{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:22:32.545542", "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": "2022-Aug-12_to_2022-Aug-18_51.5_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": 2022080002158}, "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": "August 12 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 18 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 7}, "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": 61425.596118607275}, "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"]}, "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": ["Caspian 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": 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": 51.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "51.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 49.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 55.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 43.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 46.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[49.25, 45.15], [49.5, 45.25], [49.75, 45.15], [49.82, 45.18], [49.85, 45.25], [49.75, 45.5], [49.97, 46.03], [50.5, 46.25], [51.03, 46.03], [51.18, 45.68], [51.25, 45.65], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.5, 45.75], [52.75, 45.65], [52.82, 45.68], [52.85, 45.75], [52.75, 46.0], [52.97, 46.53], [53.5, 46.75], [54.03, 46.53], [54.18, 46.18], [54.25, 46.15], [54.5, 46.25], [55.03, 46.03], [55.18, 45.68], [55.25, 45.65], [55.5, 45.75], [56.03, 45.53], [56.25, 45.0], [56.03, 44.47], [55.5, 44.25], [55.25, 44.35], [55.0, 44.25], [54.75, 44.35], [54.5, 44.25], [54.25, 44.35], [54.0, 44.25], [53.75, 44.35], [53.68, 44.32], [53.53, 43.97], [53.18, 43.82], [53.15, 43.75], [53.25, 43.5], [53.03, 42.97], [52.5, 42.75], [52.25, 42.85], [52.0, 42.75], [51.47, 42.97], [51.25, 43.5], [51.35, 43.75], [51.32, 43.82], [51.25, 43.85], [51.0, 43.75], [50.5, 43.96], [50.0, 43.75], [49.75, 43.85], [49.5, 43.75], [49.25, 43.85], [49.0, 43.75], [48.47, 43.97], [48.25, 44.5], [48.47, 45.03], [49.0, 45.25], [49.25, 45.15]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Europe", "W.C.Asia"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-08-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.47, 45.03], [50.0, 45.25], [50.53, 45.03], [50.75, 44.5], [50.53, 43.97], [50.0, 43.75], [49.47, 43.97], [49.25, 44.5], [49.47, 45.03]]]]}, "2022-08-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[48.47, 43.97], [48.25, 44.5], [48.47, 45.03], [49.0, 45.25], [49.25, 45.15], [49.5, 45.25], [49.75, 45.15], [50.0, 45.25], [50.53, 45.03], [50.75, 44.5], [50.53, 43.97], [50.0, 43.75], [49.75, 43.85], [49.5, 43.75], [49.25, 43.85], [49.0, 43.75], [48.47, 43.97]]], [[[51.5, 44.25], [50.97, 44.47], [50.75, 45.0], [50.97, 45.53], [51.5, 45.75], [52.03, 45.53], [52.25, 45.0], [52.03, 44.47], [51.5, 44.25]]]]}, "2022-08-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.0, 43.75], [48.47, 43.97], [48.25, 44.5], [48.47, 45.03], [49.0, 45.25], [49.25, 45.15], [49.5, 45.25], [49.75, 45.15], [50.0, 45.25], [50.5, 45.04], [50.82, 45.18], [50.97, 45.53], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.5, 45.75], [52.75, 45.65], [52.82, 45.68], [52.85, 45.75], [52.75, 46.0], [52.97, 46.53], [53.5, 46.75], [54.03, 46.53], [54.18, 46.18], [54.25, 46.15], [54.5, 46.25], [55.03, 46.03], [55.18, 45.68], [55.25, 45.65], [55.5, 45.75], [56.03, 45.53], [56.25, 45.0], [56.03, 44.47], [55.5, 44.25], [55.25, 44.35], [55.0, 44.25], [54.75, 44.35], [54.5, 44.25], [54.25, 44.35], [54.0, 44.25], [53.75, 44.35], [53.5, 44.25], [53.25, 44.35], [53.0, 44.25], [52.75, 44.35], [52.68, 44.32], [52.53, 43.97], [52.0, 43.75], [51.75, 43.85], [51.5, 43.75], [51.25, 43.85], [51.0, 43.75], [50.5, 43.96], [50.0, 43.75], [49.75, 43.85], [49.5, 43.75], [49.25, 43.85], [49.0, 43.75]]]]}, "2022-08-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.0, 43.75], [48.47, 43.97], [48.25, 44.5], [48.47, 45.03], [49.0, 45.25], [49.25, 45.15], [49.5, 45.25], [49.75, 45.15], [50.0, 45.25], [50.5, 45.04], [50.82, 45.18], [50.97, 45.53], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.5, 45.75], [52.75, 45.65], [52.82, 45.68], [52.85, 45.75], [52.75, 46.0], [52.97, 46.53], [53.5, 46.75], [54.03, 46.53], [54.18, 46.18], [54.25, 46.15], [54.5, 46.25], [55.03, 46.03], [55.18, 45.68], [55.25, 45.65], [55.5, 45.75], [56.03, 45.53], [56.25, 45.0], [56.03, 44.47], [55.5, 44.25], [55.25, 44.35], [55.0, 44.25], [54.75, 44.35], [54.5, 44.25], [54.25, 44.35], [54.0, 44.25], [53.75, 44.35], [53.68, 44.32], [53.53, 43.97], [53.18, 43.82], [53.15, 43.75], [53.25, 43.5], [53.03, 42.97], [52.5, 42.75], [52.25, 42.85], [52.0, 42.75], [51.47, 42.97], [51.25, 43.5], [51.35, 43.75], [51.32, 43.82], [51.25, 43.85], [51.0, 43.75], [50.5, 43.96], [50.0, 43.75], [49.75, 43.85], [49.5, 43.75], [49.25, 43.85], [49.0, 43.75]]]]}, "2022-08-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 45.5], [49.97, 46.03], [50.5, 46.25], [51.03, 46.03], [51.18, 45.68], [51.25, 45.65], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.5, 45.75], [52.75, 45.65], [52.82, 45.68], [52.85, 45.75], [52.75, 46.0], [52.97, 46.53], [53.5, 46.75], [54.03, 46.53], [54.18, 46.18], [54.25, 46.15], [54.5, 46.25], [55.03, 46.03], [55.18, 45.68], [55.25, 45.65], [55.5, 45.75], [56.03, 45.53], [56.25, 45.0], [56.03, 44.47], [55.5, 44.25], [55.25, 44.35], [55.0, 44.25], [54.75, 44.35], [54.5, 44.25], [54.25, 44.35], [54.0, 44.25], [53.75, 44.35], [53.68, 44.32], [53.53, 43.97], [53.18, 43.82], [53.15, 43.75], [53.25, 43.5], [53.03, 42.97], [52.5, 42.75], [52.25, 42.85], [52.0, 42.75], [51.47, 42.97], [51.25, 43.5], [51.35, 43.75], [51.32, 43.82], [51.25, 43.85], [51.0, 43.75], [50.47, 43.97], [50.32, 44.32], [49.97, 44.47], [49.75, 45.0], [49.85, 45.25], [49.75, 45.5]]]]}, "2022-08-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 45.5], [49.97, 46.03], [50.5, 46.25], [51.03, 46.03], [51.18, 45.68], [51.25, 45.65], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.5, 45.75], [52.75, 45.65], [53.0, 45.75], [53.25, 45.65], [53.5, 45.75], [54.03, 45.53], [54.25, 45.0], [54.03, 44.47], [53.68, 44.32], [53.53, 43.97], [53.18, 43.82], [53.15, 43.75], [53.25, 43.5], [53.03, 42.97], [52.5, 42.75], [52.25, 42.85], [52.0, 42.75], [51.47, 42.97], [51.25, 43.5], [51.35, 43.75], [51.32, 43.82], [51.25, 43.85], [51.0, 43.75], [50.47, 43.97], [50.32, 44.32], [49.97, 44.47], [49.75, 45.0], [49.85, 45.25], [49.75, 45.5]]]]}, "2022-08-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[49.75, 45.5], [49.97, 46.03], [50.5, 46.25], [51.03, 46.03], [51.18, 45.68], [51.53, 45.53], [51.75, 45.0], [51.53, 44.47], [51.0, 44.25], [50.75, 44.35], [50.5, 44.25], [49.97, 44.47], [49.75, 45.0], [49.85, 45.25], [49.75, 45.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.994608930885761}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.176651213948663}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.616570439389022, 30.39740860778238, 31.639425770073785, 32.19879353851667, 32.79612242391164, 32.01101249110991, 30.14578340018818]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [29.616570439389022, 32.02733054275819, 32.872323747491976, 33.50285463816135, 34.14165013338203, 33.26777255314545, 30.341100771723006]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.254906363789928, 3.949884786080972, 4.707979187578878, 5.256534002060339, 5.896011716985808, 5.120148631075551, 4.080998111541248]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [3.254906363789928, 4.656998479339336, 5.586740112013899, 6.118056144689604, 6.994608930885761, 6.254019430909352, 4.08896989592381]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3217092139192024, 1.4801648094091222, 1.434415889520621, 1.5747639913004188, 1.7570860360950113, 1.5352833294788715, 1.5125127532412852]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.3217092139192024, 1.6388783349026053, 1.6541043757211793, 1.866213709681905, 2.0014388876300644, 1.9981055904676932, 1.54739922225187]}}