{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:21:18.176999", "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-Aug-27_to_2020-Aug-31_16.5_41.5"}, "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": 2020080002821}, "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 27 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 31 2020"}, "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": "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": 88172.42548500236}, "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": ["Italy"]}, "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": ["Europe"]}, "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": ["Adriatic Sea", "Tyrrhenian Sea"]}, "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": 41.5}, "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": 16.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 14.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 38.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 44.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-08-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[16.5, 43.25], [17.03, 43.03], [17.25, 42.5], [17.03, 41.97], [16.5, 41.75], [15.97, 41.97], [15.75, 42.5], [15.97, 43.03], [16.5, 43.25]]]]}, "2020-08-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.75, 44.0], [13.97, 44.53], [14.5, 44.75], [14.75, 44.65], [15.0, 44.75], [15.53, 44.53], [15.68, 44.18], [16.03, 44.03], [16.18, 43.68], [16.25, 43.65], [16.5, 43.75], [17.03, 43.53], [17.18, 43.18], [17.53, 43.03], [17.75, 42.5], [17.65, 42.25], [17.68, 42.18], [18.03, 42.03], [18.18, 41.68], [18.53, 41.53], [18.75, 41.0], [18.53, 40.47], [18.0, 40.25], [17.75, 40.35], [17.5, 40.25], [16.97, 40.47], [16.82, 40.82], [16.75, 40.85], [16.5, 40.75], [15.97, 40.97], [15.82, 41.32], [15.75, 41.35], [15.5, 41.25], [14.97, 41.47], [14.82, 41.82], [14.47, 41.97], [14.25, 42.5], [14.35, 42.75], [14.25, 43.0], [14.35, 43.25], [14.32, 43.32], [13.97, 43.47], [13.75, 44.0]]]]}, "2020-08-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.75, 44.0], [13.97, 44.53], [14.5, 44.75], [14.75, 44.65], [15.0, 44.75], [15.53, 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