{"version_information": {"version": "det_AHW_tail10.0_v1.2", "compiled_date": "2026-06-27 18:32:56.494799", "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-Oct-24_to_2022-Nov-02_135.5_57.5"}, "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": 2022100002383}, "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 24 2022"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "November 02 2022"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 10}, "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": 50026.179487279274}, "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-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": 57.5}, "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": 135.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "135.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 132.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 55.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 58.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2022-10-24T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, 58.53], [135.5, 58.75], [136.03, 58.53], [136.25, 58.0], [136.15, 57.75], [136.25, 57.5], [136.03, 56.97], [135.5, 56.75], [134.97, 56.97], [134.75, 57.5], [134.85, 57.75], [134.75, 58.0], [134.97, 58.53]]]]}, "2022-10-25T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, 58.53], [135.5, 58.75], [135.75, 58.65], [136.0, 58.75], [136.53, 58.53], [136.75, 58.0], [136.53, 57.47], [136.18, 57.32], [136.03, 56.97], [135.5, 56.75], [134.97, 56.97], [134.75, 57.5], [134.85, 57.75], [134.75, 58.0], [134.97, 58.53]]]]}, "2022-10-26T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, 58.53], [135.5, 58.75], [135.75, 58.65], [136.0, 58.75], [136.53, 58.53], [136.75, 58.0], [136.53, 57.47], [136.18, 57.32], [136.03, 56.97], [135.5, 56.75], [134.97, 56.97], [134.75, 57.5], [134.85, 57.75], [134.75, 58.0], [134.97, 58.53]]]]}, "2022-10-27T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[134.97, 58.53], [135.5, 58.75], [135.75, 58.65], [136.0, 58.75], [136.53, 58.53], [136.75, 58.0], [136.53, 57.47], [136.18, 57.32], [136.03, 56.97], [135.5, 56.75], [134.97, 56.97], [134.75, 57.5], [134.85, 57.75], [134.75, 58.0], [134.97, 58.53]]]]}, "2022-10-28T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, 56.47], [132.75, 57.0], [132.97, 57.53], [133.5, 57.75], [133.75, 57.65], [134.0, 57.75], [134.25, 57.65], [134.5, 57.75], [134.75, 57.65], [134.82, 57.68], [134.85, 57.75], [134.75, 58.0], [134.97, 58.53], [135.5, 58.75], [135.75, 58.65], [136.0, 58.75], [136.53, 58.53], [136.75, 58.0], [136.53, 57.47], [136.18, 57.32], [136.03, 56.97], [135.68, 56.82], [135.53, 56.47], [135.0, 56.25], [134.75, 56.35], [134.5, 56.25], [134.25, 56.35], [134.0, 56.25], [133.75, 56.35], [133.5, 56.25], [132.97, 56.47]]]]}, "2022-10-29T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.97, 56.47], [132.75, 57.0], [132.97, 57.53], [133.5, 57.75], [133.75, 57.65], [134.0, 57.75], [134.25, 57.65], [134.5, 57.75], [134.75, 57.65], [134.82, 57.68], [134.85, 57.75], [134.75, 58.0], [134.97, 58.53], [135.5, 58.75], [136.03, 58.53], [136.25, 58.0], [136.15, 57.75], [136.25, 57.5], [136.03, 56.97], [135.68, 56.82], [135.53, 56.47], [135.0, 56.25], [134.75, 56.35], [134.5, 56.25], [134.25, 56.35], [134.0, 56.25], [133.75, 56.35], [133.5, 56.25], [132.97, 56.47]]]]}, "2022-10-30T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.47, 58.03], [133.0, 58.25], [133.53, 58.03], [133.68, 57.68], [133.75, 57.65], [133.82, 57.68], [133.97, 58.03], [134.5, 58.25], [135.03, 58.03], [135.18, 57.68], [135.25, 57.65], [135.5, 57.75], [136.03, 57.53], [136.25, 57.0], [136.15, 56.75], [136.25, 56.5], [136.15, 56.25], [136.25, 56.0], [136.03, 55.47], [135.5, 55.25], [134.97, 55.47], [134.75, 56.0], [134.85, 56.25], [134.82, 56.32], [134.75, 56.35], [134.68, 56.32], [134.53, 55.97], [134.0, 55.75], [133.47, 55.97], [133.32, 56.32], [133.25, 56.35], [133.0, 56.25], [132.47, 56.47], [132.25, 57.0], [132.35, 57.25], [132.25, 57.5], [132.47, 58.03]]]]}, "2022-10-31T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.47, 58.03], [133.0, 58.25], [133.53, 58.03], [133.68, 57.68], [133.75, 57.65], [133.82, 57.68], [133.97, 58.03], [134.5, 58.25], [135.03, 58.03], [135.18, 57.68], [135.25, 57.65], [135.32, 57.68], [135.47, 58.03], [135.82, 58.18], [135.85, 58.25], [135.75, 58.5], [135.97, 59.03], [136.5, 59.25], [136.75, 59.15], [137.0, 59.25], [137.5, 59.04], [138.0, 59.25], [138.53, 59.03], [138.75, 58.5], [138.65, 58.25], [138.75, 58.0], [138.53, 57.47], [138.18, 57.32], [138.15, 57.25], [138.25, 57.0], [138.03, 56.47], [137.68, 56.32], [137.65, 56.25], [137.75, 56.0], [137.53, 55.47], [137.0, 55.25], [136.47, 55.47], [136.25, 56.0], [136.03, 55.47], [135.5, 55.25], [134.97, 55.47], [134.75, 56.0], [134.85, 56.25], [134.82, 56.32], [134.75, 56.35], [134.68, 56.32], [134.53, 55.97], [134.0, 55.75], [133.47, 55.97], [133.32, 56.32], [133.25, 56.35], [133.0, 56.25], [132.47, 56.47], [132.25, 57.0], [132.35, 57.25], [132.25, 57.5], [132.47, 58.03]], [[136.35, 56.25], [136.32, 56.32], [136.2, 56.38], [136.15, 56.25], [136.25, 56.0], [136.35, 56.25]]]]}, "2022-11-01T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[132.47, 58.03], [133.0, 58.25], [133.53, 58.03], [133.68, 57.68], [133.75, 57.65], [133.82, 57.68], [133.97, 58.03], [134.5, 58.25], [135.03, 58.03], [135.18, 57.68], [135.25, 57.65], [135.32, 57.68], [135.47, 58.03], [135.82, 58.18], [135.85, 58.25], [135.75, 58.5], [135.97, 59.03], [136.5, 59.25], [136.75, 59.15], [137.0, 59.25], [137.5, 59.04], [138.0, 59.25], [138.53, 59.03], [138.75, 58.5], [138.65, 58.25], [138.75, 58.0], [138.53, 57.47], [138.18, 57.32], [138.15, 57.25], [138.25, 57.0], [138.03, 56.47], [137.68, 56.32], [137.65, 56.25], [137.75, 56.0], [137.53, 55.47], [137.0, 55.25], [136.47, 55.47], [136.25, 56.0], [136.03, 55.47], [135.5, 55.25], [134.97, 55.47], [134.75, 56.0], [134.85, 56.25], [134.82, 56.32], [134.75, 56.35], [134.68, 56.32], [134.53, 55.97], [134.0, 55.75], [133.47, 55.97], [133.32, 56.32], [133.25, 56.35], [133.0, 56.25], [132.47, 56.47], [132.25, 57.0], [132.35, 57.25], [132.25, 57.5], [132.47, 58.03]], [[136.35, 56.25], [136.32, 56.32], [136.2, 56.38], [136.15, 56.25], [136.25, 56.0], [136.35, 56.25]]]]}, "2022-11-02T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[135.25, 57.5], [135.47, 58.03], [135.82, 58.18], [135.85, 58.25], [135.75, 58.5], [135.97, 59.03], [136.5, 59.25], [136.75, 59.15], [137.0, 59.25], [137.5, 59.04], [138.0, 59.25], [138.53, 59.03], [138.75, 58.5], [138.65, 58.25], [138.75, 58.0], [138.53, 57.47], [138.18, 57.32], [138.15, 57.25], [138.25, 57.0], [138.03, 56.47], [137.68, 56.32], [137.65, 56.25], [137.75, 56.0], [137.53, 55.47], [137.0, 55.25], [136.47, 55.47], [136.25, 56.0], [136.35, 56.25], [136.32, 56.32], [135.97, 56.47], [135.82, 56.82], [135.47, 56.97], [135.25, 57.5]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 12.164749409221713}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 9.391965219002268}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [-2.1566146705060874, -1.6312524152880883, -2.629387554061452, -2.426597065547469, -2.7934030521257114, -4.633212175901349, -5.057103263804095, -4.528895299885278, -3.6609799225378765, -5.406427474462419]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [-1.7520206932350106, -1.15450622501902, -2.4770858992657736, -2.3855226910487772, -1.750122616779322, -3.9893213729540093, -4.077771735783983, -2.04303377540424, -0.8813259061248004, -2.455515755988529]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [7.189825499959369, 8.238605846367667, 7.8078794108020775, 8.715367209847821, 9.188594334519832, 7.9920734537631875, 8.05497029260771, 9.28828313187011, 10.757567985034711, 9.710992822183336]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [7.375141859629878, 8.50389968517294, 7.905495365904244, 8.926258414286735, 10.23823088194223, 8.23101762804589, 8.816037335898216, 10.443317482827922, 12.164749409221713, 10.819924108945031]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.5373573878259839, 1.6684830019253745, 1.5304138957767162, 1.657929435142132, 1.7558182600240635, 1.5078396328120196, 1.5125104342167277, 1.6172759208612206, 1.8256767810643406, 1.5505893821469325]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.5855419851109054, 1.738878053523658, 1.5452427200682284, 1.6975562096482322, 1.914350103146, 1.550336755689586, 1.7112515089872422, 1.92482989482263, 2.0148294835304914, 1.6708534788738005]}}