{"version_information": {"version": "det_AHW_tail10.0_v1.1", "compiled_date": "2026-07-16 08:51:13.435126", "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": "2012-Aug-06_to_2012-Aug-08_132.0_51.5"}, "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": 2012080001877}, "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": "August 06 2012"}, "end_date": {"name": "End date", "description": "Last date on which grid points are under the influence of an event", "value": "August 08 2012"}, "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": 132016.39688741762}, "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": ["E.Siberia", "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": 51.5}, "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": 132.0}, "center_latf": {"name": "Center latitude", "description": "Formatted version of center longitude", "value": "132.0\u00b0E"}, "western_lon": {"name": "Westernmost longitude", "description": "Westernmost longitude affected by event", "value": 128.75}, "eastern_lon": {"name": "Easternmost longitude", "description": "Easternmost longitude affected by event", "value": 135.25}, "southern_lat": {"name": "Southernmost latitude", "description": "Southernmost latitude affected by event", "value": 47.75}, "northern_lat": {"name": "Northernmost latitude", "description": "Northernmost latitude affected by event", "value": 52.75}, "polygons": {"name": "Polygons", "description": "Polygon vertices describing the boundary of the event at each time step", "value": {"2012-08-06T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.32, 49.18], [129.35, 49.25], [129.25, 49.5], [129.35, 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48.53], [128.82, 48.68], [128.97, 49.03], [129.32, 49.18]]]]}, "2012-08-07T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.32, 49.18], [129.35, 49.25], [129.25, 49.5], [129.35, 49.75], [129.25, 50.0], [129.47, 50.53], [129.82, 50.68], [129.97, 51.03], [130.32, 51.18], [130.35, 51.25], [130.25, 51.5], [130.47, 52.03], [130.82, 52.18], [130.97, 52.53], [131.32, 52.68], [131.47, 53.03], [132.0, 53.25], [132.25, 53.15], [132.5, 53.25], [132.75, 53.15], [133.0, 53.25], [133.25, 53.15], [133.5, 53.25], [133.75, 53.15], [134.0, 53.25], [134.53, 53.03], [134.75, 52.5], [134.65, 52.25], [134.75, 52.0], [134.65, 51.75], [134.75, 51.5], [134.65, 51.25], [134.68, 51.18], [134.75, 51.15], [135.0, 51.25], [135.53, 51.03], [135.75, 50.5], [135.53, 49.97], [135.18, 49.82], [135.15, 49.75], [135.25, 49.5], [135.03, 48.97], [134.5, 48.75], [134.25, 48.85], [134.0, 48.75], [133.75, 48.85], [133.68, 48.82], [133.53, 48.47], [133.0, 48.25], [132.5, 48.46], [132.18, 48.32], [132.03, 47.97], [131.5, 47.75], [131.0, 47.96], [130.5, 47.75], [130.25, 47.85], [130.18, 47.82], [130.03, 47.47], [129.5, 47.25], [129.25, 47.35], [129.0, 47.25], [128.47, 47.47], [128.25, 48.0], [128.47, 48.53], [128.82, 48.68], [128.97, 49.03], [129.32, 49.18]]]]}, "2012-08-08T11:30:00.000000000": {"type": "MultiPolygon", "coordinates": [[[[129.32, 49.18], [129.35, 49.25], [129.25, 49.5], [129.35, 49.75], [129.25, 50.0], [129.47, 50.53], [129.82, 50.68], [129.97, 51.03], [130.32, 51.18], [130.35, 51.25], [130.25, 51.5], [130.47, 52.03], [130.82, 52.18], [130.97, 52.53], [131.32, 52.68], [131.47, 53.03], [132.0, 53.25], [132.25, 53.15], [132.5, 53.25], [132.75, 53.15], [133.0, 53.25], [133.25, 53.15], [133.5, 53.25], [133.75, 53.15], [134.0, 53.25], [134.53, 53.03], [134.75, 52.5], [134.65, 52.25], [134.75, 52.0], [134.65, 51.75], [134.75, 51.5], [134.65, 51.25], [134.68, 51.18], [134.75, 51.15], [135.0, 51.25], [135.53, 51.03], [135.75, 50.5], [135.53, 49.97], [135.18, 49.82], [135.15, 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of maximum t2m.", "value": [25.749016307852855, 26.680734992288137, 25.709642038083473]}, "anom_evo_areamean": {"name": "Evolution of mean t2m anomalies", "description": "The daily evolution of mean t2m anomalies.", "value": [4.029473253997448, 5.19462066612097, 4.429151604976634]}, "anom_evo_maxamp": {"name": "Evolution of maximum t2m anomalies", "description": "The daily evolution of maximum t2m anomalies.", "value": [5.3336093272903895, 5.998183182583489, 5.615567015433953]}, "anom_scaled_evo_areamean": {"name": "Evolution of mean standardized t2m anomalies", "description": "The daily evolution of mean standardized t2m anomalies.", "value": [1.6262382065219139, 2.1437325094016115, 1.8055394030045757]}, "anom_scaled_evo_maxamp": {"name": "Evolution of maximum standardized t2m anomalies", "description": "The daily evolution of maximum standardized t2m anomalies.", "value": [2.145105927222775, 2.5246187375749365, 2.301693352528238]}}