{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:53.574472", "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": "2018-Aug-16_to_2018-Aug-18_106.0_66.5"}, "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": 2018080002410}, "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": "August 16 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2018"}, "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": 50013.846840429374}, "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": 66.5}, "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": 106.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "106.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 97.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 106.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 65.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 67.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2018-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.47, 68.03], [98.0, 68.25], [98.25, 68.15], [98.5, 68.25], [98.75, 68.15], [99.0, 68.25], [99.25, 68.15], [99.5, 68.25], [99.75, 68.15], [100.0, 68.25], [100.53, 68.03], [100.68, 67.68], [100.75, 67.65], [101.0, 67.75], [101.25, 67.65], [101.5, 67.75], [101.75, 67.65], [102.0, 67.75], [102.25, 67.65], [102.5, 67.75], [102.75, 67.65], [103.0, 67.75], [103.25, 67.65], [103.5, 67.75], [103.75, 67.65], [104.0, 67.75], [104.25, 67.65], [104.5, 67.75], [104.75, 67.65], [105.0, 67.75], [105.53, 67.53], [105.68, 67.18], [105.75, 67.15], [106.0, 67.25], [106.25, 67.15], [106.5, 67.25], [107.03, 67.03], [107.25, 66.5], [107.03, 65.97], [106.5, 65.75], [106.25, 65.85], [106.0, 65.75], [105.75, 65.85], [105.5, 65.75], [105.25, 65.85], [105.0, 65.75], [104.75, 65.85], [104.5, 65.75], [104.25, 65.85], [104.0, 65.75], [103.75, 65.85], [103.5, 65.75], [103.25, 65.85], [103.0, 65.75], [102.75, 65.85], [102.5, 65.75], [102.25, 65.85], [102.0, 65.75], [101.75, 65.85], [101.68, 65.82], [101.53, 65.47], [101.0, 65.25], [100.75, 65.35], [100.5, 65.25], [100.0, 65.46], [99.5, 65.25], [99.25, 65.35], [99.0, 65.25], [98.47, 65.47], [98.32, 65.82], [97.97, 65.97], [97.82, 66.32], [97.47, 66.47], [97.25, 67.0], [97.35, 67.25], [97.25, 67.5], [97.47, 68.03]]]]}, "2018-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.47, 68.03], [98.0, 68.25], [98.25, 68.15], [98.5, 68.25], [98.75, 68.15], [99.0, 68.25], [99.25, 68.15], [99.5, 68.25], [99.75, 68.15], [100.0, 68.25], [100.53, 68.03], [100.68, 67.68], [100.75, 67.65], [101.0, 67.75], [101.25, 67.65], [101.5, 67.75], [101.75, 67.65], [102.0, 67.75], [102.25, 67.65], [102.5, 67.75], [102.75, 67.65], [103.0, 67.75], [103.25, 67.65], [103.5, 67.75], [103.75, 67.65], [104.0, 67.75], [104.25, 67.65], [104.5, 67.75], [104.75, 67.65], [105.0, 67.75], [105.53, 67.53], [105.68, 67.18], [105.75, 67.15], [106.0, 67.25], [106.25, 67.15], [106.5, 67.25], [107.03, 67.03], [107.25, 66.5], [107.03, 65.97], [106.5, 65.75], [106.25, 65.85], [106.0, 65.75], [105.75, 65.85], [105.5, 65.75], [105.25, 65.85], [105.0, 65.75], [104.75, 65.85], [104.5, 65.75], [104.25, 65.85], [104.0, 65.75], [103.75, 65.85], [103.5, 65.75], [103.25, 65.85], [103.0, 65.75], [102.75, 65.85], [102.5, 65.75], [102.25, 65.85], [102.0, 65.75], [101.75, 65.85], [101.68, 65.82], [101.53, 65.47], [101.0, 65.25], [100.75, 65.35], [100.5, 65.25], [100.0, 65.46], [99.5, 65.25], [99.25, 65.35], [99.0, 65.25], [98.47, 65.47], [98.32, 65.82], [97.97, 65.97], [97.82, 66.32], [97.47, 66.47], [97.25, 67.0], [97.35, 67.25], [97.25, 67.5], [97.47, 68.03]]]]}, "2018-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[97.47, 68.03], [98.0, 68.25], [98.25, 68.15], [98.5, 68.25], [98.75, 68.15], [99.0, 68.25], [99.25, 68.15], [99.5, 68.25], [99.75, 68.15], [100.0, 68.25], [100.53, 68.03], [100.68, 67.68], [100.75, 67.65], [101.0, 67.75], [101.25, 67.65], [101.5, 67.75], [101.75, 67.65], [102.0, 67.75], [102.25, 67.65], [102.5, 67.75], [102.75, 67.65], [103.0, 67.75], [103.25, 67.65], [103.5, 67.75], [103.75, 67.65], [104.0, 67.75], [104.25, 67.65], [104.5, 67.75], [104.75, 67.65], [105.0, 67.75], [105.53, 67.53], [105.68, 67.18], [105.75, 67.15], [106.0, 67.25], [106.25, 67.15], [106.5, 67.25], [107.03, 67.03], [107.25, 66.5], [107.03, 65.97], [106.5, 65.75], [106.25, 65.85], [106.0, 65.75], [105.75, 65.85], [105.5, 65.75], [105.25, 65.85], [105.0, 65.75], [104.75, 65.85], [104.5, 65.75], [104.25, 65.85], [104.0, 65.75], [103.75, 65.85], [103.5, 65.75], [103.25, 65.85], [103.0, 65.75], [102.75, 65.85], [102.5, 65.75], [102.25, 65.85], [102.0, 65.75], [101.75, 65.85], [101.68, 65.82], [101.53, 65.47], [101.0, 65.25], [100.75, 65.35], [100.5, 65.25], [100.0, 65.46], [99.5, 65.25], [99.25, 65.35], [99.0, 65.25], [98.47, 65.47], [98.32, 65.82], [97.97, 65.97], [97.82, 66.32], [97.47, 66.47], [97.25, 67.0], [97.35, 67.25], [97.25, 67.5], [97.47, 68.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.978175165279595}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.89015536666095}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.08458525076753, 15.992965983154647, 15.74695711890513]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [17.128908343313242, 17.18729911216161, 16.73243088164304]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.962588758055585, 4.933881712555877, 4.773995629371383]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.978175165279595, 5.958692541205778, 5.314698008375501]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5220028100277065, 1.505301130281375, 1.3780598636577985]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7644357612048822, 1.8808957719722426, 1.4888029446089905]}}