{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-05-28 16:19:56.607103", "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-May-12_to_2026-May-17_55.5_39.5"}, "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": 2026050001418}, "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": "May 12 2026"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 17 2026"}, "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": 231254.95445972544}, "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", "Turkmenistan", "Uzbekistan"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["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": 39.5}, "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": 55.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "55.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 53.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 61.75}, "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": 43.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2026-05-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.25, 40.0], [53.47, 40.53], [54.0, 40.75], [54.53, 40.53], [54.68, 40.18], [54.75, 40.15], [55.0, 40.25], [55.25, 40.15], [55.5, 40.25], [56.03, 40.03], [56.25, 39.5], [56.15, 39.25], [56.25, 39.0], [56.03, 38.47], [55.5, 38.25], [55.25, 38.35], [55.0, 38.25], [54.47, 38.47], [54.32, 38.82], [53.97, 38.97], [53.82, 39.32], [53.47, 39.47], [53.25, 40.0]]]]}, "2026-05-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.47, 40.53], [54.0, 40.75], [54.25, 40.65], [54.5, 40.75], [54.75, 40.65], [55.0, 40.75], [55.25, 40.65], [55.32, 40.68], [55.47, 41.03], [56.0, 41.25], [56.25, 41.15], [56.5, 41.25], [57.03, 41.03], [57.18, 40.68], [57.25, 40.65], [57.5, 40.75], [58.03, 40.53], [58.18, 40.18], [58.53, 40.03], [58.68, 39.68], [59.03, 39.53], [59.18, 39.18], [59.53, 39.03], [59.75, 38.5], [59.53, 37.97], [59.0, 37.75], [58.75, 37.85], [58.5, 37.75], [58.0, 37.96], [57.5, 37.75], [56.97, 37.97], [56.82, 38.32], [56.75, 38.35], [56.68, 38.32], [56.53, 37.97], [56.0, 37.75], [55.75, 37.85], [55.5, 37.75], [54.97, 37.97], [54.82, 38.32], [54.47, 38.47], [54.32, 38.82], [53.97, 38.97], [53.82, 39.32], [53.47, 39.47], [53.25, 40.0], [53.47, 40.53]]], [[[53.97, 41.47], [53.75, 42.0], [53.97, 42.53], [54.5, 42.75], [55.03, 42.53], [55.25, 42.0], [55.03, 41.47], [54.5, 41.25], [53.97, 41.47]]]]}, "2026-05-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.25, 40.0], [53.47, 40.53], [54.0, 40.75], [54.25, 40.65], [54.5, 40.75], [54.75, 40.65], [54.88, 40.7], [54.82, 40.82], [54.47, 40.97], [54.32, 41.32], [53.97, 41.47], [53.75, 42.0], [53.85, 42.25], [53.75, 42.5], [53.85, 42.75], [53.75, 43.0], [53.97, 43.53], [54.5, 43.75], [54.75, 43.65], [55.0, 43.75], [55.25, 43.65], [55.32, 43.68], [55.47, 44.03], [56.0, 44.25], [56.53, 44.03], [56.68, 43.68], [57.03, 43.53], [57.18, 43.18], [57.53, 43.03], [57.75, 42.5], [57.63, 42.2], [57.75, 42.15], [58.0, 42.25], [58.53, 42.03], [58.68, 41.68], [58.75, 41.65], [59.0, 41.75], [59.53, 41.53], [59.68, 41.18], [59.75, 41.15], [60.0, 41.25], [60.53, 41.03], [60.68, 40.68], [61.03, 40.53], [61.18, 40.18], [61.53, 40.03], [61.75, 39.5], [61.65, 39.25], [61.75, 39.0], [61.65, 38.75], [61.75, 38.5], [61.65, 38.25], [61.75, 38.0], [61.53, 37.47], [61.0, 37.25], [60.75, 37.35], [60.5, 37.25], [60.25, 37.35], [60.0, 37.25], [59.75, 37.35], [59.5, 37.25], [58.97, 37.47], [58.82, 37.82], [58.75, 37.85], [58.5, 37.75], [58.25, 37.85], [58.0, 37.75], [57.75, 37.85], [57.5, 37.75], [56.97, 37.97], [56.82, 38.32], [56.75, 38.35], [56.68, 38.32], [56.53, 37.97], [56.0, 37.75], [55.75, 37.85], [55.5, 37.75], [54.97, 37.97], [54.82, 38.32], [54.47, 38.47], [54.32, 38.82], [53.97, 38.97], [53.82, 39.32], [53.47, 39.47], [53.25, 40.0]]]]}, "2026-05-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.25, 40.0], [53.47, 40.53], [54.0, 40.75], [54.25, 40.65], [54.5, 40.75], [54.75, 40.65], [54.88, 40.7], [54.82, 40.82], [54.47, 40.97], [54.32, 41.32], [53.97, 41.47], [53.75, 42.0], [53.85, 42.25], [53.75, 42.5], [53.85, 42.75], [53.75, 43.0], [53.97, 43.53], [54.5, 43.75], [54.75, 43.65], [55.0, 43.75], [55.25, 43.65], [55.32, 43.68], [55.47, 44.03], [56.0, 44.25], [56.53, 44.03], [56.68, 43.68], [57.03, 43.53], [57.18, 43.18], [57.53, 43.03], [57.75, 42.5], [57.63, 42.2], [57.75, 42.15], [58.0, 42.25], [58.53, 42.03], [58.68, 41.68], [58.75, 41.65], [59.0, 41.75], [59.53, 41.53], [59.68, 41.18], [59.75, 41.15], [60.0, 41.25], [60.53, 41.03], [60.68, 40.68], [61.03, 40.53], [61.18, 40.18], [61.53, 40.03], [61.68, 39.68], [62.03, 39.53], [62.25, 39.0], [62.15, 38.75], [62.25, 38.5], [62.03, 37.97], [61.68, 37.82], [61.53, 37.47], [61.0, 37.25], [60.75, 37.35], [60.5, 37.25], [60.25, 37.35], [60.0, 37.25], [59.75, 37.35], [59.5, 37.25], [58.97, 37.47], [58.82, 37.82], [58.75, 37.85], [58.5, 37.75], [58.25, 37.85], [58.0, 37.75], [57.75, 37.85], [57.5, 37.75], [56.97, 37.97], [56.82, 38.32], [56.75, 38.35], [56.68, 38.32], [56.53, 37.97], [56.0, 37.75], [55.75, 37.85], [55.5, 37.75], [54.97, 37.97], [54.82, 38.32], [54.47, 38.47], [54.32, 38.82], [53.97, 38.97], [53.82, 39.32], [53.47, 39.47], [53.25, 40.0]]]]}, "2026-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.85, 42.75], [53.75, 43.0], [53.97, 43.53], [54.5, 43.75], [54.75, 43.65], [55.0, 43.75], [55.25, 43.65], [55.32, 43.68], [55.47, 44.03], [56.0, 44.25], [56.53, 44.03], [56.68, 43.68], [57.03, 43.53], [57.18, 43.18], [57.53, 43.03], [57.75, 42.5], [57.63, 42.2], [57.75, 42.15], [58.0, 42.25], [58.53, 42.03], [58.68, 41.68], [58.75, 41.65], [59.0, 41.75], [59.53, 41.53], [59.68, 41.18], [59.75, 41.15], [60.0, 41.25], [60.53, 41.03], [60.68, 40.68], [61.03, 40.53], [61.18, 40.18], [61.53, 40.03], [61.68, 39.68], [62.03, 39.53], [62.25, 39.0], [62.15, 38.75], [62.25, 38.5], [62.03, 37.97], [61.68, 37.82], [61.53, 37.47], [61.0, 37.25], [60.75, 37.35], [60.5, 37.25], [60.25, 37.35], [60.0, 37.25], [59.75, 37.35], [59.5, 37.25], [58.97, 37.47], [58.82, 37.82], [58.75, 37.85], [58.5, 37.75], [58.25, 37.85], [58.0, 37.75], [57.75, 37.85], [57.5, 37.75], [56.97, 37.97], [56.82, 38.32], [56.75, 38.35], [56.68, 38.32], [56.53, 37.97], [56.0, 37.75], [55.75, 37.85], [55.5, 37.75], [54.97, 37.97], [54.82, 38.32], [54.47, 38.47], [54.25, 39.0], [54.35, 39.25], [54.25, 39.5], [54.35, 39.75], [54.25, 40.0], [54.47, 40.53], [54.88, 40.7], [54.82, 40.82], [54.47, 40.97], [54.32, 41.32], [53.97, 41.47], [53.75, 42.0], [53.85, 42.25], [53.75, 42.5], [53.85, 42.75]]]]}, "2026-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[58.75, 40.5], [58.97, 41.03], [59.5, 41.25], [59.75, 41.15], [60.0, 41.25], [60.53, 41.03], [60.68, 40.68], [61.03, 40.53], [61.18, 40.18], [61.53, 40.03], [61.68, 39.68], [62.03, 39.53], [62.25, 39.0], [62.15, 38.75], [62.25, 38.5], [62.03, 37.97], [61.5, 37.75], [60.97, 37.97], [60.82, 38.32], [60.75, 38.35], [60.5, 38.25], [59.97, 38.47], [59.82, 38.82], [59.47, 38.97], [59.25, 39.5], [59.35, 39.75], [59.32, 39.82], [58.97, 39.97], [58.75, 40.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 7.62756134382812}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.987165693127333}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [27.763275824652794, 29.310684458414755, 29.51935221354165, 29.976579933426024, 30.139691349498037, 29.81153686985823]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [28.99383951822921, 31.16569544474288, 32.37929941813155, 33.4265012105306, 33.12286020914718, 30.88552627563479]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.7876784078430035, 5.334245571476707, 5.927335171870587, 6.232065763189671, 6.184434020555494, 5.177474754344458]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.472286903837244, 6.3382570451208835, 7.329212378096145, 7.62756134382812, 7.34049039427299, 5.867246090502306]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.3089752057994135, 1.4427720231207655, 1.5654966775471808, 1.6713613178232078, 1.6583341432102299, 1.4314445585026527]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4799531360229508, 1.7503610084679515, 1.9867504978508659, 2.0942383695585596, 1.8697704498064818, 1.6461945726646532]}}