{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:48:40.226068", "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-Oct-04_to_2011-Oct-07_26.0_49.0"}, "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": 2011100001787}, "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": "October 04 2011"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 07 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": 66459.27895401455}, "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": ["Moldova", "Romania", "Ukraine"]}, "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": 49.0}, "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": 26.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "26.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 24.75}, "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": 45.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2011-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.25, 49.0], [24.47, 49.53], [25.0, 49.75], [25.25, 49.65], [25.5, 49.75], [25.75, 49.65], [26.0, 49.75], [26.25, 49.65], [26.5, 49.75], [26.75, 49.65], [27.0, 49.75], [27.53, 49.53], [27.75, 49.0], [27.53, 48.47], [27.0, 48.25], [26.75, 48.35], [26.68, 48.32], [26.53, 47.97], [26.0, 47.75], [25.75, 47.85], [25.5, 47.75], [24.97, 47.97], [24.82, 48.32], [24.47, 48.47], [24.25, 49.0]]]]}, "2011-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.25, 49.0], [24.47, 49.53], [25.0, 49.75], [25.25, 49.65], [25.5, 49.75], [25.75, 49.65], [26.0, 49.75], [26.25, 49.65], [26.5, 49.75], [26.75, 49.65], [27.0, 49.75], [27.53, 49.53], [27.68, 49.18], [27.75, 49.15], [28.0, 49.25], [28.53, 49.03], [28.68, 48.68], [29.03, 48.53], [29.18, 48.18], [29.53, 48.03], [29.75, 47.5], [29.65, 47.25], [29.75, 47.0], [29.53, 46.47], [29.18, 46.32], [29.15, 46.25], [29.25, 46.0], [29.03, 45.47], [28.5, 45.25], [28.25, 45.35], [28.0, 45.25], [27.47, 45.47], [27.25, 46.0], [27.35, 46.25], [27.32, 46.32], [27.25, 46.35], [27.0, 46.25], [26.47, 46.47], [26.32, 46.82], [25.97, 46.97], [25.82, 47.32], [25.47, 47.47], [25.32, 47.82], [24.97, 47.97], [24.82, 48.32], [24.47, 48.47], [24.25, 49.0]]]]}, "2011-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.25, 49.0], [24.47, 49.53], [25.0, 49.75], [25.25, 49.65], [25.5, 49.75], [25.75, 49.65], [26.0, 49.75], [26.25, 49.65], [26.5, 49.75], [26.75, 49.65], [27.0, 49.75], [27.53, 49.53], [27.68, 49.18], [27.75, 49.15], [28.0, 49.25], [28.53, 49.03], [28.68, 48.68], [29.03, 48.53], [29.18, 48.18], [29.53, 48.03], [29.75, 47.5], [29.65, 47.25], [29.75, 47.0], [29.53, 46.47], [29.18, 46.32], [29.15, 46.25], [29.25, 46.0], [29.03, 45.47], [28.5, 45.25], [28.25, 45.35], [28.0, 45.25], [27.47, 45.47], [27.25, 46.0], [27.35, 46.25], [27.32, 46.32], [27.25, 46.35], [27.0, 46.25], [26.47, 46.47], [26.32, 46.82], [25.97, 46.97], [25.82, 47.32], [25.47, 47.47], [25.32, 47.82], [24.97, 47.97], [24.82, 48.32], [24.47, 48.47], [24.25, 49.0]]]]}, "2011-10-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[24.25, 49.0], [24.47, 49.53], [25.0, 49.75], [25.25, 49.65], [25.5, 49.75], [25.75, 49.65], [26.0, 49.75], [26.25, 49.65], [26.5, 49.75], [26.75, 49.65], [27.0, 49.75], [27.53, 49.53], [27.68, 49.18], [27.75, 49.15], [28.0, 49.25], [28.53, 49.03], [28.68, 48.68], [29.03, 48.53], [29.18, 48.18], [29.53, 48.03], [29.75, 47.5], [29.65, 47.25], [29.75, 47.0], [29.53, 46.47], [29.18, 46.32], [29.15, 46.25], [29.25, 46.0], [29.03, 45.47], [28.5, 45.25], [28.25, 45.35], [28.0, 45.25], [27.47, 45.47], [27.25, 46.0], [27.35, 46.25], [27.32, 46.32], [27.25, 46.35], [27.0, 46.25], [26.47, 46.47], [26.32, 46.82], [25.97, 46.97], [25.82, 47.32], [25.47, 47.47], [25.32, 47.82], [24.97, 47.97], [24.82, 48.32], [24.47, 48.47], [24.25, 49.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.0829842265359275}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.900018318544083}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.73247900590161, 18.776278862957952, 17.70631320160703, 17.801068251979643]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [16.965421060297103, 20.101280670082986, 19.32102448743325, 19.61406816004029]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.320495926534339, 6.395768771120212, 5.533293888328666, 5.897762819435501]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.586348393013623, 7.0829842265359275, 6.2311267203839975, 6.527179229930198]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.44656665853785, 1.7110779610413842, 1.5350098656710602, 1.7041508725241055]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4949327759172206, 1.8486704660463138, 1.6589869029464748, 1.9047436820226955]}}