{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:04.821597", "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": "2012-Jul-22_to_2012-Jul-27_274.5_32.5"}, "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": 2012070002762}, "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 22 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 27 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 145258.55806429384}, "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": []}, "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": 32.5}, "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": 274.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "274.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 271.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 278.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 31.25}, "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": {"2012-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.0, 32.75], [-84.47, 32.53], [-84.25, 32.0], [-84.47, 31.47], [-85.0, 31.25], [-85.53, 31.47], [-85.75, 32.0], [-85.53, 32.53], [-85.0, 32.75]]]]}, "2012-07-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.03, 33.03], [-86.68, 33.18], [-86.53, 33.53], [-86.0, 33.75], [-85.47, 33.53], [-85.32, 33.18], [-85.25, 33.15], [-85.0, 33.25], [-84.75, 33.15], [-84.5, 33.25], [-83.97, 33.03], [-83.75, 32.5], [-83.97, 31.97], [-84.32, 31.82], [-84.35, 31.75], [-84.25, 31.5], [-84.47, 30.97], [-85.0, 30.75], [-85.25, 30.85], [-85.5, 30.75], [-86.03, 30.97], [-86.18, 31.32], [-86.53, 31.47], [-86.68, 31.82], [-87.03, 31.97], [-87.25, 32.5], [-87.03, 33.03]]], [[[-84.53, 33.97], [-84.75, 34.5], [-84.53, 35.03], [-84.0, 35.25], [-83.47, 35.03], [-83.25, 34.5], [-83.47, 33.97], [-84.0, 33.75], [-84.53, 33.97]]]]}, "2012-07-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-88.53, 33.03], [-88.18, 33.18], [-88.03, 33.53], [-87.5, 33.75], [-87.25, 33.65], [-87.18, 33.68], [-87.03, 34.03], [-86.68, 34.18], [-86.53, 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33.03], [-88.18, 33.18], [-88.03, 33.53], [-87.5, 33.75], [-87.25, 33.65], [-87.18, 33.68], [-87.03, 34.03], [-86.68, 34.18], [-86.53, 34.53], [-86.0, 34.75], [-85.75, 34.65], [-85.68, 34.68], [-85.53, 35.03], [-85.0, 35.25], [-84.75, 35.15], [-84.68, 35.18], [-84.53, 35.53], [-84.0, 35.75], [-83.47, 35.53], [-83.32, 35.18], [-82.97, 35.03], [-82.82, 34.68], [-82.47, 34.53], [-82.32, 34.18], [-82.25, 34.15], [-82.0, 34.25], [-81.75, 34.15], [-81.5, 34.25], [-80.97, 34.03], [-80.75, 33.5], [-80.97, 32.97], [-81.5, 32.75], [-81.75, 32.85], [-82.0, 32.75], [-82.25, 32.85], [-82.5, 32.75], [-82.75, 32.85], [-82.82, 32.82], [-82.85, 32.75], [-82.75, 32.5], [-82.97, 31.97], [-83.32, 31.82], [-83.47, 31.47], [-83.82, 31.32], [-83.97, 30.97], [-84.5, 30.75], [-84.75, 30.85], [-85.0, 30.75], [-85.25, 30.85], [-85.5, 30.75], [-85.75, 30.85], [-86.0, 30.75], [-86.5, 30.96], [-87.0, 30.75], [-87.25, 30.85], [-87.5, 30.75], [-88.03, 30.97], [-88.18, 31.32], [-88.53, 31.47], [-88.75, 32.0], [-88.65, 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