{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:44.778554", "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": "2018-Dec-06_to_2018-Dec-09_12.5_48.0"}, "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": 2018120001592}, "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": "December 06 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "December 09 2018"}, "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": "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": 62716.00217173883}, "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": ["Austria", "Czech Republic", "Germany"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["West&Central-Europe"]}, "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": []}, "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": 48.0}, "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": 12.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "12.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 11.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 16.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-12-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[10.97, 47.47], [10.75, 48.0], [10.97, 48.53], [11.5, 48.75], [11.75, 48.65], [12.0, 48.75], [12.25, 48.65], [12.5, 48.75], [12.75, 48.65], [13.0, 48.75], [13.25, 48.65], [13.5, 48.75], [14.03, 48.53], [14.25, 48.0], [14.03, 47.47], [13.5, 47.25], [13.25, 47.35], [13.0, 47.25], [12.75, 47.35], [12.5, 47.25], [12.25, 47.35], [12.0, 47.25], [11.75, 47.35], [11.5, 47.25], [10.97, 47.47]]]]}, "2018-12-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.47, 49.53], [12.0, 49.75], [12.25, 49.65], [12.32, 49.68], [12.47, 50.03], [12.88, 50.2], [12.75, 50.5], [12.97, 51.03], [13.5, 51.25], [13.75, 51.15], [14.0, 51.25], [14.25, 51.15], [14.5, 51.25], [14.75, 51.15], [15.0, 51.25], [15.25, 51.15], [15.5, 51.25], [16.03, 51.03], [16.18, 50.68], [16.25, 50.65], [16.5, 50.75], [17.03, 50.53], [17.25, 50.0], [17.03, 49.47], [16.5, 49.25], [16.25, 49.35], [16.13, 49.3], [16.18, 49.18], [16.53, 49.03], [16.75, 48.5], [16.53, 47.97], [16.0, 47.75], [15.75, 47.85], [15.5, 47.75], [15.0, 47.96], [14.68, 47.82], [14.53, 47.47], [14.0, 47.25], [13.75, 47.35], [13.5, 47.25], [13.25, 47.35], [13.0, 47.25], [12.75, 47.35], [12.5, 47.25], [12.25, 47.35], [12.0, 47.25], [11.75, 47.35], [11.5, 47.25], [10.97, 47.47], [10.75, 48.0], [10.97, 48.53], [11.38, 48.7], [11.25, 49.0], [11.47, 49.53]]]]}, "2018-12-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[11.47, 49.53], [12.0, 49.75], [12.25, 49.65], [12.32, 49.68], [12.47, 50.03], [12.88, 50.2], [12.75, 50.5], [12.97, 51.03], [13.5, 51.25], [13.75, 51.15], [14.0, 51.25], [14.25, 51.15], [14.5, 51.25], [14.75, 51.15], [15.0, 51.25], [15.25, 51.15], [15.5, 51.25], [16.03, 51.03], [16.18, 50.68], [16.25, 50.65], [16.5, 50.75], [17.03, 50.53], [17.25, 50.0], [17.03, 49.47], [16.5, 49.25], [16.25, 49.35], [16.13, 49.3], [16.18, 49.18], [16.53, 49.03], [16.75, 48.5], [16.53, 47.97], [16.0, 47.75], [15.75, 47.85], [15.5, 47.75], [15.0, 47.96], [14.68, 47.82], [14.53, 47.47], [14.0, 47.25], [13.75, 47.35], [13.5, 47.25], [13.25, 47.35], [13.0, 47.25], [12.75, 47.35], 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