{"version_information": {"version": "det_AHW_v1.1", "compiled_date": "2026-04-05 17:01:26.111011", "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": "2024-Oct-02_to_2024-Oct-05_136.5_61.5"}, "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": 2024100000952}, "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": "October 02 2024"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "October 05 2024"}, "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": 109964.51720602674}, "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": 61.5}, "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": 136.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "136.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 128.5}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 137.0}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 59.5}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 62.5}, "polygons_merged": {"name": "Merged polygon", "description": "Merger or polygons at each time step", "value": {"type": "MultiPolygon", "coordinates": [[[[127.75, 61.5], [127.97, 62.03], [128.5, 62.25], [128.75, 62.15], [128.82, 62.18], [128.97, 62.53], [129.5, 62.75], [129.75, 62.65], [130.0, 62.75], [130.25, 62.65], [130.5, 62.75], [130.75, 62.65], [131.0, 62.75], [131.25, 62.65], [131.32, 62.68], [131.47, 63.03], [132.0, 63.25], [132.53, 63.03], [132.68, 62.68], [132.75, 62.65], [132.82, 62.68], [132.97, 63.03], [133.5, 63.25], [133.75, 63.15], [134.0, 63.25], [134.25, 63.15], [134.5, 63.25], [134.75, 63.15], [135.0, 63.25], [135.53, 63.03], [135.68, 62.68], [135.75, 62.65], [135.82, 62.68], [135.97, 63.03], [136.5, 63.25], [137.03, 63.03], [137.18, 62.68], [137.53, 62.53], [137.75, 62.0], [137.65, 61.75], [137.75, 61.5], [137.53, 60.97], [137.0, 60.75], [136.75, 60.85], [136.5, 60.75], [136.25, 60.85], [136.18, 60.82], [136.15, 60.75], [136.25, 60.5], [136.03, 59.97], [135.5, 59.75], [135.0, 59.96], [134.5, 59.75], [134.25, 59.85], [134.0, 59.75], [133.75, 59.85], [133.5, 59.75], [133.25, 59.85], [133.0, 59.75], [132.75, 59.85], [132.68, 59.82], [132.53, 59.47], [132.0, 59.25], [131.47, 59.47], [131.32, 59.82], [131.25, 59.85], [131.0, 59.75], [130.75, 59.85], [130.68, 59.82], [130.65, 59.75], [130.75, 59.5], [130.53, 58.97], [130.0, 58.75], [129.75, 58.85], [129.5, 58.75], [128.97, 58.97], [128.82, 59.32], [128.75, 59.35], [128.5, 59.25], [127.97, 59.47], [127.75, 60.0], [127.97, 60.53], [128.32, 60.68], [128.35, 60.75], [128.32, 60.82], [127.97, 60.97], [127.75, 61.5]]]]}}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["E.Siberia", "Russian-Far-East"]}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2024-10-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.35, 60.75], [128.32, 60.82], [127.97, 60.97], [127.75, 61.5], [127.97, 62.03], [128.5, 62.25], [128.75, 62.15], [128.82, 62.18], [128.97, 62.53], [129.5, 62.75], [129.75, 62.65], [130.0, 62.75], [130.25, 62.65], [130.5, 62.75], [130.75, 62.65], [131.0, 62.75], [131.25, 62.65], [131.32, 62.68], [131.47, 63.03], [132.0, 63.25], [132.53, 63.03], [132.68, 62.68], [132.75, 62.65], [132.82, 62.68], [132.97, 63.03], [133.5, 63.25], [134.03, 63.03], [134.18, 62.68], [134.25, 62.65], [134.5, 62.75], [134.75, 62.65], [135.0, 62.75], [135.25, 62.65], [135.5, 62.75], [135.75, 62.65], [135.82, 62.68], [135.97, 63.03], [136.5, 63.25], [137.03, 63.03], [137.18, 62.68], [137.53, 62.53], [137.75, 62.0], [137.65, 61.75], [137.75, 61.5], [137.53, 60.97], [137.0, 60.75], [136.75, 60.85], [136.5, 60.75], [136.25, 60.85], [136.18, 60.82], [136.15, 60.75], [136.25, 60.5], [136.03, 59.97], [135.5, 59.75], [135.0, 59.96], [134.5, 59.75], [134.25, 59.85], [134.0, 59.75], [133.75, 59.85], [133.5, 59.75], [133.25, 59.85], [133.0, 59.75], [132.75, 59.85], [132.68, 59.82], [132.53, 59.47], [132.0, 59.25], [131.47, 59.47], [131.32, 59.82], [131.25, 59.85], [131.0, 59.75], [130.75, 59.85], [130.68, 59.82], [130.65, 59.75], [130.75, 59.5], [130.53, 58.97], [130.0, 58.75], [129.75, 58.85], [129.5, 58.75], [128.97, 58.97], [128.82, 59.32], [128.75, 59.35], [128.5, 59.25], [127.97, 59.47], [127.75, 60.0], [127.97, 60.53], [128.32, 60.68], [128.35, 60.75]]]]}, "2024-10-03T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.35, 60.75], [128.32, 60.82], [127.97, 60.97], [127.75, 61.5], [127.97, 62.03], [128.5, 62.25], [128.75, 62.15], [128.82, 62.18], [128.97, 62.53], [129.5, 62.75], [129.75, 62.65], [130.0, 62.75], [130.25, 62.65], [130.5, 62.75], [130.75, 62.65], [131.0, 62.75], [131.25, 62.65], [131.32, 62.68], [131.47, 63.03], [132.0, 63.25], [132.53, 63.03], [132.68, 62.68], [132.75, 62.65], [132.82, 62.68], [132.97, 63.03], [133.5, 63.25], [133.75, 63.15], [134.0, 63.25], [134.25, 63.15], [134.5, 63.25], [134.75, 63.15], [135.0, 63.25], [135.53, 63.03], [135.68, 62.68], [135.75, 62.65], [135.82, 62.68], [135.97, 63.03], [136.5, 63.25], [137.03, 63.03], [137.18, 62.68], [137.53, 62.53], [137.75, 62.0], [137.65, 61.75], [137.75, 61.5], [137.53, 60.97], [137.0, 60.75], [136.75, 60.85], [136.5, 60.75], [136.25, 60.85], [136.18, 60.82], [136.15, 60.75], [136.25, 60.5], [136.03, 59.97], [135.5, 59.75], [135.0, 59.96], [134.5, 59.75], [134.25, 59.85], [134.0, 59.75], [133.75, 59.85], [133.5, 59.75], [133.25, 59.85], [133.0, 59.75], [132.75, 59.85], [132.68, 59.82], [132.53, 59.47], [132.0, 59.25], [131.47, 59.47], [131.32, 59.82], [131.25, 59.85], [131.0, 59.75], [130.75, 59.85], [130.68, 59.82], [130.65, 59.75], [130.75, 59.5], [130.53, 58.97], [130.0, 58.75], [129.75, 58.85], [129.5, 58.75], [128.97, 58.97], [128.82, 59.32], [128.75, 59.35], [128.5, 59.25], [127.97, 59.47], [127.75, 60.0], [127.97, 60.53], [128.32, 60.68], [128.35, 60.75]]]]}, "2024-10-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[128.35, 60.75], [128.32, 60.82], [127.97, 60.97], [127.75, 61.5], [127.97, 62.03], [128.5, 62.25], [128.75, 62.15], [128.82, 62.18], [128.97, 62.53], [129.5, 62.75], [129.75, 62.65], [130.0, 62.75], [130.25, 62.65], [130.5, 62.75], [130.75, 62.65], [131.0, 62.75], [131.25, 62.65], [131.32, 62.68], [131.47, 63.03], [132.0, 63.25], [132.53, 63.03], [132.68, 62.68], [132.75, 62.65], [132.82, 62.68], [132.97, 63.03], [133.5, 63.25], [133.75, 63.15], [134.0, 63.25], [134.25, 63.15], [134.5, 63.25], [134.75, 63.15], [135.0, 63.25], [135.53, 63.03], [135.68, 62.68], [135.75, 62.65], [135.82, 62.68], [135.97, 63.03], [136.5, 63.25], [137.03, 63.03], [137.18, 62.68], [137.53, 62.53], [137.75, 62.0], [137.65, 61.75], [137.75, 61.5], [137.53, 60.97], [137.0, 60.75], [136.75, 60.85], [136.5, 60.75], [136.25, 60.85], [136.18, 60.82], [136.15, 60.75], [136.25, 60.5], [136.03, 59.97], [135.5, 59.75], [135.0, 59.96], [134.5, 59.75], [134.25, 59.85], [134.0, 59.75], [133.75, 59.85], [133.5, 59.75], [133.25, 59.85], [133.0, 59.75], [132.75, 59.85], [132.68, 59.82], [132.53, 59.47], [132.0, 59.25], [131.47, 59.47], [131.32, 59.82], [131.25, 59.85], [131.0, 59.75], [130.75, 59.85], [130.68, 59.82], [130.65, 59.75], [130.75, 59.5], [130.53, 58.97], [130.0, 58.75], [129.75, 58.85], [129.5, 58.75], [128.97, 58.97], [128.82, 59.32], [128.75, 59.35], [128.5, 59.25], [127.97, 59.47], [127.75, 60.0], [127.97, 60.53], [128.32, 60.68], [128.35, 60.75]]]]}, "2024-10-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.5, 61.75], [132.97, 61.97], [132.75, 62.5], [132.97, 63.03], [133.5, 63.25], [133.75, 63.15], [134.0, 63.25], [134.25, 63.15], [134.5, 63.25], [134.75, 63.15], [135.0, 63.25], [135.53, 63.03], [135.75, 62.5], [135.57, 62.07], [136.0, 62.25], [136.25, 62.15], [136.32, 62.18], [136.47, 62.53], [137.0, 62.75], [137.53, 62.53], [137.75, 62.0], [137.65, 61.75], [137.75, 61.5], [137.53, 60.97], [137.0, 60.75], [136.75, 60.85], [136.5, 60.75], [136.25, 60.85], [136.0, 60.75], [135.47, 60.97], [135.25, 61.5], [135.43, 61.93], [135.0, 61.75], [134.75, 61.85], [134.5, 61.75], [134.25, 61.85], [134.0, 61.75], [133.75, 61.85], [133.5, 61.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 5.151697725945155}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 4.191891857067228}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [3.275899290702739, 2.586633885014237, 2.3486863694748763, 0.3709108988443859]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [4.488520558675134, 3.5447186787923215, 3.4511759440104584, 1.2450970967610715]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.400463110528346, 4.083221937574163, 4.136119000525238, 3.8619176609241066]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.151697725945155, 4.636055146728609, 4.870075597289144, 4.703709839617545]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4699003340466794, 1.3546800836692747, 1.3748735126714065, 1.2246455915392418]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.6903640143208796, 1.5045828398702996, 1.633981113248411, 1.2755695115685253]}}