{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:20:24.364066", "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": "2020-Jun-06_to_2020-Jun-09_153.0_64.0"}, "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": 2020060001543}, "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 06 2020"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "June 09 2020"}, "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": 76878.37913059516}, "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"]}, "IPCC_regions": {"name": "IPCC regions", "description": "List of all IPCC regions affected", "value": ["Russian-Arctic", "Russian-Far-East"]}, "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": 64.0}, "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": 153.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "153.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 148.25}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 155.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 62.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 69.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2020-06-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[151.47, 63.47], [151.25, 64.0], [151.47, 64.53], [152.0, 64.75], [152.25, 64.65], [152.32, 64.68], [152.47, 65.03], [153.0, 65.25], [153.25, 65.15], [153.5, 65.25], [154.03, 65.03], [154.18, 64.68], [154.25, 64.65], [154.5, 64.75], [155.03, 64.53], [155.25, 64.0], [155.03, 63.47], [154.68, 63.32], [154.65, 63.25], [154.75, 63.0], [154.53, 62.47], [154.0, 62.25], [153.47, 62.47], [153.25, 63.0], [153.35, 63.25], [153.32, 63.32], [153.25, 63.35], [153.0, 63.25], [152.75, 63.35], [152.5, 63.25], [152.25, 63.35], [152.0, 63.25], [151.47, 63.47]]]]}, "2020-06-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.0, 68.75], [149.25, 68.65], [149.5, 68.75], [149.75, 68.65], [150.0, 68.75], [150.25, 68.65], [150.32, 68.68], [150.47, 69.03], [151.0, 69.25], [151.25, 69.15], [151.5, 69.25], [151.75, 69.15], [152.0, 69.25], [152.25, 69.15], [152.5, 69.25], [152.75, 69.15], [152.82, 69.18], [152.97, 69.53], [153.5, 69.75], [153.75, 69.65], [154.0, 69.75], [154.25, 69.65], [154.5, 69.75], [155.03, 69.53], [155.18, 69.18], [155.53, 69.03], [155.75, 68.5], [155.53, 67.97], [155.0, 67.75], [154.75, 67.85], [154.5, 67.75], [154.25, 67.85], [154.0, 67.75], [153.75, 67.85], [153.68, 67.82], [153.53, 67.47], [153.18, 67.32], [153.15, 67.25], [153.25, 67.0], [153.15, 66.75], [153.25, 66.5], [153.13, 66.2], [153.53, 66.03], [153.75, 65.5], [153.65, 65.25], [153.68, 65.18], [154.03, 65.03], [154.18, 64.68], [154.25, 64.65], [154.5, 64.75], [155.03, 64.53], [155.25, 64.0], [155.03, 63.47], [154.68, 63.32], [154.65, 63.25], [154.75, 63.0], [154.53, 62.47], [154.0, 62.25], [153.47, 62.47], [153.25, 63.0], [153.35, 63.25], [153.32, 63.32], [153.25, 63.35], [153.0, 63.25], [152.75, 63.35], [152.5, 63.25], [152.25, 63.35], [152.0, 63.25], [151.47, 63.47], [151.25, 64.0], [151.46, 64.5], [151.32, 64.82], [151.25, 64.85], [151.0, 64.75], [150.47, 64.97], [150.25, 65.5], [150.35, 65.75], [150.32, 65.82], [149.97, 65.97], [149.82, 66.32], [149.75, 66.35], [149.5, 66.25], [148.97, 66.47], [148.82, 66.82], [148.75, 66.85], [148.5, 66.75], [147.97, 66.97], [147.75, 67.5], [147.97, 68.03], [148.32, 68.18], [148.47, 68.53], [149.0, 68.75]]]]}, "2020-06-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.0, 68.75], [149.25, 68.65], [149.5, 68.75], [149.75, 68.65], [150.0, 68.75], [150.25, 68.65], [150.32, 68.68], [150.47, 69.03], [151.0, 69.25], [151.25, 69.15], [151.5, 69.25], [151.75, 69.15], [152.0, 69.25], [152.25, 69.15], [152.5, 69.25], [152.75, 69.15], [152.82, 69.18], [152.97, 69.53], [153.5, 69.75], [153.75, 69.65], [154.0, 69.75], [154.25, 69.65], [154.5, 69.75], [155.03, 69.53], [155.18, 69.18], [155.53, 69.03], [155.75, 68.5], [155.53, 67.97], [155.0, 67.75], [154.75, 67.85], [154.5, 67.75], [154.25, 67.85], [154.0, 67.75], [153.75, 67.85], [153.68, 67.82], [153.53, 67.47], [153.18, 67.32], [153.15, 67.25], [153.25, 67.0], [153.15, 66.75], [153.25, 66.5], [153.13, 66.2], [153.53, 66.03], [153.75, 65.5], [153.65, 65.25], [153.68, 65.18], [154.03, 65.03], [154.18, 64.68], [154.25, 64.65], [154.5, 64.75], [155.03, 64.53], [155.25, 64.0], [155.03, 63.47], [154.68, 63.32], [154.65, 63.25], [154.75, 63.0], [154.53, 62.47], [154.0, 62.25], [153.47, 62.47], [153.25, 63.0], [153.35, 63.25], [153.32, 63.32], [153.25, 63.35], [153.0, 63.25], [152.75, 63.35], [152.5, 63.25], [152.25, 63.35], [152.0, 63.25], [151.47, 63.47], [151.25, 64.0], [151.46, 64.5], [151.32, 64.82], [151.25, 64.85], [151.0, 64.75], [150.47, 64.97], [150.25, 65.5], [150.35, 65.75], [150.32, 65.82], [149.97, 65.97], [149.82, 66.32], [149.75, 66.35], [149.5, 66.25], [148.97, 66.47], [148.82, 66.82], [148.75, 66.85], [148.5, 66.75], [147.97, 66.97], [147.75, 67.5], [147.97, 68.03], [148.32, 68.18], [148.47, 68.53], [149.0, 68.75]]]]}, "2020-06-09T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[149.0, 68.75], [149.25, 68.65], [149.5, 68.75], [149.75, 68.65], [150.0, 68.75], [150.25, 68.65], [150.32, 68.68], [150.47, 69.03], [151.0, 69.25], [151.25, 69.15], [151.5, 69.25], [151.75, 69.15], [152.0, 69.25], [152.25, 69.15], [152.5, 69.25], [152.75, 69.15], [152.82, 69.18], [152.97, 69.53], [153.5, 69.75], [153.75, 69.65], [154.0, 69.75], [154.25, 69.65], [154.5, 69.75], [155.03, 69.53], [155.18, 69.18], [155.53, 69.03], [155.75, 68.5], [155.53, 67.97], [155.0, 67.75], [154.75, 67.85], [154.5, 67.75], [154.25, 67.85], [154.0, 67.75], [153.75, 67.85], [153.68, 67.82], [153.53, 67.47], [153.18, 67.32], [153.15, 67.25], [153.25, 67.0], [153.15, 66.75], [153.25, 66.5], [153.13, 66.2], [153.53, 66.03], [153.75, 65.5], [153.65, 65.25], [153.68, 65.18], [154.03, 65.03], [154.18, 64.68], [154.25, 64.65], [154.5, 64.75], [155.03, 64.53], [155.25, 64.0], [155.03, 63.47], [154.5, 63.25], [154.25, 63.35], [154.0, 63.25], [153.75, 63.35], [153.5, 63.25], [153.25, 63.35], [153.0, 63.25], [152.75, 63.35], [152.5, 63.25], [152.25, 63.35], [152.0, 63.25], [151.47, 63.47], [151.25, 64.0], [151.46, 64.5], [151.32, 64.82], [151.25, 64.85], [151.0, 64.75], [150.47, 64.97], [150.25, 65.5], [150.35, 65.75], [150.32, 65.82], [149.97, 65.97], [149.82, 66.32], [149.75, 66.35], [149.5, 66.25], [148.97, 66.47], [148.82, 66.82], [148.75, 66.85], [148.5, 66.75], [147.97, 66.97], [147.75, 67.5], [147.97, 68.03], [148.32, 68.18], [148.47, 68.53], [149.0, 68.75]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 11.62908143766657}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 7.878877224962824}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [17.867867705769413, 17.481098068768404, 20.217422531878753, 18.547097545274823]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [18.636725711209863, 19.14956675325999, 22.45381595384032, 21.343951747162635]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.931296021371002, 7.00128975279965, 9.425302296841688, 7.507386130763321]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [6.355505758597019, 9.005794675785694, 11.62908143766657, 9.209305364243505]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4765376261508654, 1.5142159372137263, 2.0317817643849962, 1.6172613571933203]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.625539526334025, 1.8813465414326151, 2.464838355759625, 1.9283226383861696]}}