{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:25:19.674019", "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-Apr-07_to_2021-Apr-09_64.0_46.5"}, "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": 2021040001812}, "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": "April 07 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 09 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 52660.08036147656}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "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": 46.5}, "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": 64.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "64.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 62.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 67.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-04-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 47.03], [62.5, 47.25], [62.75, 47.15], [62.82, 47.18], [62.85, 47.25], [62.75, 47.5], [62.97, 48.03], [63.32, 48.18], [63.47, 48.53], [64.0, 48.75], [64.25, 48.65], [64.5, 48.75], [64.75, 48.65], [65.0, 48.75], [65.25, 48.65], [65.5, 48.75], [66.03, 48.53], [66.25, 48.0], [66.15, 47.75], [66.18, 47.68], [66.25, 47.65], [66.5, 47.75], [66.75, 47.65], [67.0, 47.75], [67.53, 47.53], [67.75, 47.0], [67.53, 46.47], [67.18, 46.32], [67.03, 45.97], [66.5, 45.75], [65.97, 45.97], [65.82, 46.32], [65.75, 46.35], [65.5, 46.25], [65.25, 46.35], [65.18, 46.32], [65.03, 45.97], [64.5, 45.75], [64.25, 45.85], [64.0, 45.75], [63.75, 45.85], [63.68, 45.82], [63.53, 45.47], [63.18, 45.32], [63.03, 44.97], [62.5, 44.75], [61.97, 44.97], [61.75, 45.5], [61.96, 46.0], [61.75, 46.5], [61.97, 47.03]]]]}, "2021-04-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 47.03], [62.5, 47.25], [62.75, 47.15], [62.82, 47.18], [62.85, 47.25], [62.75, 47.5], [62.97, 48.03], [63.32, 48.18], [63.47, 48.53], [64.0, 48.75], [64.25, 48.65], [64.5, 48.75], [64.75, 48.65], [65.0, 48.75], [65.25, 48.65], [65.5, 48.75], [66.03, 48.53], [66.25, 48.0], [66.15, 47.75], [66.18, 47.68], [66.25, 47.65], [66.5, 47.75], [66.75, 47.65], [67.0, 47.75], [67.53, 47.53], [67.75, 47.0], [67.53, 46.47], [67.18, 46.32], [67.03, 45.97], [66.5, 45.75], [65.97, 45.97], [65.82, 46.32], [65.75, 46.35], [65.5, 46.25], [65.25, 46.35], [65.18, 46.32], [65.03, 45.97], [64.5, 45.75], [64.25, 45.85], [64.0, 45.75], [63.75, 45.85], [63.68, 45.82], [63.53, 45.47], [63.18, 45.32], [63.03, 44.97], [62.5, 44.75], [61.97, 44.97], [61.75, 45.5], [61.96, 46.0], [61.75, 46.5], [61.97, 47.03]]]]}, "2021-04-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[61.97, 47.03], [62.5, 47.25], [62.75, 47.15], [62.82, 47.18], [62.85, 47.25], [62.75, 47.5], [62.97, 48.03], [63.32, 48.18], [63.47, 48.53], [64.0, 48.75], [64.25, 48.65], [64.5, 48.75], [64.75, 48.65], [65.0, 48.75], [65.25, 48.65], [65.5, 48.75], [66.03, 48.53], [66.25, 48.0], [66.15, 47.75], [66.18, 47.68], [66.25, 47.65], [66.5, 47.75], [66.75, 47.65], [67.0, 47.75], [67.53, 47.53], [67.75, 47.0], [67.53, 46.47], [67.18, 46.32], [67.03, 45.97], [66.5, 45.75], [65.97, 45.97], [65.82, 46.32], [65.75, 46.35], [65.5, 46.25], [65.25, 46.35], [65.18, 46.32], [65.03, 45.97], [64.5, 45.75], [64.25, 45.85], [64.0, 45.75], [63.75, 45.85], [63.68, 45.82], [63.53, 45.47], [63.18, 45.32], [63.03, 44.97], [62.5, 44.75], [61.97, 44.97], [61.75, 45.5], [61.96, 46.0], [61.75, 46.5], [61.97, 47.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.464447580608919}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.191012704663922}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [15.148837298354294, 15.555608632908047, 16.043134949839327]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.214102294156078, 18.31371829007611, 19.66860228504902]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.130466827020228, 7.16116236253378, 7.281408924437758]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.384060002147919, 8.264037155898961, 8.464447580608919]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6275047138456509, 1.6361890461701367, 1.6812092461217545]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.8900632696922575, 1.857588540037347, 1.9346022859023637]}}