{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:21.890824", "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": "2010-Mar-23_to_2010-Mar-26_15.5_50.0"}, "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": 2010030002099}, "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": "March 23 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 26 2010"}, "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": 63144.31554772108}, "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": 50.0}, "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": 9.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 15.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 46.75}, "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": {"2010-03-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.5, 47.75], [14.03, 47.53], [14.25, 47.0], [14.03, 46.47], [13.5, 46.25], [12.97, 46.47], [12.75, 47.0], [12.97, 47.53], [13.5, 47.75]]]]}, "2010-03-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 48.47], [9.25, 49.0], [9.47, 49.53], [10.0, 49.75], [10.25, 49.65], [10.5, 49.75], [10.75, 49.65], [11.0, 49.75], [11.25, 49.65], [11.5, 49.75], [12.0, 49.54], [12.5, 49.75], [12.75, 49.65], [13.0, 49.75], [13.3, 49.63], [13.47, 50.03], [13.82, 50.18], [13.97, 50.53], [14.5, 50.75], [14.75, 50.65], [14.82, 50.68], [14.97, 51.03], [15.5, 51.25], [16.03, 51.03], [16.25, 50.5], [16.15, 50.25], [16.25, 50.0], [16.15, 49.75], [16.25, 49.5], [16.04, 49.0], [16.25, 48.5], [16.03, 47.97], [15.68, 47.82], [15.53, 47.47], [15.0, 47.25], [14.5, 47.46], [14.18, 47.32], [14.15, 47.25], [14.25, 47.0], [14.03, 46.47], [13.5, 46.25], [12.97, 46.47], [12.82, 46.82], [12.47, 46.97], [12.25, 47.5], [12.35, 47.75], [12.32, 47.82], [12.25, 47.85], [12.0, 47.75], [11.75, 47.85], [11.5, 47.75], [11.25, 47.85], [11.0, 47.75], [10.47, 47.97], [10.32, 48.32], [10.25, 48.35], [10.0, 48.25], [9.47, 48.47]]]]}, "2010-03-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 48.47], [9.25, 49.0], [9.47, 49.53], [10.0, 49.75], [10.25, 49.65], [10.5, 49.75], [10.75, 49.65], [11.0, 49.75], [11.25, 49.65], [11.5, 49.75], [12.0, 49.54], [12.5, 49.75], [12.75, 49.65], [13.0, 49.75], [13.3, 49.63], [13.47, 50.03], [13.82, 50.18], [13.97, 50.53], [14.5, 50.75], [14.75, 50.65], [14.82, 50.68], [14.97, 51.03], [15.5, 51.25], [16.03, 51.03], [16.25, 50.5], [16.15, 50.25], [16.25, 50.0], [16.15, 49.75], [16.25, 49.5], [16.04, 49.0], [16.25, 48.5], [16.03, 47.97], [15.68, 47.82], [15.53, 47.47], [15.0, 47.25], [14.5, 47.46], [14.18, 47.32], [14.15, 47.25], [14.25, 47.0], [14.03, 46.47], [13.5, 46.25], [12.97, 46.47], [12.82, 46.82], [12.47, 46.97], [12.25, 47.5], [12.35, 47.75], [12.32, 47.82], [12.25, 47.85], [12.0, 47.75], [11.75, 47.85], [11.5, 47.75], [11.25, 47.85], [11.0, 47.75], [10.47, 47.97], [10.32, 48.32], [10.25, 48.35], [10.0, 48.25], [9.47, 48.47]]]]}, "2010-03-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[9.47, 48.47], [9.25, 49.0], [9.47, 49.53], [10.0, 49.75], [10.25, 49.65], [10.5, 49.75], [10.75, 49.65], [11.0, 49.75], [11.25, 49.65], [11.5, 49.75], [12.0, 49.54], [12.5, 49.75], [12.75, 49.65], [13.0, 49.75], [13.3, 49.63], [13.47, 50.03], [13.82, 50.18], [13.97, 50.53], [14.5, 50.75], [14.75, 50.65], [14.82, 50.68], [14.97, 51.03], [15.5, 51.25], [16.03, 51.03], [16.25, 50.5], [16.15, 50.25], [16.25, 50.0], [16.15, 49.75], [16.25, 49.5], [16.04, 49.0], [16.25, 48.5], [16.03, 47.97], [15.68, 47.82], [15.53, 47.47], [15.0, 47.25], [14.5, 47.46], [14.18, 47.32], [14.15, 47.25], [14.25, 47.0], [14.03, 46.47], [13.5, 46.25], [12.97, 46.47], [12.82, 46.82], [12.47, 46.97], [12.25, 47.5], [12.35, 47.75], [12.32, 47.82], [12.25, 47.85], [12.0, 47.75], [11.75, 47.85], [11.5, 47.75], [11.25, 47.85], [11.0, 47.75], [10.47, 47.97], [10.32, 48.32], [10.25, 48.35], [10.0, 48.25], [9.47, 48.47]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.821334528198292}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.406477183055384}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [4.004593944333749, 9.738832419513585, 12.092205190496031, 11.093647341182134]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.004593944333749, 11.504975696341546, 13.838856985356585, 13.192073308074782]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.7474337979386405, 5.2867849184369895, 7.570436957500021, 6.415727201781289]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": 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