{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:53:59.967367", "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": "2023-Jun-11_to_2023-Jun-17_54.5_48.0"}, "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": 2023060001920}, "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": "June 11 2023"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 17 2023"}, "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": 264792.7722023947}, "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", "Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["Asia", "Europe"]}, "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": 48.0}, "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": 54.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "54.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 47.0}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 56.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 44.0}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 50.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.38, 45.7], [52.25, 46.0], [52.38, 46.3], [51.97, 46.47], [51.82, 46.82], [51.75, 46.85], [51.5, 46.75], [51.25, 46.85], [51.18, 46.82], [51.03, 46.47], [50.5, 46.25], [50.25, 46.35], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [49.25, 45.85], [49.0, 45.75], [48.47, 45.97], [48.32, 46.32], [48.25, 46.35], [48.0, 46.25], [47.47, 46.47], [47.25, 47.0], [47.35, 47.25], [47.32, 47.32], [47.25, 47.35], [47.0, 47.25], [46.47, 47.47], [46.25, 48.0], [46.47, 48.53], [47.0, 48.75], [47.25, 48.65], [47.5, 48.75], [47.75, 48.65], [48.0, 48.75], [48.25, 48.65], [48.5, 48.75], [48.75, 48.65], [49.0, 48.75], [49.25, 48.65], [49.32, 48.68], [49.35, 48.75], [49.25, 49.0], [49.47, 49.53], [49.82, 49.68], [49.97, 50.03], [50.32, 50.18], [50.35, 50.25], [50.25, 50.5], [50.47, 51.03], [51.0, 51.25], [51.25, 51.15], [51.5, 51.25], [51.75, 51.15], [52.0, 51.25], [52.25, 51.15], [52.5, 51.25], [53.03, 51.03], [53.18, 50.68], [53.25, 50.65], [53.5, 50.75], [54.03, 50.53], [54.25, 50.0], [54.15, 49.75], [54.18, 49.68], [54.25, 49.65], [54.5, 49.75], [54.75, 49.65], [55.0, 49.75], [55.5, 49.54], [56.0, 49.75], [56.25, 49.65], [56.5, 49.75], [57.03, 49.53], [57.25, 49.0], [57.15, 48.75], [57.25, 48.5], [57.04, 48.0], [57.25, 47.5], [57.15, 47.25], [57.25, 47.0], [57.15, 46.75], [57.25, 46.5], [57.03, 45.97], [56.5, 45.75], [56.25, 45.85], [56.0, 45.75], [55.75, 45.85], [55.68, 45.82], [55.53, 45.47], [55.18, 45.32], [55.15, 45.25], [55.25, 45.0], [55.03, 44.47], [54.68, 44.32], [54.53, 43.97], [54.18, 43.82], [54.03, 43.47], [53.5, 43.25], [53.25, 43.35], [53.0, 43.25], [52.75, 43.35], [52.5, 43.25], [52.25, 43.35], [52.0, 43.25], [51.47, 43.47], [51.32, 43.82], [50.97, 43.97], [50.75, 44.5], [50.85, 44.75], [50.75, 45.0], [50.97, 45.53], [51.5, 45.75], [51.75, 45.65]]]]}}, "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": {"2023-06-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, 44.47], [50.75, 45.0], [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], [53.0, 45.75], [53.53, 45.53], [53.75, 45.0], [53.53, 44.47], [53.0, 44.25], [52.75, 44.35], [52.5, 44.25], [52.25, 44.35], [52.0, 44.25], [51.75, 44.35], [51.5, 44.25], [50.97, 44.47]]], [[[50.97, 48.53], [51.5, 48.75], [51.8, 48.63], [51.85, 48.75], [51.75, 49.0], [51.85, 49.25], [51.75, 49.5], [51.97, 50.03], [52.5, 50.25], [53.03, 50.03], [53.18, 49.68], [53.25, 49.65], [53.5, 49.75], [53.75, 49.65], [54.0, 49.75], [54.25, 49.65], [54.5, 49.75], [54.75, 49.65], [55.0, 49.75], [55.5, 49.54], [56.0, 49.75], [56.25, 49.65], [56.5, 49.75], [57.03, 49.53], [57.25, 49.0], [57.15, 48.75], [57.25, 48.5], [57.03, 47.97], [56.68, 47.82], [56.65, 47.75], [56.75, 47.5], [56.53, 46.97], [56.0, 46.75], [55.75, 46.85], [55.5, 46.75], [55.25, 46.85], [55.0, 46.75], [54.75, 46.85], [54.5, 46.75], [54.25, 46.85], [54.13, 46.8], [54.25, 46.5], [54.03, 45.97], [53.5, 45.75], [52.97, 45.97], [52.82, 46.32], [52.75, 46.35], [52.5, 46.25], [51.97, 46.47], [51.8, 46.88], [51.5, 46.75], [50.97, 46.97], [50.75, 47.5], [50.85, 47.75], [50.75, 48.0], [50.97, 48.53]], [[52.35, 47.75], [52.32, 47.82], [52.2, 47.88], [52.15, 47.75], [52.2, 47.63], [52.32, 47.68], [52.35, 47.75]]]]}, "2023-06-12T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 47.25], [46.47, 47.47], [46.25, 48.0], [46.47, 48.53], [47.0, 48.75], [47.25, 48.65], [47.5, 48.75], [47.75, 48.65], [48.0, 48.75], [48.25, 48.65], [48.5, 48.75], [48.75, 48.65], [49.0, 48.75], [49.25, 48.65], [49.5, 48.75], [49.75, 48.65], [50.0, 48.75], [50.5, 48.54], [50.82, 48.68], [50.97, 49.03], [51.32, 49.18], [51.47, 49.53], [51.82, 49.68], [51.97, 50.03], [52.5, 50.25], [52.75, 50.15], [53.0, 50.25], [53.25, 50.15], [53.5, 50.25], [54.03, 50.03], [54.18, 49.68], [54.25, 49.65], [54.5, 49.75], [54.75, 49.65], [55.0, 49.75], [55.5, 49.54], [56.0, 49.75], [56.25, 49.65], [56.5, 49.75], [57.03, 49.53], [57.25, 49.0], [57.15, 48.75], [57.25, 48.5], [57.04, 48.0], [57.25, 47.5], [57.15, 47.25], [57.25, 47.0], [57.15, 46.75], [57.25, 46.5], [57.03, 45.97], [56.5, 45.75], [56.25, 45.85], [56.0, 45.75], [55.75, 45.85], [55.68, 45.82], [55.53, 45.47], [55.18, 45.32], [55.15, 45.25], [55.25, 45.0], [55.03, 44.47], [54.68, 44.32], [54.53, 43.97], [54.18, 43.82], [54.03, 43.47], [53.5, 43.25], [53.25, 43.35], [53.0, 43.25], [52.75, 43.35], [52.5, 43.25], [52.25, 43.35], [52.0, 43.25], [51.47, 43.47], [51.32, 43.82], [50.97, 43.97], [50.75, 44.5], [50.85, 44.75], [50.75, 45.0], [50.97, 45.53], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.38, 45.7], [52.25, 46.0], [52.38, 46.3], [51.97, 46.47], [51.82, 46.82], [51.75, 46.85], [51.5, 46.75], [51.25, 46.85], [51.18, 46.82], [51.03, 46.47], [50.5, 46.25], [50.25, 46.35], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [49.25, 45.85], [49.0, 45.75], [48.47, 45.97], [48.32, 46.32], [48.25, 46.35], [48.0, 46.25], [47.47, 46.47], [47.25, 47.0], [47.35, 47.25], [47.32, 47.32], [47.25, 47.35], [47.0, 47.25]]]]}, "2023-06-13T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 47.25], [46.47, 47.47], [46.25, 48.0], [46.47, 48.53], [47.0, 48.75], [47.25, 48.65], [47.5, 48.75], [47.75, 48.65], [48.0, 48.75], [48.25, 48.65], [48.5, 48.75], [48.75, 48.65], [49.0, 48.75], [49.25, 48.65], [49.32, 48.68], [49.35, 48.75], [49.25, 49.0], [49.47, 49.53], [49.82, 49.68], [49.97, 50.03], [50.5, 50.25], [50.75, 50.15], [51.0, 50.25], [51.25, 50.15], [51.32, 50.18], [51.47, 50.53], [52.0, 50.75], [52.25, 50.65], [52.5, 50.75], [52.75, 50.65], [53.0, 50.75], [53.25, 50.65], [53.5, 50.75], [54.03, 50.53], [54.25, 50.0], [54.15, 49.75], [54.18, 49.68], [54.25, 49.65], [54.5, 49.75], [54.75, 49.65], [55.0, 49.75], [55.5, 49.54], [56.0, 49.75], [56.25, 49.65], [56.5, 49.75], [57.03, 49.53], [57.25, 49.0], [57.15, 48.75], [57.25, 48.5], [57.04, 48.0], [57.25, 47.5], [57.15, 47.25], [57.25, 47.0], [57.15, 46.75], [57.25, 46.5], [57.03, 45.97], [56.5, 45.75], [56.25, 45.85], [56.0, 45.75], [55.75, 45.85], [55.68, 45.82], [55.53, 45.47], [55.18, 45.32], [55.15, 45.25], [55.25, 45.0], [55.03, 44.47], [54.68, 44.32], [54.53, 43.97], [54.18, 43.82], [54.03, 43.47], [53.5, 43.25], [53.25, 43.35], [53.0, 43.25], [52.75, 43.35], [52.5, 43.25], [52.25, 43.35], [52.0, 43.25], [51.47, 43.47], [51.32, 43.82], [50.97, 43.97], [50.75, 44.5], [50.85, 44.75], [50.75, 45.0], [50.97, 45.53], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.38, 45.7], [52.25, 46.0], [52.38, 46.3], [51.97, 46.47], [51.82, 46.82], [51.75, 46.85], [51.5, 46.75], [51.25, 46.85], [51.18, 46.82], [51.03, 46.47], [50.5, 46.25], [50.25, 46.35], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [49.25, 45.85], [49.0, 45.75], [48.47, 45.97], [48.32, 46.32], [48.25, 46.35], [48.0, 46.25], [47.47, 46.47], [47.25, 47.0], [47.35, 47.25], [47.32, 47.32], [47.25, 47.35], [47.0, 47.25]]]]}, "2023-06-14T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[47.0, 47.25], [46.47, 47.47], [46.25, 48.0], [46.47, 48.53], [47.0, 48.75], [47.25, 48.65], [47.5, 48.75], [47.75, 48.65], [48.0, 48.75], [48.25, 48.65], [48.5, 48.75], [48.75, 48.65], [49.0, 48.75], [49.25, 48.65], [49.32, 48.68], [49.35, 48.75], [49.25, 49.0], [49.47, 49.53], [49.82, 49.68], [49.97, 50.03], [50.32, 50.18], [50.35, 50.25], [50.25, 50.5], [50.47, 51.03], [51.0, 51.25], [51.25, 51.15], [51.5, 51.25], [51.75, 51.15], [52.0, 51.25], [52.25, 51.15], [52.5, 51.25], [53.03, 51.03], [53.18, 50.68], [53.25, 50.65], [53.5, 50.75], [54.03, 50.53], [54.25, 50.0], [54.15, 49.75], [54.18, 49.68], [54.25, 49.65], [54.5, 49.75], [55.03, 49.53], [55.18, 49.18], [55.53, 49.03], [55.68, 48.68], [56.03, 48.53], [56.18, 48.18], [56.25, 48.15], [56.5, 48.25], [57.03, 48.03], [57.25, 47.5], [57.15, 47.25], [57.25, 47.0], [57.15, 46.75], [57.25, 46.5], [57.03, 45.97], [56.5, 45.75], [56.25, 45.85], [56.0, 45.75], [55.75, 45.85], [55.68, 45.82], [55.53, 45.47], [55.18, 45.32], [55.15, 45.25], [55.25, 45.0], [55.03, 44.47], [54.68, 44.32], [54.53, 43.97], [54.18, 43.82], [54.03, 43.47], [53.5, 43.25], [53.25, 43.35], [53.0, 43.25], [52.75, 43.35], [52.5, 43.25], [52.25, 43.35], [52.0, 43.25], [51.47, 43.47], [51.32, 43.82], [50.97, 43.97], [50.75, 44.5], [50.85, 44.75], [50.75, 45.0], [50.97, 45.53], [51.5, 45.75], [51.75, 45.65], [52.0, 45.75], [52.25, 45.65], [52.38, 45.7], [52.25, 46.0], [52.38, 46.3], [51.97, 46.47], [51.82, 46.82], [51.75, 46.85], [51.5, 46.75], [51.25, 46.85], [51.18, 46.82], [51.03, 46.47], [50.5, 46.25], [50.25, 46.35], [50.18, 46.32], [50.03, 45.97], [49.5, 45.75], [49.25, 45.85], [49.0, 45.75], [48.47, 45.97], [48.32, 46.32], [48.25, 46.35], [48.0, 46.25], [47.47, 46.47], [47.25, 47.0], [47.35, 47.25], [47.32, 47.32], [47.25, 47.35], [47.0, 47.25]]]]}, "2023-06-15T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.97, 44.47], [50.75, 45.0], [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], [53.0, 45.75], [53.53, 45.53], [53.75, 45.0], [53.65, 44.75], [53.75, 44.5], [53.53, 43.97], [53.0, 43.75], [52.75, 43.85], [52.5, 43.75], [51.97, 43.97], [51.82, 44.32], [51.75, 44.35], [51.5, 44.25], [50.97, 44.47]]], [[[49.47, 49.53], [49.82, 49.68], [49.97, 50.03], [50.32, 50.18], [50.35, 50.25], [50.25, 50.5], [50.47, 51.03], [51.0, 51.25], [51.25, 51.15], [51.5, 51.25], [51.75, 51.15], [52.0, 51.25], [52.25, 51.15], [52.5, 51.25], [53.03, 51.03], [53.18, 50.68], [53.25, 50.65], [53.5, 50.75], [54.03, 50.53], [54.25, 50.0], [54.15, 49.75], [54.18, 49.68], [54.53, 49.53], [54.68, 49.18], [55.03, 49.03], [55.25, 48.5], [55.15, 48.25], [55.25, 48.0], [55.03, 47.47], [54.68, 47.32], [54.53, 46.97], [54.0, 46.75], [53.75, 46.85], [53.5, 46.75], [53.25, 46.85], [53.18, 46.82], [53.03, 46.47], [52.5, 46.25], [51.97, 46.47], [51.82, 46.82], [51.75, 46.85], [51.5, 46.75], [50.97, 46.97], [50.82, 47.32], [50.47, 47.47], [50.32, 47.82], [50.25, 47.85], [50.0, 47.75], [49.47, 47.97], [49.25, 48.5], [49.35, 48.75], [49.25, 49.0], [49.47, 49.53]]]]}, "2023-06-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[50.25, 50.5], [50.47, 51.03], [51.0, 51.25], [51.25, 51.15], [51.5, 51.25], [51.75, 51.15], [52.0, 51.25], [52.25, 51.15], [52.5, 51.25], [53.03, 51.03], [53.18, 50.68], [53.25, 50.65], [53.5, 50.75], [54.03, 50.53], [54.25, 50.0], [54.15, 49.75], [54.18, 49.68], [54.53, 49.53], [54.68, 49.18], [55.03, 49.03], [55.25, 48.5], [55.15, 48.25], [55.25, 48.0], [55.03, 47.47], [54.5, 47.25], [53.97, 47.47], [53.82, 47.82], [53.5, 47.96], [53.0, 47.75], [52.47, 47.97], [52.32, 48.32], [52.25, 48.35], [52.0, 48.25], [51.47, 48.47], [51.32, 48.82], [50.97, 48.97], [50.82, 49.32], [50.47, 49.47], [50.25, 50.0], [50.35, 50.25], [50.25, 50.5]]]]}, "2023-06-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[53.75, 48.5], [53.97, 49.03], [54.5, 49.25], [55.03, 49.03], [55.25, 48.5], [55.15, 48.25], [55.25, 48.0], [55.03, 47.47], [54.5, 47.25], [53.97, 47.47], [53.75, 48.0], [53.85, 48.25], [53.75, 48.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 8.457783868004753}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.3588016011121375}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [29.12644981338849, 30.070897189131244, 30.766951540136347, 31.166842881989965, 30.74766880926103, 29.978105084434617, 30.909016014148506]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [30.408592096390237, 31.946794142883277, 32.391597186172135, 33.16241971032332, 31.67660047707426, 30.6209105413069, 31.266883261748433]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.954110769859978, 6.089045865542357, 6.608820910598017, 6.622428239717647, 6.208719608851057, 6.041729650082115, 5.7733793275247365]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.766249758130698, 7.188548230027266, 8.133638764636487, 8.457783868004753, 7.50427837868591, 7.126706253382281, 5.95531390876954]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4349905603715705, 1.5020209410646028, 1.6326799892408013, 1.6884305146857514, 1.5839182882256413, 1.515713668413151, 1.5282503420314693]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5889652699024581, 1.7920403444683213, 1.9133438956356663, 2.1641055257208066, 1.81073636623835, 1.7268258044905456, 1.578793009834847]}}