{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:46:38.196659", "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": "2011-Jan-07_to_2011-Jan-10_16.0_45.5"}, "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": 2011010001902}, "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": "January 07 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 10 2011"}, "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": 64799.12085075331}, "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", "Bosnia and Herzegovina", "Croatia", "Hungary", "Slovenia"]}, "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": ["Adriatic 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": 45.5}, "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": 16.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "16.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.75}, "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": 43.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-01-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[14.47, 46.03], [14.82, 46.18], [14.85, 46.25], [14.75, 46.5], [14.97, 47.03], [15.5, 47.25], [15.75, 47.15], [16.0, 47.25], [16.25, 47.15], [16.32, 47.18], [16.47, 47.53], [17.0, 47.75], [17.53, 47.53], [17.68, 47.18], [17.75, 47.15], [18.0, 47.25], [18.53, 47.03], [18.75, 46.5], [18.54, 46.0], [18.75, 45.5], [18.65, 45.25], [18.75, 45.0], [18.53, 44.47], [18.18, 44.32], [18.03, 43.97], [17.5, 43.75], [16.97, 43.97], [16.8, 44.38], [16.5, 44.25], [16.25, 44.35], [16.0, 44.25], [15.75, 44.35], [15.5, 44.25], [15.25, 44.35], [15.0, 44.25], [14.47, 44.47], [14.25, 45.0], [14.35, 45.25], [14.25, 45.5], [14.47, 46.03]]]]}, "2011-01-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.25, 46.5], [13.47, 47.03], [14.0, 47.25], [14.53, 47.03], [14.68, 46.68], [14.8, 46.63], [14.97, 47.03], [15.5, 47.25], [15.75, 47.15], [16.0, 47.25], [16.25, 47.15], [16.32, 47.18], [16.47, 47.53], [17.0, 47.75], [17.53, 47.53], [17.68, 47.18], [17.75, 47.15], [18.0, 47.25], [18.53, 47.03], [18.75, 46.5], [18.54, 46.0], [18.75, 45.5], [18.65, 45.25], [18.75, 45.0], [18.53, 44.47], [18.18, 44.32], [18.03, 43.97], [17.5, 43.75], [16.97, 43.97], [16.8, 44.38], [16.5, 44.25], [16.25, 44.35], [16.13, 44.3], [16.25, 44.0], [16.03, 43.47], [15.5, 43.25], [14.97, 43.47], [14.82, 43.82], [14.47, 43.97], [14.25, 44.5], [14.35, 44.75], [14.25, 45.0], [14.35, 45.25], [14.32, 45.32], [13.97, 45.47], [13.82, 45.82], [13.47, 45.97], [13.25, 46.5]]]]}, "2011-01-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.25, 46.5], [13.47, 47.03], [14.0, 47.25], [14.53, 47.03], [14.68, 46.68], [14.8, 46.63], [14.97, 47.03], [15.5, 47.25], [15.75, 47.15], [16.0, 47.25], [16.25, 47.15], [16.32, 47.18], [16.47, 47.53], [17.0, 47.75], [17.53, 47.53], [17.68, 47.18], [17.75, 47.15], [18.0, 47.25], [18.53, 47.03], [18.75, 46.5], [18.54, 46.0], [18.75, 45.5], [18.65, 45.25], [18.75, 45.0], [18.53, 44.47], [18.18, 44.32], [18.03, 43.97], [17.5, 43.75], [16.97, 43.97], [16.8, 44.38], [16.5, 44.25], [16.25, 44.35], [16.13, 44.3], [16.25, 44.0], [16.03, 43.47], [15.5, 43.25], [14.97, 43.47], [14.82, 43.82], [14.47, 43.97], [14.25, 44.5], [14.35, 44.75], [14.25, 45.0], [14.35, 45.25], [14.32, 45.32], [13.97, 45.47], [13.82, 45.82], [13.47, 45.97], [13.25, 46.5]]]]}, "2011-01-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.25, 46.5], [13.47, 47.03], [14.0, 47.25], [14.53, 47.03], [14.68, 46.68], [15.03, 46.53], [15.2, 46.13], [15.5, 46.25], [15.75, 46.15], [16.0, 46.25], [16.53, 46.03], [16.75, 45.5], [16.53, 44.97], [16.18, 44.82], [16.04, 44.5], [16.25, 44.0], [16.03, 43.47], [15.5, 43.25], [14.97, 43.47], [14.82, 43.82], [14.47, 43.97], [14.25, 44.5], [14.35, 44.75], [14.25, 45.0], [14.38, 45.3], [13.97, 45.47], [13.82, 45.82], [13.47, 45.97], [13.25, 46.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.0938610019885}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.1603926624608585}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.228346843095778, 9.192731185345053, 8.949502062190561, 8.250044135124142]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [10.185375388731302, 12.622107961087522, 12.418304801597401, 12.162225247961828]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.11748397219769, 7.582728255647853, 7.172719708235917, 5.6698610097084625]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.270251483767083, 9.0938610019885, 8.746589571776553, 6.648400862339429]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4480066611856084, 1.580308520044814, 1.5221667153075842, 1.2777022688979363]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.669394206485966, 1.8652556771845743, 1.7753575729479656, 1.3525457153010132]}}