{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:09:05.392685", "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": "2017-Sep-26_to_2017-Sep-30_280.0_34.5"}, "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": 2017090002676}, "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 26 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 30 2017"}, "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": 134226.62951003888}, "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": ["United States"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": ["North Atlantic Ocean"]}, "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": 34.5}, "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": 280.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "280.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 273.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 281.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 35.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-79.0, 34.75], [-78.47, 34.53], [-78.25, 34.0], [-78.47, 33.47], [-79.0, 33.25], [-79.53, 33.47], [-79.75, 34.0], [-79.53, 34.53], [-79.0, 34.75]]]]}, "2017-09-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.75, 34.5], [-84.53, 35.03], [-84.18, 35.18], [-84.03, 35.53], [-83.5, 35.75], [-83.25, 35.65], [-83.0, 35.75], [-82.47, 35.53], [-82.32, 35.18], [-82.25, 35.15], [-82.0, 35.25], [-81.5, 35.04], [-81.0, 35.25], [-80.75, 35.15], [-80.5, 35.25], [-80.25, 35.15], [-80.0, 35.25], [-79.47, 35.03], [-79.3, 34.62], [-79.0, 34.75], [-78.47, 34.53], [-78.25, 34.0], [-78.35, 33.75], [-78.25, 33.5], [-78.47, 32.97], [-78.82, 32.82], [-78.97, 32.47], [-79.32, 32.32], [-79.47, 31.97], [-80.0, 31.75], [-80.25, 31.85], [-80.32, 31.82], [-80.47, 31.47], [-81.0, 31.25], [-81.53, 31.47], [-81.68, 31.82], [-81.75, 31.85], [-82.0, 31.75], [-82.53, 31.97], [-82.75, 32.5], [-82.65, 32.75], [-82.68, 32.82], [-83.03, 32.97], [-83.18, 33.32], [-83.25, 33.35], [-83.5, 33.25], [-84.03, 33.47], [-84.18, 33.82], [-84.53, 33.97], [-84.75, 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[-82.8, 32.88], [-82.97, 32.47], [-83.32, 32.32], [-83.47, 31.97], [-84.0, 31.75], [-84.25, 31.85], [-84.32, 31.82], [-84.47, 31.47], [-84.82, 31.32], [-84.85, 31.25], [-84.75, 31.0], [-84.97, 30.47], [-85.5, 30.25], [-86.03, 30.47], [-86.18, 30.82], [-86.53, 30.97], [-86.75, 31.5]]]]}, "2017-09-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.75, 31.5], [-86.53, 32.03], [-86.0, 32.25], [-85.75, 32.15], [-85.68, 32.18], [-85.65, 32.25], [-85.75, 32.5], [-85.65, 32.75], [-85.75, 33.0], [-85.53, 33.53], [-85.18, 33.68], [-85.03, 34.03], [-84.62, 34.2], [-84.75, 34.5], [-84.53, 35.03], [-84.18, 35.18], [-84.03, 35.53], [-83.5, 35.75], [-83.25, 35.65], [-83.0, 35.75], [-82.47, 35.53], [-82.32, 35.18], [-82.25, 35.15], [-82.0, 35.25], [-81.5, 35.04], [-81.0, 35.25], [-80.75, 35.15], [-80.5, 35.25], [-80.25, 35.15], [-80.0, 35.25], [-79.47, 35.03], [-79.25, 34.5], [-79.35, 34.25], [-79.3, 34.12], [-79.0, 34.25], [-78.47, 34.03], [-78.25, 33.5], [-78.47, 32.97], 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