{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:27:09.204718", "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": "2021-Aug-24_to_2021-Aug-29_47.5_22.0"}, "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": 2021080002719}, "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 24 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 29 2021"}, "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": 56953.78467193199}, "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": ["Saudi Arabia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "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": 22.0}, "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": 47.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "47.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 45.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 49.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 21.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 24.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-08-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.5, 22.75], [48.03, 22.53], [48.25, 22.0], [48.03, 21.47], [47.5, 21.25], [46.97, 21.47], [46.75, 22.0], [46.97, 22.53], [47.5, 22.75]]]]}, "2021-08-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.32, 22.68], [47.47, 23.03], [47.82, 23.18], [47.97, 23.53], [48.5, 23.75], [49.03, 23.53], [49.18, 23.18], [49.53, 23.03], [49.75, 22.5], [49.53, 21.97], [49.18, 21.82], [49.03, 21.47], [48.5, 21.25], [48.25, 21.35], [48.18, 21.32], [48.03, 20.97], [47.5, 20.75], [46.97, 20.97], [46.75, 21.5], [46.85, 21.75], [46.75, 22.0], [46.97, 22.53], [47.32, 22.68]]], [[[45.47, 22.97], [45.25, 23.5], [45.47, 24.03], [46.0, 24.25], [46.53, 24.03], [46.75, 23.5], [46.53, 22.97], [46.0, 22.75], [45.47, 22.97]]]]}, "2021-08-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[44.97, 24.03], [45.5, 24.25], [45.75, 24.15], [46.0, 24.25], [46.3, 24.13], [46.35, 24.25], [46.25, 24.5], [46.47, 25.03], [47.0, 25.25], [47.25, 25.15], [47.5, 25.25], [48.03, 25.03], [48.25, 24.5], [48.03, 23.97], [47.68, 23.82], [47.65, 23.75], [47.75, 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1.3613209398954167]}}