{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:55:04.312088", "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-Aug-20_to_2023-Aug-23_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": 2023080002050}, "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": "August 20 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 23 2023"}, "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": 53693.21962996647}, "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": 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": 65.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 69.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 49.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[64.47, 46.97], [64.25, 47.5], [64.47, 48.03], [64.82, 48.18], [64.97, 48.53], [65.5, 48.75], [65.75, 48.65], [65.82, 48.68], [65.85, 48.75], [65.75, 49.0], [65.97, 49.53], [66.32, 49.68], [66.47, 50.03], [67.0, 50.25], [67.53, 50.03], [67.68, 49.68], [68.03, 49.53], [68.18, 49.18], [68.25, 49.15], [68.5, 49.25], [68.75, 49.15], [69.0, 49.25], [69.53, 49.03], [69.75, 48.5], [69.53, 47.97], [69.18, 47.82], [69.03, 47.47], [68.68, 47.32], [68.65, 47.25], [68.75, 47.0], [68.53, 46.47], [68.0, 46.25], [67.75, 46.35], [67.5, 46.25], [66.97, 46.47], [66.82, 46.82], [66.75, 46.85], [66.5, 46.75], [66.25, 46.85], [66.0, 46.75], [65.75, 46.85], [65.5, 46.75], [65.25, 46.85], [65.0, 46.75], [64.47, 46.97]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.Siberia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2023-08-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 48.03], [65.0, 48.25], [65.53, 48.03], [65.75, 47.5], [65.53, 46.97], [65.0, 46.75], [64.47, 46.97], [64.25, 47.5], [64.47, 48.03]]]]}, "2023-08-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.97, 48.53], [65.5, 48.75], [65.75, 48.65], [65.82, 48.68], [65.85, 48.75], [65.75, 49.0], [65.97, 49.53], [66.32, 49.68], [66.47, 50.03], [67.0, 50.25], [67.53, 50.03], [67.68, 49.68], [68.03, 49.53], [68.18, 49.18], [68.25, 49.15], [68.5, 49.25], [68.75, 49.15], [69.0, 49.25], [69.53, 49.03], [69.75, 48.5], [69.53, 47.97], [69.18, 47.82], [69.03, 47.47], [68.68, 47.32], [68.65, 47.25], [68.75, 47.0], [68.53, 46.47], [68.0, 46.25], [67.75, 46.35], [67.5, 46.25], [66.97, 46.47], [66.82, 46.82], [66.75, 46.85], [66.5, 46.75], [66.25, 46.85], [66.0, 46.75], [65.75, 46.85], [65.5, 46.75], [65.25, 46.85], [65.0, 46.75], [64.47, 46.97], [64.25, 47.5], [64.47, 48.03], [64.82, 48.18], [64.97, 48.53]]]]}, "2023-08-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.97, 48.53], [65.5, 48.75], [65.75, 48.65], [65.82, 48.68], [65.85, 48.75], 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"value": [27.96371257687042, 28.324575759584775, 28.768992585377134, 28.28259394873504]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.226039429452328, 5.411291870829943, 5.853970562734011, 5.730322920344961]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.226039429452328, 5.963925691710301, 6.564122060096565, 6.22113697082392]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.283229489367396, 1.4789469120963845, 1.5591105907661433, 1.486811935372057]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.283229489367396, 1.6144088257730012, 1.7192234771512098, 1.6888240490553614]}}