{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:05:46.740306", "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-Jul-15_to_2016-Jul-17_15.5_44.0"}, "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": 2016070000565}, "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": "July 15 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 17 2016"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 138993.0378713115}, "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": ["Bosnia and Herzegovina", "Croatia", "Hungary", "Montenegro", "Romania", "Serbia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Mediterranean", "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": 44.0}, "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": 15.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 15.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 21.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-07-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.82, 45.18], [15.97, 45.53], [16.32, 45.68], [16.47, 46.03], 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46.18], [16.97, 46.53], [17.5, 46.75], [17.75, 46.65], [18.0, 46.75], [18.25, 46.65], [18.5, 46.75], [18.75, 46.65], [19.0, 46.75], [19.25, 46.65], [19.5, 46.75], [20.0, 46.54], [20.5, 46.75], [21.03, 46.53], [21.25, 46.0], [21.15, 45.75], [21.18, 45.68], [21.53, 45.53], [21.68, 45.18], [22.03, 45.03], [22.25, 44.5], [22.03, 43.97], [21.63, 43.8], [21.75, 43.5], [21.53, 42.97], [21.18, 42.82], [21.03, 42.47], [20.5, 42.25], [20.25, 42.35], [20.0, 42.25], [19.75, 42.35], [19.5, 42.25], [19.25, 42.35], [19.0, 42.25], [18.75, 42.35], [18.5, 42.25], [18.25, 42.35], [18.0, 42.25], [17.75, 42.35], [17.5, 42.25], [16.97, 42.47], [16.82, 42.82], [16.47, 42.97], [16.32, 43.32], [16.25, 43.35], [16.0, 43.25], [15.75, 43.35], [15.5, 43.25], [14.97, 43.47], [14.75, 44.0], [14.97, 44.53], [15.32, 44.68], [15.47, 45.03], [15.82, 45.18]]]]}, "2016-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[15.82, 45.18], [15.97, 45.53], [16.32, 45.68], [16.47, 46.03], [16.82, 46.18], 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"Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": -5.831420760831553}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.58868014841363, 14.469852305671225, 15.708517172315169]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.571105266231882, 10.211428261982007, 11.212268621633882]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [-5.329199420020778, -6.618631216783053, -5.546431645690836]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [-6.95775400090497, -8.378136771561799, -6.813544725417501]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [-1.6672361429985803, -2.1029018898451204, -1.7780879050083804]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [-2.2935398003805263, -2.898917467880313, -2.138381380984357]}}