{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:30:09.497588", "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": "2022-Feb-22_to_2022-Feb-25_43.5_29.5"}, "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": 2022020002209}, "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": "February 22 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 25 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 63573.961734664554}, "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": ["Iraq", "Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula", "W.C.Asia"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 29.5}, "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": 43.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "43.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 41.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 44.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 27.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 33.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-02-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[41.5, 33.25], [42.03, 33.03], [42.25, 32.5], [42.03, 31.97], [41.5, 31.75], [40.97, 31.97], [40.75, 32.5], [40.97, 33.03], [41.5, 33.25]]]]}, "2022-02-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.97, 34.03], [41.5, 34.25], [41.75, 34.15], [42.0, 34.25], [42.53, 34.03], [42.68, 33.68], [43.03, 33.53], [43.25, 33.0], [43.15, 32.75], [43.18, 32.68], [43.53, 32.53], [43.68, 32.18], [44.03, 32.03], [44.25, 31.5], [44.15, 31.25], [44.18, 31.18], [44.53, 31.03], [44.75, 30.5], [44.65, 30.25], [44.75, 30.0], [44.53, 29.47], [44.18, 29.32], [44.15, 29.25], [44.25, 29.0], [44.15, 28.75], [44.25, 28.5], [44.03, 27.97], [43.68, 27.82], [43.53, 27.47], [43.18, 27.32], [43.03, 26.97], [42.5, 26.75], [41.97, 26.97], [41.75, 27.5], [41.97, 28.03], [42.32, 28.18], [42.35, 28.25], [42.25, 28.5], [42.47, 29.03], [42.82, 29.18], [42.85, 29.25], [42.75, 29.5], [42.85, 29.75], [42.75, 30.0], [42.85, 30.25], [42.82, 30.32], [42.47, 30.47], [42.25, 31.0], [42.35, 31.25], [42.32, 31.32], [42.25, 31.35], [42.0, 31.25], [41.47, 31.47], [41.32, 31.82], [40.97, 31.97], [40.75, 32.5], [40.96, 33.0], [40.75, 33.5], [40.97, 34.03]]]]}, "2022-02-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.97, 34.03], [41.5, 34.25], [41.75, 34.15], [42.0, 34.25], [42.53, 34.03], [42.68, 33.68], [43.03, 33.53], [43.25, 33.0], [43.15, 32.75], [43.18, 32.68], [43.53, 32.53], [43.68, 32.18], [44.03, 32.03], [44.25, 31.5], [44.15, 31.25], [44.18, 31.18], [44.53, 31.03], [44.75, 30.5], [44.65, 30.25], [44.75, 30.0], [44.53, 29.47], [44.18, 29.32], [44.15, 29.25], [44.25, 29.0], [44.15, 28.75], [44.25, 28.5], [44.03, 27.97], [43.68, 27.82], [43.53, 27.47], [43.18, 27.32], [43.03, 26.97], [42.5, 26.75], [41.97, 26.97], [41.75, 27.5], [41.97, 28.03], [42.32, 28.18], [42.35, 28.25], [42.25, 28.5], [42.47, 29.03], [42.82, 29.18], [42.85, 29.25], [42.75, 29.5], [42.85, 29.75], [42.75, 30.0], [42.85, 30.25], [42.82, 30.32], [42.47, 30.47], [42.25, 31.0], [42.35, 31.25], [42.32, 31.32], [42.25, 31.35], [42.0, 31.25], [41.47, 31.47], [41.32, 31.82], [40.97, 31.97], [40.75, 32.5], [40.96, 33.0], [40.75, 33.5], [40.97, 34.03]]]]}, "2022-02-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[40.75, 33.5], [40.97, 34.03], [41.5, 34.25], [41.75, 34.15], [42.0, 34.25], [42.53, 34.03], [42.68, 33.68], [43.03, 33.53], [43.25, 33.0], [43.15, 32.75], [43.18, 32.68], [43.53, 32.53], [43.68, 32.18], [44.03, 32.03], [44.25, 31.5], [44.15, 31.25], [44.18, 31.18], [44.53, 31.03], [44.75, 30.5], [44.65, 30.25], [44.75, 30.0], [44.53, 29.47], [44.18, 29.32], [44.15, 29.25], [44.25, 29.0], [44.15, 28.75], [44.25, 28.5], [44.03, 27.97], [43.68, 27.82], [43.53, 27.47], [43.18, 27.32], [43.03, 26.97], [42.5, 26.75], [41.97, 26.97], [41.75, 27.5], [41.97, 28.03], [42.32, 28.18], [42.35, 28.25], [42.25, 28.5], [42.47, 29.03], [42.82, 29.18], [42.85, 29.25], [42.75, 29.5], [42.85, 29.75], [42.75, 30.0], [42.85, 30.25], [42.82, 30.32], [42.47, 30.47], [42.25, 31.0], [42.35, 31.25], [42.32, 31.32], [42.25, 31.35], [42.0, 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