{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:19:59.653607", "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": "2019-Jun-21_to_2019-Jun-24_119.5_47.0"}, "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": 2019060002656}, "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": "June 21 2019"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 24 2019"}, "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": 95402.68746098872}, "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": ["China", "Mongolia"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia"]}, "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": 47.0}, "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": 119.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "119.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 116.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 121.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.25}, "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": {"2019-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.97, 48.47], [116.75, 49.0], [116.97, 49.53], [117.5, 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[117.25, 46.5], [117.38, 46.8], [117.25, 46.85], [117.0, 46.75], [116.47, 46.97], [116.25, 47.5], [116.35, 47.75], [116.25, 48.0], [116.47, 48.53]]]]}, "2019-06-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.47, 48.53], [116.88, 48.7], [116.75, 49.0], [116.97, 49.53], [117.5, 49.75], [117.75, 49.65], [118.0, 49.75], [118.25, 49.65], [118.5, 49.75], [118.75, 49.65], [119.0, 49.75], [119.25, 49.65], [119.32, 49.68], [119.35, 49.75], [119.25, 50.0], [119.47, 50.53], [120.0, 50.75], [120.25, 50.65], [120.5, 50.75], [121.03, 50.53], [121.18, 50.18], [121.53, 50.03], [121.75, 49.5], [121.65, 49.25], [121.75, 49.0], [121.53, 48.47], [121.18, 48.32], [121.03, 47.97], [120.68, 47.82], [120.65, 47.75], [120.75, 47.5], [120.65, 47.25], [120.75, 47.0], [120.54, 46.5], [120.75, 46.0], [120.65, 45.75], [120.75, 45.5], [120.53, 44.97], [120.0, 44.75], [119.5, 44.96], [119.0, 44.75], [118.47, 44.97], [118.32, 45.32], [117.97, 45.47], [117.82, 45.82], [117.47, 45.97], [117.25, 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