{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:53.392309", "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": "2020-Jul-17_to_2020-Jul-22_49.5_46.5"}, "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": 2020070002478}, "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 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 22 2020"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 6}, "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": 200675.54518634436}, "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": ["Azerbaijan", "Kazakhstan", "Russian Federation"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe", "W.C.Asia"]}, "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": 46.5}, "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": 49.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "49.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 45.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 52.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 39.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 47.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-07-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.47, 43.03], [47.82, 43.18], [47.97, 43.53], [48.5, 43.75], [49.03, 43.53], [49.18, 43.18], [49.3, 43.13], [49.47, 43.53], [49.82, 43.68], [49.85, 43.75], [49.75, 44.0], [49.97, 44.53], [50.5, 44.75], [50.75, 44.65], [51.0, 44.75], [51.53, 44.53], [51.75, 44.0], [51.65, 43.75], [51.75, 43.5], [51.65, 43.25], [51.68, 43.18], [52.03, 43.03], [52.25, 42.5], [52.03, 41.97], [51.5, 41.75], [51.25, 41.85], [51.0, 41.75], [50.47, 41.97], [50.32, 42.32], [50.25, 42.35], [50.0, 42.25], [49.7, 42.38], [49.65, 42.25], [49.68, 42.18], [50.03, 42.03], [50.25, 41.5], [50.03, 40.97], [49.5, 40.75], [49.25, 40.85], [49.0, 40.75], [48.47, 40.97], [48.32, 41.32], [47.97, 41.47], [47.82, 41.82], [47.47, 41.97], [47.25, 42.5], [47.47, 43.03]]], [[[46.75, 46.5], [46.97, 47.03], [47.5, 47.25], [47.75, 47.15], [48.0, 47.25], [48.25, 47.15], [48.5, 47.25], [48.75, 47.15], [48.82, 47.18], [48.97, 47.53], [49.5, 47.75], [49.75, 47.65], [50.0, 47.75], [50.53, 47.53], [50.75, 47.0], [50.53, 46.47], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [49.25, 45.85], [49.0, 45.75], [48.75, 45.85], [48.5, 45.75], [48.25, 45.85], [48.0, 45.75], [47.75, 45.85], [47.5, 45.75], [46.97, 45.97], [46.75, 46.5]]]]}, "2020-07-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.47, 46.03], [46.0, 46.25], [46.25, 46.15], [46.32, 46.18], [46.35, 46.25], [46.25, 46.5], [46.47, 47.03], [47.0, 47.25], [47.25, 47.15], [47.5, 47.25], [47.75, 47.15], [48.0, 47.25], [48.25, 47.15], [48.5, 47.25], [48.75, 47.15], [48.82, 47.18], [48.97, 47.53], [49.5, 47.75], [49.75, 47.65], [50.0, 47.75], [50.53, 47.53], [50.75, 47.0], [50.53, 46.47], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [49.25, 45.85], [49.0, 45.75], [48.75, 45.85], [48.5, 45.75], [48.25, 45.85], [48.0, 45.75], [48.53, 45.53], [48.68, 45.18], [49.03, 45.03], [49.18, 44.68], [49.25, 44.65], [49.32, 44.68], [49.47, 45.03], [50.0, 45.25], [50.25, 45.15], [50.5, 45.25], [51.03, 45.03], [51.18, 44.68], [51.53, 44.53], [51.75, 44.0], [51.65, 43.75], [51.75, 43.5], [51.65, 43.25], [51.68, 43.18], [52.03, 43.03], [52.25, 42.5], [52.15, 42.25], [52.18, 42.18], [52.53, 42.03], [52.75, 41.5], [52.65, 41.25], [52.75, 41.0], [52.53, 40.47], [52.18, 40.32], [52.03, 39.97], [51.68, 39.82], [51.53, 39.47], [51.0, 39.25], [50.75, 39.35], [50.5, 39.25], [49.97, 39.47], [49.82, 39.82], [49.47, 39.97], [49.25, 40.5], [49.38, 40.8], [49.25, 40.85], [49.0, 40.75], [48.47, 40.97], [48.32, 41.32], [47.97, 41.47], [47.82, 41.82], [47.75, 41.85], [47.5, 41.75], [46.97, 41.97], [46.82, 42.32], [46.47, 42.47], [46.25, 43.0], [46.47, 43.53], [47.0, 43.75], [47.25, 43.65], [47.38, 43.7], [47.25, 44.0], [47.35, 44.25], [47.32, 44.32], [47.25, 44.35], [47.18, 44.32], [47.03, 43.97], [46.5, 43.75], [45.97, 43.97], [45.82, 44.32], [45.47, 44.47], [45.25, 45.0], [45.35, 45.25], [45.25, 45.5], [45.47, 46.03]], [[47.75, 45.85], [47.68, 45.82], [47.63, 45.7], [47.75, 45.65], [48.0, 45.75], [47.75, 45.85]]]]}, "2020-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.47, 46.03], [46.0, 46.25], [46.25, 46.15], [46.32, 46.18], [46.35, 46.25], [46.25, 46.5], [46.47, 47.03], [47.0, 47.25], [47.25, 47.15], [47.5, 47.25], [47.75, 47.15], [48.0, 47.25], [48.25, 47.15], [48.5, 47.25], [48.75, 47.15], [48.82, 47.18], [48.97, 47.53], [49.5, 47.75], [49.75, 47.65], [50.0, 47.75], [50.53, 47.53], [50.75, 47.0], [50.53, 46.47], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [50.03, 45.53], [50.18, 45.18], [50.25, 45.15], [50.5, 45.25], [51.03, 45.03], [51.18, 44.68], [51.53, 44.53], [51.75, 44.0], [51.65, 43.75], [51.75, 43.5], [51.65, 43.25], [51.68, 43.18], [52.03, 43.03], [52.25, 42.5], [52.15, 42.25], [52.18, 42.18], [52.53, 42.03], [52.75, 41.5], [52.65, 41.25], [52.75, 41.0], [52.53, 40.47], [52.18, 40.32], [52.03, 39.97], [51.68, 39.82], [51.53, 39.47], [51.0, 39.25], [50.75, 39.35], [50.5, 39.25], [49.97, 39.47], [49.82, 39.82], [49.75, 39.85], [49.5, 39.75], [48.97, 39.97], [48.82, 40.32], [48.75, 40.35], [48.5, 40.25], [47.97, 40.47], [47.82, 40.82], [47.75, 40.85], [47.5, 40.75], [46.97, 40.97], [46.82, 41.32], [46.47, 41.47], [46.25, 42.0], [46.35, 42.25], [46.25, 42.5], [46.35, 42.75], [46.25, 43.0], [46.47, 43.53], [47.0, 43.75], [47.25, 43.65], [47.38, 43.7], [47.25, 44.0], [47.35, 44.25], [47.32, 44.32], [47.25, 44.35], [47.18, 44.32], [47.03, 43.97], [46.5, 43.75], [45.97, 43.97], [45.82, 44.32], [45.47, 44.47], [45.25, 45.0], [45.35, 45.25], [45.25, 45.5], [45.47, 46.03]], [[49.25, 45.85], [49.0, 45.75], [49.25, 45.65], [49.5, 45.75], [49.25, 45.85]], [[48.75, 45.85], [48.5, 45.75], [48.75, 45.65], [49.0, 45.75], [48.75, 45.85]], [[48.25, 45.85], [48.0, 45.75], [48.25, 45.65], [48.5, 45.75], [48.25, 45.85]], [[47.75, 45.85], [47.68, 45.82], [47.63, 45.7], [47.75, 45.65], [48.0, 45.75], [47.75, 45.85]]]]}, "2020-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[45.47, 46.03], [46.0, 46.25], [46.25, 46.15], [46.32, 46.18], [46.35, 46.25], [46.25, 46.5], [46.47, 47.03], [47.0, 47.25], [47.25, 47.15], [47.5, 47.25], [47.75, 47.15], [48.0, 47.25], [48.25, 47.15], [48.5, 47.25], [48.75, 47.15], [48.82, 47.18], [48.97, 47.53], [49.5, 47.75], [49.75, 47.65], [50.0, 47.75], [50.53, 47.53], [50.75, 47.0], [50.53, 46.47], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [50.03, 45.53], [50.18, 45.18], [50.25, 45.15], [50.5, 45.25], [51.03, 45.03], [51.25, 44.5], [51.15, 44.25], [51.25, 44.0], [51.15, 43.75], [51.18, 43.68], [51.53, 43.53], [51.68, 43.18], [52.03, 43.03], [52.25, 42.5], [52.15, 42.25], [52.18, 42.18], [52.53, 42.03], [52.75, 41.5], [52.65, 41.25], [52.75, 41.0], [52.53, 40.47], [52.18, 40.32], [52.03, 39.97], [51.68, 39.82], [51.53, 39.47], [51.0, 39.25], [50.75, 39.35], [50.5, 39.25], [49.97, 39.47], [49.82, 39.82], [49.75, 39.85], [49.5, 39.75], [48.97, 39.97], [48.82, 40.32], [48.75, 40.35], [48.5, 40.25], [47.97, 40.47], [47.82, 40.82], [47.75, 40.85], [47.5, 40.75], [46.97, 40.97], [46.82, 41.32], [46.47, 41.47], [46.25, 42.0], [46.35, 42.25], [46.25, 42.5], [46.35, 42.75], [46.25, 43.0], [46.47, 43.53], [47.0, 43.75], [47.25, 43.65], [47.38, 43.7], [47.25, 44.0], [47.35, 44.25], [47.32, 44.32], [47.25, 44.35], [47.18, 44.32], [47.03, 43.97], [46.5, 43.75], [45.97, 43.97], [45.82, 44.32], [45.47, 44.47], [45.25, 45.0], [45.35, 45.25], [45.25, 45.5], [45.47, 46.03]], [[49.25, 45.85], [49.0, 45.75], [49.25, 45.65], [49.5, 45.75], [49.25, 45.85]], [[48.75, 45.85], [48.5, 45.75], [48.75, 45.65], [49.0, 45.75], [48.75, 45.85]], [[48.25, 45.85], [48.0, 45.75], [48.25, 45.65], [48.5, 45.75], [48.25, 45.85]], [[47.75, 45.85], [47.68, 45.82], [47.63, 45.7], [47.75, 45.65], [48.0, 45.75], [47.75, 45.85]]]]}, "2020-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[46.25, 43.0], [46.47, 43.53], [47.0, 43.75], [47.25, 43.65], [47.5, 43.75], [48.03, 43.53], [48.25, 43.0], [48.15, 42.75], [48.18, 42.68], [48.25, 42.65], [48.5, 42.75], [48.93, 42.57], [48.75, 43.0], [48.85, 43.25], [48.82, 43.32], [48.47, 43.47], [48.25, 44.0], [48.35, 44.25], [48.32, 44.32], [47.97, 44.47], [47.75, 45.0], [47.97, 45.53], [48.5, 45.75], [48.75, 45.65], [49.0, 45.75], [49.25, 45.65], [49.5, 45.75], [50.03, 45.53], [50.18, 45.18], [50.53, 45.03], [50.75, 44.5], [50.65, 44.25], [50.75, 44.0], [50.65, 43.75], [50.68, 43.68], [51.03, 43.53], [51.18, 43.18], [51.25, 43.15], [51.5, 43.25], [52.03, 43.03], [52.25, 42.5], [52.15, 42.25], [52.18, 42.18], [52.53, 42.03], [52.75, 41.5], [52.65, 41.25], [52.75, 41.0], [52.53, 40.47], [52.18, 40.32], [52.03, 39.97], [51.68, 39.82], [51.53, 39.47], [51.0, 39.25], [50.75, 39.35], [50.5, 39.25], [49.97, 39.47], [49.82, 39.82], [49.75, 39.85], [49.5, 39.75], [48.97, 39.97], [48.82, 40.32], [48.75, 40.35], [48.5, 40.25], [47.97, 40.47], [47.82, 40.82], [47.75, 40.85], [47.5, 40.75], [46.97, 40.97], [46.82, 41.32], [46.47, 41.47], [46.25, 42.0], [46.35, 42.25], [46.25, 42.5], [46.35, 42.75], [46.25, 43.0]]], [[[47.97, 47.03], [48.5, 47.25], [48.75, 47.15], [48.82, 47.18], [48.97, 47.53], [49.5, 47.75], [49.75, 47.65], [50.0, 47.75], [50.53, 47.53], [50.75, 47.0], [50.53, 46.47], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [49.25, 45.85], [49.0, 45.75], [48.75, 45.85], [48.5, 45.75], [47.97, 45.97], [47.75, 46.5], [47.97, 47.03]]]]}, "2020-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.5, 47.25], [50.03, 47.03], [50.25, 46.5], [50.03, 45.97], [49.5, 45.75], [48.97, 45.97], [48.75, 46.5], [48.97, 47.03], [49.5, 47.25]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.120599718392839}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 3.3719038032291757}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [28.961501019544926, 28.926168519161877, 28.497624111757716, 28.93941495385269, 28.09185833262194, 29.511173436710123]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.32549396037359, 31.547801643529056, 32.263501545021256, 31.96139409309336, 31.45489747883221, 29.511173436710123]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.1733292702854, 3.0859756742526483, 3.360437376176797, 3.7241369229954655, 3.3175582325130963, 2.8582852325691874]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.434617564911946, 4.246896389930441, 4.677406173025872, 7.120599718392839, 4.734610681494416, 2.8582852325691874]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5598916792544741, 1.5436921408121782, 1.7422912747839576, 1.907103331683381, 1.7412778550967198, 1.1855782505920767]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.401724034582086, 2.168913814424513, 2.673143884375608, 3.454265941250802, 2.494048257249181, 1.1855782505920767]}}