{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:56:11.566987", "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": "2023-Nov-02_to_2023-Nov-04_69.0_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": 2023110000977}, "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": "November 02 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 04 2023"}, "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": 99370.96941184913}, "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"]}, "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": 69.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "69.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 64.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 71.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 50.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[64.5, 51.75], [64.75, 51.65], [64.82, 51.68], [64.97, 52.03], [65.5, 52.25], [65.75, 52.15], [66.0, 52.25], [66.25, 52.15], 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{"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.75, 51.0], [63.97, 51.53], [64.5, 51.75], [64.75, 51.65], [64.82, 51.68], [64.97, 52.03], [65.5, 52.25], [65.75, 52.15], [66.0, 52.25], [66.25, 52.15], [66.32, 52.18], [66.47, 52.53], [67.0, 52.75], [67.25, 52.65], [67.5, 52.75], [67.75, 52.65], [68.0, 52.75], [68.25, 52.65], [68.5, 52.75], [68.75, 52.65], [69.0, 52.75], [69.25, 52.65], [69.5, 52.75], [70.03, 52.53], [70.18, 52.18], [70.53, 52.03], [70.68, 51.68], [71.03, 51.53], [71.18, 51.18], [71.53, 51.03], [71.75, 50.5], [71.53, 49.97], [71.0, 49.75], [70.75, 49.85], [70.5, 49.75], [70.25, 49.85], [70.0, 49.75], [69.75, 49.85], [69.5, 49.75], [69.25, 49.85], [69.18, 49.82], [69.03, 49.47], [68.5, 49.25], [68.25, 49.35], [68.0, 49.25], [67.75, 49.35], [67.5, 49.25], [67.25, 49.35], [67.0, 49.25], [66.75, 49.35], [66.5, 49.25], [66.25, 49.35], [66.0, 49.25], [65.75, 49.35], [65.5, 49.25], [65.25, 49.35], [65.0, 49.25], [64.47, 49.47], [64.32, 49.82], [63.97, 49.97], [63.75, 50.5], [63.85, 50.75], [63.75, 51.0]]]]}, "2023-11-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[63.75, 51.0], [63.97, 51.53], [64.5, 51.75], [64.75, 51.65], [64.82, 51.68], [64.97, 52.03], [65.5, 52.25], [65.75, 52.15], [66.0, 52.25], [66.25, 52.15], [66.32, 52.18], [66.47, 52.53], [67.0, 52.75], [67.25, 52.65], [67.5, 52.75], [67.75, 52.65], [68.0, 52.75], [68.25, 52.65], [68.5, 52.75], [68.75, 52.65], [69.0, 52.75], [69.25, 52.65], [69.5, 52.75], [70.03, 52.53], [70.18, 52.18], [70.53, 52.03], [70.68, 51.68], [71.03, 51.53], [71.18, 51.18], [71.53, 51.03], [71.75, 50.5], [71.53, 49.97], [71.0, 49.75], [70.75, 49.85], [70.5, 49.75], [70.25, 49.85], [70.0, 49.75], [69.75, 49.85], [69.5, 49.75], [69.25, 49.85], [69.18, 49.82], [69.03, 49.47], [68.5, 49.25], [68.25, 49.35], [68.0, 49.25], [67.75, 49.35], [67.5, 49.25], [67.25, 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49.35], [68.0, 49.25], [67.75, 49.35], [67.5, 49.25], [67.25, 49.35], [67.0, 49.25], [66.75, 49.35], [66.5, 49.25], [66.25, 49.35], [66.0, 49.25], [65.75, 49.35], [65.5, 49.25], [65.25, 49.35], [65.0, 49.25], [64.47, 49.47], [64.32, 49.82], [63.97, 49.97], [63.75, 50.5], [63.85, 50.75], [63.75, 51.0]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.142286481598546}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.669939453095242}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [7.086915266647054, 6.875874460216835, 5.693564587306753]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.986913812257683, 8.292560427803721, 6.612952323078787]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.7427011722628025, 5.932248620290147, 5.334868566732785]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.417295929625652, 7.142286481598546, 5.976976680991754]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5680743156899086, 1.559984629032368, 1.3502097311515877]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.753762574788799, 1.8087838404797132, 1.5276072259621098]}}