{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:32.550698", "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": "2017-Mar-16_to_2017-Mar-20_128.5_39.0"}, "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": 2017030001784}, "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": "March 16 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 20 2017"}, "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": 64565.93954835237}, "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": ["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": ["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": 39.0}, "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": 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": 127.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 131.25}, "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": 40.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-03-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.5, 39.75], [129.03, 39.53], [129.25, 39.0], [129.03, 38.47], [128.5, 38.25], [127.97, 38.47], [127.75, 39.0], [127.97, 39.53], [128.5, 39.75]]]]}, "2017-03-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.25, 40.0], [127.47, 40.53], [128.0, 40.75], [128.25, 40.65], [128.32, 40.68], [128.47, 41.03], [129.0, 41.25], [129.53, 41.03], [129.68, 40.68], [129.75, 40.65], [130.0, 40.75], [130.25, 40.65], [130.5, 40.75], [131.03, 40.53], [131.25, 40.0], [131.15, 39.75], [131.18, 39.68], [131.53, 39.53], [131.75, 39.0], [131.53, 38.47], [131.0, 38.25], [130.75, 38.35], [130.5, 38.25], [130.25, 38.35], [130.18, 38.32], [130.03, 37.97], [129.5, 37.75], [129.25, 37.85], [129.0, 37.75], [128.47, 37.97], [128.32, 38.32], [128.25, 38.35], [128.0, 38.25], [127.75, 38.35], [127.5, 38.25], [126.97, 38.47], [126.75, 39.0], [126.97, 39.53], [127.32, 39.68], [127.35, 39.75], [127.25, 40.0]]]]}, "2017-03-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.25, 40.0], [127.47, 40.53], [127.82, 40.68], [127.97, 41.03], [128.5, 41.25], [128.75, 41.15], [129.0, 41.25], [129.53, 41.03], [129.68, 40.68], [129.75, 40.65], [130.0, 40.75], [130.25, 40.65], [130.5, 40.75], [131.03, 40.53], [131.25, 40.0], [131.15, 39.75], [131.18, 39.68], [131.53, 39.53], [131.75, 39.0], [131.53, 38.47], [131.0, 38.25], [130.75, 38.35], [130.68, 38.32], [130.53, 37.97], [130.18, 37.82], [130.03, 37.47], [129.5, 37.25], [129.25, 37.35], [129.0, 37.25], [128.47, 37.47], [128.25, 38.0], [128.35, 38.25], [128.32, 38.32], [128.25, 38.35], [128.0, 38.25], [127.75, 38.35], [127.5, 38.25], [126.97, 38.47], [126.75, 39.0], [126.97, 39.53], [127.32, 39.68], [127.35, 39.75], [127.25, 40.0]]]]}, "2017-03-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.25, 40.0], [127.47, 40.53], [127.82, 40.68], [127.97, 41.03], [128.5, 41.25], [128.75, 41.15], [129.0, 41.25], [129.53, 41.03], [129.68, 40.68], [129.75, 40.65], [130.0, 40.75], [130.25, 40.65], [130.5, 40.75], [131.03, 40.53], [131.25, 40.0], [131.15, 39.75], [131.18, 39.68], [131.53, 39.53], [131.75, 39.0], [131.53, 38.47], [131.0, 38.25], [130.75, 38.35], [130.68, 38.32], [130.53, 37.97], [130.18, 37.82], [130.03, 37.47], [129.5, 37.25], [129.25, 37.35], [129.0, 37.25], [128.47, 37.47], [128.25, 38.0], [128.35, 38.25], [128.32, 38.32], [128.25, 38.35], [128.0, 38.25], [127.75, 38.35], [127.5, 38.25], [126.97, 38.47], [126.75, 39.0], [126.97, 39.53], [127.32, 39.68], [127.35, 39.75], [127.25, 40.0]]]]}, "2017-03-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[127.88, 40.2], [127.75, 40.5], [127.97, 41.03], [128.5, 41.25], [128.75, 41.15], [129.0, 41.25], [129.53, 41.03], [129.68, 40.68], [129.75, 40.65], [130.0, 40.75], [130.25, 40.65], [130.5, 40.75], [131.03, 40.53], [131.25, 40.0], [131.15, 39.75], [131.18, 39.68], [131.53, 39.53], [131.75, 39.0], [131.53, 38.47], [131.0, 38.25], [130.75, 38.35], [130.68, 38.32], [130.53, 37.97], [130.18, 37.82], [130.03, 37.47], [129.5, 37.25], [129.25, 37.35], [129.0, 37.25], [128.47, 37.47], [128.25, 38.0], [128.35, 38.25], [128.32, 38.32], [128.25, 38.35], [128.0, 38.25], [127.75, 38.35], [127.5, 38.25], [126.97, 38.47], [126.75, 39.0], [126.97, 39.53], [127.32, 39.68], [127.47, 40.03], [127.88, 40.2]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.534874926550515}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.789985270419433}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [8.37124042676021, 8.505019856300407, 9.04132442895849, 9.198550384783971, 9.224918819207119]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [8.37124042676021, 10.200289806264607, 12.003509324454171, 11.238724030724143, 12.022180624204566]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [2.7948663072153295, 3.5506802608629506, 3.8975098555963372, 3.955021577794997, 3.7555848737828934]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [2.7948663072153295, 4.245803321349513, 5.016885863283392, 5.138179775561127, 5.534874926550515]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3684683603523093, 1.6848500584566743, 1.7832987125061932, 1.7487905388720195, 1.663733342053495]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3684683603523093, 2.1065999733677736, 2.420111127673347, 2.3054649886373375, 2.0798766792569783]}}