{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:18:19.671149", "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": "2018-Oct-04_to_2018-Oct-06_70.0_59.5"}, "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": 2018100001399}, "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 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 06 2018"}, "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": 60004.60849191297}, "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": ["Russian Federation"]}, "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": 59.5}, "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": 70.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "70.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 66.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 70.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 56.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 59.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.35, 58.25], [66.25, 58.5], [66.35, 58.75], [66.25, 59.0], [66.47, 59.53], [66.82, 59.68], [66.97, 60.03], [67.5, 60.25], [67.75, 60.15], [68.0, 60.25], [68.25, 60.15], [68.5, 60.25], [68.75, 60.15], [69.0, 60.25], [69.25, 60.15], [69.5, 60.25], [69.75, 60.15], [70.0, 60.25], [70.25, 60.15], [70.5, 60.25], [71.03, 60.03], [71.25, 59.5], [71.03, 58.97], [70.68, 58.82], [70.53, 58.47], [70.18, 58.32], [70.15, 58.25], [70.18, 58.18], [70.53, 58.03], [70.75, 57.5], [70.53, 56.97], [70.18, 56.82], [70.03, 56.47], [69.5, 56.25], [69.25, 56.35], [69.0, 56.25], [68.5, 56.46], [68.0, 56.25], [67.75, 56.35], [67.5, 56.25], [66.97, 56.47], [66.82, 56.82], [66.47, 56.97], [66.25, 57.5], [66.35, 57.75], [66.25, 58.0], [66.35, 58.25]]]]}, "2018-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.35, 58.25], [66.25, 58.5], [66.35, 58.75], [66.25, 59.0], [66.47, 59.53], [66.82, 59.68], [66.97, 60.03], [67.5, 60.25], [67.75, 60.15], [68.0, 60.25], [68.25, 60.15], [68.5, 60.25], [68.75, 60.15], [69.0, 60.25], [69.25, 60.15], [69.5, 60.25], [69.75, 60.15], [70.0, 60.25], [70.25, 60.15], [70.5, 60.25], [71.03, 60.03], [71.25, 59.5], [71.03, 58.97], [70.68, 58.82], [70.53, 58.47], [70.18, 58.32], [70.15, 58.25], [70.18, 58.18], [70.53, 58.03], [70.75, 57.5], [70.53, 56.97], [70.18, 56.82], [70.03, 56.47], [69.5, 56.25], [69.25, 56.35], [69.0, 56.25], [68.5, 56.46], [68.0, 56.25], [67.75, 56.35], [67.5, 56.25], [66.97, 56.47], [66.82, 56.82], [66.47, 56.97], [66.25, 57.5], [66.35, 57.75], [66.25, 58.0], [66.35, 58.25]]]]}, "2018-10-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[66.35, 58.25], [66.25, 58.5], [66.35, 58.75], [66.25, 59.0], [66.47, 59.53], [66.82, 59.68], [66.97, 60.03], [67.5, 60.25], [67.75, 60.15], [68.0, 60.25], [68.25, 60.15], [68.5, 60.25], [68.75, 60.15], [69.0, 60.25], [69.25, 60.15], [69.5, 60.25], [69.75, 60.15], [70.0, 60.25], [70.25, 60.15], [70.5, 60.25], [71.03, 60.03], [71.25, 59.5], [71.03, 58.97], [70.68, 58.82], [70.53, 58.47], [70.18, 58.32], [70.15, 58.25], [70.18, 58.18], [70.53, 58.03], [70.75, 57.5], [70.53, 56.97], [70.18, 56.82], [70.03, 56.47], [69.5, 56.25], [69.25, 56.35], [69.0, 56.25], [68.5, 56.46], [68.0, 56.25], [67.75, 56.35], [67.5, 56.25], [66.97, 56.47], [66.82, 56.82], [66.47, 56.97], [66.25, 57.5], [66.35, 57.75], [66.25, 58.0], [66.35, 58.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.151896012133875}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.333088896118057}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.204896485785014, 14.343097246794173, 12.538486966736741]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.515383599560153, 15.452062839557755, 14.45687200466432]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.5645892521136195, 9.024996896466407, 7.409680539774149]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.23624208276118, 9.616934178969359, 10.151896012133875]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3869002146197087, 2.2806150216509944, 1.8785777186967458]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5783418937142077, 2.4052831974683193, 2.536398349140791]}}