{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:08:59.673919", "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": "2017-Sep-23_to_2017-Sep-27_40.0_27.5"}, "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": 2017090002486}, "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": "September 23 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 27 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 75692.34254858657}, "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", "Mediterranean", "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": 27.5}, "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": 40.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "40.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 39.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 41.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 26.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 31.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-09-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.75, 28.0], [38.97, 28.53], [39.32, 28.68], [39.35, 28.75], 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32.03], [40.75, 31.5], [40.65, 31.25], [40.68, 31.18], [40.75, 31.15], [41.0, 31.25], [41.53, 31.03], [41.68, 30.68], [42.03, 30.53], [42.25, 30.0], [42.15, 29.75], [42.25, 29.5], [42.03, 28.97], [41.68, 28.82], [41.65, 28.75], [41.75, 28.5], [41.65, 28.25], [41.75, 28.0], [41.65, 27.75], [41.75, 27.5], [41.53, 26.97], [41.0, 26.75], [40.75, 26.85], [40.68, 26.82], [40.53, 26.47], [40.0, 26.25], [39.75, 26.35], [39.5, 26.25], [38.97, 26.47], [38.75, 27.0], [38.85, 27.25], [38.75, 27.5], [38.85, 27.75]]]]}, "2017-09-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[38.85, 27.75], [38.75, 28.0], [38.97, 28.53], [39.32, 28.68], [39.35, 28.75], [39.25, 29.0], [39.35, 29.25], [39.25, 29.5], [39.47, 30.03], [39.82, 30.18], [39.85, 30.25], [39.82, 30.32], [39.47, 30.47], [39.32, 30.82], [38.97, 30.97], [38.75, 31.5], [38.97, 32.03], [39.5, 32.25], [39.75, 32.15], [40.0, 32.25], [40.53, 32.03], [40.75, 31.5], [40.65, 31.25], [40.68, 31.18], [40.75, 31.15], [41.0, 31.25], 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anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8292078008864, 2.305279266174873, 2.132608056725317, 1.8765590775370804, 1.4176036165349428]}}