{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:51.544015", "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": "2023-Jun-21_to_2023-Jun-26_20.0_4.0"}, "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": 2023060000775}, "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": "June 21 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 26 2023"}, "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": "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": 86242.75804488048}, "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": ["Central African Republic", "Congo, The Democratic Republic of the"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Africa", "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": 4.0}, "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": 20.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "20.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 20.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 23.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 2.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 7.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[22.53, 3.03], [22.75, 2.5], [22.53, 1.97], [22.0, 1.75], [21.7, 1.87], [21.53, 1.47], [21.0, 1.25], [20.47, 1.47], [20.32, 1.82], [19.97, 1.97], [19.75, 2.5], [19.97, 3.03], [20.32, 3.18], [20.35, 3.25], [20.3, 3.38], [20.0, 3.25], [19.47, 3.47], [19.25, 4.0], [19.35, 4.25], [19.25, 4.5], [19.47, 5.03], [20.0, 5.25], [20.25, 5.15], [20.5, 5.25], [20.8, 5.13], [20.85, 5.25], [20.75, 5.5], [20.85, 5.75], [20.75, 6.0], [20.85, 6.25], [20.75, 6.5], [20.85, 6.75], [20.75, 7.0], [20.97, 7.53], [21.5, 7.75], [21.75, 7.65], [22.0, 7.75], [22.53, 7.53], [22.68, 7.18], [23.03, 7.03], [23.18, 6.68], [23.53, 6.53], [23.75, 6.0], [23.53, 5.47], [23.0, 5.25], [22.7, 5.38], [22.65, 5.25], [22.75, 5.0], [22.65, 4.75], [22.68, 4.68], [23.03, 4.53], [23.25, 4.0], [23.03, 3.47], [22.5, 3.25], [22.2, 3.38], [22.15, 3.25], [22.18, 3.18], [22.53, 3.03]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Central-Africa"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": 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