{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:06:16.430473", "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": "2016-Sep-07_to_2016-Sep-11_180.0_65.5"}, "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": 2016090001407}, "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": "September 07 2016"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "September 11 2016"}, "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": 58986.04530027981}, "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", "Russian-Far-East"]}, "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": ["Bering 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": 65.5}, "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": 180.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "180.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 169.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 181.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 65.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2016-09-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[173.97, 63.97], [173.75, 64.5], [173.97, 65.03], [174.5, 65.25], [174.75, 65.15], [175.0, 65.25], [175.53, 65.03], [175.75, 64.5], [175.53, 63.97], [175.0, 63.75], [174.75, 63.85], [174.5, 63.75], [173.97, 63.97]]]]}, "2016-09-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[169.25, 64.0], [169.47, 64.53], [169.82, 64.68], [169.97, 65.03], [170.5, 65.25], [170.75, 65.15], [171.0, 65.25], [171.25, 65.15], [171.5, 65.25], [172.03, 65.03], [172.25, 64.5], [172.15, 64.25], [172.18, 64.18], [172.25, 64.15], [172.32, 64.18], [172.47, 64.53], [173.0, 64.75], [173.25, 64.65], [173.5, 64.75], [173.75, 64.65], [173.82, 64.68], [173.97, 65.03], [174.5, 65.25], [174.75, 65.15], [175.0, 65.25], [175.25, 65.15], [175.32, 65.18], [175.47, 65.53], [175.82, 65.68], [175.97, 66.03], [176.5, 66.25], [177.03, 66.03], [177.18, 65.68], [177.25, 65.65], [177.5, 65.75], [177.75, 65.65], [178.0, 65.75], [178.53, 65.53], [178.68, 65.18], [178.75, 65.15], [179.0, 65.25], [179.25, 65.15], [179.32, 65.18], [179.35, 65.25], [179.25, 65.5], [179.47, 66.03], [180.0, 66.25], [180.0, 63.75], [179.75, 63.85], [179.5, 63.75], [179.25, 63.85], [179.0, 63.75], [178.75, 63.85], [178.5, 63.75], [178.25, 63.85], [178.0, 63.75], [177.75, 63.85], [177.5, 63.75], [177.25, 63.85], [177.0, 63.75], [176.75, 63.85], [176.5, 63.75], [176.25, 63.85], [176.0, 63.75], [175.75, 63.85], [175.5, 63.75], [175.25, 63.85], [175.13, 63.8], [175.25, 63.5], [175.03, 62.97], [174.5, 62.75], [174.25, 62.85], [174.0, 62.75], [173.75, 62.85], [173.68, 62.82], [173.65, 62.75], [173.75, 62.5], [173.53, 61.97], [173.0, 61.75], [172.47, 61.97], [172.32, 62.32], [171.97, 62.47], [171.82, 62.82], [171.75, 62.85], [171.5, 62.75], [171.25, 62.85], [171.0, 62.75], [170.75, 62.85], [170.5, 62.75], [169.97, 62.97], [169.82, 63.32], [169.47, 63.47], [169.25, 64.0]]], [[[-179.75, 66.15], [-179.5, 66.25], [-179.25, 66.15], [-179.0, 66.25], [-178.47, 66.03], [-178.25, 65.5], [-178.47, 64.97], [-178.82, 64.82], [-178.97, 64.47], [-179.32, 64.32], [-179.47, 63.97], [-180.0, 63.75], [-180.0, 66.25], [-179.75, 66.15]]]]}, "2016-09-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[169.25, 64.0], [169.47, 64.53], [169.82, 64.68], [169.97, 65.03], [170.5, 65.25], [170.75, 65.15], [171.0, 65.25], [171.25, 65.15], [171.5, 65.25], [172.03, 65.03], [172.25, 64.5], [172.15, 64.25], [172.18, 64.18], [172.25, 64.15], [172.32, 64.18], [172.47, 64.53], [173.0, 64.75], [173.25, 64.65], [173.5, 64.75], [173.75, 64.65], [173.82, 64.68], [173.97, 65.03], [174.5, 65.25], [174.75, 65.15], [175.0, 65.25], [175.25, 65.15], [175.32, 65.18], [175.47, 65.53], [175.82, 65.68], [175.97, 66.03], [176.5, 66.25], [177.03, 66.03], [177.18, 65.68], [177.25, 65.65], [177.5, 65.75], [177.75, 65.65], [178.0, 65.75], [178.53, 65.53], [178.68, 65.18], [178.75, 65.15], [179.0, 65.25], [179.25, 65.15], [179.32, 65.18], [179.35, 65.25], [179.25, 65.5], [179.47, 66.03], [180.0, 66.25], [180.0, 63.75], [179.75, 63.85], [179.5, 63.75], [179.25, 63.85], [179.0, 63.75], [178.75, 63.85], [178.5, 63.75], [178.25, 63.85], [178.0, 63.75], [177.75, 63.85], [177.5, 63.75], [177.25, 63.85], [177.0, 63.75], [176.75, 63.85], [176.5, 63.75], [176.25, 63.85], [176.0, 63.75], [175.75, 63.85], [175.5, 63.75], [175.25, 63.85], [175.13, 63.8], [175.25, 63.5], [175.03, 62.97], [174.5, 62.75], [174.25, 62.85], [174.0, 62.75], [173.75, 62.85], [173.68, 62.82], [173.65, 62.75], [173.75, 62.5], [173.53, 61.97], [173.0, 61.75], [172.47, 61.97], [172.32, 62.32], [171.97, 62.47], [171.82, 62.82], [171.75, 62.85], [171.5, 62.75], [171.25, 62.85], [171.0, 62.75], [170.75, 62.85], [170.5, 62.75], [169.97, 62.97], [169.82, 63.32], [169.47, 63.47], [169.25, 64.0]]], [[[-179.75, 66.15], [-179.5, 66.25], [-179.25, 66.15], [-179.0, 66.25], [-178.47, 66.03], [-178.25, 65.5], [-178.47, 64.97], [-178.82, 64.82], [-178.97, 64.47], [-179.32, 64.32], [-179.47, 63.97], [-180.0, 63.75], [-180.0, 66.25], [-179.75, 66.15]]]]}, "2016-09-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[169.25, 64.0], [169.47, 64.53], [169.82, 64.68], [169.97, 65.03], [170.5, 65.25], [170.75, 65.15], [171.0, 65.25], [171.25, 65.15], [171.5, 65.25], [172.03, 65.03], [172.25, 64.5], [172.15, 64.25], [172.18, 64.18], [172.25, 64.15], [172.32, 64.18], [172.47, 64.53], [173.0, 64.75], [173.25, 64.65], [173.5, 64.75], [173.75, 64.65], [174.0, 64.75], [174.53, 64.53], [174.68, 64.18], [174.93, 64.07], [174.75, 64.5], [174.97, 65.03], [175.32, 65.18], [175.47, 65.53], [175.82, 65.68], [175.97, 66.03], [176.5, 66.25], [177.03, 66.03], [177.18, 65.68], [177.25, 65.65], [177.5, 65.75], [177.75, 65.65], [178.0, 65.75], [178.53, 65.53], [178.68, 65.18], [178.75, 65.15], [179.0, 65.25], [179.25, 65.15], [179.32, 65.18], [179.35, 65.25], [179.25, 65.5], [179.47, 66.03], [180.0, 66.25], [180.0, 63.75], [179.75, 63.85], [179.5, 63.75], [179.25, 63.85], [179.0, 63.75], [178.75, 63.85], [178.5, 63.75], [178.25, 63.85], [178.0, 63.75], [177.75, 63.85], [177.5, 63.75], [177.25, 63.85], [177.0, 63.75], [176.75, 63.85], [176.5, 63.75], [176.25, 63.85], [176.0, 63.75], [175.75, 63.85], [175.5, 63.75], [175.07, 63.93], [175.25, 63.5], [175.03, 62.97], [174.5, 62.75], [174.25, 62.85], [174.0, 62.75], [173.75, 62.85], [173.68, 62.82], [173.65, 62.75], [173.75, 62.5], [173.53, 61.97], [173.0, 61.75], [172.47, 61.97], [172.32, 62.32], [171.97, 62.47], [171.82, 62.82], [171.75, 62.85], [171.5, 62.75], [171.25, 62.85], [171.0, 62.75], [170.75, 62.85], [170.5, 62.75], [169.97, 62.97], [169.82, 63.32], [169.47, 63.47], [169.25, 64.0]]], [[[-179.75, 66.15], [-179.5, 66.25], [-179.25, 66.15], [-179.0, 66.25], [-178.47, 66.03], [-178.25, 65.5], [-178.47, 64.97], [-178.82, 64.82], [-178.97, 64.47], [-179.32, 64.32], [-179.47, 63.97], [-180.0, 63.75], [-180.0, 66.25], [-179.75, 66.15]]]]}, "2016-09-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[180.0, 66.25], [180.0, 64.75], [179.47, 64.97], [179.25, 65.5], [179.47, 66.03], [180.0, 66.25]]], [[[-179.47, 66.03], [-179.25, 65.5], [-179.47, 64.97], [-180.0, 64.75], [-180.0, 66.25], [-179.47, 66.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 4.455007490724199}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.7282467272874964}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [11.75761183535451, 10.831114930219599, 10.935285490904619, 10.589681316917222, 9.946617545212462]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [12.276021616151013, 12.92923545239006, 12.24808511223938, 11.633982381476756, 9.946617545212462]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.668478326571403, 3.570471212187906, 3.852718869386047, 3.7706637369337166, 3.531617535624207]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.7184055411281065, 4.393261348663145, 4.234964038620149, 4.455007490724199, 3.531617535624207]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.268046239468061, 1.3578509300011137, 1.4929620414033182, 1.4663421596156287, 1.3661301300649393]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.2926241604546131, 1.6048980714774457, 1.8614928482664128, 1.6826763900462627, 1.3661301300649393]}}