{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:56:58.570561", "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": "2014-Jul-17_to_2014-Jul-19_142.0_68.0"}, "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": 2014070002670}, "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": "July 17 2014"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 19 2014"}, "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": 94500.29401833858}, "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": 68.0}, "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": 142.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "142.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 131.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 143.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 64.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 68.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2014-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.97, 64.97], [130.75, 65.5], [130.97, 66.03], [131.5, 66.25], [131.75, 66.15], [131.82, 66.18], [131.97, 66.53], [132.32, 66.68], [132.47, 67.03], [133.0, 67.25], [133.25, 67.15], [133.5, 67.25], [133.75, 67.15], [133.82, 67.18], [133.97, 67.53], [134.5, 67.75], [134.8, 67.63], [134.97, 68.03], [135.5, 68.25], [135.75, 68.15], [136.0, 68.25], [136.25, 68.15], [136.5, 68.25], [136.75, 68.15], [137.0, 68.25], [137.25, 68.15], [137.5, 68.25], [137.75, 68.15], [137.82, 68.18], [137.97, 68.53], [138.5, 68.75], [138.75, 68.65], [139.0, 68.75], [139.25, 68.65], [139.5, 68.75], [139.75, 68.65], [140.0, 68.75], [140.25, 68.65], [140.5, 68.75], [140.75, 68.65], [141.0, 68.75], [141.25, 68.65], [141.5, 68.75], [141.75, 68.65], [142.0, 68.75], [142.25, 68.65], [142.5, 68.75], [142.75, 68.65], [143.0, 68.75], [143.25, 68.65], [143.5, 68.75], [144.03, 68.53], [144.25, 68.0], [144.15, 67.75], [144.25, 67.5], [144.03, 66.97], [143.5, 66.75], [143.25, 66.85], [143.0, 66.75], [142.75, 66.85], [142.5, 66.75], [142.25, 66.85], [142.0, 66.75], [141.47, 66.97], [141.32, 67.32], [141.25, 67.35], [141.0, 67.25], [140.75, 67.35], [140.63, 67.3], [140.68, 67.18], [141.03, 67.03], [141.25, 66.5], [141.15, 66.25], [141.25, 66.0], [141.03, 65.47], [140.5, 65.25], [140.25, 65.35], [140.0, 65.25], [139.75, 65.35], [139.68, 65.32], [139.53, 64.97], [139.0, 64.75], [138.75, 64.85], [138.5, 64.75], [138.25, 64.85], [138.0, 64.75], [137.5, 64.96], [137.0, 64.75], [136.75, 64.85], [136.5, 64.75], [136.25, 64.85], [136.0, 64.75], [135.75, 64.85], [135.68, 64.82], [135.53, 64.47], [135.0, 64.25], [134.47, 64.47], [134.32, 64.82], [134.25, 64.85], [134.0, 64.75], [133.75, 64.85], [133.5, 64.75], [133.25, 64.85], [133.0, 64.75], [132.75, 64.85], [132.5, 64.75], [132.25, 64.85], [132.0, 64.75], [131.75, 64.85], [131.5, 64.75], [130.97, 64.97]], [[137.82, 66.82], [137.75, 66.85], [137.63, 66.8], [137.68, 66.68], [137.75, 66.65], [137.88, 66.7], [137.82, 66.82]]]]}, "2014-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.97, 64.97], [130.75, 65.5], [130.97, 66.03], [131.5, 66.25], [131.75, 66.15], [131.82, 66.18], [131.97, 66.53], [132.32, 66.68], [132.47, 67.03], [133.0, 67.25], [133.25, 67.15], [133.5, 67.25], [133.75, 67.15], [133.82, 67.18], [133.97, 67.53], [134.5, 67.75], [134.8, 67.63], [134.97, 68.03], [135.5, 68.25], [135.75, 68.15], [136.0, 68.25], [136.25, 68.15], [136.5, 68.25], [136.75, 68.15], [137.0, 68.25], [137.25, 68.15], [137.5, 68.25], [137.75, 68.15], [137.82, 68.18], [137.97, 68.53], [138.5, 68.75], [138.75, 68.65], [139.0, 68.75], [139.25, 68.65], [139.5, 68.75], [139.75, 68.65], [140.0, 68.75], [140.25, 68.65], [140.5, 68.75], [140.75, 68.65], [141.0, 68.75], [141.25, 68.65], [141.5, 68.75], [141.75, 68.65], [142.0, 68.75], [142.25, 68.65], [142.5, 68.75], [142.75, 68.65], [143.0, 68.75], [143.25, 68.65], [143.5, 68.75], [144.03, 68.53], [144.25, 68.0], [144.15, 67.75], [144.25, 67.5], [144.03, 66.97], [143.5, 66.75], [143.25, 66.85], [143.0, 66.75], [142.75, 66.85], [142.5, 66.75], [142.25, 66.85], [142.0, 66.75], [141.47, 66.97], [141.32, 67.32], [141.25, 67.35], [141.0, 67.25], [140.75, 67.35], [140.63, 67.3], [140.68, 67.18], [141.03, 67.03], [141.25, 66.5], [141.15, 66.25], [141.25, 66.0], [141.03, 65.47], [140.5, 65.25], [140.25, 65.35], [140.0, 65.25], [139.75, 65.35], [139.68, 65.32], [139.53, 64.97], [139.0, 64.75], [138.75, 64.85], [138.5, 64.75], [138.25, 64.85], [138.0, 64.75], [137.5, 64.96], [137.0, 64.75], [136.75, 64.85], [136.5, 64.75], [136.25, 64.85], [136.0, 64.75], [135.75, 64.85], [135.68, 64.82], [135.53, 64.47], [135.0, 64.25], [134.47, 64.47], [134.32, 64.82], [134.25, 64.85], [134.0, 64.75], [133.75, 64.85], [133.5, 64.75], [133.25, 64.85], [133.0, 64.75], [132.75, 64.85], [132.5, 64.75], [132.25, 64.85], [132.0, 64.75], [131.75, 64.85], [131.5, 64.75], [130.97, 64.97]], [[137.82, 66.82], [137.75, 66.85], [137.63, 66.8], [137.68, 66.68], [137.75, 66.65], [137.88, 66.7], [137.82, 66.82]]]]}, "2014-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[130.97, 64.97], [130.75, 65.5], [130.97, 66.03], [131.5, 66.25], [131.75, 66.15], [131.82, 66.18], [131.97, 66.53], [132.32, 66.68], [132.47, 67.03], [133.0, 67.25], [133.25, 67.15], [133.5, 67.25], [133.75, 67.15], [133.82, 67.18], [133.97, 67.53], [134.5, 67.75], [134.8, 67.63], [134.97, 68.03], [135.5, 68.25], [135.75, 68.15], [136.0, 68.25], [136.25, 68.15], [136.5, 68.25], [136.75, 68.15], [137.0, 68.25], [137.25, 68.15], [137.5, 68.25], [137.75, 68.15], [137.82, 68.18], [137.97, 68.53], [138.5, 68.75], [138.75, 68.65], [139.0, 68.75], [139.25, 68.65], [139.5, 68.75], [139.75, 68.65], [140.0, 68.75], [140.25, 68.65], [140.5, 68.75], [140.75, 68.65], [141.0, 68.75], [141.25, 68.65], [141.5, 68.75], [141.75, 68.65], [142.0, 68.75], [142.25, 68.65], [142.5, 68.75], [142.75, 68.65], [143.0, 68.75], [143.25, 68.65], [143.5, 68.75], [144.03, 68.53], [144.25, 68.0], [144.15, 67.75], [144.25, 67.5], [144.03, 66.97], [143.5, 66.75], [143.25, 66.85], [143.0, 66.75], [142.75, 66.85], [142.5, 66.75], [142.25, 66.85], [142.0, 66.75], [141.47, 66.97], [141.32, 67.32], [141.25, 67.35], [141.0, 67.25], [140.75, 67.35], [140.63, 67.3], [140.68, 67.18], [141.03, 67.03], [141.25, 66.5], [141.15, 66.25], [141.25, 66.0], [141.03, 65.47], [140.5, 65.25], [140.25, 65.35], [140.0, 65.25], [139.75, 65.35], [139.68, 65.32], [139.53, 64.97], [139.0, 64.75], [138.75, 64.85], [138.5, 64.75], [138.25, 64.85], [138.0, 64.75], [137.5, 64.96], [137.0, 64.75], [136.75, 64.85], [136.5, 64.75], [136.25, 64.85], [136.0, 64.75], [135.75, 64.85], [135.68, 64.82], [135.53, 64.47], [135.0, 64.25], [134.47, 64.47], [134.32, 64.82], [134.25, 64.85], [134.0, 64.75], [133.75, 64.85], [133.5, 64.75], [133.25, 64.85], [133.0, 64.75], [132.75, 64.85], [132.5, 64.75], [132.25, 64.85], [132.0, 64.75], [131.75, 64.85], [131.5, 64.75], [130.97, 64.97]], [[137.82, 66.82], [137.75, 66.85], [137.63, 66.8], [137.68, 66.68], [137.75, 66.65], [137.88, 66.7], [137.82, 66.82]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 10.91756214933747}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.349447703941956}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [20.26339849004802, 21.64466806485018, 20.145960981820963]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [23.839541572799533, 25.92824420067933, 23.48698242837753]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.834662182560097, 8.319774109006216, 6.893906820259553]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.08533157817726, 10.91756214933747, 9.002846337054223]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.446310659650542, 1.7455662445471003, 1.4250002294254698]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6817745444283652, 2.180887883237722, 1.6518477501032072]}}