{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:57:35.457308", "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": "2025-Oct-22_to_2025-Oct-25_65.0_47.5"}, "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": 2025100002064}, "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 22 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 25 2025"}, "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": 52263.624741774234}, "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": 47.5}, "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": 65.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "65.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 62.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 66.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 48.03], [65.0, 48.25], [65.53, 48.03], [65.75, 47.5], [65.65, 47.25], [65.75, 47.0], [65.53, 46.47], [65.0, 46.25], [64.47, 46.47], [64.25, 47.0], [64.35, 47.25], [64.25, 47.5], [64.47, 48.03]]]]}, "2025-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.47, 48.53], [63.0, 48.75], [63.25, 48.65], [63.5, 48.75], [63.75, 48.65], [63.82, 48.68], [63.97, 49.03], [64.5, 49.25], [64.75, 49.15], [65.0, 49.25], [65.25, 49.15], [65.5, 49.25], [66.03, 49.03], [66.25, 48.5], [66.15, 48.25], [66.25, 48.0], [66.15, 47.75], [66.18, 47.68], [66.53, 47.53], [66.75, 47.0], [66.54, 46.5], [66.75, 46.0], [66.53, 45.47], [66.0, 45.25], [65.47, 45.47], [65.32, 45.82], [65.25, 45.85], [65.0, 45.75], [64.75, 45.85], [64.5, 45.75], [63.97, 45.97], [63.82, 46.32], [63.75, 46.35], [63.5, 46.25], [62.97, 46.47], [62.82, 46.82], [62.47, 46.97], [62.25, 47.5], [62.35, 47.75], [62.25, 48.0], [62.47, 48.53]]]]}, "2025-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.47, 48.53], [63.0, 48.75], [63.25, 48.65], [63.5, 48.75], [63.75, 48.65], [63.82, 48.68], [63.97, 49.03], [64.5, 49.25], [64.75, 49.15], [65.0, 49.25], [65.25, 49.15], [65.5, 49.25], [66.03, 49.03], [66.25, 48.5], [66.15, 48.25], [66.25, 48.0], [66.15, 47.75], [66.18, 47.68], [66.53, 47.53], [66.75, 47.0], [66.54, 46.5], [66.75, 46.0], [66.53, 45.47], [66.0, 45.25], [65.47, 45.47], [65.32, 45.82], [65.25, 45.85], [65.0, 45.75], [64.75, 45.85], [64.5, 45.75], [63.97, 45.97], [63.82, 46.32], [63.75, 46.35], [63.5, 46.25], [62.97, 46.47], [62.82, 46.82], [62.47, 46.97], [62.25, 47.5], [62.35, 47.75], [62.25, 48.0], [62.47, 48.53]]]]}, "2025-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[62.47, 48.53], [63.0, 48.75], [63.25, 48.65], [63.5, 48.75], [63.75, 48.65], [63.82, 48.68], [63.97, 49.03], [64.5, 49.25], [64.75, 49.15], [65.0, 49.25], [65.25, 49.15], [65.5, 49.25], [66.03, 49.03], [66.25, 48.5], [66.15, 48.25], [66.25, 48.0], [66.15, 47.75], [66.18, 47.68], [66.53, 47.53], [66.75, 47.0], [66.54, 46.5], [66.75, 46.0], [66.53, 45.47], [66.0, 45.25], [65.47, 45.47], [65.32, 45.82], [65.25, 45.85], [65.0, 45.75], [64.75, 45.85], [64.5, 45.75], [63.97, 45.97], [63.82, 46.32], [63.75, 46.35], [63.5, 46.25], [62.97, 46.47], [62.82, 46.82], [62.47, 46.97], [62.25, 47.5], [62.35, 47.75], [62.25, 48.0], [62.47, 48.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.817907501900322}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.552055017018739}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [12.067896779378316, 12.68778767903649, 13.257346547444683, 11.585404307047554]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.10777308146163, 14.097914632161462, 14.829674021403036, 12.193858083089196]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.529742664992824, 6.555681094351903, 7.314745972073403, 5.8675229727929805]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.610285940160395, 7.39487963860978, 7.817907501900322, 6.4392515454316595]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3524500796600512, 1.6039616685368292, 1.7867543741543324, 1.4488782368875053]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3656282413096659, 1.818070862060873, 1.9038932538340336, 1.5908075048794457]}}