{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:44.711065", "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": "2013-Jun-18_to_2013-Jun-22_123.5_40.0"}, "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": 2013060002367}, "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 18 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 22 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 62196.568670534885}, "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", "North Korea"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.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": ["Yellow Sea"]}, "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": 40.0}, "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": 123.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "123.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 121.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 125.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-06-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[122.47, 39.47], [122.25, 40.0], [122.47, 40.53], [123.0, 40.75], [123.25, 40.65], [123.5, 40.75], [123.75, 40.65], [124.0, 40.75], [124.25, 40.65], [124.5, 40.75], [124.75, 40.65], [125.0, 40.75], [125.53, 40.53], [125.75, 40.0], [125.53, 39.47], [125.0, 39.25], [124.75, 39.35], [124.5, 39.25], [124.25, 39.35], [124.0, 39.25], [123.75, 39.35], [123.5, 39.25], [123.25, 39.35], [123.0, 39.25], [122.47, 39.47]]]]}, "2013-06-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, 39.5], [121.47, 40.03], [121.82, 40.18], [121.97, 40.53], [122.5, 40.75], [122.75, 40.65], [122.82, 40.68], [122.97, 41.03], [123.5, 41.25], [123.75, 41.15], [124.0, 41.25], [124.53, 41.03], [124.68, 40.68], [124.75, 40.65], [125.0, 40.75], [125.53, 40.53], [125.68, 40.18], [126.03, 40.03], [126.25, 39.5], [126.03, 38.97], [125.5, 38.75], [125.25, 38.85], [125.0, 38.75], [124.47, 38.97], [124.32, 39.32], [124.25, 39.35], [124.0, 39.25], [123.75, 39.35], [123.68, 39.32], [123.53, 38.97], [123.18, 38.82], [123.03, 38.47], [122.5, 38.25], [121.97, 38.47], [121.82, 38.82], [121.47, 38.97], [121.25, 39.5]]]]}, "2013-06-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, 39.5], [121.47, 40.03], [121.82, 40.18], [121.97, 40.53], [122.5, 40.75], [122.75, 40.65], [122.82, 40.68], [122.97, 41.03], [123.5, 41.25], [123.75, 41.15], [124.0, 41.25], [124.53, 41.03], [124.68, 40.68], [124.75, 40.65], [125.0, 40.75], [125.53, 40.53], [125.68, 40.18], [126.03, 40.03], [126.25, 39.5], [126.03, 38.97], [125.63, 38.8], [125.75, 38.5], [125.53, 37.97], [125.18, 37.82], [125.15, 37.75], [125.25, 37.5], [125.03, 36.97], [124.5, 36.75], [123.97, 36.97], [123.82, 37.32], [123.47, 37.47], [123.32, 37.82], [122.97, 37.97], [122.8, 38.38], [122.5, 38.25], [121.97, 38.47], [121.82, 38.82], [121.47, 38.97], [121.25, 39.5]]]]}, "2013-06-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[121.25, 39.5], [121.47, 40.03], [121.82, 40.18], [121.97, 40.53], [122.5, 40.75], [122.75, 40.65], [122.82, 40.68], [122.97, 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