{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:25:47.764325", "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": "2021-May-10_to_2021-May-13_15.0_57.5"}, "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": 2021050001859}, "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": "May 10 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 13 2021"}, "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": 57377.815881428076}, "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": ["Sweden"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["N.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": 57.5}, "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": 15.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "15.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 13.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 18.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 61.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-05-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.85, 56.25], [12.75, 56.5], [12.97, 57.03], [13.32, 57.18], [13.47, 57.53], [13.82, 57.68], [13.97, 58.03], [14.5, 58.25], [14.75, 58.15], [14.82, 58.18], [14.97, 58.53], [15.32, 58.68], [15.47, 59.03], [16.0, 59.25], [16.25, 59.15], [16.5, 59.25], [17.03, 59.03], [17.25, 58.5], [17.03, 57.97], [16.68, 57.82], [16.65, 57.75], [16.75, 57.5], [16.65, 57.25], [16.75, 57.0], [16.65, 56.75], [16.75, 56.5], [16.53, 55.97], [16.0, 55.75], [15.75, 55.85], [15.5, 55.75], [15.25, 55.85], [15.0, 55.75], [14.75, 55.85], [14.68, 55.82], [14.65, 55.75], [14.75, 55.5], [14.53, 54.97], [14.0, 54.75], [13.75, 54.85], [13.5, 54.75], [12.97, 54.97], [12.75, 55.5], [12.85, 55.75], [12.75, 56.0], [12.85, 56.25]]]]}, "2021-05-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.85, 56.25], [12.75, 56.5], [12.97, 57.03], [13.32, 57.18], [13.47, 57.53], [13.82, 57.68], [13.97, 58.03], [14.5, 58.25], [14.75, 58.15], [14.82, 58.18], [14.97, 58.53], [15.32, 58.68], [15.47, 59.03], [15.82, 59.18], [15.85, 59.25], [15.75, 59.5], [15.97, 60.03], [16.32, 60.18], [16.46, 60.5], [16.25, 61.0], [16.47, 61.53], [17.0, 61.75], [17.53, 61.53], [17.68, 61.18], [17.75, 61.15], [18.0, 61.25], [18.53, 61.03], [18.68, 60.68], [19.03, 60.53], [19.25, 60.0], [19.03, 59.47], [18.5, 59.25], [18.25, 59.35], [18.18, 59.32], [18.03, 58.97], [17.68, 58.82], [17.53, 58.47], [17.18, 58.32], [17.03, 57.97], [16.68, 57.82], [16.65, 57.75], [16.75, 57.5], [16.65, 57.25], [16.75, 57.0], [16.65, 56.75], [16.75, 56.5], [16.53, 55.97], [16.0, 55.75], [15.75, 55.85], [15.5, 55.75], [15.25, 55.85], [15.0, 55.75], [14.75, 55.85], [14.68, 55.82], [14.65, 55.75], [14.75, 55.5], [14.53, 54.97], [14.0, 54.75], [13.75, 54.85], [13.5, 54.75], [12.97, 54.97], [12.75, 55.5], [12.85, 55.75], [12.75, 56.0], [12.85, 56.25]]]]}, "2021-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[12.85, 56.25], [12.75, 56.5], [12.97, 57.03], [13.32, 57.18], [13.47, 57.53], [13.82, 57.68], [13.97, 58.03], [14.5, 58.25], [14.75, 58.15], [14.82, 58.18], [14.97, 58.53], [15.32, 58.68], [15.47, 59.03], [15.82, 59.18], [15.85, 59.25], [15.75, 59.5], [15.97, 60.03], [16.32, 60.18], [16.46, 60.5], [16.25, 61.0], [16.47, 61.53], [17.0, 61.75], [17.53, 61.53], [17.68, 61.18], [17.75, 61.15], [18.0, 61.25], [18.53, 61.03], [18.68, 60.68], [19.03, 60.53], [19.25, 60.0], [19.03, 59.47], [18.5, 59.25], [18.25, 59.35], [18.18, 59.32], [18.03, 58.97], [17.68, 58.82], [17.53, 58.47], [17.18, 58.32], [17.03, 57.97], [16.68, 57.82], [16.65, 57.75], [16.75, 57.5], [16.65, 57.25], [16.75, 57.0], [16.65, 56.75], [16.75, 56.5], [16.53, 55.97], [16.0, 55.75], [15.75, 55.85], [15.5, 55.75], [15.25, 55.85], [15.0, 55.75], [14.75, 55.85], [14.68, 55.82], [14.65, 55.75], [14.75, 55.5], [14.53, 54.97], [14.0, 54.75], [13.75, 54.85], [13.5, 54.75], [12.97, 54.97], [12.75, 55.5], [12.85, 55.75], [12.75, 56.0], [12.85, 56.25]]]]}, "2021-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[13.25, 57.0], [13.47, 57.53], [13.82, 57.68], [13.97, 58.03], [14.5, 58.25], [14.75, 58.15], [14.82, 58.18], [14.97, 58.53], [15.32, 58.68], [15.47, 59.03], [15.82, 59.18], [15.85, 59.25], [15.75, 59.5], [15.97, 60.03], [16.32, 60.18], [16.46, 60.5], [16.25, 61.0], [16.47, 61.53], [17.0, 61.75], [17.53, 61.53], [17.68, 61.18], [17.75, 61.15], [18.0, 61.25], [18.53, 61.03], [18.68, 60.68], [19.03, 60.53], [19.25, 60.0], [19.03, 59.47], [18.5, 59.25], [18.25, 59.35], [18.18, 59.32], [18.03, 58.97], [17.68, 58.82], [17.53, 58.47], [17.0, 58.25], [16.75, 58.35], [16.68, 58.32], [16.65, 58.25], [16.75, 58.0], [16.65, 57.75], [16.75, 57.5], [16.53, 56.97], [16.18, 56.82], [16.15, 56.75], [16.25, 56.5], [16.03, 55.97], [15.5, 55.75], [15.25, 55.85], [15.0, 55.75], [14.75, 55.85], [14.5, 55.75], [13.97, 55.97], [13.82, 56.32], [13.47, 56.47], [13.25, 57.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.388910819307341}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.73967933257819}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.070359636344165, 15.230100183225773, 15.591409028708199, 16.30042272305093]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.33516039705495, 16.759161785147285, 17.618906717994662, 18.350821365418767]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.229543046638716, 5.371717061717168, 5.519199269349074, 6.098472266030613]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.382582552120709, 6.80169266831075, 7.871618788455578, 8.388910819307341]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [2.02152566067462, 1.6582864654847298, 1.673109722275084, 1.737091143883301]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.5737334015117166, 2.0385994528415003, 2.17992734498709, 2.240370748241246]}}