{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:52:30.713291", "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-Jul-03_to_2024-Jul-09_275.5_35.5"}, "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": 2024070001226}, "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 03 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 09 2024"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 50484.03487431449}, "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": 35.5}, "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": 275.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "275.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 273.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 276.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 34.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 36.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-07-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.03, 35.53], [-86.68, 35.68], [-86.53, 36.03], [-86.18, 36.18], [-86.03, 36.53], [-85.5, 36.75], [-85.25, 36.65], [-85.0, 36.75], [-84.75, 36.65], [-84.5, 36.75], [-84.25, 36.65], [-84.0, 36.75], [-83.47, 36.53], [-83.25, 36.0], [-83.35, 35.75], [-83.25, 35.5], [-83.47, 34.97], [-83.82, 34.82], [-83.97, 34.47], [-84.32, 34.32], [-84.47, 33.97], [-85.0, 33.75], [-85.25, 33.85], [-85.5, 33.75], [-85.75, 33.85], [-86.0, 33.75], [-86.25, 33.85], [-86.5, 33.75], [-87.03, 33.97], [-87.25, 34.5], [-87.15, 34.75], [-87.25, 35.0], [-87.03, 35.53]]]]}, "2024-07-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.03, 35.53], [-86.68, 35.68], [-86.53, 36.03], [-86.18, 36.18], [-86.03, 36.53], [-85.5, 36.75], [-85.25, 36.65], [-85.0, 36.75], [-84.75, 36.65], [-84.5, 36.75], [-84.25, 36.65], [-84.0, 36.75], [-83.47, 36.53], [-83.25, 36.0], [-83.35, 35.75], [-83.25, 35.5], [-83.35, 35.25], [-83.25, 35.0], [-83.47, 34.47], [-84.0, 34.25], [-84.25, 34.35], [-84.32, 34.32], [-84.47, 33.97], [-85.0, 33.75], [-85.25, 33.85], [-85.5, 33.75], [-85.75, 33.85], [-86.0, 33.75], [-86.25, 33.85], [-86.5, 33.75], [-87.03, 33.97], [-87.25, 34.5], [-87.15, 34.75], [-87.25, 35.0], [-87.03, 35.53]]]]}, "2024-07-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-87.03, 35.53], [-86.68, 35.68], [-86.53, 36.03], [-86.18, 36.18], [-86.03, 36.53], [-85.5, 36.75], [-85.25, 36.65], [-85.0, 36.75], [-84.75, 36.65], [-84.5, 36.75], [-84.25, 36.65], [-84.0, 36.75], [-83.47, 36.53], [-83.25, 36.0], [-83.35, 35.75], [-83.25, 35.5], [-83.35, 35.25], [-83.25, 35.0], [-83.47, 34.47], [-84.0, 34.25], [-84.25, 34.35], [-84.32, 34.32], [-84.47, 33.97], [-85.0, 33.75], [-85.25, 33.85], [-85.5, 33.75], [-85.75, 33.85], [-86.0, 33.75], [-86.25, 33.85], [-86.5, 33.75], [-87.03, 33.97], [-87.25, 34.5], [-87.15, 34.75], [-87.25, 35.0], [-87.03, 35.53]]]]}, "2024-07-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-84.0, 35.75], [-83.47, 35.53], [-83.25, 35.0], [-83.47, 34.47], [-84.0, 34.25], [-84.53, 34.47], [-84.75, 35.0], [-84.53, 35.53], [-84.0, 35.75]]]]}, "2024-07-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.75, 35.5], [-85.53, 36.03], [-85.0, 36.25], [-84.75, 36.15], [-84.5, 36.25], [-84.25, 36.15], [-84.0, 36.25], [-83.75, 36.15], [-83.5, 36.25], [-82.97, 36.03], [-82.75, 35.5], [-82.97, 34.97], [-83.32, 34.82], [-83.47, 34.47], [-84.0, 34.25], [-84.25, 34.35], [-84.5, 34.25], [-85.03, 34.47], [-85.18, 34.82], [-85.53, 34.97], [-85.75, 35.5]]]]}, "2024-07-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.75, 35.5], [-85.53, 36.03], [-85.0, 36.25], [-84.75, 36.15], [-84.5, 36.25], [-84.25, 36.15], [-84.0, 36.25], [-83.75, 36.15], [-83.5, 36.25], [-82.97, 36.03], [-82.75, 35.5], [-82.97, 34.97], [-83.32, 34.82], [-83.47, 34.47], [-84.0, 34.25], [-84.25, 34.35], [-84.5, 34.25], [-85.03, 34.47], [-85.18, 34.82], [-85.53, 34.97], [-85.75, 35.5]]]]}, "2024-07-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[-85.75, 35.5], [-85.53, 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{"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8605414835799248, 2.666254472258586, 2.1491168534565905, 1.3347437740231891, 1.5809844613121273, 2.0326383563692167, 2.312218383128684]}}