{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 16:18:58.433498", "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-Mar-08_to_2022-Mar-11_132.5_52.0"}, "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": 2022030001720}, "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": "March 08 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "March 11 2022"}, "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": 58329.17465052526}, "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": ["Russian Federation"]}, "continents_affected": {"name": "Continents affected", "description": "List of all continents affected", "value": ["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": []}, "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": 52.0}, "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": 132.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 131.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 135.5}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 49.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 53.0}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[132.0, 52.75], [132.25, 52.65], [132.32, 52.68], [132.47, 53.03], [132.82, 53.18], [132.97, 53.53], [133.5, 53.75], [134.03, 53.53], [134.25, 53.0], [134.15, 52.75], [134.18, 52.68], [134.53, 52.53], [134.75, 52.0], [134.65, 51.75], [134.75, 51.5], [134.63, 51.2], [135.03, 51.03], [135.18, 50.68], [135.25, 50.65], [135.5, 50.75], [136.03, 50.53], [136.25, 50.0], [136.03, 49.47], [135.68, 49.32], [135.53, 48.97], [135.0, 48.75], [134.75, 48.85], [134.5, 48.75], [134.25, 48.85], [134.0, 48.75], [133.47, 48.97], [133.32, 49.32], [132.97, 49.47], [132.82, 49.82], [132.75, 49.85], [132.5, 49.75], [131.97, 49.97], [131.8, 50.38], [131.5, 50.25], [130.97, 50.47], [130.75, 51.0], [130.97, 51.53], [131.32, 51.68], [131.35, 51.75], [131.25, 52.0], [131.47, 52.53], [132.0, 52.75]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-03-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.25, 52.0], [131.47, 52.53], [132.0, 52.75], [132.25, 52.65], [132.32, 52.68], [132.47, 53.03], [132.82, 53.18], [132.97, 53.53], [133.5, 53.75], [134.03, 53.53], [134.25, 53.0], [134.15, 52.75], [134.25, 52.5], [134.03, 51.97], [133.5, 51.75], [133.25, 51.85], [133.18, 51.82], [133.03, 51.47], [132.68, 51.32], [132.53, 50.97], [132.0, 50.75], [131.47, 50.97], [131.25, 51.5], [131.35, 51.75], [131.25, 52.0]]]]}, "2022-03-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.35, 51.75], [131.25, 52.0], [131.47, 52.53], [132.0, 52.75], [132.25, 52.65], [132.32, 52.68], [132.47, 53.03], [132.82, 53.18], [132.97, 53.53], [133.5, 53.75], [134.03, 53.53], [134.25, 53.0], [134.15, 52.75], [134.18, 52.68], [134.53, 52.53], [134.75, 52.0], [134.65, 51.75], [134.75, 51.5], [134.63, 51.2], [135.03, 51.03], [135.18, 50.68], [135.25, 50.65], [135.5, 50.75], [136.03, 50.53], [136.25, 50.0], [136.03, 49.47], [135.68, 49.32], [135.53, 48.97], [135.0, 48.75], [134.75, 48.85], [134.5, 48.75], [134.25, 48.85], [134.0, 48.75], [133.47, 48.97], [133.32, 49.32], [132.97, 49.47], [132.82, 49.82], [132.75, 49.85], [132.5, 49.75], [131.97, 49.97], [131.8, 50.38], [131.5, 50.25], [130.97, 50.47], [130.75, 51.0], [130.97, 51.53], [131.32, 51.68], [131.35, 51.75]]]]}, "2022-03-10T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.35, 51.75], [131.25, 52.0], [131.47, 52.53], [132.0, 52.75], [132.25, 52.65], [132.32, 52.68], [132.47, 53.03], [132.82, 53.18], [132.97, 53.53], [133.5, 53.75], [134.03, 53.53], [134.25, 53.0], [134.15, 52.75], [134.18, 52.68], [134.53, 52.53], [134.75, 52.0], [134.65, 51.75], [134.75, 51.5], [134.63, 51.2], [135.03, 51.03], [135.18, 50.68], [135.25, 50.65], [135.5, 50.75], [136.03, 50.53], [136.25, 50.0], [136.03, 49.47], [135.68, 49.32], [135.53, 48.97], [135.0, 48.75], [134.75, 48.85], [134.5, 48.75], [134.25, 48.85], [134.0, 48.75], [133.47, 48.97], [133.32, 49.32], [132.97, 49.47], [132.82, 49.82], [132.75, 49.85], [132.5, 49.75], [131.97, 49.97], [131.8, 50.38], [131.5, 50.25], [130.97, 50.47], [130.75, 51.0], [130.97, 51.53], [131.32, 51.68], [131.35, 51.75]]]]}, "2022-03-11T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[131.35, 51.75], [131.25, 52.0], [131.47, 52.53], [132.0, 52.75], [132.25, 52.65], [132.5, 52.75], [132.75, 52.65], [133.0, 52.75], [133.25, 52.65], [133.5, 52.75], [133.75, 52.65], [134.0, 52.75], [134.53, 52.53], [134.75, 52.0], [134.65, 51.75], [134.75, 51.5], [134.63, 51.2], [135.03, 51.03], [135.18, 50.68], [135.25, 50.65], [135.5, 50.75], [136.03, 50.53], [136.25, 50.0], [136.03, 49.47], [135.68, 49.32], [135.53, 48.97], [135.0, 48.75], [134.75, 48.85], [134.5, 48.75], [134.25, 48.85], [134.0, 48.75], [133.47, 48.97], [133.32, 49.32], [132.97, 49.47], [132.82, 49.82], [132.75, 49.85], [132.5, 49.75], [131.97, 49.97], [131.8, 50.38], [131.5, 50.25], [130.97, 50.47], [130.75, 51.0], [130.97, 51.53], [131.32, 51.68], [131.35, 51.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 13.587723653265073}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.464796606946514}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-9.315607764907668, -4.415856555388302, -2.5694761993586894, -5.200539252376643]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-7.893026229685063, -1.5490233972107035, 0.4146872222482898, -0.9547184195203613]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.775308680438836, 9.744945370013685, 11.184606074061653, 7.8402847793012125]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.951594779358004, 11.86851232667567, 13.587723653265073, 9.300609563140597]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4230586035735877, 2.0200116222830884, 2.2795598804712367, 1.6308223971917575]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.4728462718127466, 2.3029505055984787, 2.6769868335820517, 1.9125784692465708]}}