{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-03-19 18:11:19.956046", "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": "2020-Feb-08_to_2020-Feb-11_26.5_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": 2020020000347}, "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 08 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 11 2020"}, "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": "Cold spell"}, "area": {"name": "Area", "description": "The area (in square meters) encompassing all grid points under the influence of an event during its lifetime.", "value": 72845.18768301203}, "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": ["Egypt"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa"]}, "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": 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": 26.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 25.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 23.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 26.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "Polygon", "coordinates": [[[24.97, 26.03], [25.5, 26.25], [26.0, 26.043], [26.5, 26.25], [26.75, 26.146], [27.0, 26.25], [27.25, 26.146], [27.251, 26.146], [27.5, 26.25], [27.749, 26.146], [27.75, 26.146], [28.0, 26.25], [28.25, 26.146], [28.323, 26.177], [28.47, 26.53], [29.0, 26.75], [29.25, 26.646], [29.5, 26.75], [30.03, 26.53], [30.25, 26.0], [30.146, 25.75], [30.25, 25.5], [30.146, 25.25], [30.25, 25.0], [30.03, 24.47], [29.5, 24.25], [29.25, 24.354], [29.0, 24.25], [28.75, 24.354], [28.677, 24.323], [28.53, 23.97], [28.0, 23.75], [27.75, 23.854], [27.5, 23.75], [27.25, 23.854], [27.177, 23.823], [27.156, 23.774], [27.146, 23.75], [27.25, 23.5], [27.03, 22.97], [26.5, 22.75], [25.97, 22.97], [25.823, 23.323], [25.75, 23.354], [25.5, 23.25], [24.97, 23.47], [24.75, 24.0], [24.97, 24.53], [25.375, 24.698], [25.323, 24.823], [24.97, 24.97], [24.75, 25.5], [24.97, 26.03]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Sahara"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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