{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:02:09.423193", "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": "2015-Jan-03_to_2015-Jan-05_53.0_50.0"}, "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": 2015010001787}, "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 03 2015"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 05 2015"}, "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": 94129.54272847314}, "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", "Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe"]}, "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": 50.0}, "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": 53.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "53.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 47.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 53.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2015-01-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, 48.25], [47.25, 48.5], [47.47, 49.03], [48.0, 49.25], 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"2015-01-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.35, 48.25], [47.25, 48.5], [47.47, 49.03], [48.0, 49.25], [48.25, 49.15], [48.5, 49.25], [48.75, 49.15], [49.0, 49.25], [49.25, 49.15], [49.32, 49.18], [49.47, 49.53], [49.82, 49.68], [49.97, 50.03], [50.5, 50.25], [50.75, 50.15], [51.0, 50.25], [51.25, 50.15], [51.32, 50.18], [51.47, 50.53], [52.0, 50.75], [52.25, 50.65], [52.5, 50.75], [52.75, 50.65], [53.0, 50.75], [53.53, 50.53], [53.75, 50.0], [53.65, 49.75], [53.75, 49.5], [53.65, 49.25], [53.68, 49.18], [54.03, 49.03], [54.25, 48.5], [54.15, 48.25], [54.25, 48.0], [54.03, 47.47], [53.68, 47.32], [53.53, 46.97], [53.0, 46.75], [52.75, 46.85], [52.5, 46.75], [51.97, 46.97], [51.82, 47.32], [51.75, 47.35], [51.5, 47.25], [51.25, 47.35], [51.0, 47.25], [50.75, 47.35], [50.5, 47.25], [50.25, 47.35], [50.18, 47.32], [50.03, 46.97], [49.5, 46.75], [49.25, 46.85], [49.0, 46.75], [48.75, 46.85], [48.5, 46.75], [48.25, 46.85], [48.0, 46.75], [47.47, 46.97], 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