{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:56:22.692768", "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": "2025-Jul-19_to_2025-Jul-22_54.0_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": 2025070002424}, "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 19 2025"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "July 22 2025"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 4}, "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": 57411.921397415914}, "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"]}, "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": 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": 54.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "54.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 50.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 54.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 42.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 45.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2025-07-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.0, 45.75], [51.25, 45.65], [51.32, 45.68], [51.47, 46.03], [52.0, 46.25], [52.53, 46.03], [52.75, 45.5], [52.53, 44.97], [52.18, 44.82], [52.04, 44.5], [52.18, 44.18], [52.53, 44.03], [52.68, 43.68], [53.03, 43.53], [53.18, 43.18], [53.53, 43.03], [53.75, 42.5], [53.53, 41.97], [53.0, 41.75], [52.47, 41.97], [52.32, 42.32], [51.97, 42.47], [51.82, 42.82], [51.47, 42.97], [51.32, 43.32], [50.97, 43.47], [50.82, 43.82], [50.47, 43.97], [50.25, 44.5], [50.35, 44.75], [50.25, 45.0], [50.47, 45.53], [51.0, 45.75]]], [[[54.03, 46.03], [54.18, 45.68], [54.53, 45.53], [54.75, 45.0], [54.53, 44.47], [54.0, 44.25], [53.47, 44.47], [53.32, 44.82], [52.97, 44.97], [52.75, 45.5], [52.97, 46.03], [53.5, 46.25], [54.03, 46.03]]]]}, "2025-07-20T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.47, 45.53], [51.0, 45.75], [51.25, 45.65], [51.32, 45.68], [51.47, 46.03], [52.0, 46.25], [52.53, 46.03], [52.68, 45.68], [52.75, 45.65], [52.82, 45.68], [52.97, 46.03], [53.5, 46.25], [54.0, 46.04], [54.5, 46.25], [55.03, 46.03], [55.25, 45.5], [55.15, 45.25], [55.25, 45.0], [55.03, 44.47], [54.68, 44.32], [54.65, 44.25], [54.75, 44.0], [54.53, 43.47], [54.0, 43.25], [53.7, 43.38], [53.54, 43.0], [53.75, 42.5], [53.53, 41.97], [53.0, 41.75], [52.47, 41.97], [52.32, 42.32], [51.97, 42.47], [51.82, 42.82], [51.47, 42.97], [51.32, 43.32], [50.97, 43.47], [50.82, 43.82], [50.47, 43.97], [50.25, 44.5], [50.35, 44.75], [50.25, 45.0], [50.47, 45.53]]]]}, "2025-07-21T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.47, 45.53], [51.0, 45.75], [51.25, 45.65], [51.32, 45.68], [51.47, 46.03], [52.0, 46.25], [52.53, 46.03], [52.68, 45.68], [52.75, 45.65], [52.82, 45.68], [52.97, 46.03], [53.5, 46.25], [54.0, 46.04], [54.5, 46.25], [55.03, 46.03], [55.25, 45.5], [55.15, 45.25], [55.25, 45.0], [55.03, 44.47], [54.68, 44.32], [54.65, 44.25], [54.75, 44.0], [54.53, 43.47], [54.0, 43.25], [53.7, 43.38], [53.54, 43.0], [53.75, 42.5], [53.53, 41.97], [53.0, 41.75], [52.47, 41.97], [52.32, 42.32], [51.97, 42.47], [51.82, 42.82], [51.47, 42.97], [51.32, 43.32], [50.97, 43.47], [50.82, 43.82], [50.47, 43.97], [50.25, 44.5], [50.35, 44.75], [50.25, 45.0], [50.47, 45.53]]]]}, "2025-07-22T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[51.47, 45.03], [51.82, 45.18], [51.97, 45.53], [52.5, 45.75], [52.75, 45.65], [53.0, 45.75], [53.25, 45.65], [53.5, 45.75], [53.75, 45.65], [53.82, 45.68], [53.97, 46.03], [54.5, 46.25], [55.03, 46.03], [55.25, 45.5], [55.15, 45.25], [55.25, 45.0], [55.03, 44.47], [54.68, 44.32], [54.65, 44.25], [54.75, 44.0], [54.53, 43.47], [54.0, 43.25], [53.7, 43.38], [53.53, 42.97], [53.0, 42.75], [52.75, 42.85], [52.5, 42.75], [51.97, 42.97], [51.82, 43.32], [51.47, 43.47], [51.25, 44.0], [51.35, 44.25], [51.25, 44.5], [51.47, 45.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.388991485965164}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.6825798781476395}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [31.91521911621095, 33.644885097405904, 33.13165562947597, 32.496880804323666]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [32.98548278808596, 35.36307169596358, 35.1048408508301, 33.378386433919275]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [3.7847352515337773, 5.400826597065619, 4.733747040328465, 4.033973134475268]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [4.122186269223334, 6.268595361332984, 6.388991485965164, 4.4915770483525534]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.346091599380636, 1.8674303591411803, 1.6657835856623473, 1.3848402853051507]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.52940411298748, 2.213584906742547, 2.1989278356365434, 1.5625595831874983]}}