{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:23:04.674206", "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": "2021-Jan-18_to_2021-Jan-25_84.0_37.0"}, "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": 2021010002142}, "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 18 2021"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "January 25 2021"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 8}, "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": 68448.32741531199}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": 37.0}, "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": 84.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "84.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 80.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 85.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 36.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 38.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2021-01-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.0, 37.75], [84.53, 37.53], [84.75, 37.0], [84.53, 36.47], 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[84.75, 36.85], [84.68, 36.82], [84.53, 36.47], [84.0, 36.25], [83.75, 36.35], [83.5, 36.25], [83.25, 36.35], [83.0, 36.25], [82.47, 36.47]]]]}, "2021-01-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.47, 36.47], [82.25, 37.0], [82.47, 37.53], [83.0, 37.75], [83.25, 37.65], [83.5, 37.75], [83.75, 37.65], [83.82, 37.68], [83.97, 38.03], [84.5, 38.25], [84.75, 38.15], [85.0, 38.25], [85.25, 38.15], [85.5, 38.25], [86.03, 38.03], [86.25, 37.5], [86.03, 36.97], [85.5, 36.75], [85.25, 36.85], [85.0, 36.75], [84.75, 36.85], [84.68, 36.82], [84.53, 36.47], [84.0, 36.25], [83.75, 36.35], [83.5, 36.25], [83.25, 36.35], [83.0, 36.25], [82.47, 36.47]]]]}, "2021-01-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.0, 37.75], [84.53, 37.53], [84.75, 37.0], [84.53, 36.47], [84.0, 36.25], [83.47, 36.47], [83.25, 37.0], [83.47, 37.53], [84.0, 37.75]]]]}, "2021-01-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[79.97, 38.53], [80.32, 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