{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:47:55.178614", "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-17_288.5_19.5"}, "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": 2011070000798}, "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 17 2011"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 117429.03240785508}, "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": ["Dominican Republic", "Haiti"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Caribbean"]}, "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": ["Caribbean Sea", "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": 19.5}, "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": 288.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 283.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 289.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 16.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 20.25}, "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": [[[[-74.5, 19.25], [-73.97, 19.03], [-73.75, 18.5], [-73.97, 17.97], [-74.5, 17.75], [-75.03, 17.97], [-75.25, 18.5], [-75.03, 19.03], [-74.5, 19.25]]]]}, "2011-07-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.65, 17.75], [-76.75, 18.0], [-76.53, 18.53], [-76.18, 18.68], [-76.03, 19.03], [-75.68, 19.18], [-75.53, 19.53], [-75.0, 19.75], [-74.75, 19.65], [-74.5, 19.75], [-73.97, 19.53], [-73.82, 19.18], [-73.75, 19.15], [-73.62, 19.2], [-73.75, 19.5], [-73.65, 19.75], [-73.75, 20.0], [-73.53, 20.53], [-73.0, 20.75], [-72.47, 20.53], [-72.3, 20.12], [-72.0, 20.25], [-71.75, 20.15], [-71.5, 20.25], [-71.25, 20.15], [-71.0, 20.25], [-70.47, 20.03], [-70.25, 19.5], [-70.47, 18.97], [-71.0, 18.75], [-71.25, 18.85], [-71.37, 18.8], [-71.32, 18.68], [-70.97, 18.53], [-70.75, 18.0], [-70.97, 17.47], [-71.5, 17.25], [-71.75, 17.35], [-72.0, 17.25], [-72.25, 17.35], [-72.32, 17.32], [-72.47, 16.97], [-73.0, 16.75], [-73.25, 16.85], [-73.32, 16.82], [-73.47, 16.47], [-74.0, 16.25], [-74.25, 16.35], [-74.5, 16.25], [-74.75, 16.35], [-75.0, 16.25], [-75.25, 16.35], [-75.5, 16.25], [-75.75, 16.35], [-76.0, 16.25], [-76.53, 16.47], [-76.75, 17.0], [-76.65, 17.25], [-76.75, 17.5], [-76.65, 17.75]]]]}, "2011-07-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-76.65, 17.75], [-76.75, 18.0], [-76.53, 18.53], [-76.18, 18.68], [-76.03, 19.03], [-75.68, 19.18], [-75.53, 19.53], [-75.0, 19.75], [-74.75, 19.65], [-74.5, 19.75], [-73.97, 19.53], [-73.82, 19.18], [-73.75, 19.15], [-73.62, 19.2], [-73.75, 19.5], [-73.65, 19.75], [-73.75, 20.0], [-73.53, 20.53], [-73.0, 20.75], [-72.47, 20.53], [-72.32, 20.18], [-72.25, 20.15], [-72.0, 20.25], [-71.75, 20.15], [-71.5, 20.25], [-71.25, 20.15], [-71.0, 20.25], [-70.47, 20.03], [-70.25, 19.5], [-70.47, 18.97], [-71.0, 18.75], [-71.25, 18.85], [-71.37, 18.8], [-71.32, 18.68], [-70.97, 18.53], [-70.75, 18.0], [-70.97, 17.47], [-71.5, 17.25], [-71.75, 17.35], [-72.0, 17.25], [-72.25, 17.35], [-72.32, 17.32], [-72.47, 16.97], [-73.0, 16.75], [-73.25, 16.85], 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25.00028163703132]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [27.026979626360628, 22.79958660145968, 22.645948906240335, 21.796464410433884, 22.029591547147106, 22.383131049285396]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-0.6810742927973479, -1.112201970717317, -0.968742203973955, -1.2656317963648505, -1.1707110808065095, -1.360470527934308]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-0.6810742927973479, -1.6744456052342684, -1.948614214886561, -2.5479924830346476, -2.4391950630348447, -1.9307014561164806]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.456682794314973, -2.29542903501601, 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