{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:58:39.682389", "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": "2026-Feb-01_to_2026-Feb-05_69.0_44.5"}, "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": 2026020000917}, "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": "February 01 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "February 05 2026"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 5}, "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": 270505.0984645732}, "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": ["Kazakhstan", "Tajikistan", "Turkmenistan", "Uzbekistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["W.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": 44.5}, "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": 69.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "69.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 64.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 73.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 37.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-02-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 40.03], [65.0, 40.25], [65.25, 40.15], [65.32, 40.18], [65.47, 40.53], [66.0, 40.75], [66.25, 40.65], [66.32, 40.68], [66.35, 40.75], [66.25, 41.0], [66.47, 41.53], [66.82, 41.68], [66.85, 41.75], [66.75, 42.0], [66.85, 42.25], [66.75, 42.5], [66.85, 42.75], [66.75, 43.0], [66.85, 43.25], [66.75, 43.5], [66.85, 43.75], [66.82, 43.82], [66.47, 43.97], [66.25, 44.5], [66.47, 45.03], [66.82, 45.18], [66.85, 45.25], [66.75, 45.5], [66.97, 46.03], [67.32, 46.18], [67.47, 46.53], [68.0, 46.75], [68.53, 46.53], [68.68, 46.18], [68.75, 46.15], [69.0, 46.25], [69.25, 46.15], [69.5, 46.25], [69.75, 46.15], [70.0, 46.25], [70.53, 46.03], [70.75, 45.5], [70.65, 45.25], [70.68, 45.18], [71.03, 45.03], [71.25, 44.5], [71.15, 44.25], [71.18, 44.18], [71.53, 44.03], [71.75, 43.5], [71.65, 43.25], [71.75, 43.0], [71.53, 42.47], [71.0, 42.25], [70.75, 42.35], [70.68, 42.32], [70.53, 41.97], [70.18, 41.82], [70.03, 41.47], [69.5, 41.25], [69.25, 41.35], [69.0, 41.25], [68.75, 41.35], [68.68, 41.32], [68.65, 41.25], [68.75, 41.0], [68.54, 40.5], [68.75, 40.0], [68.53, 39.47], [68.18, 39.32], [68.03, 38.97], [67.68, 38.82], [67.53, 38.47], [67.0, 38.25], [66.75, 38.35], [66.68, 38.32], [66.65, 38.25], [66.75, 38.0], [66.53, 37.47], [66.0, 37.25], [65.47, 37.47], [65.32, 37.82], [64.97, 37.97], [64.82, 38.32], [64.47, 38.47], [64.25, 39.0], [64.35, 39.25], [64.25, 39.5], [64.47, 40.03]]]]}, "2026-02-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 40.03], [65.0, 40.25], [65.25, 40.15], [65.32, 40.18], [65.47, 40.53], [65.88, 40.7], [65.75, 41.0], [65.97, 41.53], [66.5, 41.75], [66.75, 41.65], [66.82, 41.68], [66.85, 41.75], [66.75, 42.0], [66.85, 42.25], [66.75, 42.5], [66.85, 42.75], [66.75, 43.0], [66.85, 43.25], [66.75, 43.5], [66.85, 43.75], [66.82, 43.82], [66.47, 43.97], [66.32, 44.32], [65.97, 44.47], [65.75, 45.0], [65.97, 45.53], [66.5, 45.75], [66.75, 45.65], [66.82, 45.68], [66.97, 46.03], [67.32, 46.18], [67.47, 46.53], [68.0, 46.75], [68.53, 46.53], [68.68, 46.18], [68.75, 46.15], [68.82, 46.18], [68.97, 46.53], [69.5, 46.75], [70.03, 46.53], [70.18, 46.18], [70.25, 46.15], [70.5, 46.25], [70.75, 46.15], [71.0, 46.25], [71.53, 46.03], [71.68, 45.68], [71.75, 45.65], [72.0, 45.75], [72.53, 45.53], [72.68, 45.18], [72.75, 45.15], [73.0, 45.25], [73.53, 45.03], [73.75, 44.5], [73.53, 43.97], [73.0, 43.75], [72.75, 43.85], [72.63, 43.8], [72.75, 43.5], [72.53, 42.97], [72.0, 42.75], [71.75, 42.85], [71.68, 42.82], [71.53, 42.47], [71.0, 42.25], [70.75, 42.35], [70.68, 42.32], [70.53, 41.97], [70.18, 41.82], [70.15, 41.75], [70.25, 41.5], [70.03, 40.97], [69.68, 40.82], [69.53, 40.47], [69.13, 40.3], [69.25, 40.0], [69.03, 39.47], [68.5, 39.25], [68.25, 39.35], [68.18, 39.32], [68.03, 38.97], [67.68, 38.82], [67.53, 38.47], [67.0, 38.25], [66.75, 38.35], [66.68, 38.32], [66.65, 38.25], [66.75, 38.0], [66.53, 37.47], [66.0, 37.25], [65.47, 37.47], [65.32, 37.82], [64.97, 37.97], [64.82, 38.32], [64.47, 38.47], [64.25, 39.0], [64.35, 39.25], [64.25, 39.5], [64.47, 40.03]]]]}, "2026-02-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 40.03], [65.0, 40.25], [65.25, 40.15], [65.32, 40.18], [65.47, 40.53], [65.88, 40.7], [65.75, 41.0], [65.97, 41.53], [66.5, 41.75], [66.75, 41.65], [66.82, 41.68], [66.85, 41.75], [66.75, 42.0], [66.85, 42.25], [66.75, 42.5], [66.85, 42.75], [66.75, 43.0], [66.85, 43.25], [66.75, 43.5], [66.85, 43.75], [66.82, 43.82], [66.47, 43.97], [66.32, 44.32], [66.25, 44.35], [66.0, 44.25], [65.75, 44.35], [65.5, 44.25], [65.25, 44.35], [65.0, 44.25], [64.47, 44.47], [64.25, 45.0], [64.35, 45.25], [64.25, 45.5], [64.35, 45.75], [64.25, 46.0], [64.47, 46.53], [65.0, 46.75], [65.25, 46.65], [65.32, 46.68], [65.47, 47.03], [66.0, 47.25], [66.53, 47.03], [66.68, 46.68], [66.75, 46.65], [67.0, 46.75], [67.25, 46.65], [67.5, 46.75], [67.75, 46.65], [68.0, 46.75], [68.53, 46.53], [68.68, 46.18], [68.75, 46.15], [68.82, 46.18], [68.97, 46.53], [69.5, 46.75], [70.03, 46.53], [70.18, 46.18], [70.25, 46.15], [70.5, 46.25], [70.75, 46.15], [71.0, 46.25], [71.53, 46.03], [71.68, 45.68], [71.75, 45.65], [72.0, 45.75], [72.53, 45.53], [72.68, 45.18], [72.75, 45.15], [73.0, 45.25], [73.53, 45.03], [73.75, 44.5], [73.53, 43.97], [73.0, 43.75], [72.75, 43.85], [72.63, 43.8], [72.75, 43.5], [72.53, 42.97], [72.0, 42.75], [71.75, 42.85], [71.68, 42.82], [71.53, 42.47], [71.0, 42.25], [70.75, 42.35], [70.68, 42.32], [70.53, 41.97], [70.18, 41.82], [70.15, 41.75], [70.25, 41.5], [70.03, 40.97], [69.68, 40.82], [69.53, 40.47], [69.18, 40.32], [69.15, 40.25], [69.25, 40.0], [69.03, 39.47], [68.5, 39.25], [68.25, 39.35], [68.18, 39.32], [68.03, 38.97], [67.68, 38.82], [67.53, 38.47], [67.0, 38.25], [66.75, 38.35], [66.68, 38.32], [66.65, 38.25], [66.75, 38.0], [66.53, 37.47], [66.0, 37.25], [65.47, 37.47], [65.32, 37.82], [64.97, 37.97], [64.82, 38.32], [64.47, 38.47], [64.25, 39.0], [64.35, 39.25], [64.25, 39.5], [64.47, 40.03]]]]}, "2026-02-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.47, 40.03], [65.0, 40.25], [65.25, 40.15], [65.32, 40.18], [65.47, 40.53], [65.88, 40.7], [65.75, 41.0], [65.97, 41.53], [66.5, 41.75], [66.75, 41.65], [66.82, 41.68], [66.85, 41.75], [66.75, 42.0], [66.85, 42.25], [66.75, 42.5], [66.85, 42.75], [66.75, 43.0], [66.85, 43.25], [66.75, 43.5], [66.85, 43.75], [66.82, 43.82], [66.47, 43.97], [66.32, 44.32], [66.25, 44.35], [66.0, 44.25], [65.75, 44.35], [65.5, 44.25], [65.25, 44.35], [65.0, 44.25], [64.47, 44.47], [64.25, 45.0], [64.35, 45.25], [64.25, 45.5], [64.35, 45.75], [64.25, 46.0], [64.47, 46.53], [65.0, 46.75], [65.25, 46.65], [65.32, 46.68], [65.47, 47.03], [66.0, 47.25], [66.53, 47.03], [66.68, 46.68], [66.75, 46.65], [67.0, 46.75], [67.25, 46.65], [67.5, 46.75], [67.75, 46.65], [68.0, 46.75], [68.53, 46.53], [68.68, 46.18], [68.75, 46.15], [68.82, 46.18], [68.97, 46.53], [69.5, 46.75], [70.03, 46.53], [70.18, 46.18], [70.25, 46.15], [70.5, 46.25], [70.75, 46.15], [71.0, 46.25], [71.53, 46.03], [71.68, 45.68], [71.75, 45.65], [72.0, 45.75], [72.53, 45.53], [72.68, 45.18], [72.75, 45.15], [73.0, 45.25], [73.53, 45.03], [73.75, 44.5], [73.53, 43.97], [73.0, 43.75], [72.75, 43.85], [72.63, 43.8], [72.75, 43.5], [72.53, 42.97], [72.0, 42.75], [71.75, 42.85], [71.68, 42.82], [71.53, 42.47], [71.0, 42.25], [70.75, 42.35], [70.68, 42.32], [70.53, 41.97], [70.18, 41.82], [70.15, 41.75], [70.25, 41.5], [70.03, 40.97], [69.68, 40.82], [69.53, 40.47], [69.18, 40.32], [69.15, 40.25], [69.25, 40.0], [69.03, 39.47], [68.5, 39.25], [68.25, 39.35], [68.18, 39.32], [68.03, 38.97], [67.68, 38.82], [67.53, 38.47], [67.0, 38.25], [66.75, 38.35], [66.68, 38.32], [66.65, 38.25], [66.75, 38.0], [66.53, 37.47], [66.0, 37.25], [65.47, 37.47], [65.32, 37.82], [64.97, 37.97], [64.82, 38.32], [64.47, 38.47], [64.25, 39.0], [64.35, 39.25], [64.25, 39.5], [64.47, 40.03]]]]}, "2026-02-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[64.35, 45.75], [64.25, 46.0], [64.47, 46.53], [65.0, 46.75], [65.25, 46.65], [65.32, 46.68], [65.47, 47.03], [66.0, 47.25], [66.53, 47.03], [66.68, 46.68], [66.75, 46.65], [67.0, 46.75], [67.25, 46.65], [67.5, 46.75], [67.75, 46.65], [68.0, 46.75], [68.53, 46.53], [68.68, 46.18], [68.75, 46.15], [68.82, 46.18], [68.97, 46.53], [69.5, 46.75], [70.03, 46.53], [70.18, 46.18], [70.25, 46.15], [70.5, 46.25], [70.75, 46.15], [71.0, 46.25], [71.53, 46.03], [71.68, 45.68], [71.75, 45.65], [72.0, 45.75], [72.53, 45.53], [72.7, 45.13], [73.0, 45.25], [73.53, 45.03], [73.75, 44.5], [73.53, 43.97], [73.0, 43.75], [72.57, 43.93], [72.75, 43.5], [72.53, 42.97], [72.0, 42.75], [71.75, 42.85], [71.68, 42.82], [71.53, 42.47], [71.0, 42.25], [70.75, 42.35], [70.68, 42.32], [70.53, 41.97], [70.18, 41.82], [70.15, 41.75], [70.25, 41.5], [70.03, 40.97], [69.68, 40.82], [69.53, 40.47], [69.18, 40.32], [69.15, 40.25], [69.25, 40.0], [69.03, 39.47], [68.5, 39.25], [68.25, 39.35], [68.18, 39.32], [68.03, 38.97], [67.5, 38.75], [66.97, 38.97], [66.75, 39.5], [66.97, 40.03], [67.32, 40.18], [67.35, 40.25], [67.32, 40.32], [67.25, 40.35], [67.0, 40.25], [66.47, 40.47], [66.25, 41.0], [66.47, 41.53], [67.0, 41.75], [67.25, 41.65], [67.38, 41.7], [67.32, 41.82], [66.97, 41.97], [66.75, 42.5], [66.85, 42.75], [66.75, 43.0], [66.85, 43.25], [66.75, 43.5], [66.85, 43.75], [66.82, 43.82], [66.47, 43.97], [66.32, 44.32], [66.25, 44.35], [66.0, 44.25], [65.75, 44.35], [65.5, 44.25], [65.25, 44.35], [65.0, 44.25], [64.47, 44.47], [64.25, 45.0], [64.35, 45.25], [64.25, 45.5], [64.35, 45.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 14.424446141763951}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.287056453270665}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [6.620806138780381, 7.404366282927697, 6.393592834472656, 8.181572723388683, 6.285252719455286]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [14.35584411621096, 13.635598754882835, 13.730999247233115, 17.95583623250326, 11.408570861816429]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [8.08614320692688, 9.148371514587327, 8.706624847717238, 10.425351510935617, 9.678182628744224]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [10.49833556816668, 12.226385209996181, 11.7168864946687, 14.424446141763951, 12.736445508332167]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3470152068302441, 1.4915952787825637, 1.3864160245027293, 1.6605593972188126, 1.490922231211225]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.7344189853620358, 1.80227424108583, 1.7869856885440334, 2.1895531383193396, 1.8628088424189908]}}