{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:53:27.068461", "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": "2013-May-16_to_2013-May-19_130.0_49.0"}, "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": 2013050002225}, "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": "May 16 2013"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "May 19 2013"}, "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": 68962.17652333996}, "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": ["China", "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": 49.0}, "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": 130.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "130.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 129.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 133.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 51.25}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2013-05-16T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.25, 49.0], [129.47, 49.53], [130.0, 49.75], [130.53, 49.53], [130.68, 49.18], [130.8, 49.13], [130.97, 49.53], [131.5, 49.75], [132.03, 49.53], [132.18, 49.18], [132.25, 49.15], [132.5, 49.25], [132.75, 49.15], [133.0, 49.25], [133.25, 49.15], [133.5, 49.25], [134.03, 49.03], [134.25, 48.5], [134.03, 47.97], [133.68, 47.82], [133.53, 47.47], [133.18, 47.32], [133.03, 46.97], [132.5, 46.75], [132.25, 46.85], [132.0, 46.75], [131.47, 46.97], [131.32, 47.32], [130.97, 47.47], [130.8, 47.88], [130.5, 47.75], [129.97, 47.97], [129.82, 48.32], [129.47, 48.47], [129.25, 49.0]]]]}, "2013-05-17T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, 49.53], [129.82, 49.68], [129.85, 49.75], [129.82, 49.82], [129.47, 49.97], [129.25, 50.5], [129.47, 51.03], [130.0, 51.25], [130.25, 51.15], [130.32, 51.18], [130.47, 51.53], [131.0, 51.75], [131.53, 51.53], [131.75, 51.0], [131.63, 50.7], [131.75, 50.65], [132.0, 50.75], [132.53, 50.53], [132.68, 50.18], [133.03, 50.03], [133.18, 49.68], [133.53, 49.53], [133.68, 49.18], [134.03, 49.03], [134.25, 48.5], [134.03, 47.97], [133.68, 47.82], [133.53, 47.47], [133.18, 47.32], [133.03, 46.97], [132.5, 46.75], [132.25, 46.85], [132.0, 46.75], [131.47, 46.97], [131.32, 47.32], [131.25, 47.35], [131.0, 47.25], [130.47, 47.47], [130.32, 47.82], [130.25, 47.85], [130.0, 47.75], [129.47, 47.97], [129.25, 48.5], [129.35, 48.75], [129.25, 49.0], [129.47, 49.53]]]]}, "2013-05-18T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, 49.53], [129.82, 49.68], [129.85, 49.75], [129.82, 49.82], [129.47, 49.97], [129.25, 50.5], [129.47, 51.03], [130.0, 51.25], [130.25, 51.15], [130.32, 51.18], [130.47, 51.53], [131.0, 51.75], [131.53, 51.53], [131.75, 51.0], [131.63, 50.7], [131.75, 50.65], [132.0, 50.75], [132.53, 50.53], [132.68, 50.18], [133.03, 50.03], [133.18, 49.68], [133.53, 49.53], [133.68, 49.18], [134.03, 49.03], [134.25, 48.5], [134.03, 47.97], [133.68, 47.82], [133.53, 47.47], [133.18, 47.32], [133.03, 46.97], [132.5, 46.75], [132.25, 46.85], [132.0, 46.75], [131.47, 46.97], [131.32, 47.32], [131.25, 47.35], [131.0, 47.25], [130.47, 47.47], [130.32, 47.82], [130.25, 47.85], [130.0, 47.75], [129.47, 47.97], [129.25, 48.5], [129.35, 48.75], [129.25, 49.0], [129.47, 49.53]]]]}, "2013-05-19T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.47, 49.53], [129.82, 49.68], [129.85, 49.75], [129.82, 49.82], [129.47, 49.97], [129.25, 50.5], [129.47, 51.03], [130.0, 51.25], [130.25, 51.15], [130.32, 51.18], [130.47, 51.53], [131.0, 51.75], [131.53, 51.53], [131.75, 51.0], [131.63, 50.7], [131.75, 50.65], [132.0, 50.75], [132.53, 50.53], [132.68, 50.18], [133.03, 50.03], [133.18, 49.68], [133.53, 49.53], [133.68, 49.18], [134.03, 49.03], [134.25, 48.5], [134.03, 47.97], [133.68, 47.82], [133.53, 47.47], [133.0, 47.25], [132.5, 47.46], [132.0, 47.25], [131.75, 47.35], [131.5, 47.25], [131.25, 47.35], [131.0, 47.25], [130.47, 47.47], [130.32, 47.82], [130.25, 47.85], [130.0, 47.75], [129.47, 47.97], [129.25, 48.5], [129.35, 48.75], [129.25, 49.0], [129.47, 49.53]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 6.9115422279233485}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 5.809091719023902}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [19.13670702226159, 19.041951519976806, 19.308112414859124, 19.219433283178375]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [20.0119045886492, 21.208807390601123, 21.310737279958175, 20.850585304736285]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [5.290747039619171, 5.770433905442474, 5.878507404610955, 6.009448424297283]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.76442033469948, 6.211725587395449, 6.9115422279233485, 6.434549765288466]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.4884315207651073, 1.6153124610081493, 1.648489113976455, 1.6739188265265448]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [1.623058877171809, 1.7572176841268403, 1.8784364774497102, 1.8043009204235076]}}