{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:23:50.891523", "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-Apr-06_to_2021-Apr-08_39.0_23.0"}, "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": 2021040001836}, "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": "April 06 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 08 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 56170.12517463661}, "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"]}, "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": 23.0}, "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": 39.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "39.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 38.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 40.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 22.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[37.823, 25.823], [37.47, 25.97], [37.25, 26.5], [37.47, 27.03], [38.0, 27.25], [38.25, 27.146], [38.5, 27.25], [38.75, 27.146], [39.0, 27.25], [39.25, 27.146], [39.5, 27.25], [40.03, 27.03], [40.25, 26.5], [40.146, 26.25], [40.25, 26.0], [40.03, 25.47], [39.677, 25.323], [39.625, 25.198], [40.03, 25.03], [40.25, 24.5], [40.125, 24.198], [40.53, 24.03], [40.75, 23.5], [40.53, 22.97], [40.177, 22.823], [40.146, 22.75], [40.177, 22.677], [40.53, 22.53], [40.75, 22.0], [40.53, 21.47], [40.0, 21.25], [39.47, 21.47], [39.323, 21.823], [38.97, 21.97], [38.823, 22.323], [38.47, 22.47], [38.25, 23.0], [38.354, 23.25], [38.25, 23.5], [38.354, 23.75], [38.323, 23.823], [38.25, 23.854], [38.0, 23.75], [37.47, 23.97], [37.25, 24.5], [37.47, 25.03], [37.823, 25.177], [37.957, 25.5], [37.823, 25.823]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Arabian-Peninsula"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-04-06T11:30:00.000000000": {"type": "Polygon", "coordinates": 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