{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:57:42.066885", "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": "2014-Oct-29_to_2014-Nov-01_128.5_41.5"}, "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": 2014100002952}, "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": "October 29 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 01 2014"}, "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": 98818.75141409223}, "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", "South 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": ["Japan 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": 41.5}, "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": 128.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "128.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 125.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 129.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 42.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, 42.25], [129.03, 42.03], [129.25, 41.5], [129.03, 40.97], [128.5, 40.75], [127.97, 40.97], [127.75, 41.5], [127.97, 42.03], [128.5, 42.25]]]]}, "2014-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.46, 39.5], [125.25, 40.0], [125.35, 40.25], [125.25, 40.5], [125.46, 41.0], [125.25, 41.5], [125.47, 42.03], [126.0, 42.25], [126.5, 42.04], [127.0, 42.25], [127.25, 42.15], [127.32, 42.18], [127.47, 42.53], [127.82, 42.68], [127.97, 43.03], [128.5, 43.25], [129.0, 43.04], [129.5, 43.25], [130.03, 43.03], [130.25, 42.5], [130.15, 42.25], [130.25, 42.0], [130.15, 41.75], [130.25, 41.5], [130.03, 40.97], [129.68, 40.82], [129.53, 40.47], [129.18, 40.32], [129.03, 39.97], [128.68, 39.82], [128.63, 39.7], [129.03, 39.53], [129.25, 39.0], [129.03, 38.47], [128.68, 38.32], [128.65, 38.25], [128.75, 38.0], [128.53, 37.47], [128.0, 37.25], [127.75, 37.35], [127.5, 37.25], [126.97, 37.47], [126.82, 37.82], [126.75, 37.85], [126.5, 37.75], [126.25, 37.85], [126.0, 37.75], [125.47, 37.97], [125.25, 38.5], [125.35, 38.75], [125.25, 39.0], [125.46, 39.5]], [[127.88, 39.3], [127.75, 39.35], [127.68, 39.32], [127.65, 39.25], [127.7, 39.13], [127.82, 39.18], [127.88, 39.3]]]]}, "2014-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.46, 39.5], [125.25, 40.0], [125.35, 40.25], [125.25, 40.5], [125.46, 41.0], [125.25, 41.5], [125.47, 42.03], [126.0, 42.25], [126.5, 42.04], [127.0, 42.25], [127.25, 42.15], [127.32, 42.18], [127.47, 42.53], [127.82, 42.68], [127.97, 43.03], [128.5, 43.25], [129.0, 43.04], [129.5, 43.25], [130.03, 43.03], [130.25, 42.5], [130.15, 42.25], [130.25, 42.0], [130.15, 41.75], [130.25, 41.5], [130.03, 40.97], [129.68, 40.82], [129.53, 40.47], [129.18, 40.32], [129.03, 39.97], [128.68, 39.82], [128.63, 39.7], [129.03, 39.53], [129.25, 39.0], [129.03, 38.47], [128.68, 38.32], [128.65, 38.25], [128.75, 38.0], [128.53, 37.47], [128.0, 37.25], [127.75, 37.35], [127.5, 37.25], [126.97, 37.47], [126.82, 37.82], [126.75, 37.85], [126.5, 37.75], [126.25, 37.85], [126.0, 37.75], [125.47, 37.97], [125.25, 38.5], [125.35, 38.75], [125.25, 39.0], [125.46, 39.5]], [[127.88, 39.3], [127.75, 39.35], [127.68, 39.32], [127.65, 39.25], [127.7, 39.13], [127.82, 39.18], [127.88, 39.3]]]]}, "2014-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[125.46, 39.5], [125.25, 40.0], [125.35, 40.25], [125.25, 40.5], [125.46, 41.0], [125.25, 41.5], [125.47, 42.03], [126.0, 42.25], [126.5, 42.04], [127.0, 42.25], [127.25, 42.15], [127.32, 42.18], [127.47, 42.53], [127.82, 42.68], [127.97, 43.03], [128.5, 43.25], [129.0, 43.04], [129.5, 43.25], [130.03, 43.03], [130.25, 42.5], [130.15, 42.25], [130.25, 42.0], [130.15, 41.75], [130.25, 41.5], [130.03, 40.97], [129.68, 40.82], [129.53, 40.47], [129.18, 40.32], [129.03, 39.97], [128.68, 39.82], [128.63, 39.7], [129.03, 39.53], [129.25, 39.0], [129.03, 38.47], [128.68, 38.32], [128.65, 38.25], [128.75, 38.0], [128.53, 37.47], [128.0, 37.25], [127.75, 37.35], [127.5, 37.25], [126.97, 37.47], [126.82, 37.82], 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"description": "The daily evolution of mean t2m anomalies.", "value": [5.284936791986581, 5.688998305160839, 6.819451683471052, 6.575611789150904]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.284936791986581, 7.5860140204587765, 9.35151545217684, 7.486382953802774]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.352521954577622, 1.5225961342222694, 1.819856508370877, 1.7217766570040898]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.352521954577622, 1.8335863059030002, 2.0935853406976626, 2.1424218566373114]}}