{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 09:07:41.675666", "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": "2017-Apr-04_to_2017-Apr-06_134.5_46.5"}, "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": 2017040001340}, "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": "April 04 2017"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "April 06 2017"}, "duration": {"name": "Duration", "description": "Time elapsed (days) from the start date to the end date", "value": 3}, "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": 65344.496631110786}, "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": 46.5}, "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": 134.5}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "134.5\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 133.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 138.75}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 45.25}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 48.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2017-04-04T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.47, 47.03], [133.82, 47.18], [133.97, 47.53], [134.32, 47.68], [134.47, 48.03], [135.0, 48.25], [135.25, 48.15], [135.32, 48.18], [135.47, 48.53], [136.0, 48.75], [136.25, 48.65], [136.5, 48.75], [136.75, 48.65], [137.0, 48.75], [137.25, 48.65], [137.5, 48.75], [137.75, 48.65], [137.82, 48.68], [137.97, 49.03], [138.5, 49.25], [139.03, 49.03], [139.25, 48.5], [139.15, 48.25], [139.25, 48.0], [139.03, 47.47], [138.68, 47.32], [138.65, 47.25], [138.75, 47.0], [138.53, 46.47], [138.0, 46.25], [137.5, 46.46], [137.13, 46.3], [137.25, 46.0], [137.03, 45.47], [136.68, 45.32], [136.53, 44.97], [136.0, 44.75], [135.75, 44.85], [135.5, 44.75], [135.0, 44.96], [134.5, 44.75], [133.97, 44.97], [133.82, 45.32], [133.47, 45.47], [133.25, 46.0], [133.35, 46.25], [133.25, 46.5], [133.47, 47.03]]]]}, "2017-04-05T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.47, 47.03], [133.82, 47.18], [133.97, 47.53], [134.32, 47.68], [134.47, 48.03], [135.0, 48.25], [135.25, 48.15], [135.32, 48.18], [135.47, 48.53], [136.0, 48.75], [136.25, 48.65], [136.5, 48.75], [136.75, 48.65], [137.0, 48.75], [137.25, 48.65], [137.5, 48.75], [137.75, 48.65], [137.82, 48.68], [137.97, 49.03], [138.5, 49.25], [139.03, 49.03], [139.25, 48.5], [139.15, 48.25], [139.25, 48.0], [139.03, 47.47], [138.68, 47.32], [138.65, 47.25], [138.75, 47.0], [138.53, 46.47], [138.0, 46.25], [137.5, 46.46], [137.13, 46.3], [137.25, 46.0], [137.03, 45.47], [136.68, 45.32], [136.53, 44.97], [136.0, 44.75], [135.75, 44.85], [135.5, 44.75], [135.0, 44.96], [134.5, 44.75], [133.97, 44.97], [133.82, 45.32], [133.47, 45.47], [133.25, 46.0], [133.35, 46.25], [133.25, 46.5], [133.47, 47.03]]]]}, "2017-04-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[133.47, 47.03], [133.82, 47.18], [133.97, 47.53], [134.32, 47.68], [134.47, 48.03], [135.0, 48.25], [135.25, 48.15], [135.32, 48.18], [135.47, 48.53], [136.0, 48.75], [136.25, 48.65], [136.5, 48.75], [136.75, 48.65], [137.0, 48.75], [137.25, 48.65], [137.5, 48.75], [137.75, 48.65], [137.82, 48.68], [137.97, 49.03], [138.5, 49.25], [139.03, 49.03], [139.25, 48.5], [139.15, 48.25], [139.25, 48.0], [139.03, 47.47], [138.68, 47.32], [138.65, 47.25], [138.75, 47.0], [138.53, 46.47], [138.0, 46.25], [137.5, 46.46], [137.13, 46.3], [137.25, 46.0], [137.03, 45.47], [136.68, 45.32], [136.53, 44.97], [136.0, 44.75], [135.75, 44.85], [135.5, 44.75], [135.0, 44.96], [134.5, 44.75], [133.97, 44.97], [133.82, 45.32], [133.47, 45.47], [133.25, 46.0], [133.35, 46.25], [133.25, 46.5], [133.47, 47.03]]]]}}}, "max_amp": {"name": "Maximum anomaly amplitude", "description": "Maximum t2m anomaly recorded over entire duration", "value": 9.651139979727361}, "mean_amp": {"name": "Mean anomaly amplitude", "description": "Mean t2m anomaly over entire duration", "value": 6.653090455304859}, "evo_areamean": {"name": "Evolution of mean t2m", "description": "The daily evolution of mean t2m.", "value": [5.657172538488453, 7.5913693284600186, 5.461527737219626]}, "evo_maxamp": {"name": "Evolution of maximum t2m", "description": "The daily evolution of maximum t2m.", "value": [9.633564336407915, 12.564707819605303, 8.694930399993439]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [6.369498883262919, 8.064768226572554, 5.525004256079111]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [8.312351672095588, 9.651139979727361, 6.379355416690089]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6668980315382689, 2.156900759728711, 1.542665277702915]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.088133768339289, 2.735467686730437, 1.7867838087897165]}}