{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:33:16.033140", "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-Nov-17_to_2022-Nov-23_38.5_24.0"}, "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": 2022110002250}, "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": "November 17 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 23 2022"}, "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": 65619.34366030732}, "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": ["Red Sea"]}, "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": 24.0}, "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": 38.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "38.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 37.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 39.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 20.25}, "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": {"2022-11-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.5, 21.25], [40.03, 21.03], [40.25, 20.5], [40.03, 19.97], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], [38.97, 21.03], [39.5, 21.25]]]]}, "2022-11-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[39.5, 21.25], [40.03, 21.03], [40.25, 20.5], [40.03, 19.97], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], [38.97, 21.03], [39.5, 21.25]]]]}, "2022-11-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.97, 21.53], [39.5, 21.75], [40.03, 21.53], [40.25, 21.0], [40.15, 20.75], [40.25, 20.5], [40.03, 19.97], [39.5, 19.75], [38.97, 19.97], [38.75, 20.5], [38.85, 20.75], [38.75, 21.0], [38.97, 21.53]]]]}, "2022-11-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 24.53], [37.82, 24.68], [37.97, 25.03], [38.5, 25.25], [39.03, 25.03], [39.18, 24.68], [39.53, 24.53], [39.68, 24.18], [40.03, 24.03], [40.25, 23.5], [40.15, 23.25], [40.25, 23.0], [40.15, 22.75], [40.25, 22.5], [40.03, 21.97], [39.68, 21.82], [39.65, 21.75], [39.68, 21.68], [40.03, 21.53], [40.25, 21.0], [40.15, 20.75], [40.25, 20.5], [40.03, 19.97], [39.5, 19.75], [38.97, 19.97], [38.82, 20.32], [38.47, 20.47], [38.32, 20.82], [37.97, 20.97], [37.75, 21.5], [37.85, 21.75], [37.75, 22.0], [37.85, 22.25], [37.75, 22.5], [37.85, 22.75], [37.82, 22.82], [37.47, 22.97], [37.25, 23.5], [37.35, 23.75], [37.25, 24.0], [37.47, 24.53]]]]}, "2022-11-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 24.53], [37.82, 24.68], [37.97, 25.03], [38.5, 25.25], [39.03, 25.03], [39.18, 24.68], [39.53, 24.53], [39.68, 24.18], [40.03, 24.03], [40.25, 23.5], [40.15, 23.25], [40.25, 23.0], [40.15, 22.75], [40.25, 22.5], [40.15, 22.25], [40.25, 22.0], [40.15, 21.75], [40.25, 21.5], [40.15, 21.25], [40.25, 21.0], [40.15, 20.75], [40.25, 20.5], [40.03, 19.97], [39.5, 19.75], [38.97, 19.97], [38.82, 20.32], [38.47, 20.47], [38.32, 20.82], [37.97, 20.97], [37.75, 21.5], [37.85, 21.75], [37.75, 22.0], [37.85, 22.25], [37.75, 22.5], [37.85, 22.75], [37.82, 22.82], [37.47, 22.97], [37.25, 23.5], [37.35, 23.75], [37.25, 24.0], [37.47, 24.53]]]]}, "2022-11-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.47, 24.53], [37.82, 24.68], [37.97, 25.03], [38.5, 25.25], [39.03, 25.03], [39.18, 24.68], [39.53, 24.53], [39.68, 24.18], [40.03, 24.03], [40.25, 23.5], [40.15, 23.25], [40.25, 23.0], [40.15, 22.75], [40.25, 22.5], [40.15, 22.25], [40.25, 22.0], [40.15, 21.75], [40.25, 21.5], [40.15, 21.25], [40.25, 21.0], [40.03, 20.47], [39.5, 20.25], [39.25, 20.35], [39.0, 20.25], [38.47, 20.47], [38.32, 20.82], [37.97, 20.97], [37.75, 21.5], [37.85, 21.75], [37.75, 22.0], [37.85, 22.25], [37.75, 22.5], [37.85, 22.75], [37.82, 22.82], [37.47, 22.97], [37.25, 23.5], [37.35, 23.75], [37.25, 24.0], [37.47, 24.53]]]]}, "2022-11-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[37.97, 24.53], [38.5, 24.75], [38.75, 24.65], [39.0, 24.75], [39.53, 24.53], [39.75, 24.0], [39.65, 23.75], [39.68, 23.68], [40.03, 23.53], [40.25, 23.0], [40.15, 22.75], [40.25, 22.5], [40.15, 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1.543772089926828, 1.2878366611820076]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3614195705671395, 1.1454688060404163, 1.2608898034219445, 2.534469634119872, 2.6818235895566733, 1.97117323368005, 1.5053002110022993]}}