011-Jul-14_227.0_59.5"}, "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": 2011070002404}, "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": "July 12 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 14 2011"}, "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": 76361.2323564088}, "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": 59.5}, "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": 227.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "227.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 225.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 232.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 58.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 63.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-07-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-134.75, 60.5], [-134.53, 61.03], [-134.0, 61.25], [-133.47, 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[-132.0, 58.25], [-132.25, 58.35], [-132.5, 58.25], [-133.03, 58.47], [-133.18, 58.82], [-133.25, 58.85], [-133.5, 58.75], [-134.0, 58.96], [-134.5, 58.75], [-135.03, 58.97], [-135.25, 59.5], [-135.03, 60.03], [-134.68, 60.18], [-134.65, 60.25], [-134.75, 60.5]]]]}, "2011-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-134.75, 60.5], [-134.53, 61.03], [-134.0, 61.25], [-133.47, 61.03], [-133.32, 60.68], [-133.25, 60.65], [-133.18, 60.68], [-133.03, 61.03], [-132.68, 61.18], [-132.65, 61.25], [-132.75, 61.5], [-132.53, 62.03], [-132.0, 62.25], [-131.75, 62.15], [-131.68, 62.18], [-131.53, 62.53], [-131.18, 62.68], [-131.03, 63.03], [-130.68, 63.18], [-130.53, 63.53], [-130.0, 63.75], [-129.75, 63.65], [-129.5, 63.75], [-129.25, 63.65], [-129.0, 63.75], [-128.75, 63.65], [-128.5, 63.75], [-128.25, 63.65], [-128.0, 63.75], [-127.47, 63.53], [-127.32, 63.18], [-126.97, 63.03], [-126.75, 62.5], [-126.97, 61.97], [-127.32, 61.82], [-127.47, 61.47], [-128.0, 61.25], 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