{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:44.203806", "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": "2017-Apr-14_to_2017-Apr-19_49.5_45.0"}, "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": 2017040001980}, "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": "April 14 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 19 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 67176.54921015326}, "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": ["E.Europe", "W.C.Asia"]}, "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": 45.0}, "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": 49.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 48.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 53.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-04-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.97, 45.03], [48.32, 45.18], [48.47, 45.53], [49.0, 45.75], 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43.5], [49.53, 42.97], [49.0, 42.75], [48.47, 42.97], [48.32, 43.32], [47.97, 43.47], [47.75, 44.0], [47.85, 44.25], [47.75, 44.5], [47.97, 45.03]]]]}, "2017-04-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.35, 44.25], [48.25, 44.5], [48.47, 45.03], [48.82, 45.18], [48.85, 45.25], [48.75, 45.5], [48.85, 45.75], [48.75, 46.0], [48.97, 46.53], [49.5, 46.75], [49.75, 46.65], [49.82, 46.68], [49.97, 47.03], [50.5, 47.25], [50.75, 47.15], [51.0, 47.25], [51.25, 47.15], [51.5, 47.25], [51.75, 47.15], [52.0, 47.25], [52.25, 47.15], [52.5, 47.25], [53.03, 47.03], [53.18, 46.68], [53.53, 46.53], [53.75, 46.0], [53.65, 45.75], [53.75, 45.5], [53.53, 44.97], [53.0, 44.75], [52.75, 44.85], [52.5, 44.75], [52.25, 44.85], [52.0, 44.75], [51.75, 44.85], [51.68, 44.82], [51.53, 44.47], [51.0, 44.25], [50.75, 44.35], [50.5, 44.25], [50.25, 44.35], [50.0, 44.25], [49.75, 44.35], [49.68, 44.32], [49.65, 44.25], [49.75, 44.0], [49.65, 43.75], [49.75, 43.5], [49.53, 42.97], [49.0, 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