{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:44:46.669976", "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-May-16_to_2010-May-19_55.0_51.5"}, "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": 2010050002007}, "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 16 2010"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 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": 95791.84817922585}, "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": ["Kazakhstan", "Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia"]}, "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": 51.5}, "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": 55.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "55.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 53.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 58.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2010-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[55.0, 52.25], [55.53, 52.03], [55.75, 51.5], [55.53, 50.97], [55.0, 50.75], [54.47, 50.97], [54.25, 51.5], [54.47, 52.03], [55.0, 52.25]]]]}, "2010-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.35, 50.75], [53.25, 51.0], [53.35, 51.25], [53.25, 51.5], [53.47, 52.03], [54.0, 52.25], [54.25, 52.15], [54.5, 52.25], [54.75, 52.15], [55.0, 52.25], [55.53, 52.03], [55.68, 51.68], [55.75, 51.65], [56.0, 51.75], [56.53, 51.53], [56.68, 51.18], [56.75, 51.15], [57.0, 51.25], [57.25, 51.15], [57.5, 51.25], [58.03, 51.03], [58.18, 50.68], [58.53, 50.53], [58.75, 50.0], [58.65, 49.75], [58.75, 49.5], [58.65, 49.25], [58.75, 49.0], [58.53, 48.47], [58.0, 48.25], [57.75, 48.35], [57.5, 48.25], [57.25, 48.35], [57.18, 48.32], [57.15, 48.25], [57.25, 48.0], [57.03, 47.47], [56.5, 47.25], [56.25, 47.35], [56.0, 47.25], [55.75, 47.35], [55.5, 47.25], [54.97, 47.47], [54.82, 47.82], [54.47, 47.97], [54.32, 48.32], [53.97, 48.47], [53.75, 49.0], [53.85, 49.25], [53.82, 49.32], [53.47, 49.47], [53.25, 50.0], [53.35, 50.25], [53.25, 50.5], [53.35, 50.75]]]]}, "2010-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.35, 50.75], [53.25, 51.0], [53.35, 51.25], [53.25, 51.5], [53.47, 52.03], [54.0, 52.25], [54.25, 52.15], [54.5, 52.25], [54.75, 52.15], [55.0, 52.25], [55.53, 52.03], [55.68, 51.68], [55.75, 51.65], [56.0, 51.75], [56.53, 51.53], [56.68, 51.18], [56.75, 51.15], [57.0, 51.25], [57.25, 51.15], [57.5, 51.25], [58.03, 51.03], [58.18, 50.68], [58.53, 50.53], [58.75, 50.0], [58.65, 49.75], [58.75, 49.5], [58.65, 49.25], [58.75, 49.0], [58.53, 48.47], [58.0, 48.25], [57.75, 48.35], [57.5, 48.25], [57.25, 48.35], [57.18, 48.32], [57.15, 48.25], [57.25, 48.0], [57.03, 47.47], [56.5, 47.25], [56.25, 47.35], [56.0, 47.25], [55.75, 47.35], [55.5, 47.25], [54.97, 47.47], [54.82, 47.82], [54.47, 47.97], [54.32, 48.32], [53.97, 48.47], [53.75, 49.0], [53.85, 49.25], [53.82, 49.32], [53.47, 49.47], [53.25, 50.0], [53.35, 50.25], [53.25, 50.5], [53.35, 50.75]]]]}, "2010-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.35, 50.75], [53.25, 51.0], [53.35, 51.25], [53.25, 51.5], [53.47, 52.03], [54.0, 52.25], [54.25, 52.15], [54.5, 52.25], [54.75, 52.15], [55.0, 52.25], [55.53, 52.03], [55.68, 51.68], [55.75, 51.65], [56.0, 51.75], [56.53, 51.53], [56.68, 51.18], [56.75, 51.15], [57.0, 51.25], [57.25, 51.15], [57.5, 51.25], [58.03, 51.03], [58.18, 50.68], [58.53, 50.53], [58.75, 50.0], [58.65, 49.75], [58.75, 49.5], [58.65, 49.25], [58.75, 49.0], [58.53, 48.47], [58.0, 48.25], [57.75, 48.35], [57.5, 48.25], [57.25, 48.35], [57.18, 48.32], [57.15, 48.25], [57.25, 48.0], [57.03, 47.47], [56.5, 47.25], [56.25, 47.35], [56.0, 47.25], [55.75, 47.35], [55.5, 47.25], [54.97, 47.47], [54.82, 47.82], [54.47, 47.97], [54.32, 48.32], [53.97, 48.47], [53.75, 49.0], [53.85, 49.25], [53.82, 49.32], [53.47, 49.47], [53.25, 50.0], [53.35, 50.25], [53.25, 50.5], [53.35, 50.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.811261400337571}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.501008901092893}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [22.124987987961788, 23.42625501868008, 23.967990649663363, 24.294218329448427]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [22.124987987961788, 24.871604782806287, 25.454292862888337, 26.162860680898348]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.373112510270971, 7.046154470283491, 7.59217079403059, 7.888199280440035]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.373112510270971, 8.537449236027555, 8.766156439860481, 8.811261400337571]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3681798097009321, 1.5523454677629476, 1.6621629477941546, 1.7144058702466818]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3681798097009321, 1.8262678686238643, 1.8680595064510097, 1.9327440859341005]}}