{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:54:48.455723", "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": "2013-Oct-21_to_2013-Oct-29_85.0_45.0"}, "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": 2013100002528}, "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": "October 21 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 29 2013"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 9}, "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": 100130.79933987383}, "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": ["China", "Kazakhstan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.C.Asia", "W.Siberia"]}, "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": 45.0}, "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": 85.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "85.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 80.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 87.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.25}, "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": {"2013-10-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[84.97, 42.97], [84.75, 43.5], [84.97, 44.03], [85.5, 44.25], [86.03, 44.03], [86.25, 43.5], [86.03, 42.97], [85.5, 42.75], [84.97, 42.97]]], [[[81.53, 45.03], [81.75, 44.5], [81.65, 44.25], [81.75, 44.0], [81.53, 43.47], [81.0, 43.25], [80.47, 43.47], [80.25, 44.0], [80.35, 44.25], [80.25, 44.5], [80.47, 45.03], [81.0, 45.25], [81.53, 45.03]]], [[[80.97, 46.53], [81.5, 46.75], [81.75, 46.65], [82.0, 46.75], [82.25, 46.65], [82.5, 46.75], [83.03, 46.53], [83.25, 46.0], [83.03, 45.47], [82.5, 45.25], [82.25, 45.35], [82.0, 45.25], [81.75, 45.35], [81.5, 45.25], [80.97, 45.47], [80.75, 46.0], [80.97, 46.53]]]]}, "2013-10-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.97, 44.53], [84.5, 44.75], [84.75, 44.65], [85.0, 44.75], [85.25, 44.65], [85.5, 44.75], [86.03, 44.53], [86.25, 44.0], [86.15, 43.75], [86.25, 43.5], [86.03, 42.97], [85.5, 42.75], [85.25, 42.85], [85.0, 42.75], [84.47, 42.97], [84.32, 43.32], [83.97, 43.47], [83.75, 44.0], [83.97, 44.53]]], [[[80.82, 45.18], [80.96, 45.5], [80.75, 46.0], [80.97, 46.53], [81.5, 46.75], [81.75, 46.65], [82.0, 46.75], [82.25, 46.65], [82.5, 46.75], [83.0, 46.54], [83.5, 46.75], [83.75, 46.65], [84.0, 46.75], [84.25, 46.65], [84.32, 46.68], [84.47, 47.03], [85.0, 47.25], [85.25, 47.15], [85.5, 47.25], [85.8, 47.13], [85.97, 47.53], [86.5, 47.75], [87.03, 47.53], [87.25, 47.0], [87.03, 46.47], [86.5, 46.25], [86.2, 46.38], [86.03, 45.97], [85.5, 45.75], [85.25, 45.85], [85.18, 45.82], [85.03, 45.47], [84.68, 45.32], [84.53, 44.97], [84.0, 44.75], [83.75, 44.85], [83.5, 44.75], [83.25, 44.85], [83.0, 44.75], [82.75, 44.85], [82.5, 44.75], [82.25, 44.85], [82.18, 44.82], [82.03, 44.47], [81.68, 44.32], [81.65, 44.25], [81.75, 44.0], [81.53, 43.47], [81.0, 43.25], [80.47, 43.47], [80.25, 44.0], [80.35, 44.25], [80.25, 44.5], [80.47, 45.03], [80.82, 45.18]]]]}, "2013-10-23T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[80.47, 45.03], [80.82, 45.18], [80.96, 45.5], [80.75, 46.0], [80.97, 46.53], [81.5, 46.75], [81.75, 46.65], [82.0, 46.75], [82.25, 46.65], [82.5, 46.75], [83.0, 46.54], [83.5, 46.75], [83.75, 46.65], [84.0, 46.75], [84.25, 46.65], [84.32, 46.68], [84.47, 47.03], [85.0, 47.25], [85.25, 47.15], [85.5, 47.25], [85.75, 47.15], [85.82, 47.18], [85.97, 47.53], [86.5, 47.75], [87.03, 47.53], [87.25, 47.0], [87.15, 46.75], [87.25, 46.5], [87.03, 45.97], [86.5, 45.75], [86.25, 45.85], [86.0, 45.75], [85.75, 45.85], [85.68, 45.82], [85.65, 45.75], [85.75, 45.5], [85.53, 44.97], [85.0, 44.75], [85.25, 44.65], [85.5, 44.75], [86.03, 44.53], [86.25, 44.0], [86.15, 43.75], [86.25, 43.5], [86.03, 42.97], [85.5, 42.75], [85.25, 42.85], [85.0, 42.75], [84.47, 42.97], [84.32, 43.32], [83.97, 43.47], [83.82, 43.82], [83.47, 43.97], [83.25, 44.5], [83.38, 44.8], [83.25, 44.85], [83.0, 44.75], [82.75, 44.85], [82.68, 44.82], [82.53, 44.47], [82.0, 44.25], [81.75, 44.35], [81.68, 44.32], [81.65, 44.25], [81.75, 44.0], [81.53, 43.47], [81.0, 43.25], [80.47, 43.47], [80.25, 44.0], [80.35, 44.25], [80.25, 44.5], [80.47, 45.03]], [[84.75, 44.85], [84.63, 44.8], [84.68, 44.68], [84.75, 44.65], [85.0, 44.75], [84.75, 44.85]]]]}, "2013-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[82.0, 46.25], [82.25, 46.15], [82.5, 46.25], [82.75, 46.15], [82.82, 46.18], [82.97, 46.53], [83.5, 46.75], [83.75, 46.65], [84.0, 46.75], [84.25, 46.65], [84.32, 46.68], [84.47, 47.03], [85.0, 47.25], [85.25, 47.15], [85.5, 47.25], [85.75, 47.15], [85.82, 47.18], [85.97, 47.53], [86.5, 47.75], [87.03, 47.53], [87.25, 47.0], [87.15, 46.75], [87.18, 46.68], [87.53, 46.53], [87.75, 46.0], [87.65, 45.75], [87.75, 45.5], [87.53, 44.97], [87.18, 44.82], [87.03, 44.47], [86.68, 44.32], [86.53, 43.97], [86.18, 43.82], [86.15, 43.75], [86.25, 43.5], [86.03, 42.97], [85.5, 42.75], [85.25, 42.85], [85.0, 42.75], [84.47, 42.97], [84.32, 43.32], [83.97, 43.47], [83.82, 43.82], [83.47, 43.97], [83.25, 44.5], [83.35, 44.75], [83.32, 44.82], [83.25, 44.85], [83.0, 44.75], [82.75, 44.85], [82.68, 44.82], [82.53, 44.47], [82.0, 44.25], [81.75, 44.35], [81.5, 44.25], [80.97, 44.47], [80.75, 45.0], [80.97, 45.53], [81.32, 45.68], [81.47, 46.03], [82.0, 46.25]]]]}, "2013-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[81.47, 44.47], [81.25, 45.0], [81.47, 45.53], [82.0, 45.75], [82.53, 45.53], [82.75, 45.0], [82.53, 44.47], [82.0, 44.25], [81.47, 44.47]]], [[[83.25, 45.5], [83.47, 46.03], [84.0, 46.25], [84.25, 46.15], [84.32, 46.18], [84.47, 46.53], [84.82, 46.68], [84.97, 47.03], [85.5, 47.25], [85.75, 47.15], [86.0, 47.25], [86.25, 47.15], [86.5, 47.25], [87.03, 47.03], [87.18, 46.68], [87.53, 46.53], [87.75, 46.0], [87.65, 45.75], [87.75, 45.5], [87.53, 44.97], [87.18, 44.82], [87.15, 44.75], [87.18, 44.68], [87.53, 44.53], [87.75, 44.0], [87.53, 43.47], [87.0, 43.25], [86.47, 43.47], [86.32, 43.82], [86.25, 43.85], [86.0, 43.75], [85.75, 43.85], [85.5, 43.75], [85.25, 43.85], [85.0, 43.75], [84.75, 43.85], [84.5, 43.75], [84.25, 43.85], [84.0, 43.75], [83.47, 43.97], [83.25, 44.5], [83.35, 44.75], [83.25, 45.0], [83.35, 45.25], [83.25, 45.5]]]]}, "2013-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.25, 45.0], [83.47, 45.53], [84.0, 45.75], [84.25, 45.65], [84.5, 45.75], [84.75, 45.65], [85.0, 45.75], [85.25, 45.65], [85.32, 45.68], [85.47, 46.03], [85.82, 46.18], [85.97, 46.53], [86.5, 46.75], [86.75, 46.65], [87.0, 46.75], [87.53, 46.53], [87.75, 46.0], [87.65, 45.75], [87.75, 45.5], [87.53, 44.97], [87.18, 44.82], [87.15, 44.75], [87.18, 44.68], [87.53, 44.53], [87.75, 44.0], [87.53, 43.47], [87.0, 43.25], [86.47, 43.47], [86.32, 43.82], [86.25, 43.85], [86.0, 43.75], [85.75, 43.85], [85.5, 43.75], [85.25, 43.85], [85.0, 43.75], [84.75, 43.85], [84.5, 43.75], [83.97, 43.97], [83.82, 44.32], [83.47, 44.47], [83.25, 45.0]]]]}, "2013-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.47, 44.47], [83.25, 45.0], [83.47, 45.53], [84.0, 45.75], [84.25, 45.65], [84.5, 45.75], [84.75, 45.65], [85.0, 45.75], [85.5, 45.54], [86.0, 45.75], [86.25, 45.65], [86.5, 45.75], [87.03, 45.53], [87.25, 45.0], [87.15, 44.75], [87.18, 44.68], [87.53, 44.53], [87.75, 44.0], [87.53, 43.47], [87.0, 43.25], [86.47, 43.47], [86.32, 43.82], [86.25, 43.85], [86.0, 43.75], [85.75, 43.85], [85.5, 43.75], [84.97, 43.97], [84.82, 44.32], [84.75, 44.35], [84.5, 44.25], [84.25, 44.35], [84.0, 44.25], [83.47, 44.47]]]]}, "2013-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[83.47, 44.47], [83.25, 45.0], [83.47, 45.53], [84.0, 45.75], [84.25, 45.65], [84.5, 45.75], [84.75, 45.65], [85.0, 45.75], [85.53, 45.53], [85.7, 45.13], [86.0, 45.25], [86.25, 45.15], [86.5, 45.25], [87.03, 45.03], [87.25, 44.5], [87.03, 43.97], [86.5, 43.75], [86.25, 43.85], [86.0, 43.75], [85.47, 43.97], [85.3, 44.38], [85.0, 44.25], [84.75, 44.35], [84.5, 44.25], [84.25, 44.35], [84.0, 44.25], [83.47, 44.47]]]]}, "2013-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[85.0, 45.75], [85.53, 45.53], [85.75, 45.0], [85.53, 44.47], [85.0, 44.25], [84.47, 44.47], [84.25, 45.0], [84.47, 45.53], [85.0, 45.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.292681260770678}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.662633641090407}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [9.55850403797183, 7.831910883023227, 8.367228786952978, 9.922870561926572, 12.362844400339554, 11.81668699791993, 11.50406954781954, 11.437792067529983, 10.77120908730268]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [15.510110656568543, 14.481831551817663, 14.212884963223189, 14.139095591987939, 14.24507878156129, 12.350415592153752, 11.959317679555113, 11.942294841982516, 10.77120908730268]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.468655555720924, 5.6739504109547605, 5.511837705537779, 5.990933335964928, 6.12864001244207, 5.194449515929066, 4.911867555011453, 4.8857737588522925, 4.631085905712268]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.613596634966484, 7.241478783411594, 6.500174792818598, 7.292681260770678, 7.159368846415191, 5.669629821562978, 5.198167929757858, 5.565970608859175, 4.631085905712268]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4231920659077772, 1.4275364133915083, 1.4018391077487016, 1.5660478625274679, 1.623914974474637, 1.4079827596764556, 1.3874780061408414, 1.4628676231990527, 1.4567000739074227]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5832244231474857, 1.6825422521738032, 1.7540098820380199, 1.8839575595084277, 1.9912827095476893, 1.4935032344553185, 1.4996628340208198, 1.6341849894176257, 1.4567000739074227]}}