{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:50:47.077600", "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-Jun-15_to_2012-Jun-18_179.0_65.0"}, "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": 2012060002636}, "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": "June 15 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 18 2012"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 63276.675983577275}, "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": 65.0}, "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": 179.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "179.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 175.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 179.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 66.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[174.75, 63.5], [174.97, 64.03], [175.5, 64.25], [175.75, 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"coordinates": [[[[174.75, 63.5], [174.97, 64.03], [175.5, 64.25], [175.75, 64.15], [176.0, 64.25], [176.25, 64.15], [176.32, 64.18], [176.35, 64.25], [176.32, 64.32], [175.97, 64.47], [175.82, 64.82], [175.47, 64.97], [175.32, 65.32], [174.97, 65.47], [174.75, 66.0], [174.97, 66.53], [175.32, 66.68], [175.47, 67.03], [176.0, 67.25], [176.25, 67.15], [176.5, 67.25], [176.75, 67.15], [177.0, 67.25], [177.25, 67.15], [177.5, 67.25], [177.75, 67.15], [178.0, 67.25], [178.25, 67.15], [178.5, 67.25], [179.03, 67.03], [179.25, 66.5], [179.15, 66.25], [179.18, 66.18], [179.53, 66.03], [179.75, 65.5], [179.65, 65.25], [179.75, 65.0], [179.53, 64.47], [179.18, 64.32], [179.15, 64.25], [179.18, 64.18], [179.53, 64.03], [179.75, 63.5], [179.65, 63.25], [179.75, 63.0], [179.53, 62.47], [179.0, 62.25], [178.75, 62.35], [178.5, 62.25], [178.25, 62.35], [178.0, 62.25], [177.75, 62.35], [177.5, 62.25], [177.25, 62.35], [177.0, 62.25], [176.75, 62.35], [176.5, 62.25], [176.25, 62.35], [176.0, 62.25], [175.47, 62.47], [175.32, 62.82], [174.97, 62.97], [174.75, 63.5]]]]}, "2012-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[174.75, 63.5], [174.97, 64.03], [175.5, 64.25], [175.75, 64.15], [176.0, 64.25], [176.25, 64.15], [176.32, 64.18], [176.35, 64.25], [176.32, 64.32], [175.97, 64.47], [175.82, 64.82], [175.47, 64.97], [175.32, 65.32], [174.97, 65.47], [174.75, 66.0], [174.97, 66.53], [175.32, 66.68], [175.47, 67.03], [176.0, 67.25], [176.25, 67.15], [176.5, 67.25], [176.75, 67.15], [177.0, 67.25], [177.25, 67.15], [177.5, 67.25], [177.75, 67.15], [178.0, 67.25], [178.25, 67.15], [178.5, 67.25], [179.03, 67.03], [179.25, 66.5], [179.15, 66.25], [179.18, 66.18], [179.53, 66.03], [179.75, 65.5], [179.65, 65.25], [179.75, 65.0], [179.53, 64.47], [179.18, 64.32], [179.15, 64.25], [179.18, 64.18], [179.53, 64.03], [179.75, 63.5], [179.65, 63.25], [179.75, 63.0], [179.53, 62.47], [179.0, 62.25], [178.75, 62.35], [178.5, 62.25], [178.25, 62.35], [178.0, 62.25], 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recorded over entire duration", "value": 8.273610523436787}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.470663123714913}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [16.37949481092261, 16.84542440802494, 16.739033213426296, 15.73438660216027]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.881002819137052, 19.36872641300539, 20.313042307516355, 18.93795233154458]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.512138105280837, 6.723233727463963, 6.350653553689027, 5.452368895459124]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.61680184036959, 8.273610523436787, 8.155390211799613, 6.407610786209773]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.7622795027588167, 1.84694366931155, 1.7837601433126675, 1.5737122908629375]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.8030514476886603, 2.3731491213487637, 2.7852832809669352, 1.8396971508560473]}}