{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:59.628679", "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": "2016-Aug-06_to_2016-Aug-10_11.5_31.0"}, "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": 2016080000257}, "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": "August 06 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 10 2016"}, "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": "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": 79090.08246976302}, "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": ["Libya", "Tunisia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean"]}, "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": 31.0}, "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": 11.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "11.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 9.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 14.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 30.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 32.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.97, 30.47], [9.75, 31.0], [9.97, 31.53], [10.5, 31.75], [10.75, 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"coordinates": [[[[8.75, 31.0], [8.97, 31.53], [9.5, 31.75], [9.75, 31.65], [10.0, 31.75], [10.25, 31.65], [10.32, 31.68], [10.47, 32.03], [11.0, 32.25], [11.25, 32.15], [11.32, 32.18], [11.47, 32.53], [11.82, 32.68], [11.97, 33.03], [12.5, 33.25], [12.75, 33.15], [13.0, 33.25], [13.25, 33.15], [13.5, 33.25], [13.75, 33.15], [14.0, 33.25], [14.25, 33.15], [14.5, 33.25], [15.03, 33.03], [15.25, 32.5], [15.15, 32.25], [15.25, 32.0], [15.15, 31.75], [15.25, 31.5], [15.03, 30.97], [14.5, 30.75], [13.97, 30.97], [13.82, 31.32], [13.75, 31.35], [13.68, 31.32], [13.65, 31.25], [13.75, 31.0], [13.53, 30.47], [13.0, 30.25], [12.75, 30.35], [12.68, 30.32], [12.53, 29.97], [12.0, 29.75], [11.75, 29.85], [11.5, 29.75], [11.25, 29.85], [11.0, 29.75], [10.75, 29.85], [10.5, 29.75], [10.25, 29.85], [10.0, 29.75], [9.47, 29.97], [9.32, 30.32], [8.97, 30.47], [8.75, 31.0]]]]}, "2016-08-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.47, 33.03], [14.0, 33.25], [14.25, 33.15], 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