{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:29.298149", "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": "2012-May-13_to_2012-May-15_118.0_71.0"}, "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": 2012050002348}, "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": "May 13 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 15 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 58621.807907502356}, "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": ["Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Arctic"]}, "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": 71.0}, "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": 118.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "118.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 115.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 127.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 69.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 71.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.5, 72.25], [116.75, 72.15], [117.0, 72.25], [117.25, 72.15], [117.5, 72.25], [117.75, 72.15], [118.0, 72.25], [118.5, 72.04], [119.0, 72.25], [119.25, 72.15], [119.5, 72.25], [119.75, 72.15], [120.0, 72.25], [120.25, 72.15], [120.5, 72.25], [120.75, 72.15], [121.0, 72.25], [121.25, 72.15], [121.5, 72.25], [121.75, 72.15], [122.0, 72.25], [122.25, 72.15], [122.5, 72.25], [122.75, 72.15], [123.0, 72.25], [123.25, 72.15], [123.5, 72.25], [123.75, 72.15], [124.0, 72.25], [124.25, 72.15], [124.5, 72.25], [125.03, 72.03], [125.18, 71.68], [125.25, 71.65], [125.5, 71.75], [125.75, 71.65], [126.0, 71.75], [126.53, 71.53], [126.68, 71.18], [126.75, 71.15], [127.0, 71.25], [127.53, 71.03], [127.75, 70.5], [127.53, 69.97], [127.0, 69.75], [126.75, 69.85], [126.5, 69.75], [126.25, 69.85], [126.0, 69.75], [125.75, 69.85], [125.68, 69.82], [125.53, 69.47], [125.0, 69.25], [124.75, 69.35], [124.5, 69.25], [124.25, 69.35], [124.0, 69.25], [123.75, 69.35], [123.5, 69.25], [122.97, 69.47], [122.82, 69.82], [122.75, 69.85], [122.5, 69.75], [122.25, 69.85], [122.0, 69.75], [121.75, 69.85], [121.5, 69.75], [121.25, 69.85], [121.0, 69.75], [120.75, 69.85], [120.5, 69.75], [120.25, 69.85], [120.0, 69.75], [119.75, 69.85], [119.5, 69.75], [119.25, 69.85], [119.0, 69.75], [118.75, 69.85], [118.5, 69.75], [117.97, 69.97], [117.82, 70.32], [117.75, 70.35], [117.5, 70.25], [117.25, 70.35], [117.0, 70.25], [116.5, 70.46], [116.0, 70.25], [115.47, 70.47], [115.25, 71.0], [115.47, 71.53], [115.82, 71.68], [115.97, 72.03], [116.5, 72.25]]]]}, "2012-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.5, 72.25], [116.75, 72.15], [117.0, 72.25], [117.25, 72.15], [117.5, 72.25], [117.75, 72.15], [118.0, 72.25], [118.5, 72.04], [119.0, 72.25], [119.25, 72.15], [119.5, 72.25], [119.75, 72.15], [120.0, 72.25], [120.25, 72.15], [120.5, 72.25], [120.75, 72.15], [121.0, 72.25], [121.25, 72.15], [121.5, 72.25], [121.75, 72.15], [122.0, 72.25], [122.25, 72.15], [122.5, 72.25], [122.75, 72.15], [123.0, 72.25], [123.25, 72.15], [123.5, 72.25], [123.75, 72.15], [124.0, 72.25], [124.25, 72.15], [124.5, 72.25], [125.03, 72.03], [125.18, 71.68], [125.25, 71.65], [125.5, 71.75], [125.75, 71.65], [126.0, 71.75], [126.53, 71.53], [126.68, 71.18], [126.75, 71.15], [127.0, 71.25], [127.53, 71.03], [127.75, 70.5], [127.53, 69.97], [127.0, 69.75], [126.75, 69.85], [126.5, 69.75], [126.25, 69.85], [126.0, 69.75], [125.75, 69.85], [125.68, 69.82], [125.53, 69.47], [125.0, 69.25], [124.75, 69.35], [124.5, 69.25], [124.25, 69.35], [124.0, 69.25], [123.75, 69.35], [123.5, 69.25], [122.97, 69.47], [122.82, 69.82], [122.75, 69.85], [122.5, 69.75], [122.25, 69.85], [122.0, 69.75], [121.75, 69.85], [121.5, 69.75], [121.25, 69.85], [121.0, 69.75], [120.75, 69.85], [120.5, 69.75], [120.25, 69.85], [120.0, 69.75], [119.75, 69.85], [119.5, 69.75], [119.25, 69.85], [119.0, 69.75], [118.75, 69.85], [118.5, 69.75], [117.97, 69.97], [117.82, 70.32], [117.75, 70.35], [117.5, 70.25], [117.25, 70.35], [117.0, 70.25], [116.5, 70.46], [116.0, 70.25], [115.47, 70.47], [115.25, 71.0], [115.47, 71.53], [115.82, 71.68], [115.97, 72.03], [116.5, 72.25]]]]}, "2012-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[116.5, 72.25], [116.75, 72.15], [117.0, 72.25], [117.25, 72.15], [117.5, 72.25], [117.75, 72.15], [118.0, 72.25], [118.5, 72.04], [119.0, 72.25], [119.25, 72.15], [119.5, 72.25], [119.75, 72.15], [120.0, 72.25], [120.25, 72.15], [120.5, 72.25], [120.75, 72.15], [121.0, 72.25], [121.25, 72.15], [121.5, 72.25], [121.75, 72.15], [122.0, 72.25], [122.25, 72.15], [122.5, 72.25], [122.75, 72.15], [123.0, 72.25], [123.25, 72.15], [123.5, 72.25], [123.75, 72.15], [124.0, 72.25], [124.25, 72.15], [124.5, 72.25], [125.03, 72.03], [125.18, 71.68], [125.25, 71.65], [125.5, 71.75], [125.75, 71.65], [126.0, 71.75], [126.53, 71.53], [126.68, 71.18], [126.75, 71.15], [127.0, 71.25], [127.53, 71.03], [127.75, 70.5], [127.53, 69.97], [127.0, 69.75], [126.75, 69.85], [126.5, 69.75], [126.25, 69.85], [126.0, 69.75], [125.75, 69.85], [125.68, 69.82], [125.53, 69.47], [125.0, 69.25], [124.75, 69.35], [124.5, 69.25], [124.25, 69.35], [124.0, 69.25], [123.75, 69.35], [123.5, 69.25], [122.97, 69.47], [122.82, 69.82], [122.75, 69.85], [122.5, 69.75], [122.25, 69.85], [122.0, 69.75], [121.75, 69.85], [121.5, 69.75], [121.25, 69.85], [121.0, 69.75], [120.75, 69.85], [120.5, 69.75], [120.25, 69.85], [120.0, 69.75], [119.75, 69.85], [119.5, 69.75], [119.25, 69.85], [119.0, 69.75], [118.75, 69.85], [118.5, 69.75], [117.97, 69.97], [117.82, 70.32], [117.75, 70.35], [117.5, 70.25], [117.25, 70.35], [117.0, 70.25], [116.5, 70.46], [116.0, 70.25], [115.47, 70.47], [115.25, 71.0], [115.47, 71.53], [115.82, 71.68], [115.97, 72.03], [116.5, 72.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.484651053295352}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.93510915353105}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [3.5307324682236185, 3.7300879468857033, 1.8704980588406102]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [6.208681609283417, 6.103783037513608, 4.07601171829441]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.685078635510834, 8.602678327865933, 6.517570497216373]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.484651053295352, 9.365569194740317, 7.3913182083740026]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.9172827687335399, 1.9908580422222997, 1.5685281011423045]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.3202727741420626, 2.2331769434206534, 1.7439817500806363]}}