{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:17:53.701776", "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-17_to_2018-Aug-19_100.0_62.0"}, "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": 2018080002459}, "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 17 2018"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 19 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": 61588.0821539488}, "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": ["E.Siberia", "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": 62.0}, "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": 100.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "100.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 98.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 103.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 60.25}, "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": {"2018-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.35, 61.25], [98.25, 61.5], [98.35, 61.75], [98.25, 62.0], 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"2018-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.35, 61.25], [98.25, 61.5], [98.35, 61.75], [98.25, 62.0], [98.35, 62.25], [98.25, 62.5], [98.47, 63.03], [99.0, 63.25], [99.25, 63.15], [99.32, 63.18], [99.38, 63.3], [98.97, 63.47], [98.82, 63.82], [98.47, 63.97], [98.25, 64.5], [98.47, 65.03], [99.0, 65.25], [99.25, 65.15], [99.5, 65.25], [100.03, 65.03], [100.18, 64.68], [100.25, 64.65], [100.5, 64.75], [100.75, 64.65], [100.82, 64.68], [100.97, 65.03], [101.38, 65.2], [101.25, 65.5], [101.47, 66.03], [102.0, 66.25], [102.53, 66.03], [102.68, 65.68], [103.03, 65.53], [103.18, 65.18], [103.53, 65.03], [103.75, 64.5], [103.65, 64.25], [103.75, 64.0], [103.65, 63.75], [103.75, 63.5], [103.53, 62.97], [103.18, 62.82], [103.03, 62.47], [102.5, 62.25], [102.2, 62.38], [102.03, 61.97], [101.68, 61.82], [101.53, 61.47], [101.0, 61.25], [100.75, 61.35], [100.68, 61.32], [100.65, 61.25], [100.75, 61.0], [100.53, 60.47], [100.0, 60.25], [99.75, 60.35], [99.68, 60.32], [99.53, 59.97], [99.0, 59.75], [98.47, 59.97], [98.25, 60.5], [98.35, 60.75], [98.25, 61.0], [98.35, 61.25]]]]}, "2018-08-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[98.35, 61.25], [98.25, 61.5], [98.35, 61.75], [98.25, 62.0], [98.35, 62.25], [98.25, 62.5], [98.47, 63.03], [99.0, 63.25], [99.25, 63.15], [99.32, 63.18], [99.38, 63.3], [98.97, 63.47], [98.82, 63.82], [98.47, 63.97], [98.25, 64.5], [98.47, 65.03], [99.0, 65.25], [99.25, 65.15], [99.5, 65.25], [100.03, 65.03], [100.18, 64.68], [100.25, 64.65], [100.5, 64.75], [100.75, 64.65], [100.82, 64.68], [100.97, 65.03], [101.38, 65.2], [101.25, 65.5], [101.47, 66.03], [102.0, 66.25], [102.53, 66.03], [102.68, 65.68], [103.03, 65.53], [103.18, 65.18], [103.53, 65.03], [103.75, 64.5], [103.65, 64.25], [103.75, 64.0], [103.65, 63.75], [103.75, 63.5], [103.53, 62.97], [103.18, 62.82], [103.03, 62.47], [102.5, 62.25], [102.2, 62.38], [102.03, 61.97], [101.68, 61.82], [101.53, 61.47], [101.0, 61.25], 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"value": [4.195962397131658, 4.332244418263652, 4.481369205435624]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.539887666092568, 4.7181131158951075, 4.969054495738646]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4108800614416155, 1.45388318601015, 1.4893139128101525]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5318783542270447, 1.601776416617343, 1.7073785398062133]}}