{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:50:49.873281", "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-Jan-26_to_2023-Jan-28_73.0_62.5"}, "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": 2023010002842}, "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": "January 26 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 28 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": 62511.95211151638}, "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"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Europe"]}, "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": 62.5}, "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": 73.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "73.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 71.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 77.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 60.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 63.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[70.75, 60.5], [70.97, 61.03], [71.5, 61.25], [71.75, 61.15], [71.82, 61.18], [71.97, 61.53], [72.32, 61.68], [72.35, 61.75], 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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": {"2023-01-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[71.5, 59.75], [70.97, 59.97], [70.75, 60.5], [70.97, 61.03], [71.5, 61.25], [71.75, 61.15], [71.82, 61.18], [71.97, 61.53], [72.32, 61.68], [72.35, 61.75], [72.25, 62.0], [72.35, 62.25], [72.25, 62.5], [72.47, 63.03], [72.82, 63.18], [72.97, 63.53], [73.5, 63.75], [73.75, 63.65], [74.0, 63.75], [74.25, 63.65], [74.5, 63.75], [74.75, 63.65], [74.82, 63.68], [74.97, 64.03], [75.5, 64.25], [75.75, 64.15], [76.0, 64.25], [76.25, 64.15], [76.5, 64.25], [77.03, 64.03], [77.25, 63.5], [77.15, 63.25], [77.25, 63.0], [77.03, 62.47], [76.68, 62.32], [76.63, 62.2], [76.75, 62.15], [77.0, 62.25], [77.25, 62.15], [77.5, 62.25], [78.03, 62.03], [78.25, 61.5], [78.03, 60.97], [77.5, 60.75], [77.25, 60.85], [77.0, 60.75], [76.75, 60.85], 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"value": [-9.268607324240236, -5.505468685137885, -9.237055867754862]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-8.236838603989156, -4.494418453869002, -7.893744503637436]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [11.673896849147626, 15.324744155295656, 11.324341144594188]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [12.230428771857618, 16.210721803269507, 12.440415738075643]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.2233498735163388, 1.6281516232772095, 1.2167900896141344]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3336002031718481, 1.694663280025813, 1.277286377817857]}}