{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:40.934032", "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": "2010-May-18_to_2010-May-23_28.5_39.5"}, "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": 2010050000570}, "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": "May 18 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 23 2010"}, "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": 53028.47233274037}, "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": ["Turkiye"]}, "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": ["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": 39.5}, "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": 28.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "28.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 26.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 29.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[29.0, 40.75], [29.53, 40.53], [29.75, 40.0], [29.53, 39.47], [29.18, 39.32], [29.03, 38.97], [28.5, 38.75], [27.97, 38.97], [27.75, 39.5], [27.97, 40.03], [28.32, 40.18], [28.47, 40.53], [29.0, 40.75]]]]}, "2010-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, 39.47], [26.25, 40.0], [26.47, 40.53], [27.0, 40.75], [27.25, 40.65], [27.5, 40.75], [28.03, 40.53], [28.2, 40.13], [28.32, 40.18], [28.47, 40.53], [29.0, 40.75], [29.53, 40.53], [29.75, 40.0], [29.53, 39.47], [29.18, 39.32], [29.03, 38.97], [28.5, 38.75], [27.97, 38.97], [27.8, 39.38], [27.5, 39.25], [27.25, 39.35], [27.0, 39.25], [26.47, 39.47]]]]}, "2010-05-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.47, 39.47], [26.25, 40.0], [26.47, 40.53], [27.0, 40.75], [27.25, 40.65], [27.5, 40.75], [28.0, 40.54], [28.5, 40.75], [28.75, 40.65], [29.0, 40.75], [29.53, 40.53], [29.75, 40.0], [29.53, 39.47], [29.18, 39.32], [29.03, 38.97], [28.5, 38.75], [27.97, 38.97], [27.8, 39.38], [27.5, 39.25], [27.25, 39.35], [27.0, 39.25], [26.47, 39.47]]]]}, "2010-05-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.35, 39.25], [26.25, 39.5], [26.35, 39.75], [26.25, 40.0], [26.47, 40.53], [27.0, 40.75], [27.25, 40.65], [27.5, 40.75], [28.0, 40.54], [28.5, 40.75], [28.75, 40.65], [29.0, 40.75], [29.53, 40.53], [29.75, 40.0], [29.65, 39.75], [29.75, 39.5], [29.65, 39.25], [29.75, 39.0], [29.53, 38.47], [29.13, 38.3], [29.25, 38.0], [29.15, 37.75], [29.18, 37.68], [29.53, 37.53], [29.75, 37.0], [29.53, 36.47], [29.0, 36.25], [28.47, 36.47], [28.32, 36.82], [28.25, 36.85], [28.0, 36.75], [27.75, 36.85], [27.5, 36.75], [26.97, 36.97], [26.75, 37.5], [26.85, 37.75], [26.82, 37.82], [26.47, 37.97], [26.25, 38.5], [26.35, 38.75], [26.25, 39.0], [26.35, 39.25]]]]}, "2010-05-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[26.35, 39.25], [26.25, 39.5], [26.35, 39.75], [26.25, 40.0], [26.47, 40.53], [27.0, 40.75], [27.25, 40.65], [27.5, 40.75], [28.0, 40.54], [28.5, 40.75], [29.03, 40.53], [29.18, 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