{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:58.384403", "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": "2024-Aug-12_to_2024-Aug-17_288.0_-76.5"}, "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": 2024080001730}, "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 12 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 17 2024"}, "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": 56186.931047547856}, "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": ["Antarctica"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Antarctica"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Antarctica"]}, "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": ["Southern 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": -76.5}, "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": 288.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "288.0\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": 291.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": -79.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": -75.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.25, -78.0], [-86.15, -77.75], [-86.25, -77.5], [-86.03, -76.97], [-85.68, -76.82], [-85.53, -76.47], [-85.0, -76.25], [-84.75, -76.35], [-84.5, -76.25], [-84.25, -76.35], [-84.0, -76.25], [-83.75, -76.35], [-83.5, -76.25], [-83.25, -76.35], [-83.0, -76.25], [-82.75, -76.35], [-82.5, -76.25], [-82.25, -76.35], [-82.0, -76.25], [-81.75, -76.35], [-81.5, -76.25], [-81.25, -76.35], [-81.18, -76.32], [-81.03, -75.97], [-80.68, -75.82], [-80.53, -75.47], [-80.0, -75.25], [-79.75, -75.35], [-79.5, -75.25], [-79.25, -75.35], [-79.0, -75.25], [-78.75, -75.35], [-78.5, -75.25], [-78.25, -75.35], [-78.0, -75.25], [-77.75, -75.35], [-77.5, -75.25], [-76.97, -75.47], [-76.82, -75.82], [-76.75, -75.85], [-76.5, -75.75], [-76.25, -75.85], [-76.0, -75.75], [-75.75, -75.85], [-75.5, -75.75], [-75.25, -75.85], [-75.0, -75.75], [-74.75, -75.85], [-74.5, -75.75], [-74.25, -75.85], [-74.0, -75.75], [-73.75, -75.85], [-73.5, -75.75], [-73.25, -75.85], [-73.0, -75.75], [-72.75, -75.85], [-72.5, -75.75], [-72.25, -75.85], [-72.0, -75.75], [-71.75, -75.85], [-71.5, -75.75], [-71.25, -75.85], [-71.0, -75.75], [-70.75, -75.85], [-70.5, -75.75], [-70.25, -75.85], [-70.0, -75.75], [-69.47, -75.97], [-69.25, -76.5], [-69.47, -77.03], [-70.0, -77.25], [-70.25, -77.15], [-70.5, -77.25], [-70.75, -77.15], [-71.0, -77.25], [-71.25, -77.15], [-71.32, -77.18], [-71.47, -77.53], [-72.0, -77.75], [-72.25, -77.65], [-72.5, -77.75], [-72.75, -77.65], [-73.0, -77.75], [-73.25, -77.65], [-73.5, -77.75], [-73.75, -77.65], [-74.0, -77.75], [-74.25, -77.65], [-74.5, -77.75], [-75.03, -77.53], [-75.18, -77.18], [-75.25, -77.15], [-75.5, -77.25], [-75.75, -77.15], [-75.82, -77.18], [-75.97, -77.53], [-76.32, -77.68], [-76.47, -78.03], [-77.0, -78.25], [-77.25, -78.15], [-77.5, -78.25], [-77.75, -78.15], [-78.0, -78.25], [-78.25, -78.15], [-78.5, -78.25], [-78.75, -78.15], [-79.0, -78.25], [-79.25, -78.15], [-79.5, -78.25], [-79.75, -78.15], [-80.0, -78.25], [-80.25, -78.15], [-80.5, -78.25], [-80.75, -78.15], [-81.0, -78.25], [-81.25, -78.15], [-81.5, -78.25], [-81.75, -78.15], [-82.0, -78.25], [-82.25, -78.15], [-82.5, -78.25], [-82.75, -78.15], [-83.0, -78.25], [-83.25, -78.15], [-83.5, -78.25], [-83.75, -78.15], [-83.82, -78.18], [-83.85, -78.25], [-83.75, -78.5], [-83.97, -79.03], [-84.32, -79.18], [-84.47, -79.53], [-85.0, -79.75], [-85.25, -79.65], [-85.5, -79.75], [-85.75, -79.65], [-86.0, -79.75], [-86.53, -79.53], [-86.75, -79.0], [-86.53, -78.47], [-86.18, -78.32], [-86.15, -78.25], [-86.25, -78.0]]]]}, "2024-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, -77.47], [-86.18, -77.32], [-86.03, -76.97], [-85.68, -76.82], [-85.53, -76.47], [-85.0, -76.25], [-84.75, -76.35], [-84.5, -76.25], [-84.25, -76.35], [-84.0, -76.25], [-83.75, -76.35], [-83.5, -76.25], [-83.25, -76.35], [-83.0, -76.25], [-82.75, -76.35], [-82.5, -76.25], [-82.25, -76.35], [-82.0, -76.25], [-81.75, -76.35], [-81.5, -76.25], [-81.25, -76.35], [-81.18, -76.32], [-81.03, -75.97], [-80.68, -75.82], [-80.53, -75.47], [-80.0, -75.25], [-79.75, -75.35], [-79.5, -75.25], [-79.25, -75.35], [-79.0, -75.25], [-78.75, -75.35], [-78.5, -75.25], [-78.25, -75.35], [-78.0, -75.25], [-77.75, -75.35], [-77.5, -75.25], [-76.97, -75.47], [-76.82, -75.82], [-76.75, -75.85], [-76.5, -75.75], [-76.25, -75.85], [-76.0, -75.75], [-75.75, -75.85], [-75.5, -75.75], [-75.25, -75.85], [-75.0, -75.75], [-74.75, -75.85], [-74.5, -75.75], [-74.25, -75.85], [-74.0, -75.75], [-73.75, -75.85], [-73.5, -75.75], [-73.25, -75.85], [-73.0, -75.75], [-72.75, -75.85], [-72.5, -75.75], [-72.25, -75.85], [-72.0, -75.75], [-71.75, -75.85], [-71.5, -75.75], [-71.25, -75.85], [-71.0, -75.75], [-70.75, -75.85], [-70.5, -75.75], [-70.25, -75.85], [-70.0, -75.75], [-69.47, -75.97], [-69.25, -76.5], [-69.47, -77.03], [-70.0, -77.25], [-70.25, -77.15], [-70.5, -77.25], [-70.75, -77.15], [-71.0, -77.25], [-71.25, -77.15], [-71.32, -77.18], [-71.47, -77.53], [-72.0, -77.75], [-72.25, -77.65], [-72.5, -77.75], [-72.75, -77.65], [-73.0, -77.75], [-73.25, -77.65], [-73.5, -77.75], [-73.75, -77.65], [-74.0, -77.75], [-74.25, -77.65], [-74.5, -77.75], [-75.03, -77.53], [-75.18, -77.18], [-75.25, -77.15], [-75.5, -77.25], [-75.75, -77.15], [-75.82, -77.18], [-75.97, -77.53], [-76.32, -77.68], [-76.47, -78.03], [-77.0, -78.25], [-77.25, -78.15], [-77.5, -78.25], [-77.75, -78.15], [-78.0, -78.25], [-78.25, -78.15], [-78.5, -78.25], [-78.75, -78.15], [-79.0, -78.25], [-79.25, -78.15], [-79.5, -78.25], [-79.75, -78.15], [-80.0, -78.25], [-80.25, -78.15], [-80.5, -78.25], [-80.75, -78.15], [-81.0, -78.25], [-81.25, -78.15], [-81.5, -78.25], [-81.75, -78.15], [-82.0, -78.25], [-82.25, -78.15], [-82.5, -78.25], [-82.75, -78.15], [-83.0, -78.25], [-83.25, -78.15], [-83.5, -78.25], [-83.75, -78.15], [-83.82, -78.18], [-83.85, -78.25], [-83.75, -78.5], [-83.97, -79.03], [-84.32, -79.18], [-84.47, -79.53], [-85.0, -79.75], [-85.25, -79.65], [-85.5, -79.75], [-85.75, -79.65], [-86.0, -79.75], [-86.53, -79.53], [-86.75, -79.0], [-86.54, -78.5], [-86.75, -78.0], [-86.53, -77.47]]]]}, "2024-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, -77.47], [-86.18, -77.32], [-86.03, -76.97], [-85.68, -76.82], [-85.53, -76.47], [-85.0, -76.25], [-84.75, -76.35], [-84.5, -76.25], [-84.25, -76.35], [-84.0, -76.25], [-83.75, -76.35], [-83.5, -76.25], [-83.25, -76.35], [-83.0, -76.25], [-82.75, -76.35], [-82.5, -76.25], [-82.25, -76.35], [-82.0, -76.25], [-81.75, -76.35], [-81.5, -76.25], [-81.25, -76.35], [-81.18, -76.32], [-81.03, -75.97], [-80.68, -75.82], [-80.53, -75.47], [-80.0, -75.25], [-79.75, -75.35], [-79.5, -75.25], [-79.25, -75.35], [-79.0, -75.25], [-78.75, -75.35], [-78.5, -75.25], [-78.25, -75.35], [-78.0, -75.25], [-77.75, -75.35], [-77.5, -75.25], [-76.97, -75.47], [-76.82, -75.82], [-76.75, -75.85], [-76.5, -75.75], [-76.25, -75.85], [-76.0, -75.75], [-75.75, -75.85], [-75.5, -75.75], [-75.25, -75.85], [-75.0, -75.75], [-74.75, -75.85], [-74.5, -75.75], [-74.25, -75.85], [-74.0, -75.75], [-73.75, -75.85], [-73.5, -75.75], [-73.25, -75.85], [-73.0, -75.75], [-72.75, -75.85], [-72.5, -75.75], [-72.25, -75.85], [-72.0, -75.75], [-71.75, -75.85], [-71.5, -75.75], [-71.25, -75.85], [-71.0, -75.75], [-70.75, -75.85], [-70.5, -75.75], [-70.25, -75.85], [-70.0, -75.75], [-69.47, -75.97], [-69.25, -76.5], [-69.47, -77.03], [-70.0, -77.25], [-70.25, -77.15], [-70.5, -77.25], [-70.75, -77.15], [-71.0, -77.25], [-71.25, -77.15], [-71.32, -77.18], [-71.47, -77.53], [-72.0, -77.75], [-72.25, -77.65], [-72.5, -77.75], [-72.75, -77.65], [-73.0, -77.75], [-73.25, -77.65], [-73.5, -77.75], [-73.75, -77.65], [-74.0, -77.75], [-74.25, -77.65], [-74.5, -77.75], [-75.03, -77.53], [-75.18, -77.18], [-75.25, -77.15], [-75.5, -77.25], [-75.75, -77.15], [-75.82, -77.18], [-75.97, -77.53], [-76.32, -77.68], [-76.47, -78.03], [-77.0, -78.25], [-77.25, -78.15], [-77.5, -78.25], [-77.75, -78.15], [-78.0, -78.25], [-78.25, -78.15], [-78.5, -78.25], [-78.75, -78.15], [-79.0, -78.25], [-79.25, -78.15], [-79.5, -78.25], [-79.75, -78.15], [-80.0, -78.25], [-80.25, -78.15], [-80.5, -78.25], [-80.75, -78.15], [-81.0, -78.25], [-81.25, -78.15], [-81.5, -78.25], [-81.75, -78.15], [-82.0, -78.25], [-82.25, -78.15], [-82.5, -78.25], [-82.75, -78.15], [-83.0, -78.25], [-83.25, -78.15], [-83.5, -78.25], [-83.75, -78.15], [-83.82, -78.18], [-83.85, -78.25], [-83.75, -78.5], [-83.97, -79.03], [-84.32, -79.18], [-84.47, -79.53], [-85.0, -79.75], [-85.25, -79.65], [-85.5, -79.75], [-85.75, -79.65], [-86.0, -79.75], [-86.53, -79.53], [-86.75, -79.0], [-86.54, -78.5], [-86.75, -78.0], [-86.53, -77.47]]]]}, "2024-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-86.53, -77.47], [-86.18, -77.32], [-86.03, -76.97], [-85.68, -76.82], [-85.53, -76.47], [-85.0, -76.25], [-84.75, -76.35], [-84.5, -76.25], [-84.25, -76.35], [-84.0, -76.25], [-83.75, -76.35], [-83.5, -76.25], [-83.25, -76.35], [-83.0, -76.25], [-82.75, -76.35], [-82.5, -76.25], [-82.25, -76.35], [-82.0, -76.25], [-81.75, -76.35], [-81.5, -76.25], [-81.25, -76.35], [-81.18, -76.32], [-81.03, -75.97], [-80.68, -75.82], [-80.53, -75.47], [-80.0, -75.25], [-79.75, -75.35], [-79.5, -75.25], [-79.25, -75.35], [-79.0, -75.25], [-78.75, -75.35], [-78.5, -75.25], [-78.25, -75.35], [-78.0, -75.25], [-77.75, -75.35], [-77.5, -75.25], [-76.97, -75.47], [-76.82, -75.82], [-76.75, -75.85], [-76.5, -75.75], [-76.25, -75.85], [-76.0, -75.75], [-75.75, -75.85], [-75.5, -75.75], [-75.25, -75.85], [-75.0, -75.75], [-74.75, -75.85], [-74.5, -75.75], [-74.25, -75.85], [-74.0, -75.75], [-73.75, -75.85], [-73.5, -75.75], [-73.25, -75.85], [-73.0, -75.75], [-72.75, -75.85], [-72.5, -75.75], [-72.25, -75.85], [-72.0, -75.75], [-71.75, -75.85], [-71.5, -75.75], [-71.25, -75.85], [-71.18, -75.82], [-71.03, -75.47], [-70.5, -75.25], [-70.25, -75.35], [-70.0, -75.25], [-69.75, -75.35], [-69.5, -75.25], [-69.25, -75.35], [-69.0, -75.25], [-68.47, -75.47], [-68.25, -76.0], [-68.47, -76.53], [-69.0, -76.75], [-69.25, -76.65], [-69.32, -76.68], [-69.47, -77.03], [-70.0, -77.25], [-70.25, -77.15], [-70.5, -77.25], [-70.75, -77.15], [-71.0, -77.25], [-71.25, -77.15], [-71.32, -77.18], [-71.47, -77.53], [-72.0, -77.75], [-72.25, -77.65], [-72.5, -77.75], [-72.75, -77.65], [-73.0, -77.75], [-73.25, -77.65], [-73.5, -77.75], [-73.75, -77.65], [-74.0, -77.75], [-74.25, -77.65], [-74.5, -77.75], [-75.03, -77.53], [-75.18, -77.18], [-75.25, -77.15], [-75.5, -77.25], [-75.75, -77.15], [-76.0, -77.25], [-76.25, -77.15], [-76.32, -77.18], [-76.35, -77.25], [-76.25, -77.5], [-76.47, -78.03], [-77.0, -78.25], [-77.25, -78.15], [-77.5, -78.25], [-77.75, -78.15], [-78.0, -78.25], [-78.25, -78.15], [-78.5, -78.25], [-78.75, -78.15], [-79.0, -78.25], [-79.25, -78.15], [-79.5, -78.25], [-79.75, -78.15], [-80.0, -78.25], [-80.25, -78.15], [-80.5, -78.25], [-80.75, -78.15], [-81.0, -78.25], [-81.25, -78.15], [-81.5, -78.25], [-81.75, -78.15], [-82.0, -78.25], [-82.25, -78.15], [-82.5, -78.25], [-83.03, -78.03], [-83.18, -77.68], [-83.25, -77.65], [-83.5, -77.75], [-83.75, -77.65], [-83.82, -77.68], [-83.97, -78.03], [-84.5, -78.25], [-84.8, -78.12], [-84.85, -78.25], [-84.82, -78.32], [-84.47, -78.47], [-84.25, -79.0], [-84.47, -79.53], [-85.0, -79.75], [-85.25, -79.65], [-85.5, -79.75], [-85.75, -79.65], [-86.0, -79.75], [-86.53, -79.53], [-86.75, -79.0], [-86.54, -78.5], [-86.75, -78.0], [-86.53, -77.47]]]]}, "2024-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.47, -77.47], [-85.32, -77.82], [-84.97, -77.97], [-84.75, -78.5], [-84.97, -79.03], [-85.32, -79.18], [-85.47, -79.53], [-86.0, -79.75], [-86.53, -79.53], [-86.75, -79.0], [-86.54, -78.5], [-86.75, -78.0], [-86.53, -77.47], [-86.0, -77.25], [-85.47, -77.47]]], [[[-83.03, -76.47], [-82.5, -76.25], [-82.25, -76.35], [-82.0, -76.25], [-81.75, -76.35], [-81.5, -76.25], [-81.25, -76.35], [-81.18, -76.32], [-81.03, -75.97], [-80.5, -75.75], [-80.25, -75.85], [-80.0, -75.75], [-79.75, -75.85], [-79.5, -75.75], [-79.25, -75.85], [-79.0, -75.75], [-78.47, -75.97], [-78.32, -76.32], [-77.97, -76.47], [-77.75, -77.0], [-77.97, -77.53], [-78.5, -77.75], [-78.75, -77.65], [-79.0, -77.75], [-79.25, -77.65], [-79.5, -77.75], [-79.75, -77.65], [-80.0, -77.75], [-80.25, -77.65], [-80.5, -77.75], [-80.75, -77.65], [-81.0, -77.75], [-81.25, -77.65], [-81.5, -77.75], [-81.75, -77.65], [-82.0, -77.75], [-82.25, -77.65], [-82.5, -77.75], [-83.03, -77.53], [-83.25, -77.0], [-83.03, -76.47]]], [[[-73.53, -75.97], [-73.0, -75.75], [-72.75, -75.85], [-72.5, -75.75], [-72.25, -75.85], [-72.0, -75.75], [-71.47, -75.97], [-71.25, -76.5], [-71.47, -77.03], [-72.0, -77.25], [-72.25, -77.15], [-72.5, -77.25], [-72.75, -77.15], [-73.0, -77.25], [-73.53, -77.03], [-73.75, -76.5], [-73.53, -75.97]]], [[[-71.03, -75.47], [-70.5, -75.25], [-70.25, -75.35], [-70.0, -75.25], [-69.75, -75.35], [-69.5, -75.25], [-69.25, -75.35], [-69.0, -75.25], [-68.47, -75.47], [-68.25, -76.0], [-68.47, -76.53], [-69.0, -76.75], [-69.25, -76.65], [-69.5, -76.75], [-69.75, -76.65], [-70.0, -76.75], [-70.25, -76.65], [-70.5, -76.75], [-71.03, -76.53], [-71.25, -76.0], [-71.03, -75.47]]]]}, "2024-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-71.03, -76.53], [-71.25, -76.0], [-71.03, -75.47], [-70.5, -75.25], [-70.25, -75.35], [-70.0, -75.25], [-69.75, -75.35], [-69.5, -75.25], [-69.25, -75.35], [-69.0, -75.25], [-68.47, -75.47], [-68.25, -76.0], [-68.47, -76.53], [-69.0, -76.75], [-69.25, -76.65], [-69.5, -76.75], [-69.75, -76.65], [-70.0, -76.75], [-70.25, -76.65], [-70.5, -76.75], [-71.03, -76.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 18.97632361163025}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 11.28222189560871}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-18.680406948951287, -19.482520598345502, -22.187169776579537, -20.828238003193007, -20.335357779032336, -19.614853284128515]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-13.119885181669076, -14.032907577971116, -16.162901280597964, -14.390623623702197, -13.219033033958794, -19.305535498309467]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [12.922600654632191, 12.21890627178519, 9.48547326476761, 10.826116589507489, 10.36570731376725, 10.265143058391722]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [18.97632361163025, 17.7076149457325, 15.620582647043335, 16.862399772148166, 17.063947138184602, 10.867413664152366]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.4393274145779285, 2.3293956150040804, 1.7549441394707377, 1.8947251489640544, 1.7619020015343247, 1.501761061389907]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [3.2113192530953873, 3.1562669536066097, 2.4944529764385246, 2.6262444756629377, 2.460917085875103, 1.5820549197489207]}}